diff --git a/core/debugger/engine_debugger.cpp b/core/debugger/engine_debugger.cpp
index 4bf31aa55fc..5ef802957fa 100644
--- a/core/debugger/engine_debugger.cpp
+++ b/core/debugger/engine_debugger.cpp
@@ -135,7 +135,7 @@ void EngineDebugger::iteration(uint64_t p_frame_ticks, uint64_t p_idle_ticks, ui
 
 void EngineDebugger::initialize(const String &p_uri, bool p_skip_breakpoints, Vector<String> p_breakpoints) {
 	register_uri_handler("tcp://", RemoteDebuggerPeerTCP::create); // TCP is the default protocol. Platforms/modules can add more.
-	if (p_uri.empty()) {
+	if (p_uri.is_empty()) {
 		return;
 	}
 	if (p_uri == "local://") {
diff --git a/core/debugger/local_debugger.cpp b/core/debugger/local_debugger.cpp
index 876be794187..e8401655f1f 100644
--- a/core/debugger/local_debugger.cpp
+++ b/core/debugger/local_debugger.cpp
@@ -117,7 +117,7 @@ struct LocalDebugger::ScriptsProfiler {
 void LocalDebugger::debug(bool p_can_continue, bool p_is_error_breakpoint) {
 	ScriptLanguage *script_lang = script_debugger->get_break_language();
 
-	if (!target_function.empty()) {
+	if (!target_function.is_empty()) {
 		String current_function = script_lang->debug_get_stack_level_function(0);
 		if (current_function != target_function) {
 			script_debugger->set_depth(0);
@@ -259,7 +259,7 @@ void LocalDebugger::debug(bool p_can_continue, bool p_is_error_breakpoint) {
 				String source = breakpoint.first;
 				int linenr = breakpoint.second;
 
-				if (source.empty()) {
+				if (source.is_empty()) {
 					continue;
 				}
 
@@ -285,7 +285,7 @@ void LocalDebugger::debug(bool p_can_continue, bool p_is_error_breakpoint) {
 				String source = breakpoint.first;
 				int linenr = breakpoint.second;
 
-				if (source.empty()) {
+				if (source.is_empty()) {
 					continue;
 				}
 
@@ -323,7 +323,7 @@ void LocalDebugger::print_variables(const List<String> &names, const List<Varian
 	for (const List<String>::Element *E = names.front(); E; E = E->next()) {
 		value = String(V->get());
 
-		if (variable_prefix.empty()) {
+		if (variable_prefix.is_empty()) {
 			print_line(E->get() + ": " + String(V->get()));
 		} else {
 			print_line(E->get() + ":");
@@ -359,7 +359,7 @@ void LocalDebugger::send_message(const String &p_message, const Array &p_args) {
 }
 
 void LocalDebugger::send_error(const String &p_func, const String &p_file, int p_line, const String &p_err, const String &p_descr, ErrorHandlerType p_type) {
-	print_line("ERROR: '" + (p_descr.empty() ? p_err : p_descr) + "'");
+	print_line("ERROR: '" + (p_descr.is_empty() ? p_err : p_descr) + "'");
 }
 
 LocalDebugger::LocalDebugger() {
diff --git a/core/debugger/remote_debugger.cpp b/core/debugger/remote_debugger.cpp
index ff895174972..4e16bb0182c 100644
--- a/core/debugger/remote_debugger.cpp
+++ b/core/debugger/remote_debugger.cpp
@@ -553,7 +553,7 @@ void RemoteDebugger::flush_output() {
 		for (int i = 0; i < output_strings.size(); i++) {
 			const OutputString &output_string = output_strings[i];
 			if (output_string.type == MESSAGE_TYPE_ERROR) {
-				if (!joined_log_strings.empty()) {
+				if (!joined_log_strings.is_empty()) {
 					strings.push_back(String("\n").join(joined_log_strings));
 					types.push_back(MESSAGE_TYPE_LOG);
 					joined_log_strings.clear();
@@ -565,7 +565,7 @@ void RemoteDebugger::flush_output() {
 			}
 		}
 
-		if (!joined_log_strings.empty()) {
+		if (!joined_log_strings.is_empty()) {
 			strings.push_back(String("\n").join(joined_log_strings));
 			types.push_back(MESSAGE_TYPE_LOG);
 		}
diff --git a/core/input/input.cpp b/core/input/input.cpp
index 153656e44a4..c49193562e9 100644
--- a/core/input/input.cpp
+++ b/core/input/input.cpp
@@ -806,7 +806,7 @@ void Input::accumulate_input_event(const Ref<InputEvent> &p_event) {
 		parse_input_event(p_event);
 		return;
 	}
-	if (!accumulated_events.empty() && accumulated_events.back()->get()->accumulate(p_event)) {
+	if (!accumulated_events.is_empty() && accumulated_events.back()->get()->accumulate(p_event)) {
 		return; //event was accumulated, exit
 	}
 
diff --git a/core/input/input_event.cpp b/core/input/input_event.cpp
index 82bfaa82a51..bdfa5dff5f4 100644
--- a/core/input/input_event.cpp
+++ b/core/input/input_event.cpp
@@ -210,7 +210,7 @@ String InputEventWithModifiers::as_text() const {
 		mod_names.push_back(find_keycode_name(KEY_META));
 	}
 
-	if (!mod_names.empty()) {
+	if (!mod_names.is_empty()) {
 		return String("+").join(mod_names);
 	} else {
 		return "";
diff --git a/core/input/input_map.cpp b/core/input/input_map.cpp
index 979809c7afe..45e2ddc71d5 100644
--- a/core/input/input_map.cpp
+++ b/core/input/input_map.cpp
@@ -71,7 +71,7 @@ void InputMap::erase_action(const StringName &p_action) {
 Array InputMap::_get_actions() {
 	Array ret;
 	List<StringName> actions = get_actions();
-	if (actions.empty()) {
+	if (actions.is_empty()) {
 		return ret;
 	}
 
@@ -84,7 +84,7 @@ Array InputMap::_get_actions() {
 
 List<StringName> InputMap::get_actions() const {
 	List<StringName> actions = List<StringName>();
-	if (input_map.empty()) {
+	if (input_map.is_empty()) {
 		return actions;
 	}
 
diff --git a/core/io/config_file.cpp b/core/io/config_file.cpp
index 8be39178dbc..a53431cab29 100644
--- a/core/io/config_file.cpp
+++ b/core/io/config_file.cpp
@@ -67,7 +67,7 @@ void ConfigFile::set_value(const String &p_section, const String &p_key, const V
 			return; // ?
 		}
 		values[p_section].erase(p_key);
-		if (values[p_section].empty()) {
+		if (values[p_section].is_empty()) {
 			values.erase(p_section);
 		}
 
diff --git a/core/io/file_access_network.cpp b/core/io/file_access_network.cpp
index 1e9266f118c..207d5757ecd 100644
--- a/core/io/file_access_network.cpp
+++ b/core/io/file_access_network.cpp
@@ -350,7 +350,7 @@ void FileAccessNetwork::_queue_page(int p_page) const {
 	if (p_page >= pages.size()) {
 		return;
 	}
-	if (pages[p_page].buffer.empty() && !pages[p_page].queued) {
+	if (pages[p_page].buffer.is_empty() && !pages[p_page].queued) {
 		FileAccessNetworkClient *nc = FileAccessNetworkClient::singleton;
 		{
 			MutexLock lock(nc->blockrequest_mutex);
@@ -386,7 +386,7 @@ int FileAccessNetwork::get_buffer(uint8_t *p_dst, int p_length) const {
 
 		if (page != last_page) {
 			buffer_mutex.lock();
-			if (pages[page].buffer.empty()) {
+			if (pages[page].buffer.is_empty()) {
 				waiting_on_page = page;
 				for (int j = 0; j < read_ahead; j++) {
 					_queue_page(page + j);
diff --git a/core/io/file_access_pack.cpp b/core/io/file_access_pack.cpp
index a025ca57304..30c94d6a4d6 100644
--- a/core/io/file_access_pack.cpp
+++ b/core/io/file_access_pack.cpp
@@ -89,7 +89,7 @@ void PackedData::add_path(const String &pkg_path, const String &path, uint64_t o
 		}
 		String filename = path.get_file();
 		// Don't add as a file if the path points to a directory
-		if (!filename.empty()) {
+		if (!filename.is_empty()) {
 			cd->files.insert(filename);
 		}
 	}
diff --git a/core/io/image.cpp b/core/io/image.cpp
index 56d84325b59..fec7a6a0c5b 100644
--- a/core/io/image.cpp
+++ b/core/io/image.cpp
@@ -375,7 +375,7 @@ Image::Image3DValidateError Image::validate_3d_image(Image::Format p_format, int
 			if (idx >= p_images.size()) {
 				return VALIDATE_3D_ERR_MISSING_IMAGES;
 			}
-			if (p_images[idx].is_null() || p_images[idx]->empty()) {
+			if (p_images[idx].is_null() || p_images[idx]->is_empty()) {
 				return VALIDATE_3D_ERR_IMAGE_EMPTY;
 			}
 			if (p_images[idx]->get_format() != p_format) {
@@ -1756,7 +1756,7 @@ Error Image::generate_mipmap_roughness(RoughnessChannel p_roughness_channel, con
 	double *normal_sat = nullptr; //summed area table for normalmap
 	int normal_w = 0, normal_h = 0;
 
-	ERR_FAIL_COND_V_MSG(p_normal_map.is_null() || p_normal_map->empty(), ERR_INVALID_PARAMETER, "Must provide a valid normalmap for roughness mipmaps");
+	ERR_FAIL_COND_V_MSG(p_normal_map.is_null() || p_normal_map->is_empty(), ERR_INVALID_PARAMETER, "Must provide a valid normalmap for roughness mipmaps");
 
 	Ref<Image> nm = p_normal_map->duplicate();
 	if (nm->is_compressed()) {
@@ -1950,7 +1950,7 @@ void Image::clear_mipmaps() {
 		return;
 	}
 
-	if (empty()) {
+	if (is_empty()) {
 		return;
 	}
 
@@ -1961,7 +1961,7 @@ void Image::clear_mipmaps() {
 	mipmaps = false;
 }
 
-bool Image::empty() const {
+bool Image::is_empty() const {
 	return (data.size() == 0);
 }
 
@@ -3090,7 +3090,7 @@ void Image::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("create", "width", "height", "use_mipmaps", "format"), &Image::_create_empty);
 	ClassDB::bind_method(D_METHOD("create_from_data", "width", "height", "use_mipmaps", "format", "data"), &Image::_create_from_data);
 
-	ClassDB::bind_method(D_METHOD("is_empty"), &Image::empty);
+	ClassDB::bind_method(D_METHOD("is_empty"), &Image::is_empty);
 
 	ClassDB::bind_method(D_METHOD("load", "path"), &Image::load);
 	ClassDB::bind_method(D_METHOD("save_png", "path"), &Image::save_png);
@@ -3585,7 +3585,7 @@ Image::Image(const uint8_t *p_mem_png_jpg, int p_len) {
 		copy_internals_from(_png_mem_loader_func(p_mem_png_jpg, p_len));
 	}
 
-	if (empty() && _jpg_mem_loader_func) {
+	if (is_empty() && _jpg_mem_loader_func) {
 		copy_internals_from(_jpg_mem_loader_func(p_mem_png_jpg, p_len));
 	}
 }
diff --git a/core/io/image.h b/core/io/image.h
index 6b4488bd662..7280500c85e 100644
--- a/core/io/image.h
+++ b/core/io/image.h
@@ -285,7 +285,7 @@ public:
 	/**
 	 * returns true when the image is empty (0,0) in size
 	 */
-	bool empty() const;
+	bool is_empty() const;
 
 	Vector<uint8_t> get_data() const;
 
diff --git a/core/io/ip.cpp b/core/io/ip.cpp
index 9f3540efad8..beb3c7fc2e8 100644
--- a/core/io/ip.cpp
+++ b/core/io/ip.cpp
@@ -189,7 +189,7 @@ void IP::erase_resolve_item(ResolverID p_id) {
 void IP::clear_cache(const String &p_hostname) {
 	MutexLock lock(resolver->mutex);
 
-	if (p_hostname.empty()) {
+	if (p_hostname.is_empty()) {
 		resolver->cache.clear();
 	} else {
 		resolver->cache.erase(_IP_ResolverPrivate::get_cache_key(p_hostname, IP::TYPE_NONE));
diff --git a/core/io/json.cpp b/core/io/json.cpp
index d61c2b82360..f9d96c5e1f0 100644
--- a/core/io/json.cpp
+++ b/core/io/json.cpp
@@ -47,7 +47,7 @@ const char *JSON::tk_name[TK_MAX] = {
 
 static String _make_indent(const String &p_indent, int p_size) {
 	String indent_text = "";
-	if (!p_indent.empty()) {
+	if (!p_indent.is_empty()) {
 		for (int i = 0; i < p_size; i++) {
 			indent_text += p_indent;
 		}
@@ -59,7 +59,7 @@ String JSON::_print_var(const Variant &p_var, const String &p_indent, int p_cur_
 	String colon = ":";
 	String end_statement = "";
 
-	if (!p_indent.empty()) {
+	if (!p_indent.is_empty()) {
 		colon += " ";
 		end_statement += "\n";
 	}
diff --git a/core/io/pck_packer.cpp b/core/io/pck_packer.cpp
index 5480d3c535d..f2b0c80aabc 100644
--- a/core/io/pck_packer.cpp
+++ b/core/io/pck_packer.cpp
@@ -53,7 +53,7 @@ void PCKPacker::_bind_methods() {
 }
 
 Error PCKPacker::pck_start(const String &p_file, int p_alignment, const String &p_key, bool p_encrypt_directory) {
-	ERR_FAIL_COND_V_MSG((p_key.empty() || !p_key.is_valid_hex_number(false) || p_key.length() != 64), ERR_CANT_CREATE, "Invalid Encryption Key (must be 64 characters long).");
+	ERR_FAIL_COND_V_MSG((p_key.is_empty() || !p_key.is_valid_hex_number(false) || p_key.length() != 64), ERR_CANT_CREATE, "Invalid Encryption Key (must be 64 characters long).");
 
 	String _key = p_key.to_lower();
 	key.resize(32);
diff --git a/core/io/translation_loader_po.cpp b/core/io/translation_loader_po.cpp
index 34cccca5400..88cd0896638 100644
--- a/core/io/translation_loader_po.cpp
+++ b/core/io/translation_loader_po.cpp
@@ -70,7 +70,7 @@ RES TranslationLoaderPO::load_translation(FileAccess *f, Error *r_error) {
 		is_eof = f->eof_reached();
 
 		// If we reached last line and it's not a content line, break, otherwise let processing that last loop
-		if (is_eof && l.empty()) {
+		if (is_eof && l.is_empty()) {
 			if (status == STATUS_READING_ID || status == STATUS_READING_CONTEXT || (status == STATUS_READING_PLURAL && plural_index != plural_forms - 1)) {
 				memdelete(f);
 				ERR_FAIL_V_MSG(RES(), "Unexpected EOF while reading PO file at: " + path + ":" + itos(line));
diff --git a/core/math/a_star.cpp b/core/math/a_star.cpp
index b4410acf7d7..6b97cba9f9e 100644
--- a/core/math/a_star.cpp
+++ b/core/math/a_star.cpp
@@ -35,7 +35,7 @@
 #include "scene/scene_string_names.h"
 
 int AStar::get_available_point_id() const {
-	if (points.empty()) {
+	if (points.is_empty()) {
 		return 1;
 	}
 
@@ -341,7 +341,7 @@ bool AStar::_solve(Point *begin_point, Point *end_point) {
 	begin_point->f_score = _estimate_cost(begin_point->id, end_point->id);
 	open_list.push_back(begin_point);
 
-	while (!open_list.empty()) {
+	while (!open_list.is_empty()) {
 		Point *p = open_list[0]; // The currently processed point
 
 		if (p == end_point) {
@@ -805,7 +805,7 @@ bool AStar2D::_solve(AStar::Point *begin_point, AStar::Point *end_point) {
 	begin_point->f_score = _estimate_cost(begin_point->id, end_point->id);
 	open_list.push_back(begin_point);
 
-	while (!open_list.empty()) {
+	while (!open_list.is_empty()) {
 		AStar::Point *p = open_list[0]; // The currently processed point
 
 		if (p == end_point) {
diff --git a/core/math/dynamic_bvh.h b/core/math/dynamic_bvh.h
index ecf2feb3d8d..8b0d390465b 100644
--- a/core/math/dynamic_bvh.h
+++ b/core/math/dynamic_bvh.h
@@ -278,7 +278,7 @@ private:
 public:
 	// Methods
 	void clear();
-	bool empty() const { return (0 == bvh_root); }
+	bool is_empty() const { return (0 == bvh_root); }
 	void optimize_bottom_up();
 	void optimize_top_down(int bu_threshold = 128);
 	void optimize_incremental(int passes);
@@ -332,7 +332,7 @@ void DynamicBVH::aabb_query(const AABB &p_box, QueryResult &r_result) {
 		if (n->volume.intersects(volume)) {
 			if (n->is_internal()) {
 				if (depth > threshold) {
-					if (aux_stack.empty()) {
+					if (aux_stack.is_empty()) {
 						aux_stack.resize(ALLOCA_STACK_SIZE * 2);
 						copymem(aux_stack.ptr(), stack, ALLOCA_STACK_SIZE * sizeof(const Node *));
 					} else {
@@ -388,7 +388,7 @@ void DynamicBVH::convex_query(const Plane *p_planes, int p_plane_count, const Ve
 		if (n->volume.intersects(volume) && n->volume.intersects_convex(p_planes, p_plane_count, p_points, p_point_count)) {
 			if (n->is_internal()) {
 				if (depth > threshold) {
-					if (aux_stack.empty()) {
+					if (aux_stack.is_empty()) {
 						aux_stack.resize(ALLOCA_STACK_SIZE * 2);
 						copymem(aux_stack.ptr(), stack, ALLOCA_STACK_SIZE * sizeof(const Node *));
 					} else {
@@ -445,7 +445,7 @@ void DynamicBVH::ray_query(const Vector3 &p_from, const Vector3 &p_to, QueryResu
 		if (result1) {
 			if (node->is_internal()) {
 				if (depth > threshold) {
-					if (aux_stack.empty()) {
+					if (aux_stack.is_empty()) {
 						aux_stack.resize(ALLOCA_STACK_SIZE * 2);
 						copymem(aux_stack.ptr(), stack, ALLOCA_STACK_SIZE * sizeof(const Node *));
 					} else {
diff --git a/core/math/octree.h b/core/math/octree.h
index be1e7d6a619..f7ff4faef38 100644
--- a/core/math/octree.h
+++ b/core/math/octree.h
@@ -572,7 +572,7 @@ bool Octree<T, use_pairs, AL>::_remove_element_from_octant(Element *p_element, O
 
 		Octant *parent = p_octant->parent;
 
-		if (p_octant->children_count == 0 && p_octant->elements.empty() && p_octant->pairable_elements.empty()) {
+		if (p_octant->children_count == 0 && p_octant->elements.is_empty() && p_octant->pairable_elements.is_empty()) {
 			// erase octant
 
 			if (p_octant == root) { // won't have a parent, just erase
@@ -942,7 +942,7 @@ void Octree<T, use_pairs, AL>::_cull_convex(Octant *p_octant, _CullConvexData *p
 		return; //pointless
 	}
 
-	if (!p_octant->elements.empty()) {
+	if (!p_octant->elements.is_empty()) {
 		typename List<Element *, AL>::Element *I;
 		I = p_octant->elements.front();
 
@@ -965,7 +965,7 @@ void Octree<T, use_pairs, AL>::_cull_convex(Octant *p_octant, _CullConvexData *p
 		}
 	}
 
-	if (use_pairs && !p_octant->pairable_elements.empty()) {
+	if (use_pairs && !p_octant->pairable_elements.is_empty()) {
 		typename List<Element *, AL>::Element *I;
 		I = p_octant->pairable_elements.front();
 
@@ -1001,7 +1001,7 @@ void Octree<T, use_pairs, AL>::_cull_aabb(Octant *p_octant, const AABB &p_aabb,
 		return; //pointless
 	}
 
-	if (!p_octant->elements.empty()) {
+	if (!p_octant->elements.is_empty()) {
 		typename List<Element *, AL>::Element *I;
 		I = p_octant->elements.front();
 		for (; I; I = I->next()) {
@@ -1027,7 +1027,7 @@ void Octree<T, use_pairs, AL>::_cull_aabb(Octant *p_octant, const AABB &p_aabb,
 		}
 	}
 
-	if (use_pairs && !p_octant->pairable_elements.empty()) {
+	if (use_pairs && !p_octant->pairable_elements.is_empty()) {
 		typename List<Element *, AL>::Element *I;
 		I = p_octant->pairable_elements.front();
 		for (; I; I = I->next()) {
@@ -1065,7 +1065,7 @@ void Octree<T, use_pairs, AL>::_cull_segment(Octant *p_octant, const Vector3 &p_
 		return; //pointless
 	}
 
-	if (!p_octant->elements.empty()) {
+	if (!p_octant->elements.is_empty()) {
 		typename List<Element *, AL>::Element *I;
 		I = p_octant->elements.front();
 		for (; I; I = I->next()) {
@@ -1091,7 +1091,7 @@ void Octree<T, use_pairs, AL>::_cull_segment(Octant *p_octant, const Vector3 &p_
 		}
 	}
 
-	if (use_pairs && !p_octant->pairable_elements.empty()) {
+	if (use_pairs && !p_octant->pairable_elements.is_empty()) {
 		typename List<Element *, AL>::Element *I;
 		I = p_octant->pairable_elements.front();
 		for (; I; I = I->next()) {
@@ -1132,7 +1132,7 @@ void Octree<T, use_pairs, AL>::_cull_point(Octant *p_octant, const Vector3 &p_po
 		return; //pointless
 	}
 
-	if (!p_octant->elements.empty()) {
+	if (!p_octant->elements.is_empty()) {
 		typename List<Element *, AL>::Element *I;
 		I = p_octant->elements.front();
 		for (; I; I = I->next()) {
@@ -1158,7 +1158,7 @@ void Octree<T, use_pairs, AL>::_cull_point(Octant *p_octant, const Vector3 &p_po
 		}
 	}
 
-	if (use_pairs && !p_octant->pairable_elements.empty()) {
+	if (use_pairs && !p_octant->pairable_elements.is_empty()) {
 		typename List<Element *, AL>::Element *I;
 		I = p_octant->pairable_elements.front();
 		for (; I; I = I->next()) {
diff --git a/core/object/class_db.cpp b/core/object/class_db.cpp
index f5171f60ec6..6cdaacf1643 100644
--- a/core/object/class_db.cpp
+++ b/core/object/class_db.cpp
@@ -377,7 +377,7 @@ uint64_t ClassDB::get_api_hash(APIType p_api) {
 			while ((k = t->method_map.next(k))) {
 				String name = k->operator String();
 
-				ERR_CONTINUE(name.empty());
+				ERR_CONTINUE(name.is_empty());
 
 				if (name[0] == '_') {
 					continue; // Ignore non-virtual methods that start with an underscore
diff --git a/core/object/object.cpp b/core/object/object.cpp
index 681e1188ff7..a53925f9908 100644
--- a/core/object/object.cpp
+++ b/core/object/object.cpp
@@ -506,7 +506,7 @@ Variant Object::get(const StringName &p_name, bool *r_valid) const {
 }
 
 void Object::set_indexed(const Vector<StringName> &p_names, const Variant &p_value, bool *r_valid) {
-	if (p_names.empty()) {
+	if (p_names.is_empty()) {
 		if (r_valid) {
 			*r_valid = false;
 		}
@@ -561,11 +561,11 @@ void Object::set_indexed(const Vector<StringName> &p_names, const Variant &p_val
 	set(p_names[0], value_stack.back()->get(), r_valid);
 	value_stack.pop_back();
 
-	ERR_FAIL_COND(!value_stack.empty());
+	ERR_FAIL_COND(!value_stack.is_empty());
 }
 
 Variant Object::get_indexed(const Vector<StringName> &p_names, bool *r_valid) const {
-	if (p_names.empty()) {
+	if (p_names.is_empty()) {
 		if (r_valid) {
 			*r_valid = false;
 		}
@@ -599,7 +599,7 @@ void Object::get_property_list(List<PropertyInfo> *p_list, bool p_reversed) cons
 	if (!is_class("Script")) { // can still be set, but this is for userfriendlyness
 		p_list->push_back(PropertyInfo(Variant::OBJECT, "script", PROPERTY_HINT_RESOURCE_TYPE, "Script", PROPERTY_USAGE_DEFAULT));
 	}
-	if (!metadata.empty()) {
+	if (!metadata.is_empty()) {
 		p_list->push_back(PropertyInfo(Variant::DICTIONARY, "__meta__", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL));
 	}
 	if (script_instance && !p_reversed) {
@@ -1089,7 +1089,7 @@ Error Object::emit_signal(const StringName &p_name, const Variant **p_args, int
 		}
 	}
 
-	while (!disconnect_data.empty()) {
+	while (!disconnect_data.is_empty()) {
 		const _ObjectSignalDisconnectData &dd = disconnect_data.front()->get();
 
 		_disconnect(dd.signal, dd.callable);
@@ -1373,7 +1373,7 @@ void Object::_disconnect(const StringName &p_signal, const Callable &p_callable,
 	target_object->connections.erase(slot->cE);
 	s->slot_map.erase(*p_callable.get_base_comparator());
 
-	if (s->slot_map.empty() && ClassDB::has_signal(get_class_name(), p_signal)) {
+	if (s->slot_map.is_empty() && ClassDB::has_signal(get_class_name(), p_signal)) {
 		//not user signal, delete
 		signal_map.erase(p_signal);
 	}
diff --git a/core/object/script_language.cpp b/core/object/script_language.cpp
index 17ac75e19f1..f9cc5174480 100644
--- a/core/object/script_language.cpp
+++ b/core/object/script_language.cpp
@@ -275,7 +275,7 @@ void ScriptServer::save_global_classes() {
 		gcarr.push_back(d);
 	}
 
-	if (gcarr.empty()) {
+	if (gcarr.is_empty()) {
 		if (ProjectSettings::get_singleton()->has_setting("_global_script_classes")) {
 			ProjectSettings::get_singleton()->clear("_global_script_classes");
 		}
diff --git a/core/string/string_buffer.h b/core/string/string_buffer.h
index 1317b538d4a..6f58e128be2 100644
--- a/core/string/string_buffer.h
+++ b/core/string/string_buffer.h
@@ -40,7 +40,7 @@ class StringBuffer {
 	int string_length = 0;
 
 	_FORCE_INLINE_ char32_t *current_buffer_ptr() {
-		return static_cast<String &>(buffer).empty() ? short_buffer : buffer.ptrw();
+		return static_cast<String &>(buffer).is_empty() ? short_buffer : buffer.ptrw();
 	}
 
 public:
@@ -122,7 +122,7 @@ StringBuffer<SHORT_BUFFER_SIZE> &StringBuffer<SHORT_BUFFER_SIZE>::reserve(int p_
 		return *this;
 	}
 
-	bool need_copy = string_length > 0 && buffer.empty();
+	bool need_copy = string_length > 0 && buffer.is_empty();
 	buffer.resize(next_power_of_2(p_size));
 	if (need_copy) {
 		memcpy(buffer.ptrw(), short_buffer, string_length * sizeof(char32_t));
@@ -139,7 +139,7 @@ int StringBuffer<SHORT_BUFFER_SIZE>::length() const {
 template <int SHORT_BUFFER_SIZE>
 String StringBuffer<SHORT_BUFFER_SIZE>::as_string() {
 	current_buffer_ptr()[string_length] = '\0';
-	if (buffer.empty()) {
+	if (buffer.is_empty()) {
 		return String(short_buffer);
 	} else {
 		buffer.resize(string_length + 1);
diff --git a/core/string/string_name.h b/core/string/string_name.h
index 320f63bf68f..1c0a4e582d2 100644
--- a/core/string/string_name.h
+++ b/core/string/string_name.h
@@ -83,7 +83,7 @@ class StringName {
 	StringName(_Data *p_data) { _data = p_data; }
 
 public:
-	operator const void *() const { return (_data && (_data->cname || !_data->name.empty())) ? (void *)1 : nullptr; }
+	operator const void *() const { return (_data && (_data->cname || !_data->name.is_empty())) ? (void *)1 : nullptr; }
 
 	bool operator==(const String &p_name) const;
 	bool operator==(const char *p_name) const;
diff --git a/core/string/translation.cpp b/core/string/translation.cpp
index 7b8c28e2e2d..5828f0e127b 100644
--- a/core/string/translation.cpp
+++ b/core/string/translation.cpp
@@ -851,7 +851,7 @@ void Translation::add_message(const StringName &p_src_text, const StringName &p_
 
 void Translation::add_plural_message(const StringName &p_src_text, const Vector<String> &p_plural_xlated_texts, const StringName &p_context) {
 	WARN_PRINT("Translation class doesn't handle plural messages. Calling add_plural_message() on a Translation instance is probably a mistake. \nUse a derived Translation class that handles plurals, such as TranslationPO class");
-	ERR_FAIL_COND_MSG(p_plural_xlated_texts.empty(), "Parameter vector p_plural_xlated_texts passed in is empty.");
+	ERR_FAIL_COND_MSG(p_plural_xlated_texts.is_empty(), "Parameter vector p_plural_xlated_texts passed in is empty.");
 	translation_map[p_src_text] = p_plural_xlated_texts[0];
 }
 
diff --git a/core/string/translation_po.cpp b/core/string/translation_po.cpp
index 203f29026ba..08927410211 100644
--- a/core/string/translation_po.cpp
+++ b/core/string/translation_po.cpp
@@ -230,7 +230,7 @@ StringName TranslationPO::get_message(const StringName &p_src_text, const String
 	if (!translation_map.has(p_context) || !translation_map[p_context].has(p_src_text)) {
 		return StringName();
 	}
-	ERR_FAIL_COND_V_MSG(translation_map[p_context][p_src_text].empty(), StringName(), "Source text \"" + String(p_src_text) + "\" is registered but doesn't have a translation. Please report this bug.");
+	ERR_FAIL_COND_V_MSG(translation_map[p_context][p_src_text].is_empty(), StringName(), "Source text \"" + String(p_src_text) + "\" is registered but doesn't have a translation. Please report this bug.");
 
 	return translation_map[p_context][p_src_text][0];
 }
@@ -246,7 +246,7 @@ StringName TranslationPO::get_plural_message(const StringName &p_src_text, const
 	if (!translation_map.has(p_context) || !translation_map[p_context].has(p_src_text)) {
 		return StringName();
 	}
-	ERR_FAIL_COND_V_MSG(translation_map[p_context][p_src_text].empty(), StringName(), "Source text \"" + String(p_src_text) + "\" is registered but doesn't have a translation. Please report this bug.");
+	ERR_FAIL_COND_V_MSG(translation_map[p_context][p_src_text].is_empty(), StringName(), "Source text \"" + String(p_src_text) + "\" is registered but doesn't have a translation. Please report this bug.");
 
 	if (translation_map[p_context][p_src_text].size() == 1) {
 		WARN_PRINT("Source string \"" + String(p_src_text) + "\" doesn't have plural translations. Use singular translation API for such as tr(), TTR() to translate \"" + String(p_src_text) + "\"");
diff --git a/core/string/ustring.cpp b/core/string/ustring.cpp
index fee168993b8..3276038c4d2 100644
--- a/core/string/ustring.cpp
+++ b/core/string/ustring.cpp
@@ -427,12 +427,12 @@ String operator+(char32_t p_chr, const String &p_str) {
 }
 
 String &String::operator+=(const String &p_str) {
-	if (empty()) {
+	if (is_empty()) {
 		*this = p_str;
 		return *this;
 	}
 
-	if (p_str.empty()) {
+	if (p_str.is_empty()) {
 		return *this;
 	}
 
@@ -519,7 +519,7 @@ bool String::operator==(const char *p_str) const {
 	if (length() != len) {
 		return false;
 	}
-	if (empty()) {
+	if (is_empty()) {
 		return true;
 	}
 
@@ -558,7 +558,7 @@ bool String::operator==(const char32_t *p_str) const {
 	if (length() != len) {
 		return false;
 	}
-	if (empty()) {
+	if (is_empty()) {
 		return true;
 	}
 
@@ -580,7 +580,7 @@ bool String::operator==(const String &p_str) const {
 	if (length() != p_str.length()) {
 		return false;
 	}
-	if (empty()) {
+	if (is_empty()) {
 		return true;
 	}
 
@@ -605,7 +605,7 @@ bool String::operator==(const StrRange &p_str_range) const {
 	if (length() != len) {
 		return false;
 	}
-	if (empty()) {
+	if (is_empty()) {
 		return true;
 	}
 
@@ -678,20 +678,20 @@ bool String::operator>=(const String &p_str) const {
 }
 
 bool String::operator<(const char *p_str) const {
-	if (empty() && p_str[0] == 0) {
+	if (is_empty() && p_str[0] == 0) {
 		return false;
 	}
-	if (empty()) {
+	if (is_empty()) {
 		return true;
 	}
 	return is_str_less(get_data(), p_str);
 }
 
 bool String::operator<(const wchar_t *p_str) const {
-	if (empty() && p_str[0] == 0) {
+	if (is_empty() && p_str[0] == 0) {
 		return false;
 	}
-	if (empty()) {
+	if (is_empty()) {
 		return true;
 	}
 
@@ -705,10 +705,10 @@ bool String::operator<(const wchar_t *p_str) const {
 }
 
 bool String::operator<(const char32_t *p_str) const {
-	if (empty() && p_str[0] == 0) {
+	if (is_empty() && p_str[0] == 0) {
 		return false;
 	}
-	if (empty()) {
+	if (is_empty()) {
 		return true;
 	}
 
@@ -720,13 +720,13 @@ bool String::operator<(const String &p_str) const {
 }
 
 signed char String::nocasecmp_to(const String &p_str) const {
-	if (empty() && p_str.empty()) {
+	if (is_empty() && p_str.is_empty()) {
 		return 0;
 	}
-	if (empty()) {
+	if (is_empty()) {
 		return -1;
 	}
-	if (p_str.empty()) {
+	if (p_str.is_empty()) {
 		return 1;
 	}
 
@@ -752,13 +752,13 @@ signed char String::nocasecmp_to(const String &p_str) const {
 }
 
 signed char String::casecmp_to(const String &p_str) const {
-	if (empty() && p_str.empty()) {
+	if (is_empty() && p_str.is_empty()) {
 		return 0;
 	}
-	if (empty()) {
+	if (is_empty()) {
 		return -1;
 	}
-	if (p_str.empty()) {
+	if (p_str.is_empty()) {
 		return 1;
 	}
 
@@ -949,10 +949,10 @@ String String::get_with_code_lines() const {
 }
 
 int String::get_slice_count(String p_splitter) const {
-	if (empty()) {
+	if (is_empty()) {
 		return 0;
 	}
-	if (p_splitter.empty()) {
+	if (p_splitter.is_empty()) {
 		return 0;
 	}
 
@@ -968,7 +968,7 @@ int String::get_slice_count(String p_splitter) const {
 }
 
 String String::get_slice(String p_splitter, int p_slice) const {
-	if (empty() || p_splitter.empty()) {
+	if (is_empty() || p_splitter.is_empty()) {
 		return "";
 	}
 
@@ -1008,7 +1008,7 @@ String String::get_slice(String p_splitter, int p_slice) const {
 }
 
 String String::get_slicec(char32_t p_splitter, int p_slice) const {
-	if (empty()) {
+	if (is_empty()) {
 		return String();
 	}
 
@@ -2585,7 +2585,7 @@ int64_t String::to_int(const char32_t *p_str, int p_len, bool p_clamp) {
 }
 
 double String::to_float() const {
-	if (empty()) {
+	if (is_empty()) {
 		return 0;
 	}
 	return built_in_strtod<char32_t>(get_data());
@@ -2767,7 +2767,7 @@ String String::substr(int p_from, int p_chars) const {
 		p_chars = length() - p_from;
 	}
 
-	if (empty() || p_from < 0 || p_from >= length() || p_chars <= 0) {
+	if (is_empty() || p_from < 0 || p_from >= length() || p_chars <= 0) {
 		return "";
 	}
 
@@ -3142,7 +3142,7 @@ bool String::is_quoted() const {
 }
 
 int String::_count(const String &p_string, int p_from, int p_to, bool p_case_insensitive) const {
-	if (p_string.empty()) {
+	if (p_string.is_empty()) {
 		return 0;
 	}
 	int len = length();
@@ -4241,7 +4241,7 @@ bool String::is_valid_ip_address() const {
 		Vector<String> ip = split(":");
 		for (int i = 0; i < ip.size(); i++) {
 			String n = ip[i];
-			if (n.empty()) {
+			if (n.is_empty()) {
 				continue;
 			}
 			if (n.is_valid_hex_number(false)) {
@@ -4331,7 +4331,7 @@ String String::get_extension() const {
 }
 
 String String::plus_file(const String &p_file) const {
-	if (empty()) {
+	if (is_empty()) {
 		return p_file;
 	}
 	if (operator[](length() - 1) == '/' || (p_file.size() > 0 && p_file.operator[](0) == '/')) {
@@ -4760,7 +4760,7 @@ String String::unquote() const {
 
 Vector<uint8_t> String::to_ascii_buffer() const {
 	const String *s = this;
-	if (s->empty()) {
+	if (s->is_empty()) {
 		return Vector<uint8_t>();
 	}
 	CharString charstr = s->ascii();
@@ -4776,7 +4776,7 @@ Vector<uint8_t> String::to_ascii_buffer() const {
 
 Vector<uint8_t> String::to_utf8_buffer() const {
 	const String *s = this;
-	if (s->empty()) {
+	if (s->is_empty()) {
 		return Vector<uint8_t>();
 	}
 	CharString charstr = s->utf8();
@@ -4792,7 +4792,7 @@ Vector<uint8_t> String::to_utf8_buffer() const {
 
 Vector<uint8_t> String::to_utf16_buffer() const {
 	const String *s = this;
-	if (s->empty()) {
+	if (s->is_empty()) {
 		return Vector<uint8_t>();
 	}
 	Char16String charstr = s->utf16();
@@ -4808,7 +4808,7 @@ Vector<uint8_t> String::to_utf16_buffer() const {
 
 Vector<uint8_t> String::to_utf32_buffer() const {
 	const String *s = this;
-	if (s->empty()) {
+	if (s->is_empty()) {
 		return Vector<uint8_t>();
 	}
 
diff --git a/core/string/ustring.h b/core/string/ustring.h
index 7ff78b2d86b..b42814a0a36 100644
--- a/core/string/ustring.h
+++ b/core/string/ustring.h
@@ -394,7 +394,7 @@ public:
 	Vector<uint8_t> sha1_buffer() const;
 	Vector<uint8_t> sha256_buffer() const;
 
-	_FORCE_INLINE_ bool empty() const { return length() == 0; }
+	_FORCE_INLINE_ bool is_empty() const { return length() == 0; }
 
 	// path functions
 	bool is_abs_path() const;
diff --git a/core/templates/cowdata.h b/core/templates/cowdata.h
index d5eb08286d7..705eae8f9f4 100644
--- a/core/templates/cowdata.h
+++ b/core/templates/cowdata.h
@@ -135,7 +135,7 @@ public:
 	}
 
 	_FORCE_INLINE_ void clear() { resize(0); }
-	_FORCE_INLINE_ bool empty() const { return _ptr == nullptr; }
+	_FORCE_INLINE_ bool is_empty() const { return _ptr == nullptr; }
 
 	_FORCE_INLINE_ void set(int p_index, const T &p_elem) {
 		CRASH_BAD_INDEX(p_index, size());
diff --git a/core/templates/hash_map.h b/core/templates/hash_map.h
index e1ba3815953..2e983028098 100644
--- a/core/templates/hash_map.h
+++ b/core/templates/hash_map.h
@@ -497,7 +497,7 @@ public:
 		return elements;
 	}
 
-	inline bool empty() const {
+	inline bool is_empty() const {
 		return elements == 0;
 	}
 
diff --git a/core/templates/list.h b/core/templates/list.h
index 8e14aaa90df..bab51983801 100644
--- a/core/templates/list.h
+++ b/core/templates/list.h
@@ -373,7 +373,7 @@ public:
 	/**
 	 * return whether the list is empty
 	 */
-	_FORCE_INLINE_ bool empty() const {
+	_FORCE_INLINE_ bool is_empty() const {
 		return (!_data || !_data->size_cache);
 	}
 
diff --git a/core/templates/local_vector.h b/core/templates/local_vector.h
index 4ef040dc77a..1bf4161f875 100644
--- a/core/templates/local_vector.h
+++ b/core/templates/local_vector.h
@@ -104,7 +104,7 @@ public:
 			capacity = 0;
 		}
 	}
-	_FORCE_INLINE_ bool empty() const { return count == 0; }
+	_FORCE_INLINE_ bool is_empty() const { return count == 0; }
 	_FORCE_INLINE_ void reserve(U p_size) {
 		p_size = nearest_power_of_2_templated(p_size);
 		if (p_size > capacity) {
diff --git a/core/templates/map.h b/core/templates/map.h
index c454d692562..4e002b67f8d 100644
--- a/core/templates/map.h
+++ b/core/templates/map.h
@@ -625,7 +625,7 @@ public:
 		return e;
 	}
 
-	inline bool empty() const { return _data.size_cache == 0; }
+	inline bool is_empty() const { return _data.size_cache == 0; }
 	inline int size() const { return _data.size_cache; }
 
 	int calculate_depth() const {
diff --git a/core/templates/oa_hash_map.h b/core/templates/oa_hash_map.h
index d9d632b4ce3..49551ffc2d6 100644
--- a/core/templates/oa_hash_map.h
+++ b/core/templates/oa_hash_map.h
@@ -190,7 +190,7 @@ public:
 	_FORCE_INLINE_ uint32_t get_capacity() const { return capacity; }
 	_FORCE_INLINE_ uint32_t get_num_elements() const { return num_elements; }
 
-	bool empty() const {
+	bool is_empty() const {
 		return num_elements == 0;
 	}
 
diff --git a/core/templates/ordered_hash_map.h b/core/templates/ordered_hash_map.h
index 9398868b016..fce9bcfbfc4 100644
--- a/core/templates/ordered_hash_map.h
+++ b/core/templates/ordered_hash_map.h
@@ -265,7 +265,7 @@ public:
 		return ConstElement(list.back());
 	}
 
-	inline bool empty() const { return list.empty(); }
+	inline bool is_empty() const { return list.is_empty(); }
 	inline int size() const { return list.size(); }
 
 	const void *id() const {
diff --git a/core/templates/set.h b/core/templates/set.h
index d0ac71a710f..c3236180628 100644
--- a/core/templates/set.h
+++ b/core/templates/set.h
@@ -576,7 +576,7 @@ public:
 		return e;
 	}
 
-	inline bool empty() const { return _data.size_cache == 0; }
+	inline bool is_empty() const { return _data.size_cache == 0; }
 	inline int size() const { return _data.size_cache; }
 
 	int calculate_depth() const {
diff --git a/core/templates/vector.h b/core/templates/vector.h
index 7420384bf71..1c06e7e3abe 100644
--- a/core/templates/vector.h
+++ b/core/templates/vector.h
@@ -79,7 +79,7 @@ public:
 	_FORCE_INLINE_ T *ptrw() { return _cowdata.ptrw(); }
 	_FORCE_INLINE_ const T *ptr() const { return _cowdata.ptr(); }
 	_FORCE_INLINE_ void clear() { resize(0); }
-	_FORCE_INLINE_ bool empty() const { return _cowdata.empty(); }
+	_FORCE_INLINE_ bool is_empty() const { return _cowdata.is_empty(); }
 
 	_FORCE_INLINE_ T get(int p_index) { return _cowdata.get(p_index); }
 	_FORCE_INLINE_ const T &get(int p_index) const { return _cowdata.get(p_index); }
diff --git a/core/templates/vmap.h b/core/templates/vmap.h
index 8d2a3d2a9c8..5fdfa1a7b57 100644
--- a/core/templates/vmap.h
+++ b/core/templates/vmap.h
@@ -54,7 +54,7 @@ private:
 
 	_FORCE_INLINE_ int _find(const T &p_val, bool &r_exact) const {
 		r_exact = false;
-		if (_cowdata.empty()) {
+		if (_cowdata.is_empty()) {
 			return 0;
 		}
 
@@ -89,7 +89,7 @@ private:
 	}
 
 	_FORCE_INLINE_ int _find_exact(const T &p_val) const {
-		if (_cowdata.empty()) {
+		if (_cowdata.is_empty()) {
 			return -1;
 		}
 
@@ -147,7 +147,7 @@ public:
 	}
 
 	_FORCE_INLINE_ int size() const { return _cowdata.size(); }
-	_FORCE_INLINE_ bool empty() const { return _cowdata.empty(); }
+	_FORCE_INLINE_ bool is_empty() const { return _cowdata.is_empty(); }
 
 	const Pair *get_array() const {
 		return _cowdata.ptr();
diff --git a/core/templates/vset.h b/core/templates/vset.h
index 4c0b8717b69..f2ea5c814bb 100644
--- a/core/templates/vset.h
+++ b/core/templates/vset.h
@@ -40,7 +40,7 @@ class VSet {
 
 	_FORCE_INLINE_ int _find(const T &p_val, bool &r_exact) const {
 		r_exact = false;
-		if (_data.empty()) {
+		if (_data.is_empty()) {
 			return 0;
 		}
 
@@ -76,7 +76,7 @@ class VSet {
 	}
 
 	_FORCE_INLINE_ int _find_exact(const T &p_val) const {
-		if (_data.empty()) {
+		if (_data.is_empty()) {
 			return -1;
 		}
 
@@ -126,7 +126,7 @@ public:
 		return _find_exact(p_val);
 	}
 
-	_FORCE_INLINE_ bool empty() const { return _data.empty(); }
+	_FORCE_INLINE_ bool is_empty() const { return _data.is_empty(); }
 
 	_FORCE_INLINE_ int size() const { return _data.size(); }
 
diff --git a/core/variant/array.cpp b/core/variant/array.cpp
index 5043868b1d3..9b8ef24cb9d 100644
--- a/core/variant/array.cpp
+++ b/core/variant/array.cpp
@@ -86,8 +86,8 @@ int Array::size() const {
 	return _p->array.size();
 }
 
-bool Array::empty() const {
-	return _p->array.empty();
+bool Array::is_empty() const {
+	return _p->array.is_empty();
 }
 
 void Array::clear() {
@@ -318,7 +318,7 @@ Array Array::slice(int p_begin, int p_end, int p_step, bool p_deep) const { // l
 
 	ERR_FAIL_COND_V_MSG(p_step == 0, new_arr, "Array slice step size cannot be zero.");
 
-	if (empty()) { // Don't try to slice empty arrays.
+	if (is_empty()) { // Don't try to slice empty arrays.
 		return new_arr;
 	}
 	if (p_step > 0) {
@@ -459,7 +459,7 @@ void Array::push_front(const Variant &p_value) {
 }
 
 Variant Array::pop_back() {
-	if (!_p->array.empty()) {
+	if (!_p->array.is_empty()) {
 		int n = _p->array.size() - 1;
 		Variant ret = _p->array.get(n);
 		_p->array.resize(n);
@@ -469,7 +469,7 @@ Variant Array::pop_back() {
 }
 
 Variant Array::pop_front() {
-	if (!_p->array.empty()) {
+	if (!_p->array.is_empty()) {
 		Variant ret = _p->array.get(0);
 		_p->array.remove(0);
 		return ret;
diff --git a/core/variant/array.h b/core/variant/array.h
index e01ac13168d..6d21446b07a 100644
--- a/core/variant/array.h
+++ b/core/variant/array.h
@@ -57,7 +57,7 @@ public:
 	const Variant &get(int p_idx) const;
 
 	int size() const;
-	bool empty() const;
+	bool is_empty() const;
 	void clear();
 
 	bool operator==(const Array &p_array) const;
diff --git a/core/variant/dictionary.cpp b/core/variant/dictionary.cpp
index 2bc1f7a86de..aff3f1326ae 100644
--- a/core/variant/dictionary.cpp
+++ b/core/variant/dictionary.cpp
@@ -40,7 +40,7 @@ struct DictionaryPrivate {
 };
 
 void Dictionary::get_key_list(List<Variant> *p_keys) const {
-	if (_p->variant_map.empty()) {
+	if (_p->variant_map.is_empty()) {
 		return;
 	}
 
@@ -121,7 +121,7 @@ int Dictionary::size() const {
 	return _p->variant_map.size();
 }
 
-bool Dictionary::empty() const {
+bool Dictionary::is_empty() const {
 	return !_p->variant_map.size();
 }
 
@@ -192,7 +192,7 @@ uint32_t Dictionary::hash() const {
 
 Array Dictionary::keys() const {
 	Array varr;
-	if (_p->variant_map.empty()) {
+	if (_p->variant_map.is_empty()) {
 		return varr;
 	}
 
@@ -209,7 +209,7 @@ Array Dictionary::keys() const {
 
 Array Dictionary::values() const {
 	Array varr;
-	if (_p->variant_map.empty()) {
+	if (_p->variant_map.is_empty()) {
 		return varr;
 	}
 
diff --git a/core/variant/dictionary.h b/core/variant/dictionary.h
index bbe94122adb..8bc559a73d2 100644
--- a/core/variant/dictionary.h
+++ b/core/variant/dictionary.h
@@ -60,7 +60,7 @@ public:
 	Variant get(const Variant &p_key, const Variant &p_default) const;
 
 	int size() const;
-	bool empty() const;
+	bool is_empty() const;
 	void clear();
 
 	bool has(const Variant &p_key) const;
diff --git a/core/variant/variant.cpp b/core/variant/variant.cpp
index 9eb512f71da..8e14886e387 100644
--- a/core/variant/variant.cpp
+++ b/core/variant/variant.cpp
@@ -912,11 +912,11 @@ bool Variant::is_zero() const {
 
 		} break;
 		case DICTIONARY: {
-			return reinterpret_cast<const Dictionary *>(_data._mem)->empty();
+			return reinterpret_cast<const Dictionary *>(_data._mem)->is_empty();
 
 		} break;
 		case ARRAY: {
-			return reinterpret_cast<const Array *>(_data._mem)->empty();
+			return reinterpret_cast<const Array *>(_data._mem)->is_empty();
 
 		} break;
 
diff --git a/core/variant/variant_call.cpp b/core/variant/variant_call.cpp
index 854c0c01ef8..2b6364786e1 100644
--- a/core/variant/variant_call.cpp
+++ b/core/variant/variant_call.cpp
@@ -940,7 +940,7 @@ static void _register_variant_builtin_methods() {
 	bind_method(String, md5_buffer, sarray(), varray());
 	bind_method(String, sha1_buffer, sarray(), varray());
 	bind_method(String, sha256_buffer, sarray(), varray());
-	bind_method(String, empty, sarray(), varray());
+	bind_method(String, is_empty, sarray(), varray());
 	// FIXME: Static function, not sure how to bind
 	//bind_method(String, humanize_size, sarray("size"), varray());
 
@@ -1269,7 +1269,7 @@ static void _register_variant_builtin_methods() {
 	/* Dictionary */
 
 	bind_method(Dictionary, size, sarray(), varray());
-	bind_method(Dictionary, empty, sarray(), varray());
+	bind_method(Dictionary, is_empty, sarray(), varray());
 	bind_method(Dictionary, clear, sarray(), varray());
 	bind_method(Dictionary, has, sarray("key"), varray());
 	bind_method(Dictionary, has_all, sarray("keys"), varray());
@@ -1283,7 +1283,7 @@ static void _register_variant_builtin_methods() {
 	/* Array */
 
 	bind_method(Array, size, sarray(), varray());
-	bind_method(Array, empty, sarray(), varray());
+	bind_method(Array, is_empty, sarray(), varray());
 	bind_method(Array, clear, sarray(), varray());
 	bind_method(Array, hash, sarray(), varray());
 	bind_method(Array, push_back, sarray("value"), varray());
@@ -1316,7 +1316,7 @@ static void _register_variant_builtin_methods() {
 
 	/* Byte Array */
 	bind_method(PackedByteArray, size, sarray(), varray());
-	bind_method(PackedByteArray, empty, sarray(), varray());
+	bind_method(PackedByteArray, is_empty, sarray(), varray());
 	bind_method(PackedByteArray, set, sarray("index", "value"), varray());
 	bind_method(PackedByteArray, push_back, sarray("value"), varray());
 	bind_method(PackedByteArray, append, sarray("value"), varray());
@@ -1342,7 +1342,7 @@ static void _register_variant_builtin_methods() {
 	/* Int32 Array */
 
 	bind_method(PackedInt32Array, size, sarray(), varray());
-	bind_method(PackedInt32Array, empty, sarray(), varray());
+	bind_method(PackedInt32Array, is_empty, sarray(), varray());
 	bind_method(PackedInt32Array, set, sarray("index", "value"), varray());
 	bind_method(PackedInt32Array, push_back, sarray("value"), varray());
 	bind_method(PackedInt32Array, append, sarray("value"), varray());
@@ -1360,7 +1360,7 @@ static void _register_variant_builtin_methods() {
 	/* Int64 Array */
 
 	bind_method(PackedInt64Array, size, sarray(), varray());
-	bind_method(PackedInt64Array, empty, sarray(), varray());
+	bind_method(PackedInt64Array, is_empty, sarray(), varray());
 	bind_method(PackedInt64Array, set, sarray("index", "value"), varray());
 	bind_method(PackedInt64Array, push_back, sarray("value"), varray());
 	bind_method(PackedInt64Array, append, sarray("value"), varray());
@@ -1378,7 +1378,7 @@ static void _register_variant_builtin_methods() {
 	/* Float32 Array */
 
 	bind_method(PackedFloat32Array, size, sarray(), varray());
-	bind_method(PackedFloat32Array, empty, sarray(), varray());
+	bind_method(PackedFloat32Array, is_empty, sarray(), varray());
 	bind_method(PackedFloat32Array, set, sarray("index", "value"), varray());
 	bind_method(PackedFloat32Array, push_back, sarray("value"), varray());
 	bind_method(PackedFloat32Array, append, sarray("value"), varray());
@@ -1396,7 +1396,7 @@ static void _register_variant_builtin_methods() {
 	/* Float64 Array */
 
 	bind_method(PackedFloat64Array, size, sarray(), varray());
-	bind_method(PackedFloat64Array, empty, sarray(), varray());
+	bind_method(PackedFloat64Array, is_empty, sarray(), varray());
 	bind_method(PackedFloat64Array, set, sarray("index", "value"), varray());
 	bind_method(PackedFloat64Array, push_back, sarray("value"), varray());
 	bind_method(PackedFloat64Array, append, sarray("value"), varray());
@@ -1414,7 +1414,7 @@ static void _register_variant_builtin_methods() {
 	/* String Array */
 
 	bind_method(PackedStringArray, size, sarray(), varray());
-	bind_method(PackedStringArray, empty, sarray(), varray());
+	bind_method(PackedStringArray, is_empty, sarray(), varray());
 	bind_method(PackedStringArray, set, sarray("index", "value"), varray());
 	bind_method(PackedStringArray, push_back, sarray("value"), varray());
 	bind_method(PackedStringArray, append, sarray("value"), varray());
@@ -1432,7 +1432,7 @@ static void _register_variant_builtin_methods() {
 	/* Vector2 Array */
 
 	bind_method(PackedVector2Array, size, sarray(), varray());
-	bind_method(PackedVector2Array, empty, sarray(), varray());
+	bind_method(PackedVector2Array, is_empty, sarray(), varray());
 	bind_method(PackedVector2Array, set, sarray("index", "value"), varray());
 	bind_method(PackedVector2Array, push_back, sarray("value"), varray());
 	bind_method(PackedVector2Array, append, sarray("value"), varray());
@@ -1450,7 +1450,7 @@ static void _register_variant_builtin_methods() {
 	/* Vector3 Array */
 
 	bind_method(PackedVector3Array, size, sarray(), varray());
-	bind_method(PackedVector3Array, empty, sarray(), varray());
+	bind_method(PackedVector3Array, is_empty, sarray(), varray());
 	bind_method(PackedVector3Array, set, sarray("index", "value"), varray());
 	bind_method(PackedVector3Array, push_back, sarray("value"), varray());
 	bind_method(PackedVector3Array, append, sarray("value"), varray());
@@ -1468,7 +1468,7 @@ static void _register_variant_builtin_methods() {
 	/* Color Array */
 
 	bind_method(PackedColorArray, size, sarray(), varray());
-	bind_method(PackedColorArray, empty, sarray(), varray());
+	bind_method(PackedColorArray, is_empty, sarray(), varray());
 	bind_method(PackedColorArray, set, sarray("index", "value"), varray());
 	bind_method(PackedColorArray, push_back, sarray("value"), varray());
 	bind_method(PackedColorArray, append, sarray("value"), varray());
diff --git a/core/variant/variant_setget.cpp b/core/variant/variant_setget.cpp
index dd3e70fc6a9..f099c768a08 100644
--- a/core/variant/variant_setget.cpp
+++ b/core/variant/variant_setget.cpp
@@ -1477,7 +1477,7 @@ bool Variant::iter_init(Variant &r_iter, bool &valid) const {
 
 		case STRING: {
 			const String *str = reinterpret_cast<const String *>(_data._mem);
-			if (str->empty()) {
+			if (str->is_empty()) {
 				return false;
 			}
 			r_iter = 0;
@@ -1485,7 +1485,7 @@ bool Variant::iter_init(Variant &r_iter, bool &valid) const {
 		} break;
 		case DICTIONARY: {
 			const Dictionary *dic = reinterpret_cast<const Dictionary *>(_data._mem);
-			if (dic->empty()) {
+			if (dic->is_empty()) {
 				return false;
 			}
 
@@ -1496,7 +1496,7 @@ bool Variant::iter_init(Variant &r_iter, bool &valid) const {
 		} break;
 		case ARRAY: {
 			const Array *arr = reinterpret_cast<const Array *>(_data._mem);
-			if (arr->empty()) {
+			if (arr->is_empty()) {
 				return false;
 			}
 			r_iter = 0;
diff --git a/doc/classes/Array.xml b/doc/classes/Array.xml
index 6a9eb89602d..e4f9dcf993e 100644
--- a/doc/classes/Array.xml
+++ b/doc/classes/Array.xml
@@ -228,7 +228,7 @@
 				If [code]deep[/code] is [code]true[/code], a deep copy is performed: all nested arrays and dictionaries are duplicated and will not be shared with the original array. If [code]false[/code], a shallow copy is made and references to the original nested arrays and dictionaries are kept, so that modifying a sub-array or dictionary in the copy will also impact those referenced in the source array.
 			</description>
 		</method>
-		<method name="empty">
+		<method name="is_empty">
 			<return type="bool">
 			</return>
 			<description>
diff --git a/doc/classes/Dictionary.xml b/doc/classes/Dictionary.xml
index cd0b5ac0278..2ca705cec78 100644
--- a/doc/classes/Dictionary.xml
+++ b/doc/classes/Dictionary.xml
@@ -215,7 +215,7 @@
 				Creates a copy of the dictionary, and returns it. The [code]deep[/code] parameter causes inner dictionaries and arrays to be copied recursively, but does not apply to objects.
 			</description>
 		</method>
-		<method name="empty">
+		<method name="is_empty">
 			<return type="bool">
 			</return>
 			<description>
diff --git a/doc/classes/PackedByteArray.xml b/doc/classes/PackedByteArray.xml
index 0cef26df796..b00c59ade9a 100644
--- a/doc/classes/PackedByteArray.xml
+++ b/doc/classes/PackedByteArray.xml
@@ -92,7 +92,7 @@
 				Creates a copy of the array, and returns it.
 			</description>
 		</method>
-		<method name="empty">
+		<method name="is_empty">
 			<return type="bool">
 			</return>
 			<description>
diff --git a/doc/classes/PackedColorArray.xml b/doc/classes/PackedColorArray.xml
index b45e2cbe2eb..d6cd5196e4e 100644
--- a/doc/classes/PackedColorArray.xml
+++ b/doc/classes/PackedColorArray.xml
@@ -59,7 +59,7 @@
 				Creates a copy of the array, and returns it.
 			</description>
 		</method>
-		<method name="empty">
+		<method name="is_empty">
 			<return type="bool">
 			</return>
 			<description>
diff --git a/doc/classes/PackedFloat32Array.xml b/doc/classes/PackedFloat32Array.xml
index d6825dbcd7c..52f6ece1585 100644
--- a/doc/classes/PackedFloat32Array.xml
+++ b/doc/classes/PackedFloat32Array.xml
@@ -60,7 +60,7 @@
 				Creates a copy of the array, and returns it.
 			</description>
 		</method>
-		<method name="empty">
+		<method name="is_empty">
 			<return type="bool">
 			</return>
 			<description>
diff --git a/doc/classes/PackedFloat64Array.xml b/doc/classes/PackedFloat64Array.xml
index 9b6df93cf5c..2f317d4b8ce 100644
--- a/doc/classes/PackedFloat64Array.xml
+++ b/doc/classes/PackedFloat64Array.xml
@@ -60,7 +60,7 @@
 				Creates a copy of the array, and returns it.
 			</description>
 		</method>
-		<method name="empty">
+		<method name="is_empty">
 			<return type="bool">
 			</return>
 			<description>
diff --git a/doc/classes/PackedInt32Array.xml b/doc/classes/PackedInt32Array.xml
index 7923b268a4c..bda902b15f8 100644
--- a/doc/classes/PackedInt32Array.xml
+++ b/doc/classes/PackedInt32Array.xml
@@ -60,7 +60,7 @@
 				Creates a copy of the array, and returns it.
 			</description>
 		</method>
-		<method name="empty">
+		<method name="is_empty">
 			<return type="bool">
 			</return>
 			<description>
diff --git a/doc/classes/PackedInt64Array.xml b/doc/classes/PackedInt64Array.xml
index f7e91284109..9c52ec808bd 100644
--- a/doc/classes/PackedInt64Array.xml
+++ b/doc/classes/PackedInt64Array.xml
@@ -60,7 +60,7 @@
 				Creates a copy of the array, and returns it.
 			</description>
 		</method>
-		<method name="empty">
+		<method name="is_empty">
 			<return type="bool">
 			</return>
 			<description>
diff --git a/doc/classes/PackedStringArray.xml b/doc/classes/PackedStringArray.xml
index 1ae0d55177b..24406c53d4b 100644
--- a/doc/classes/PackedStringArray.xml
+++ b/doc/classes/PackedStringArray.xml
@@ -60,7 +60,7 @@
 				Creates a copy of the array, and returns it.
 			</description>
 		</method>
-		<method name="empty">
+		<method name="is_empty">
 			<return type="bool">
 			</return>
 			<description>
diff --git a/doc/classes/PackedVector2Array.xml b/doc/classes/PackedVector2Array.xml
index 9ab3a03edb9..2f583e2b9bb 100644
--- a/doc/classes/PackedVector2Array.xml
+++ b/doc/classes/PackedVector2Array.xml
@@ -60,7 +60,7 @@
 				Creates a copy of the array, and returns it.
 			</description>
 		</method>
-		<method name="empty">
+		<method name="is_empty">
 			<return type="bool">
 			</return>
 			<description>
diff --git a/doc/classes/PackedVector3Array.xml b/doc/classes/PackedVector3Array.xml
index 80787547ac0..6004454dc97 100644
--- a/doc/classes/PackedVector3Array.xml
+++ b/doc/classes/PackedVector3Array.xml
@@ -59,7 +59,7 @@
 				Creates a copy of the array, and returns it.
 			</description>
 		</method>
-		<method name="empty">
+		<method name="is_empty">
 			<return type="bool">
 			</return>
 			<description>
diff --git a/doc/classes/String.xml b/doc/classes/String.xml
index 4ee9dbf1f95..cbaf1196e30 100644
--- a/doc/classes/String.xml
+++ b/doc/classes/String.xml
@@ -135,7 +135,7 @@
 				Returns a copy of the string with indentation (leading tabs and spaces) removed.
 			</description>
 		</method>
-		<method name="empty">
+		<method name="is_empty">
 			<return type="bool">
 			</return>
 			<description>
diff --git a/drivers/vulkan/rendering_device_vulkan.cpp b/drivers/vulkan/rendering_device_vulkan.cpp
index 03216c667eb..2c927072708 100644
--- a/drivers/vulkan/rendering_device_vulkan.cpp
+++ b/drivers/vulkan/rendering_device_vulkan.cpp
@@ -4577,7 +4577,7 @@ void RenderingDeviceVulkan::_descriptor_pool_free(const DescriptorPoolKey &p_key
 		vkDestroyDescriptorPool(device, p_pool->pool, nullptr);
 		descriptor_pools[p_key].erase(p_pool);
 		memdelete(p_pool);
-		if (descriptor_pools[p_key].empty()) {
+		if (descriptor_pools[p_key].is_empty()) {
 			descriptor_pools.erase(p_key);
 		}
 	}
diff --git a/editor/animation_track_editor.cpp b/editor/animation_track_editor.cpp
index 9b2cc686e3a..9a2d7b1e6d2 100644
--- a/editor/animation_track_editor.cpp
+++ b/editor/animation_track_editor.cpp
@@ -3779,7 +3779,7 @@ PropertyInfo AnimationTrackEditor::_find_hint_for_track(int p_idx, NodePath &r_b
 		r_base_path = node->get_path();
 	}
 
-	if (leftover_path.empty()) {
+	if (leftover_path.is_empty()) {
 		if (r_current_val) {
 			if (res.is_valid()) {
 				*r_current_val = res;
@@ -4080,8 +4080,8 @@ void AnimationTrackEditor::_update_tracks() {
 					object = res.ptr();
 				}
 
-				if (object && !leftover_path.empty()) {
-					if (pinfo.name.empty()) {
+				if (object && !leftover_path.is_empty()) {
+					if (pinfo.name.is_empty()) {
 						pinfo.name = leftover_path[leftover_path.size() - 1];
 					}
 
@@ -5285,7 +5285,7 @@ void AnimationTrackEditor::_edit_menu_pressed(int p_option) {
 			scale_dialog->popup_centered(Size2(200, 100) * EDSCALE);
 		} break;
 		case EDIT_SCALE_CONFIRM: {
-			if (selection.empty()) {
+			if (selection.is_empty()) {
 				return;
 			}
 
diff --git a/editor/array_property_edit.cpp b/editor/array_property_edit.cpp
index 0b6b1ef6a71..25a67d00410 100644
--- a/editor/array_property_edit.cpp
+++ b/editor/array_property_edit.cpp
@@ -259,7 +259,7 @@ void ArrayPropertyEdit::edit(Object *p_obj, const StringName &p_prop, const Stri
 	obj = p_obj->get_instance_id();
 	default_type = p_deftype;
 
-	if (!p_hint_string.empty()) {
+	if (!p_hint_string.is_empty()) {
 		int hint_subtype_separator = p_hint_string.find(":");
 		if (hint_subtype_separator >= 0) {
 			String subtype_string = p_hint_string.substr(0, hint_subtype_separator);
diff --git a/editor/code_editor.cpp b/editor/code_editor.cpp
index bca2979e72d..a634b873662 100644
--- a/editor/code_editor.cpp
+++ b/editor/code_editor.cpp
@@ -325,7 +325,7 @@ void FindReplaceBar::_update_results_count() {
 	results_count = 0;
 
 	String searched = get_search_text();
-	if (searched.empty()) {
+	if (searched.is_empty()) {
 		return;
 	}
 
@@ -356,7 +356,7 @@ void FindReplaceBar::_update_results_count() {
 }
 
 void FindReplaceBar::_update_matches_label() {
-	if (search_text->get_text().empty() || results_count == -1) {
+	if (search_text->get_text().is_empty() || results_count == -1) {
 		matches_label->hide();
 	} else {
 		matches_label->show();
@@ -483,7 +483,7 @@ void FindReplaceBar::_show_search(bool p_focus_replace, bool p_show_only) {
 		search_text->set_text(text_editor->get_selection_text());
 	}
 
-	if (!get_search_text().empty()) {
+	if (!get_search_text().is_empty()) {
 		if (p_focus_replace) {
 			replace_text->select_all();
 			replace_text->set_cursor_position(replace_text->get_text().length());
@@ -1309,7 +1309,7 @@ void CodeTextEditor::toggle_inline_comment(const String &delimiter) {
 		for (int i = begin; i <= end; i++) {
 			String line_text = text_editor->get_line(i);
 
-			if (line_text.strip_edges().empty()) {
+			if (line_text.strip_edges().is_empty()) {
 				line_text = delimiter;
 			} else {
 				if (is_commented) {
diff --git a/editor/connections_dialog.cpp b/editor/connections_dialog.cpp
index 473597b9b37..c4ab226b286 100644
--- a/editor/connections_dialog.cpp
+++ b/editor/connections_dialog.cpp
@@ -1008,7 +1008,7 @@ void ConnectionsDock::update_tree() {
 								break;
 							}
 						}
-						if (!F->get().inherits.empty()) {
+						if (!F->get().inherits.is_empty()) {
 							F = dd->class_list.find(F->get().inherits);
 						} else {
 							break;
diff --git a/editor/debugger/editor_debugger_node.cpp b/editor/debugger/editor_debugger_node.cpp
index 118b8f9f2e9..5b2dc3fc32c 100644
--- a/editor/debugger/editor_debugger_node.cpp
+++ b/editor/debugger/editor_debugger_node.cpp
@@ -115,7 +115,7 @@ ScriptEditorDebugger *EditorDebuggerNode::_add_debugger() {
 		tabs->add_theme_style_override("panel", EditorNode::get_singleton()->get_gui_base()->get_theme_stylebox("DebuggerPanel", "EditorStyles"));
 	}
 
-	if (!debugger_plugins.empty()) {
+	if (!debugger_plugins.is_empty()) {
 		for (Set<Ref<Script>>::Element *i = debugger_plugins.front(); i; i = i->next()) {
 			node->add_debugger_plugin(i->get());
 		}
@@ -140,7 +140,7 @@ void EditorDebuggerNode::_error_selected(const String &p_file, int p_line, int p
 
 void EditorDebuggerNode::_text_editor_stack_goto(const ScriptEditorDebugger *p_debugger) {
 	const String file = p_debugger->get_stack_script_file();
-	if (file.empty()) {
+	if (file.is_empty()) {
 		return;
 	}
 	stack_script = ResourceLoader::load(file);
diff --git a/editor/debugger/editor_debugger_tree.cpp b/editor/debugger/editor_debugger_tree.cpp
index ebac9b34823..e36f11ae1d7 100644
--- a/editor/debugger/editor_debugger_tree.cpp
+++ b/editor/debugger/editor_debugger_tree.cpp
@@ -242,7 +242,7 @@ void EditorDebuggerTree::_item_menu_id_pressed(int p_option) {
 		} break;
 		case ITEM_MENU_COPY_NODE_PATH: {
 			String text = get_selected_path();
-			if (text.empty()) {
+			if (text.is_empty()) {
 				return;
 			} else if (text == "/root") {
 				text = ".";
diff --git a/editor/debugger/editor_performance_profiler.cpp b/editor/debugger/editor_performance_profiler.cpp
index 2068d42eb79..f73165881ca 100644
--- a/editor/debugger/editor_performance_profiler.cpp
+++ b/editor/debugger/editor_performance_profiler.cpp
@@ -102,7 +102,7 @@ void EditorPerformanceProfiler::_monitor_draw() {
 		}
 	}
 
-	if (active.empty()) {
+	if (active.is_empty()) {
 		info_message->show();
 		return;
 	}
@@ -217,7 +217,7 @@ void EditorPerformanceProfiler::_build_monitor_tree() {
 		TreeItem *item = _create_monitor_item(i.value().name, base);
 		item->set_checked(0, monitor_checked.has(i.key()));
 		i.value().item = item;
-		if (!i.value().history.empty()) {
+		if (!i.value().history.is_empty()) {
 			i.value().update_value(i.value().history.front()->get());
 		}
 	}
diff --git a/editor/debugger/editor_profiler.cpp b/editor/debugger/editor_profiler.cpp
index 930aca6e5a6..4871c35ea43 100644
--- a/editor/debugger/editor_profiler.cpp
+++ b/editor/debugger/editor_profiler.cpp
@@ -596,7 +596,7 @@ bool EditorProfiler::is_profiling() {
 Vector<Vector<String>> EditorProfiler::get_data_as_csv() const {
 	Vector<Vector<String>> res;
 
-	if (frame_metrics.empty()) {
+	if (frame_metrics.is_empty()) {
 		return res;
 	}
 
diff --git a/editor/debugger/script_editor_debugger.cpp b/editor/debugger/script_editor_debugger.cpp
index fd33115cda7..80d79349388 100644
--- a/editor/debugger/script_editor_debugger.cpp
+++ b/editor/debugger/script_editor_debugger.cpp
@@ -490,17 +490,17 @@ void ScriptEditorDebugger::_parse_message(const String &p_msg, const Array &p_da
 		if (oe.callstack.size() > 0) {
 			// If available, use the script's stack in the error title.
 			error_title = oe.callstack[oe.callstack.size() - 1].func + ": ";
-		} else if (!oe.source_func.empty()) {
+		} else if (!oe.source_func.is_empty()) {
 			// Otherwise try to use the C++ source function.
 			error_title += oe.source_func + ": ";
 		}
 		// If we have a (custom) error message, use it as title, and add a C++ Error
 		// item with the original error condition.
-		error_title += oe.error_descr.empty() ? oe.error : oe.error_descr;
+		error_title += oe.error_descr.is_empty() ? oe.error : oe.error_descr;
 		error->set_text(1, error_title);
 		tooltip += " " + error_title + "\n";
 
-		if (!oe.error_descr.empty()) {
+		if (!oe.error_descr.is_empty()) {
 			// Add item for C++ error condition.
 			TreeItem *cpp_cond = error_tree->create_item(error);
 			cpp_cond->set_text(0, "<" + TTR("C++ Error") + ">");
@@ -516,7 +516,7 @@ void ScriptEditorDebugger::_parse_message(const String &p_msg, const Array &p_da
 
 		// Source of the error.
 		String source_txt = (source_is_project_file ? oe.source_file.get_file() : oe.source_file) + ":" + itos(oe.source_line);
-		if (!oe.source_func.empty()) {
+		if (!oe.source_func.is_empty()) {
 			source_txt += " @ " + oe.source_func + "()";
 		}
 
diff --git a/editor/dependency_editor.cpp b/editor/dependency_editor.cpp
index a27f196d498..208d390134e 100644
--- a/editor/dependency_editor.cpp
+++ b/editor/dependency_editor.cpp
@@ -448,7 +448,7 @@ void DependencyRemoveDialog::show(const Vector<String> &p_folders, const Vector<
 	Vector<RemovedDependency> removed_deps;
 	_find_all_removed_dependencies(EditorFileSystem::get_singleton()->get_filesystem(), removed_deps);
 	removed_deps.sort();
-	if (removed_deps.empty()) {
+	if (removed_deps.is_empty()) {
 		owners->hide();
 		text->set_text(TTR("Remove selected files from the project? (no undo)\nYou can find the removed files in the system trash to restore them."));
 		set_size(Size2());
@@ -639,7 +639,7 @@ void OrphanResourcesDialog::ok_pressed() {
 	paths.clear();
 
 	_find_to_delete(files->get_root(), paths);
-	if (paths.empty()) {
+	if (paths.is_empty()) {
 		return;
 	}
 
diff --git a/editor/dependency_editor.h b/editor/dependency_editor.h
index 5d2ae582e6a..008194bbd63 100644
--- a/editor/dependency_editor.h
+++ b/editor/dependency_editor.h
@@ -111,8 +111,8 @@ class DependencyRemoveDialog : public ConfirmationDialog {
 		String dependency_folder;
 
 		bool operator<(const RemovedDependency &p_other) const {
-			if (dependency_folder.empty() != p_other.dependency_folder.empty()) {
-				return p_other.dependency_folder.empty();
+			if (dependency_folder.is_empty() != p_other.dependency_folder.is_empty()) {
+				return p_other.dependency_folder.is_empty();
 			} else {
 				return dependency < p_other.dependency;
 			}
diff --git a/editor/doc_tools.cpp b/editor/doc_tools.cpp
index 5ee9abb1838..c21c957799d 100644
--- a/editor/doc_tools.cpp
+++ b/editor/doc_tools.cpp
@@ -813,7 +813,7 @@ void DocTools::generate(bool p_basic_types) {
 			}
 
 			// Skip adding the lang if it doesn't expose anything (e.g. C#).
-			if (c.methods.empty() && c.constants.empty()) {
+			if (c.methods.is_empty() && c.constants.is_empty()) {
 				continue;
 			}
 
@@ -1165,7 +1165,7 @@ Error DocTools::save_classes(const String &p_default_path, const Map<String, Str
 		_write_string(f, 1, "<tutorials>");
 		for (int i = 0; i < c.tutorials.size(); i++) {
 			DocData::TutorialDoc tutorial = c.tutorials.get(i);
-			String title_attribute = (!tutorial.title.empty()) ? " title=\"" + tutorial.title.xml_escape() + "\"" : "";
+			String title_attribute = (!tutorial.title.is_empty()) ? " title=\"" + tutorial.title.xml_escape() + "\"" : "";
 			_write_string(f, 2, "<link" + title_attribute + ">" + tutorial.link.xml_escape() + "</link>");
 		}
 		_write_string(f, 1, "</tutorials>");
diff --git a/editor/editor_autoload_settings.cpp b/editor/editor_autoload_settings.cpp
index 22514405440..5f429e70346 100644
--- a/editor/editor_autoload_settings.cpp
+++ b/editor/editor_autoload_settings.cpp
@@ -402,7 +402,7 @@ void EditorAutoloadSettings::update_autoload() {
 		String name = pi.name.get_slice("/", 1);
 		String path = ProjectSettings::get_singleton()->get(pi.name);
 
-		if (name.empty()) {
+		if (name.is_empty()) {
 			continue;
 		}
 
@@ -774,7 +774,7 @@ EditorAutoloadSettings::EditorAutoloadSettings() {
 		String name = pi.name.get_slice("/", 1);
 		String path = ProjectSettings::get_singleton()->get(pi.name);
 
-		if (name.empty()) {
+		if (name.is_empty()) {
 			continue;
 		}
 
diff --git a/editor/editor_data.cpp b/editor/editor_data.cpp
index eab1ecf373d..05c7b58c721 100644
--- a/editor/editor_data.cpp
+++ b/editor/editor_data.cpp
@@ -331,7 +331,7 @@ Dictionary EditorData::get_editor_states() const {
 	Dictionary metadata;
 	for (int i = 0; i < editor_plugins.size(); i++) {
 		Dictionary state = editor_plugins[i]->get_state();
-		if (state.empty()) {
+		if (state.is_empty()) {
 			continue;
 		}
 		metadata[editor_plugins[i]->get_name()] = state;
@@ -493,7 +493,7 @@ void EditorData::remove_custom_type(const String &p_type) {
 		for (int i = 0; i < E->get().size(); i++) {
 			if (E->get()[i].name == p_type) {
 				E->get().remove(i);
-				if (E->get().empty()) {
+				if (E->get().is_empty()) {
 					custom_types.erase(E->key());
 				}
 				return;
@@ -901,7 +901,7 @@ String EditorData::script_class_get_icon_path(const String &p_class) const {
 
 	String current = p_class;
 	String ret = _script_class_icon_paths[current];
-	while (ret.empty()) {
+	while (ret.is_empty()) {
 		current = script_class_get_base(current);
 		if (!ScriptServer::is_global_class(current)) {
 			return String();
@@ -931,7 +931,7 @@ void EditorData::script_class_save_icon_paths() {
 		}
 	}
 
-	if (d.empty()) {
+	if (d.is_empty()) {
 		if (ProjectSettings::get_singleton()->has_setting("_global_script_class_icons")) {
 			ProjectSettings::get_singleton()->clear("_global_script_class_icons");
 		}
@@ -1125,7 +1125,7 @@ List<Node *> EditorSelection::get_full_selected_node_list() {
 }
 
 void EditorSelection::clear() {
-	while (!selection.empty()) {
+	while (!selection.is_empty()) {
 		remove_node(selection.front()->key());
 	}
 
diff --git a/editor/editor_export.cpp b/editor/editor_export.cpp
index 07318c14bc6..a0876ffa3d3 100644
--- a/editor/editor_export.cpp
+++ b/editor/editor_export.cpp
@@ -521,7 +521,7 @@ void EditorExportPlatform::_edit_filter_list(Set<String> &r_list, const String &
 	Vector<String> filters;
 	for (int i = 0; i < split.size(); i++) {
 		String f = split[i].strip_edges();
-		if (f.empty()) {
+		if (f.is_empty()) {
 			continue;
 		}
 		filters.push_back(f);
@@ -754,7 +754,7 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
 		Vector<String> enc_in_split = p_preset->get_enc_in_filter().split(",");
 		for (int i = 0; i < enc_in_split.size(); i++) {
 			String f = enc_in_split[i].strip_edges();
-			if (f.empty()) {
+			if (f.is_empty()) {
 				continue;
 			}
 			enc_in_filters.push_back(f);
@@ -763,7 +763,7 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
 		Vector<String> enc_ex_split = p_preset->get_enc_ex_filter().split(",");
 		for (int i = 0; i < enc_ex_split.size(); i++) {
 			String f = enc_ex_split[i].strip_edges();
-			if (f.empty()) {
+			if (f.is_empty()) {
 				continue;
 			}
 			enc_ex_filters.push_back(f);
@@ -1696,7 +1696,7 @@ bool EditorExportPlatformPC::can_export(const Ref<EditorExportPreset> &p_preset,
 	valid = dvalid || rvalid;
 	r_missing_templates = !valid;
 
-	if (!err.empty()) {
+	if (!err.is_empty()) {
 		r_error = err;
 	}
 	return valid;
@@ -1783,7 +1783,7 @@ Error EditorExportPlatformPC::export_project(const Ref<EditorExportPreset> &p_pr
 			}
 		}
 
-		if (err == OK && !so_files.empty()) {
+		if (err == OK && !so_files.is_empty()) {
 			//if shared object files, copy them
 			da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
 			for (int i = 0; i < so_files.size() && err == OK; i++) {
diff --git a/editor/editor_feature_profile.cpp b/editor/editor_feature_profile.cpp
index ecb659e7d3d..280c13ec9d5 100644
--- a/editor/editor_feature_profile.cpp
+++ b/editor/editor_feature_profile.cpp
@@ -96,7 +96,7 @@ void EditorFeatureProfile::set_disable_class_property(const StringName &p_class,
 	} else {
 		ERR_FAIL_COND(!disabled_properties.has(p_class));
 		disabled_properties[p_class].erase(p_property);
-		if (disabled_properties[p_class].empty()) {
+		if (disabled_properties[p_class].is_empty()) {
 			disabled_properties.erase(p_class);
 		}
 	}
diff --git a/editor/editor_file_dialog.cpp b/editor/editor_file_dialog.cpp
index 8ded47605c4..0719d3f0189 100644
--- a/editor/editor_file_dialog.cpp
+++ b/editor/editor_file_dialog.cpp
@@ -758,7 +758,7 @@ void EditorFileDialog::update_file_list() {
 	dirs.sort_custom<NaturalNoCaseComparator>();
 	files.sort_custom<NaturalNoCaseComparator>();
 
-	while (!dirs.empty()) {
+	while (!dirs.is_empty()) {
 		const String &dir_name = dirs.front()->get();
 
 		item_list->add_item(dir_name);
@@ -806,8 +806,8 @@ void EditorFileDialog::update_file_list() {
 		}
 	}
 
-	while (!files.empty()) {
-		bool match = patterns.empty();
+	while (!files.is_empty()) {
+		bool match = patterns.is_empty();
 
 		for (List<String>::Element *E = patterns.front(); E; E = E->next()) {
 			if (files.front()->get().matchn(E->get())) {
diff --git a/editor/editor_help.cpp b/editor/editor_help.cpp
index 1592549e0c9..5eff0f2e4a5 100644
--- a/editor/editor_help.cpp
+++ b/editor/editor_help.cpp
@@ -167,12 +167,12 @@ void EditorHelp::_class_desc_resized() {
 
 void EditorHelp::_add_type(const String &p_type, const String &p_enum) {
 	String t = p_type;
-	if (t.empty()) {
+	if (t.is_empty()) {
 		t = "void";
 	}
-	bool can_ref = (t != "void") || !p_enum.empty();
+	bool can_ref = (t != "void") || !p_enum.is_empty();
 
-	if (!p_enum.empty()) {
+	if (!p_enum.is_empty()) {
 		if (p_enum.get_slice_count(".") > 1) {
 			t = p_enum.get_slice(".", 1);
 		} else {
@@ -188,7 +188,7 @@ void EditorHelp::_add_type(const String &p_type, const String &p_enum) {
 			add_array = true;
 			t = t.replace("[]", "");
 		}
-		if (p_enum.empty()) {
+		if (p_enum.is_empty()) {
 			class_desc->push_meta("#" + t); //class
 		} else {
 			class_desc->push_meta("$" + p_enum); //class
@@ -472,7 +472,7 @@ void EditorHelp::_update_doc() {
 
 		for (int i = 0; i < cd.tutorials.size(); i++) {
 			const String link = DTR(cd.tutorials[i].link);
-			String linktxt = (cd.tutorials[i].title.empty()) ? link : DTR(cd.tutorials[i].title);
+			String linktxt = (cd.tutorials[i].title.is_empty()) ? link : DTR(cd.tutorials[i].title);
 			const int seppos = linktxt.find("//");
 			if (seppos != -1) {
 				linktxt = link.right(seppos + 2);
@@ -498,7 +498,7 @@ void EditorHelp::_update_doc() {
 	if (cd.is_script_doc) {
 		has_properties = false;
 		for (int i = 0; i < cd.properties.size(); i++) {
-			if (cd.properties[i].name.begins_with("_") && cd.properties[i].description.empty()) {
+			if (cd.properties[i].name.begins_with("_") && cd.properties[i].description.is_empty()) {
 				continue;
 			}
 			has_properties = true;
@@ -522,7 +522,7 @@ void EditorHelp::_update_doc() {
 
 		for (int i = 0; i < cd.properties.size(); i++) {
 			// Ignore undocumented private.
-			if (cd.properties[i].name.begins_with("_") && cd.properties[i].description.empty()) {
+			if (cd.properties[i].name.begins_with("_") && cd.properties[i].description.is_empty()) {
 				continue;
 			}
 			property_line[cd.properties[i].name] = class_desc->get_line_count() - 2; //gets overridden if description
@@ -633,7 +633,7 @@ void EditorHelp::_update_doc() {
 			}
 		}
 		// Ignore undocumented private.
-		if (cd.methods[i].name.begins_with("_") && cd.methods[i].description.empty()) {
+		if (cd.methods[i].name.begins_with("_") && cd.methods[i].description.is_empty()) {
 			continue;
 		}
 		methods.push_back(cd.methods[i]);
@@ -668,7 +668,7 @@ void EditorHelp::_update_doc() {
 				}
 			}
 
-			if (any_previous && !m.empty()) {
+			if (any_previous && !m.is_empty()) {
 				class_desc->push_cell();
 				class_desc->pop(); //cell
 				class_desc->push_cell();
@@ -702,7 +702,7 @@ void EditorHelp::_update_doc() {
 				_add_method(m[i], true);
 			}
 
-			any_previous = !m.empty();
+			any_previous = !m.is_empty();
 		}
 
 		class_desc->pop(); //table
@@ -848,7 +848,7 @@ void EditorHelp::_update_doc() {
 		Vector<DocData::ConstantDoc> constants;
 
 		for (int i = 0; i < cd.constants.size(); i++) {
-			if (!cd.constants[i].enumeration.empty()) {
+			if (!cd.constants[i].enumeration.is_empty()) {
 				if (!enums.has(cd.constants[i].enumeration)) {
 					enums[cd.constants[i].enumeration] = Vector<DocData::ConstantDoc>();
 				}
@@ -856,7 +856,7 @@ void EditorHelp::_update_doc() {
 				enums[cd.constants[i].enumeration].push_back(cd.constants[i]);
 			} else {
 				// Ignore undocumented private.
-				if (cd.constants[i].name.begins_with("_") && cd.constants[i].description.empty()) {
+				if (cd.constants[i].name.begins_with("_") && cd.constants[i].description.is_empty()) {
 					continue;
 				}
 				constants.push_back(cd.constants[i]);
@@ -1174,7 +1174,7 @@ void EditorHelp::_update_doc() {
 			class_desc->push_color(text_color);
 			class_desc->push_font(doc_font);
 			class_desc->push_indent(1);
-			if (!cd.properties[i].description.strip_edges().empty()) {
+			if (!cd.properties[i].description.strip_edges().is_empty()) {
 				_add_text(DTR(cd.properties[i].description));
 			} else {
 				class_desc->add_image(get_theme_icon("Error", "EditorIcons"));
@@ -1229,7 +1229,7 @@ void EditorHelp::_update_doc() {
 				class_desc->push_color(text_color);
 				class_desc->push_font(doc_font);
 				class_desc->push_indent(1);
-				if (!methods_filtered[i].description.strip_edges().empty()) {
+				if (!methods_filtered[i].description.strip_edges().is_empty()) {
 					_add_text(DTR(methods_filtered[i].description));
 				} else {
 					class_desc->add_image(get_theme_icon("Error", "EditorIcons"));
@@ -1838,7 +1838,7 @@ void FindBar::popup_search() {
 		grabbed_focus = true;
 	}
 
-	if (!search_text->get_text().empty()) {
+	if (!search_text->get_text().is_empty()) {
 		search_text->select_all();
 		search_text->set_cursor_position(search_text->get_text().length());
 		if (grabbed_focus) {
@@ -1908,7 +1908,7 @@ void FindBar::_update_results_count() {
 	results_count = 0;
 
 	String searched = search_text->get_text();
-	if (searched.empty()) {
+	if (searched.is_empty()) {
 		return;
 	}
 
@@ -1928,7 +1928,7 @@ void FindBar::_update_results_count() {
 }
 
 void FindBar::_update_matches_label() {
-	if (search_text->get_text().empty() || results_count == -1) {
+	if (search_text->get_text().is_empty() || results_count == -1) {
 		matches_label->hide();
 	} else {
 		matches_label->show();
diff --git a/editor/editor_inspector.cpp b/editor/editor_inspector.cpp
index a36b5f5a6a2..4d975512d4e 100644
--- a/editor/editor_inspector.cpp
+++ b/editor/editor_inspector.cpp
@@ -865,7 +865,7 @@ Control *EditorProperty::make_custom_tooltip(const String &p_text) const {
 
 	String text;
 	PackedStringArray slices = p_text.split("::", false);
-	if (!slices.empty()) {
+	if (!slices.is_empty()) {
 		String property_name = slices[0].strip_edges();
 		text = TTR("Property:") + " [u][b]" + property_name + "[/b][/u]";
 
@@ -1098,7 +1098,7 @@ Control *EditorInspectorCategory::make_custom_tooltip(const String &p_text) cons
 	help_bit->get_rich_text()->set_fixed_size_to_width(360 * EDSCALE);
 
 	PackedStringArray slices = p_text.split("::", false);
-	if (!slices.empty()) {
+	if (!slices.is_empty()) {
 		String property_name = slices[0].strip_edges();
 		String text = "[u][b]" + property_name + "[/b][/u]";
 
@@ -1901,7 +1901,7 @@ void EditorInspector::update_tree() {
 						}
 					}
 
-					if (!F->get().inherits.empty()) {
+					if (!F->get().inherits.is_empty()) {
 						F = dd->class_list.find(F->get().inherits);
 					} else {
 						break;
@@ -2525,7 +2525,7 @@ void EditorInspector::_update_script_class_properties(const Object &p_object, Li
 		script = script->get_base_script();
 	}
 
-	if (classes.empty()) {
+	if (classes.is_empty()) {
 		return;
 	}
 
diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index ca8b278ab83..d883b6c909f 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -377,9 +377,9 @@ void EditorNode::_version_control_menu_option(int p_idx) {
 
 void EditorNode::_update_title() {
 	String appname = ProjectSettings::get_singleton()->get("application/config/name");
-	String title = appname.empty() ? String(VERSION_FULL_NAME) : String(VERSION_NAME + String(" - ") + appname);
+	String title = appname.is_empty() ? String(VERSION_FULL_NAME) : String(VERSION_NAME + String(" - ") + appname);
 	String edited = editor_data.get_edited_scene_root() ? editor_data.get_edited_scene_root()->get_filename() : String();
-	if (!edited.empty()) {
+	if (!edited.is_empty()) {
 		title += " - " + String(edited.get_file());
 	}
 	if (unsaved_cache) {
@@ -782,8 +782,8 @@ void EditorNode::_fs_changed() {
 					preset_name);
 		} else {
 			Ref<EditorExportPlatform> platform = preset->get_platform();
-			const String export_path = export_defer.path.empty() ? preset->get_export_path() : export_defer.path;
-			if (export_path.empty()) {
+			const String export_path = export_defer.path.is_empty() ? preset->get_export_path() : export_defer.path;
+			if (export_path.is_empty()) {
 				export_error = vformat("Export preset '%s' doesn't have a default export path, and none was specified.", preset_name);
 			} else if (platform.is_null()) {
 				export_error = vformat("Export preset '%s' doesn't have a matching platform.", preset_name);
@@ -821,7 +821,7 @@ void EditorNode::_fs_changed() {
 			}
 		}
 
-		if (!export_error.empty()) {
+		if (!export_error.is_empty()) {
 			ERR_PRINT(export_error);
 			OS::get_singleton()->set_exit_code(EXIT_FAILURE);
 		}
@@ -1711,7 +1711,7 @@ void EditorNode::_dialog_action(String p_file) {
 			current_obj->_change_notify();
 		} break;
 		case SETTINGS_LAYOUT_SAVE: {
-			if (p_file.empty()) {
+			if (p_file.is_empty()) {
 				return;
 			}
 
@@ -1739,7 +1739,7 @@ void EditorNode::_dialog_action(String p_file) {
 
 		} break;
 		case SETTINGS_LAYOUT_DELETE: {
-			if (p_file.empty()) {
+			if (p_file.is_empty()) {
 				return;
 			}
 
@@ -1822,7 +1822,7 @@ void EditorNode::edit_item(Object *p_object) {
 		sub_plugins = editor_data.get_subeditors(p_object);
 	}
 
-	if (!sub_plugins.empty()) {
+	if (!sub_plugins.is_empty()) {
 		bool same = true;
 		if (sub_plugins.size() == editor_plugins_over->get_plugins_list().size()) {
 			for (int i = 0; i < sub_plugins.size(); i++) {
@@ -1998,7 +1998,7 @@ void EditorNode::_edit_current() {
 							multi_nodes.push_back(node);
 						}
 					}
-					if (!multi_nodes.empty()) {
+					if (!multi_nodes.is_empty()) {
 						// Pick the top-most node
 						multi_nodes.sort_custom<Node::Comparator>();
 						selected_node = multi_nodes.front()->get();
@@ -2080,13 +2080,13 @@ void EditorNode::_edit_current() {
 			sub_plugins = editor_data.get_subeditors(current_obj);
 		}
 
-		if (!sub_plugins.empty()) {
+		if (!sub_plugins.is_empty()) {
 			_display_top_editors(false);
 
 			_set_top_editors(sub_plugins);
 			_set_editing_top_editors(current_obj);
 			_display_top_editors(true);
-		} else if (!editor_plugins_over->get_plugins_list().empty()) {
+		} else if (!editor_plugins_over->get_plugins_list().is_empty()) {
 			hide_top_editors();
 		}
 	}
@@ -2256,7 +2256,7 @@ void EditorNode::_menu_option_confirm(int p_option, bool p_confirmed) {
 
 		} break;
 		case FILE_OPEN_PREV: {
-			if (previous_scenes.empty()) {
+			if (previous_scenes.is_empty()) {
 				break;
 			}
 			opening_prev = true;
@@ -2527,7 +2527,7 @@ void EditorNode::_menu_option_confirm(int p_option, bool p_confirmed) {
 
 		} break;
 		case RUN_PLAY_CUSTOM_SCENE: {
-			if (run_custom_filename.empty() || editor_run.get_status() == EditorRun::STATUS_STOP) {
+			if (run_custom_filename.is_empty() || editor_run.get_status() == EditorRun::STATUS_STOP) {
 				_menu_option_confirm(RUN_STOP, true);
 				quick_run->popup_dialog("PackedScene", true);
 				quick_run->set_title(TTR("Quick Run Scene..."));
@@ -2876,7 +2876,7 @@ void EditorNode::_update_file_menu_opened() {
 	Ref<Shortcut> reopen_closed_scene_sc = ED_GET_SHORTCUT("editor/reopen_closed_scene");
 	reopen_closed_scene_sc->set_name(TTR("Reopen Closed Scene"));
 	PopupMenu *pop = file_menu->get_popup();
-	pop->set_item_disabled(pop->get_item_index(FILE_OPEN_PREV), previous_scenes.empty());
+	pop->set_item_disabled(pop->get_item_index(FILE_OPEN_PREV), previous_scenes.is_empty());
 }
 
 void EditorNode::_update_file_menu_closed() {
@@ -3823,7 +3823,7 @@ Ref<Texture2D> EditorNode::get_object_icon(const Object *p_object, const String
 }
 
 Ref<Texture2D> EditorNode::get_class_icon(const String &p_class, const String &p_fallback) const {
-	ERR_FAIL_COND_V_MSG(p_class.empty(), nullptr, "Class name cannot be empty.");
+	ERR_FAIL_COND_V_MSG(p_class.is_empty(), nullptr, "Class name cannot be empty.");
 
 	if (ScriptServer::is_global_class(p_class)) {
 		Ref<ImageTexture> icon;
@@ -4555,7 +4555,7 @@ bool EditorNode::has_scenes_in_session() {
 		return false;
 	}
 	Array scenes = config->get_value("EditorNode", "open_scenes");
-	return !scenes.empty();
+	return !scenes.is_empty();
 }
 
 bool EditorNode::ensure_main_scene(bool p_from_native) {
@@ -4781,7 +4781,7 @@ void EditorNode::_scene_tab_input(const Ref<InputEvent> &p_input) {
 				Ref<Shortcut> undo_close_tab_sc = ED_GET_SHORTCUT("editor/reopen_closed_scene");
 				undo_close_tab_sc->set_name(TTR("Undo Close Tab"));
 				scene_tabs_context_menu->add_shortcut(undo_close_tab_sc, FILE_OPEN_PREV);
-				if (previous_scenes.empty()) {
+				if (previous_scenes.is_empty()) {
 					scene_tabs_context_menu->set_item_disabled(scene_tabs_context_menu->get_item_index(FILE_OPEN_PREV), true);
 				}
 				scene_tabs_context_menu->add_item(TTR("Close Other Tabs"), FILE_CLOSE_OTHERS);
@@ -5185,7 +5185,7 @@ void EditorNode::_add_dropped_files_recursive(const Vector<String> &p_files, Str
 				next_file = sub_dir->get_next();
 			}
 
-			if (!sub_files.empty()) {
+			if (!sub_files.is_empty()) {
 				dir->make_dir(to);
 				_add_dropped_files_recursive(sub_files, to);
 			}
@@ -6950,8 +6950,8 @@ void EditorPluginList::remove_plugin(EditorPlugin *p_plugin) {
 	plugins_list.erase(p_plugin);
 }
 
-bool EditorPluginList::empty() {
-	return plugins_list.empty();
+bool EditorPluginList::is_empty() {
+	return plugins_list.is_empty();
 }
 
 void EditorPluginList::clear() {
diff --git a/editor/editor_node.h b/editor/editor_node.h
index ab8d2688012..a53ae6934fb 100644
--- a/editor/editor_node.h
+++ b/editor/editor_node.h
@@ -903,7 +903,7 @@ public:
 	void add_plugin(EditorPlugin *p_plugin);
 	void remove_plugin(EditorPlugin *p_plugin);
 	void clear();
-	bool empty();
+	bool is_empty();
 
 	EditorPluginList();
 	~EditorPluginList();
diff --git a/editor/editor_plugin.cpp b/editor/editor_plugin.cpp
index f974ba99989..a84f26193a9 100644
--- a/editor/editor_plugin.cpp
+++ b/editor/editor_plugin.cpp
@@ -128,7 +128,7 @@ Vector<Ref<Texture2D>> EditorInterface::make_mesh_previews(const Vector<Ref<Mesh
 		Main::iteration();
 		Main::iteration();
 		Ref<Image> img = RS::get_singleton()->texture_2d_get(viewport_texture);
-		ERR_CONTINUE(!img.is_valid() || img->empty());
+		ERR_CONTINUE(!img.is_valid() || img->is_empty());
 		Ref<ImageTexture> it(memnew(ImageTexture));
 		it->create_from_image(img);
 
diff --git a/editor/editor_properties.cpp b/editor/editor_properties.cpp
index f432d52bf6b..972fd0723a9 100644
--- a/editor/editor_properties.cpp
+++ b/editor/editor_properties.cpp
@@ -2356,7 +2356,7 @@ void EditorPropertyResource::_file_selected(const String &p_path) {
 			property_types = E->get().hint_string;
 		}
 	}
-	if (!property_types.empty()) {
+	if (!property_types.is_empty()) {
 		bool any_type_matches = false;
 		const Vector<String> split_property_types = property_types.split(",");
 		for (int i = 0; i < split_property_types.size(); ++i) {
@@ -2514,7 +2514,7 @@ void EditorPropertyResource::_menu_option(int p_which) {
 				update_property();
 				break;
 			}
-			ERR_FAIL_COND(inheritors_array.empty());
+			ERR_FAIL_COND(inheritors_array.is_empty());
 
 			String intype = inheritors_array[p_which - TYPE_BASE_ID];
 
@@ -2658,7 +2658,7 @@ void EditorPropertyResource::_update_menu_items() {
 
 				bool is_custom_resource = false;
 				Ref<Texture2D> icon;
-				if (!custom_resources.empty()) {
+				if (!custom_resources.is_empty()) {
 					for (int j = 0; j < custom_resources.size(); j++) {
 						if (custom_resources[j].name == t) {
 							is_custom_resource = true;
diff --git a/editor/editor_properties_array_dict.cpp b/editor/editor_properties_array_dict.cpp
index c2c309fc325..774c08c4f00 100644
--- a/editor/editor_properties_array_dict.cpp
+++ b/editor/editor_properties_array_dict.cpp
@@ -550,7 +550,7 @@ void EditorPropertyArray::_length_changed(double p_page) {
 void EditorPropertyArray::setup(Variant::Type p_array_type, const String &p_hint_string) {
 	array_type = p_array_type;
 
-	if (array_type == Variant::ARRAY && !p_hint_string.empty()) {
+	if (array_type == Variant::ARRAY && !p_hint_string.is_empty()) {
 		int hint_subtype_separator = p_hint_string.find(":");
 		if (hint_subtype_separator >= 0) {
 			String subtype_string = p_hint_string.substr(0, hint_subtype_separator);
diff --git a/editor/editor_run_native.cpp b/editor/editor_run_native.cpp
index 639da371bdb..3ebcd162754 100644
--- a/editor/editor_run_native.cpp
+++ b/editor/editor_run_native.cpp
@@ -46,7 +46,7 @@ void EditorRunNative::_notification(int p_what) {
 				Ref<Image> im = icon->get_data();
 				im = im->duplicate();
 				im->clear_mipmaps();
-				if (!im->empty()) {
+				if (!im->is_empty()) {
 					im->resize(16 * EDSCALE, 16 * EDSCALE);
 					Ref<ImageTexture> small_icon;
 					small_icon.instance();
diff --git a/editor/editor_sectioned_inspector.cpp b/editor/editor_sectioned_inspector.cpp
index bc9ca154674..691f2e8228a 100644
--- a/editor/editor_sectioned_inspector.cpp
+++ b/editor/editor_sectioned_inspector.cpp
@@ -234,7 +234,7 @@ void SectionedInspector::update_category_list() {
 			continue;
 		}
 
-		if (!filter.empty() && pi.name.findn(filter) == -1 && pi.name.replace("/", " ").capitalize().findn(filter) == -1) {
+		if (!filter.is_empty() && pi.name.findn(filter) == -1 && pi.name.replace("/", " ").capitalize().findn(filter) == -1) {
 			continue;
 		}
 
diff --git a/editor/editor_settings.cpp b/editor/editor_settings.cpp
index 73a191d3171..3d131d373a2 100644
--- a/editor/editor_settings.cpp
+++ b/editor/editor_settings.cpp
@@ -281,7 +281,7 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 			locales_to_skip.push_back("te"); // Telugu
 		}
 
-		if (!locales_to_skip.empty()) {
+		if (!locales_to_skip.is_empty()) {
 			WARN_PRINT("Some locales are not properly supported by selected Text Server and are disabled.");
 		}
 
@@ -1476,7 +1476,7 @@ bool EditorSettings::is_default_text_editor_theme() {
 Vector<String> EditorSettings::get_script_templates(const String &p_extension, const String &p_custom_path) {
 	Vector<String> templates;
 	String template_dir = get_script_templates_dir();
-	if (!p_custom_path.empty()) {
+	if (!p_custom_path.is_empty()) {
 		template_dir = p_custom_path;
 	}
 	DirAccess *d = DirAccess::open(template_dir);
diff --git a/editor/filesystem_dock.cpp b/editor/filesystem_dock.cpp
index 6c8bd1901e0..1efa38c181d 100644
--- a/editor/filesystem_dock.cpp
+++ b/editor/filesystem_dock.cpp
@@ -531,7 +531,7 @@ void FileSystemDock::_navigate_to_path(const String &p_path, bool p_select_in_fa
 	}
 
 	String file_name = p_path.get_file();
-	if (!file_name.empty()) {
+	if (!file_name.is_empty()) {
 		for (int i = 0; i < files->get_item_count(); i++) {
 			if (files->get_item_text(i) == file_name) {
 				files->select(i, true);
@@ -1528,7 +1528,7 @@ void FileSystemDock::_move_operation_confirm(const String &p_to_path, bool p_ove
 	if (!p_overwrite) {
 		to_move_path = p_to_path;
 		Vector<String> conflicting_items = _check_existing();
-		if (!conflicting_items.empty()) {
+		if (!conflicting_items.is_empty()) {
 			// Ask to do something.
 			overwrite_dialog->set_text(vformat(
 					TTR("The following files or folders conflict with items in the target location '%s':\n\n%s\n\nDo you wish to overwrite them?"),
@@ -1721,7 +1721,7 @@ void FileSystemDock::_file_option(int p_option, const Vector<String> &p_selected
 					paths.push_back(fpath);
 				}
 			}
-			if (!paths.empty()) {
+			if (!paths.is_empty()) {
 				emit_signal("instance", paths);
 			}
 		} break;
@@ -1753,7 +1753,7 @@ void FileSystemDock::_file_option(int p_option, const Vector<String> &p_selected
 
 		case FILE_DEPENDENCIES: {
 			// Checkout the file dependencies.
-			if (!p_selected.empty()) {
+			if (!p_selected.is_empty()) {
 				String fpath = p_selected[0];
 				deps_editor->edit(fpath);
 			}
@@ -1761,7 +1761,7 @@ void FileSystemDock::_file_option(int p_option, const Vector<String> &p_selected
 
 		case FILE_OWNERS: {
 			// Checkout the file owners.
-			if (!p_selected.empty()) {
+			if (!p_selected.is_empty()) {
 				String fpath = p_selected[0];
 				owners_editor->show(fpath);
 			}
@@ -1784,7 +1784,7 @@ void FileSystemDock::_file_option(int p_option, const Vector<String> &p_selected
 
 		case FILE_RENAME: {
 			// Rename the active file.
-			if (!p_selected.empty()) {
+			if (!p_selected.is_empty()) {
 				to_rename.path = p_selected[0];
 				if (to_rename.path != "res://") {
 					to_rename.is_file = !to_rename.path.ends_with("/");
@@ -1885,7 +1885,7 @@ void FileSystemDock::_file_option(int p_option, const Vector<String> &p_selected
 		} break;
 
 		case FILE_COPY_PATH: {
-			if (!p_selected.empty()) {
+			if (!p_selected.is_empty()) {
 				String fpath = p_selected[0];
 				DisplayServer::get_singleton()->clipboard_set(fpath);
 			}
@@ -2013,7 +2013,7 @@ Variant FileSystemDock::get_drag_data_fw(const Point2 &p_point, Control *p_from)
 		all_not_favorites = true;
 	}
 
-	if (paths.empty()) {
+	if (paths.is_empty()) {
 		return Variant();
 	}
 
@@ -2061,7 +2061,7 @@ bool FileSystemDock::can_drop_data_fw(const Point2 &p_point, const Variant &p_da
 		String to_dir;
 		bool favorite;
 		_get_drag_target_folder(to_dir, favorite, p_point, p_from);
-		return !to_dir.empty();
+		return !to_dir.is_empty();
 	}
 
 	if (drag_data.has("type") && (String(drag_data["type"]) == "files" || String(drag_data["type"]) == "files_and_dirs")) {
@@ -2074,7 +2074,7 @@ bool FileSystemDock::can_drop_data_fw(const Point2 &p_point, const Variant &p_da
 			return true;
 		}
 
-		if (to_dir.empty()) {
+		if (to_dir.is_empty()) {
 			return false;
 		}
 
@@ -2169,7 +2169,7 @@ void FileSystemDock::drop_data_fw(const Point2 &p_point, const Variant &p_data,
 		String to_dir;
 		bool favorite;
 		_get_drag_target_folder(to_dir, favorite, p_point, p_from);
-		if (res.is_valid() && !to_dir.empty()) {
+		if (res.is_valid() && !to_dir.is_empty()) {
 			EditorNode::get_singleton()->push_item(res.ptr());
 			EditorNode::get_singleton()->save_resource_as(res, to_dir);
 		}
@@ -2180,7 +2180,7 @@ void FileSystemDock::drop_data_fw(const Point2 &p_point, const Variant &p_data,
 		String to_dir;
 		bool favorite;
 		_get_drag_target_folder(to_dir, favorite, p_point, p_from);
-		if (!to_dir.empty()) {
+		if (!to_dir.is_empty()) {
 			Vector<String> fnames = drag_data["files"];
 			to_move.clear();
 			for (int i = 0; i < fnames.size(); i++) {
@@ -2188,7 +2188,7 @@ void FileSystemDock::drop_data_fw(const Point2 &p_point, const Variant &p_data,
 					to_move.push_back(FileOrFolder(fnames[i], !fnames[i].ends_with("/")));
 				}
 			}
-			if (!to_move.empty()) {
+			if (!to_move.is_empty()) {
 				if (Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
 					for (int i = 0; i < to_move.size(); i++) {
 						String new_path;
@@ -2291,7 +2291,7 @@ void FileSystemDock::_get_drag_target_folder(String &target, bool &target_favori
 
 void FileSystemDock::_file_and_folders_fill_popup(PopupMenu *p_popup, Vector<String> p_paths, bool p_display_path_dependent_options) {
 	// Add options for files and folders.
-	ERR_FAIL_COND_MSG(p_paths.empty(), "Path cannot be empty.");
+	ERR_FAIL_COND_MSG(p_paths.is_empty(), "Path cannot be empty.");
 
 	Vector<String> filenames;
 	Vector<String> foldernames;
@@ -2414,7 +2414,7 @@ void FileSystemDock::_tree_rmb_select(const Vector2 &p_pos) {
 	}
 
 	// Popup.
-	if (!paths.empty()) {
+	if (!paths.is_empty()) {
 		tree_popup->set_size(Size2(1, 1));
 		_file_and_folders_fill_popup(tree_popup, paths);
 		tree_popup->set_position(tree->get_screen_position() + p_pos);
@@ -2454,7 +2454,7 @@ void FileSystemDock::_file_list_rmb_select(int p_item, const Vector2 &p_pos) {
 	}
 
 	// Popup.
-	if (!paths.empty()) {
+	if (!paths.is_empty()) {
 		file_list_popup->clear();
 		file_list_popup->set_size(Size2(1, 1));
 		_file_and_folders_fill_popup(file_list_popup, paths, searched_string.length() == 0);
diff --git a/editor/find_in_files.cpp b/editor/find_in_files.cpp
index e8588bbed51..ac4acc613f9 100644
--- a/editor/find_in_files.cpp
+++ b/editor/find_in_files.cpp
@@ -499,8 +499,8 @@ void FindInFilesDialog::_on_search_text_modified(String text) {
 	ERR_FAIL_COND(!_find_button);
 	ERR_FAIL_COND(!_replace_button);
 
-	_find_button->set_disabled(get_search_text().empty());
-	_replace_button->set_disabled(get_search_text().empty());
+	_find_button->set_disabled(get_search_text().is_empty());
+	_replace_button->set_disabled(get_search_text().is_empty());
 }
 
 void FindInFilesDialog::_on_search_text_entered(String text) {
diff --git a/editor/groups_editor.cpp b/editor/groups_editor.cpp
index 1eaf7d70b77..55bd475543c 100644
--- a/editor/groups_editor.cpp
+++ b/editor/groups_editor.cpp
@@ -198,7 +198,7 @@ void GroupDialog::_add_group(String p_name) {
 	}
 
 	String name = p_name.strip_edges();
-	if (name.empty() || groups->get_item_with_text(name)) {
+	if (name.is_empty() || groups->get_item_with_text(name)) {
 		return;
 	}
 
@@ -551,7 +551,7 @@ void GroupsEditor::_add_group(const String &p_group) {
 	}
 
 	const String name = group_name->get_text().strip_edges();
-	if (name.empty()) {
+	if (name.is_empty()) {
 		return;
 	}
 
diff --git a/editor/import/collada.cpp b/editor/import/collada.cpp
index 8eb68ecdcfe..91c4e3afd2c 100644
--- a/editor/import/collada.cpp
+++ b/editor/import/collada.cpp
@@ -1365,7 +1365,7 @@ Collada::Node *Collada::_parse_visual_instance_geometry(XMLParser &parser) {
 	}
 
 	if (geom->controller) {
-		if (geom->skeletons.empty()) {
+		if (geom->skeletons.is_empty()) {
 			//XSI style
 
 			if (state.skin_controller_data_map.has(geom->source)) {
@@ -2321,7 +2321,7 @@ void Collada::_optimize() {
 				i--;
 			}
 
-			while (!mgeom.empty()) {
+			while (!mgeom.is_empty()) {
 				Node *n = mgeom.front()->get();
 				n->parent->children.push_back(n);
 				mgeom.pop_front();
diff --git a/editor/import/collada.h b/editor/import/collada.h
index 29d49d4aa7f..354a3e697a3 100644
--- a/editor/import/collada.h
+++ b/editor/import/collada.h
@@ -274,7 +274,7 @@ public:
 					if (normal == p_vert.normal) {
 						if (uv == p_vert.uv) {
 							if (uv2 == p_vert.uv2) {
-								if (!weights.empty() || !p_vert.weights.empty()) {
+								if (!weights.is_empty() || !p_vert.weights.is_empty()) {
 									if (weights.size() == p_vert.weights.size()) {
 										for (int i = 0; i < weights.size(); i++) {
 											if (weights[i].bone_idx != p_vert.weights[i].bone_idx) {
diff --git a/editor/import/editor_import_collada.cpp b/editor/import/editor_import_collada.cpp
index db5b7b36aaf..19a846bf370 100644
--- a/editor/import/editor_import_collada.cpp
+++ b/editor/import/editor_import_collada.cpp
@@ -1027,7 +1027,7 @@ Error ColladaImport::_create_resources(Collada::Node *p_node, bool p_use_compres
 
 					Vector<String> skeletons = ng2->skeletons;
 
-					ERR_FAIL_COND_V(skeletons.empty(), ERR_INVALID_DATA);
+					ERR_FAIL_COND_V(skeletons.is_empty(), ERR_INVALID_DATA);
 
 					String skname = skeletons[0];
 					ERR_FAIL_COND_V(!node_map.has(skname), ERR_INVALID_DATA);
@@ -1471,7 +1471,7 @@ void ColladaImport::create_animation(int p_clip, bool p_make_tracks_in_all_bones
 				}
 
 				Vector<float> data = at.get_value_at_time(snapshots[i]);
-				ERR_CONTINUE(data.empty());
+				ERR_CONTINUE(data.is_empty());
 
 				Collada::Node::XForm &xf = cn->xform_list.write[xform_idx];
 
diff --git a/editor/import/resource_importer_layered_texture.cpp b/editor/import/resource_importer_layered_texture.cpp
index ac068c05cff..6166b83ae01 100644
--- a/editor/import/resource_importer_layered_texture.cpp
+++ b/editor/import/resource_importer_layered_texture.cpp
@@ -373,7 +373,7 @@ Error ResourceImporterLayeredTexture::import(const String &p_source_file, const
 			int x = slice_w * j;
 			int y = slice_h * i;
 			Ref<Image> slice = image->get_rect(Rect2(x, y, slice_w, slice_h));
-			ERR_CONTINUE(slice.is_null() || slice->empty());
+			ERR_CONTINUE(slice.is_null() || slice->is_empty());
 			if (slice->get_width() != slice_w || slice->get_height() != slice_h) {
 				slice->resize(slice_w, slice_h);
 			}
diff --git a/editor/import/resource_importer_scene.cpp b/editor/import/resource_importer_scene.cpp
index d36d811ce83..ea16551f18c 100644
--- a/editor/import/resource_importer_scene.cpp
+++ b/editor/import/resource_importer_scene.cpp
@@ -1468,7 +1468,7 @@ Error ResourceImporterScene::import(const String &p_source_file, const String &p
 
 				if (!ret_used_cache) {
 					// Cache was not used, add the generated entry to the current cache
-					if (cache_data.empty()) {
+					if (cache_data.is_empty()) {
 						cache_data.resize(4 + ret_cache_size);
 						int *data = (int *)cache_data.ptrw();
 						data[0] = 1;
diff --git a/editor/import/resource_importer_texture.cpp b/editor/import/resource_importer_texture.cpp
index c8dae537225..0bffc4a2d0b 100644
--- a/editor/import/resource_importer_texture.cpp
+++ b/editor/import/resource_importer_texture.cpp
@@ -82,7 +82,7 @@ void ResourceImporterTexture::update_imports() {
 	MutexLock lock(mutex);
 	Vector<String> to_reimport;
 	{
-		if (make_flags.empty()) {
+		if (make_flags.is_empty()) {
 			return;
 		}
 
diff --git a/editor/inspector_dock.cpp b/editor/inspector_dock.cpp
index e0ba50fe4fe..0620d572e34 100644
--- a/editor/inspector_dock.cpp
+++ b/editor/inspector_dock.cpp
@@ -452,7 +452,7 @@ void InspectorDock::update(Object *p_object) {
 	List<MethodInfo> methods;
 	p_object->get_method_list(&methods);
 
-	if (!methods.empty()) {
+	if (!methods.is_empty()) {
 		bool found = false;
 		List<MethodInfo>::Element *I = methods.front();
 		int i = 0;
diff --git a/editor/node_3d_editor_gizmos.cpp b/editor/node_3d_editor_gizmos.cpp
index 1f6c32ed705..1d09ad8a4cc 100644
--- a/editor/node_3d_editor_gizmos.cpp
+++ b/editor/node_3d_editor_gizmos.cpp
@@ -198,7 +198,7 @@ void EditorNode3DGizmo::add_mesh(const Ref<ArrayMesh> &p_mesh, bool p_billboard,
 }
 
 void EditorNode3DGizmo::add_lines(const Vector<Vector3> &p_lines, const Ref<Material> &p_material, bool p_billboard, const Color &p_modulate) {
-	if (p_lines.empty()) {
+	if (p_lines.is_empty()) {
 		return;
 	}
 
@@ -4205,7 +4205,7 @@ void NavigationRegion3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
 		}
 	}
 
-	if (faces.empty()) {
+	if (faces.is_empty()) {
 		return;
 	}
 
@@ -4521,7 +4521,7 @@ Joint3DGizmoPlugin::Joint3DGizmoPlugin() {
 }
 
 void Joint3DGizmoPlugin::incremental_update_gizmos() {
-	if (!current_gizmos.empty()) {
+	if (!current_gizmos.is_empty()) {
 		update_idx++;
 		update_idx = update_idx % current_gizmos.size();
 		redraw(current_gizmos[update_idx]);
diff --git a/editor/plugin_config_dialog.cpp b/editor/plugin_config_dialog.cpp
index a7807506330..c63f51c5124 100644
--- a/editor/plugin_config_dialog.cpp
+++ b/editor/plugin_config_dialog.cpp
@@ -126,7 +126,7 @@ void PluginConfigDialog::_on_cancelled() {
 void PluginConfigDialog::_on_required_text_changed(const String &) {
 	int lang_idx = script_option_edit->get_selected();
 	String ext = ScriptServer::get_language(lang_idx)->get_extension();
-	get_ok_button()->set_disabled(script_edit->get_text().get_basename().empty() || script_edit->get_text().get_extension() != ext || name_edit->get_text().empty());
+	get_ok_button()->set_disabled(script_edit->get_text().get_basename().is_empty() || script_edit->get_text().get_extension() != ext || name_edit->get_text().is_empty());
 }
 
 void PluginConfigDialog::_notification(int p_what) {
diff --git a/editor/plugins/animation_blend_tree_editor_plugin.cpp b/editor/plugins/animation_blend_tree_editor_plugin.cpp
index a20bbd2b620..d301e8ff7bd 100644
--- a/editor/plugins/animation_blend_tree_editor_plugin.cpp
+++ b/editor/plugins/animation_blend_tree_editor_plugin.cpp
@@ -416,7 +416,7 @@ void AnimationNodeBlendTreeEditor::_delete_nodes_request() {
 		}
 	}
 
-	if (to_erase.empty()) {
+	if (to_erase.is_empty()) {
 		return;
 	}
 
@@ -537,7 +537,7 @@ bool AnimationNodeBlendTreeEditor::_update_filters(const Ref<AnimationNode> &ano
 					default: {
 					} break;
 				}
-				if (!track_type_name.empty()) {
+				if (!track_type_name.is_empty()) {
 					types[track_path].insert(track_type_name);
 				}
 			}
diff --git a/editor/plugins/animation_player_editor_plugin.cpp b/editor/plugins/animation_player_editor_plugin.cpp
index 4b97dacbc11..491aab12586 100644
--- a/editor/plugins/animation_player_editor_plugin.cpp
+++ b/editor/plugins/animation_player_editor_plugin.cpp
@@ -680,7 +680,7 @@ void AnimationPlayerEditor::set_state(const Dictionary &p_state) {
 
 			if (p_state.has("animation")) {
 				String anim = p_state["animation"];
-				if (!anim.empty() && player->has_animation(anim)) {
+				if (!anim.is_empty() && player->has_animation(anim)) {
 					_select_anim_by_name(anim);
 					_animation_edit();
 				}
diff --git a/editor/plugins/asset_library_editor_plugin.cpp b/editor/plugins/asset_library_editor_plugin.cpp
index bd70e649e6c..6420a28d509 100644
--- a/editor/plugins/asset_library_editor_plugin.cpp
+++ b/editor/plugins/asset_library_editor_plugin.cpp
@@ -702,7 +702,7 @@ void EditorAssetLibrary::_image_update(bool use_cache, bool final, const PackedB
 			}
 		}
 
-		if (!image->empty()) {
+		if (!image->is_empty()) {
 			switch (image_queue[p_queue_id].image_type) {
 				case IMAGE_QUEUE_ICON:
 
@@ -1151,7 +1151,7 @@ void EditorAssetLibrary::_http_request_completed(int p_status, int p_code, const
 			asset_bottom_page = _make_pages(page, pages, page_len, total_items, result.size());
 			library_vb->add_child(asset_bottom_page);
 
-			if (result.empty()) {
+			if (result.is_empty()) {
 				if (filter->get_text() != String()) {
 					library_error->set_text(
 							vformat(TTR("No results for \"%s\"."), filter->get_text()));
@@ -1188,7 +1188,7 @@ void EditorAssetLibrary::_http_request_completed(int p_status, int p_code, const
 				}
 			}
 
-			if (!result.empty()) {
+			if (!result.is_empty()) {
 				library_scroll->set_v_scroll(0);
 			}
 		} break;
diff --git a/editor/plugins/canvas_item_editor_plugin.cpp b/editor/plugins/canvas_item_editor_plugin.cpp
index a5064de8386..ecd0a20c1a0 100644
--- a/editor/plugins/canvas_item_editor_plugin.cpp
+++ b/editor/plugins/canvas_item_editor_plugin.cpp
@@ -518,7 +518,7 @@ void CanvasItemEditor::_keying_changed() {
 }
 
 Rect2 CanvasItemEditor::_get_encompassing_rect_from_list(List<CanvasItem *> p_list) {
-	ERR_FAIL_COND_V(p_list.empty(), Rect2());
+	ERR_FAIL_COND_V(p_list.is_empty(), Rect2());
 
 	// Handles the first element
 	CanvasItem *canvas_item = p_list.front()->get();
@@ -1147,7 +1147,7 @@ bool CanvasItemEditor::_gui_input_rulers_and_guides(const Ref<InputEvent> &p_eve
 						if (dragged_guide_index >= 0) {
 							vguides.remove(dragged_guide_index);
 							undo_redo->create_action(TTR("Remove Vertical Guide"));
-							if (vguides.empty()) {
+							if (vguides.is_empty()) {
 								undo_redo->add_do_method(EditorNode::get_singleton()->get_edited_scene(), "remove_meta", "_edit_vertical_guides_");
 							} else {
 								undo_redo->add_do_method(EditorNode::get_singleton()->get_edited_scene(), "set_meta", "_edit_vertical_guides_", vguides);
@@ -1180,7 +1180,7 @@ bool CanvasItemEditor::_gui_input_rulers_and_guides(const Ref<InputEvent> &p_eve
 						if (dragged_guide_index >= 0) {
 							hguides.remove(dragged_guide_index);
 							undo_redo->create_action(TTR("Remove Horizontal Guide"));
-							if (hguides.empty()) {
+							if (hguides.is_empty()) {
 								undo_redo->add_do_method(EditorNode::get_singleton()->get_edited_scene(), "remove_meta", "_edit_horizontal_guides_");
 							} else {
 								undo_redo->add_do_method(EditorNode::get_singleton()->get_edited_scene(), "set_meta", "_edit_horizontal_guides_", hguides);
@@ -2400,7 +2400,7 @@ bool CanvasItemEditor::_gui_input_select(const Ref<InputEvent> &p_event) {
 				_select_click_on_item(item, click, b->get_shift());
 
 				return true;
-			} else if (!selection_results.empty()) {
+			} else if (!selection_results.is_empty()) {
 				// Sorts items according the their z-index
 				selection_results.sort();
 
@@ -2463,13 +2463,13 @@ bool CanvasItemEditor::_gui_input_select(const Ref<InputEvent> &p_event) {
 			// Retrieve the bones
 			Vector<_SelectResult> selection = Vector<_SelectResult>();
 			_get_bones_at_pos(click, selection);
-			if (!selection.empty()) {
+			if (!selection.is_empty()) {
 				canvas_item = selection[0].item;
 			} else {
 				// Retrieve the canvas items
 				selection = Vector<_SelectResult>();
 				_get_canvas_items_at_pos(click, selection);
-				if (!selection.empty()) {
+				if (!selection.is_empty()) {
 					canvas_item = selection[0].item;
 				}
 			}
@@ -3916,7 +3916,7 @@ void CanvasItemEditor::_draw_viewport() {
 	bool all_locked = true;
 	bool all_group = true;
 	List<Node *> selection = editor_selection->get_selected_node_list();
-	if (selection.empty()) {
+	if (selection.is_empty()) {
 		all_locked = false;
 		all_group = false;
 	} else {
@@ -3935,10 +3935,10 @@ void CanvasItemEditor::_draw_viewport() {
 	}
 
 	lock_button->set_visible(!all_locked);
-	lock_button->set_disabled(selection.empty());
+	lock_button->set_disabled(selection.is_empty());
 	unlock_button->set_visible(all_locked);
 	group_button->set_visible(!all_group);
-	group_button->set_disabled(selection.empty());
+	group_button->set_disabled(selection.is_empty());
 	ungroup_button->set_visible(all_group);
 
 	info_overlay->set_offset(SIDE_LEFT, (show_rulers ? RULER_WIDTH : 0) + 10);
@@ -3956,11 +3956,11 @@ void CanvasItemEditor::_draw_viewport() {
 	RenderingServer::get_singleton()->canvas_item_add_set_transform(ci, Transform2D());
 
 	EditorPluginList *over_plugin_list = editor->get_editor_plugins_over();
-	if (!over_plugin_list->empty()) {
+	if (!over_plugin_list->is_empty()) {
 		over_plugin_list->forward_canvas_draw_over_viewport(viewport);
 	}
 	EditorPluginList *force_over_plugin_list = editor->get_editor_plugins_force_over();
-	if (!force_over_plugin_list->empty()) {
+	if (!force_over_plugin_list->is_empty()) {
 		force_over_plugin_list->forward_canvas_force_draw_over_viewport(viewport);
 	}
 
diff --git a/editor/plugins/editor_preview_plugins.cpp b/editor/plugins/editor_preview_plugins.cpp
index 2fc0e35f822..7c3b393cd50 100644
--- a/editor/plugins/editor_preview_plugins.cpp
+++ b/editor/plugins/editor_preview_plugins.cpp
@@ -106,7 +106,7 @@ Ref<Texture2D> EditorTexturePreviewPlugin::generate(const RES &p_from, const Siz
 		}
 	}
 
-	if (img.is_null() || img->empty()) {
+	if (img.is_null() || img->is_empty()) {
 		return Ref<Texture2D>();
 	}
 
@@ -150,7 +150,7 @@ bool EditorImagePreviewPlugin::handles(const String &p_type) const {
 Ref<Texture2D> EditorImagePreviewPlugin::generate(const RES &p_from, const Size2 &p_size) const {
 	Ref<Image> img = p_from;
 
-	if (img.is_null() || img->empty()) {
+	if (img.is_null() || img->is_empty()) {
 		return Ref<Image>();
 	}
 
diff --git a/editor/plugins/font_editor_plugin.cpp b/editor/plugins/font_editor_plugin.cpp
index a82547182ca..55419e10427 100644
--- a/editor/plugins/font_editor_plugin.cpp
+++ b/editor/plugins/font_editor_plugin.cpp
@@ -216,7 +216,7 @@ void FontDataEditor::init_script_edit() {
 
 void FontDataEditor::add_lang() {
 	FontData *fd = Object::cast_to<FontData>(get_edited_object());
-	if (fd != nullptr && !le->get_text().empty()) {
+	if (fd != nullptr && !le->get_text().is_empty()) {
 		fd->set_language_support_override(le->get_text(), chk->is_pressed());
 		le->set_text("");
 		chk->set_pressed(false);
diff --git a/editor/plugins/mesh_instance_3d_editor_plugin.cpp b/editor/plugins/mesh_instance_3d_editor_plugin.cpp
index 2a08e3a8b5e..c8a85267acb 100644
--- a/editor/plugins/mesh_instance_3d_editor_plugin.cpp
+++ b/editor/plugins/mesh_instance_3d_editor_plugin.cpp
@@ -63,7 +63,7 @@ void MeshInstance3DEditor::_menu_option(int p_option) {
 
 			List<Node *> selection = editor_selection->get_selected_node_list();
 
-			if (selection.empty()) {
+			if (selection.is_empty()) {
 				Ref<Shape3D> shape = mesh->create_trimesh_shape();
 				if (shape.is_null()) {
 					err_dialog->set_text(TTR("Couldn't create a Trimesh collision shape."));
diff --git a/editor/plugins/node_3d_editor_plugin.cpp b/editor/plugins/node_3d_editor_plugin.cpp
index da305df69b9..d92ee482479 100644
--- a/editor/plugins/node_3d_editor_plugin.cpp
+++ b/editor/plugins/node_3d_editor_plugin.cpp
@@ -612,7 +612,7 @@ void Node3DEditorViewport::_find_items_at_pos(const Point2 &p_pos, bool &r_inclu
 		results.push_back(res);
 	}
 
-	if (results.empty()) {
+	if (results.is_empty()) {
 		return;
 	}
 
@@ -1045,7 +1045,7 @@ void Node3DEditorViewport::_list_select(Ref<InputEventMouseButton> b) {
 			clicked = ObjectID();
 		}
 
-	} else if (!selection_results.empty()) {
+	} else if (!selection_results.is_empty()) {
 		NodePath root_path = get_tree()->get_edited_scene_root()->get_path();
 		StringName root_name = root_path.get_name(root_path.get_name_count() - 1);
 
@@ -1097,7 +1097,7 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 	{
 		EditorNode *en = editor;
 		EditorPluginList *force_input_forwarding_list = en->get_editor_plugins_force_input_forwarding();
-		if (!force_input_forwarding_list->empty()) {
+		if (!force_input_forwarding_list->is_empty()) {
 			bool discard = force_input_forwarding_list->forward_spatial_gui_input(camera, p_event, true);
 			if (discard) {
 				return;
@@ -1107,7 +1107,7 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 	{
 		EditorNode *en = editor;
 		EditorPluginList *over_plugin_list = en->get_editor_plugins_over();
-		if (!over_plugin_list->empty()) {
+		if (!over_plugin_list->is_empty()) {
 			bool discard = over_plugin_list->forward_spatial_gui_input(camera, p_event, false);
 			if (discard) {
 				return;
@@ -2615,12 +2615,12 @@ static void draw_indicator_bar(Control &surface, real_t fill, const Ref<Texture2
 
 void Node3DEditorViewport::_draw() {
 	EditorPluginList *over_plugin_list = EditorNode::get_singleton()->get_editor_plugins_over();
-	if (!over_plugin_list->empty()) {
+	if (!over_plugin_list->is_empty()) {
 		over_plugin_list->forward_spatial_draw_over_viewport(surface);
 	}
 
 	EditorPluginList *force_over_plugin_list = editor->get_editor_plugins_force_over();
-	if (!force_over_plugin_list->empty()) {
+	if (!force_over_plugin_list->is_empty()) {
 		force_over_plugin_list->forward_spatial_force_draw_over_viewport(surface);
 	}
 
@@ -5778,7 +5778,7 @@ void Node3DEditor::_refresh_menu_icons() {
 
 	List<Node *> &selection = editor_selection->get_selected_node_list();
 
-	if (selection.empty()) {
+	if (selection.is_empty()) {
 		all_locked = false;
 		all_grouped = false;
 	} else {
@@ -5797,11 +5797,11 @@ void Node3DEditor::_refresh_menu_icons() {
 	}
 
 	tool_button[TOOL_LOCK_SELECTED]->set_visible(!all_locked);
-	tool_button[TOOL_LOCK_SELECTED]->set_disabled(selection.empty());
+	tool_button[TOOL_LOCK_SELECTED]->set_disabled(selection.is_empty());
 	tool_button[TOOL_UNLOCK_SELECTED]->set_visible(all_locked);
 
 	tool_button[TOOL_GROUP_SELECTED]->set_visible(!all_grouped);
-	tool_button[TOOL_GROUP_SELECTED]->set_disabled(selection.empty());
+	tool_button[TOOL_GROUP_SELECTED]->set_disabled(selection.is_empty());
 	tool_button[TOOL_UNGROUP_SELECTED]->set_visible(all_grouped);
 }
 
diff --git a/editor/plugins/packed_scene_translation_parser_plugin.cpp b/editor/plugins/packed_scene_translation_parser_plugin.cpp
index 608b5c3104e..09d23033594 100644
--- a/editor/plugins/packed_scene_translation_parser_plugin.cpp
+++ b/editor/plugins/packed_scene_translation_parser_plugin.cpp
@@ -81,14 +81,14 @@ Error PackedSceneEditorTranslationParserPlugin::parse_file(const String &p_path,
 				Vector<String> str_values = property_value;
 				for (int k = 0; k < str_values.size(); k++) {
 					String desc = str_values[k].get_slice(";", 1).strip_edges();
-					if (!desc.empty()) {
+					if (!desc.is_empty()) {
 						parsed_strings.push_back(desc);
 					}
 				}
 			} else if (property_value.get_type() == Variant::STRING) {
 				String str_value = String(property_value);
 				// Prevent reading text containing only spaces.
-				if (!str_value.strip_edges().empty()) {
+				if (!str_value.strip_edges().is_empty()) {
 					parsed_strings.push_back(str_value);
 				}
 			}
diff --git a/editor/plugins/script_editor_plugin.cpp b/editor/plugins/script_editor_plugin.cpp
index 7607ab482cd..10bd7cc9529 100644
--- a/editor/plugins/script_editor_plugin.cpp
+++ b/editor/plugins/script_editor_plugin.cpp
@@ -587,7 +587,7 @@ void ScriptEditor::_go_to_tab(int p_idx) {
 }
 
 void ScriptEditor::_add_recent_script(String p_path) {
-	if (p_path.empty()) {
+	if (p_path.is_empty()) {
 		return;
 	}
 
@@ -702,7 +702,7 @@ void ScriptEditor::_close_tab(int p_idx, bool p_save, bool p_history_back) {
 			}
 		}
 		if (script.is_valid()) {
-			if (!script->get_path().empty()) {
+			if (!script->get_path().is_empty()) {
 				// Only saved scripts can be restored.
 				previous_scripts.push_back(script->get_path());
 			}
@@ -1129,7 +1129,7 @@ void ScriptEditor::_menu_option(int p_option) {
 			return;
 		} break;
 		case FILE_REOPEN_CLOSED: {
-			if (previous_scripts.empty()) {
+			if (previous_scripts.is_empty()) {
 				return;
 			}
 
@@ -1381,7 +1381,7 @@ void ScriptEditor::_menu_option(int p_option) {
 			case SHOW_IN_FILE_SYSTEM: {
 				const RES script = current->get_edited_resource();
 				const String path = script->get_path();
-				if (!path.empty()) {
+				if (!path.is_empty()) {
 					FileSystemDock *file_system_dock = EditorNode::get_singleton()->get_filesystem_dock();
 					file_system_dock->navigate_to_path(path);
 					// Ensure that the FileSystem dock is visible.
@@ -1887,7 +1887,7 @@ void ScriptEditor::_update_script_names() {
 		if (se) {
 			Ref<Texture2D> icon = se->get_theme_icon();
 			String path = se->get_edited_resource()->get_path();
-			bool saved = !path.empty();
+			bool saved = !path.is_empty();
 			if (saved) {
 				// The script might be deleted, moved, or renamed, so make sure
 				// to update original path to previously edited resource.
@@ -1934,7 +1934,7 @@ void ScriptEditor::_update_script_names() {
 					sd.name = name;
 				} break;
 				case DISPLAY_DIR_AND_NAME: {
-					if (!path.get_base_dir().get_file().empty()) {
+					if (!path.get_base_dir().get_file().is_empty()) {
 						sd.name = path.get_base_dir().get_file().plus_file(name);
 					} else {
 						sd.name = name;
@@ -1988,7 +1988,7 @@ void ScriptEditor::_update_script_names() {
 		}
 	}
 
-	if (_sort_list_on_update && !sedata.empty()) {
+	if (_sort_list_on_update && !sedata.is_empty()) {
 		sedata.sort();
 
 		// change actual order of tab_container so that the order can be rearranged by user
@@ -2052,7 +2052,7 @@ void ScriptEditor::_update_script_names() {
 	_update_help_overview_visibility();
 	_update_script_colors();
 
-	file_menu->get_popup()->set_item_disabled(file_menu->get_popup()->get_item_index(FILE_REOPEN_CLOSED), previous_scripts.empty());
+	file_menu->get_popup()->set_item_disabled(file_menu->get_popup()->get_item_index(FILE_REOPEN_CLOSED), previous_scripts.is_empty());
 }
 
 void ScriptEditor::_update_script_connections() {
@@ -2806,7 +2806,7 @@ void ScriptEditor::set_window_layout(Ref<ConfigFile> p_layout) {
 		String path = scripts[i];
 
 		Dictionary script_info = scripts[i];
-		if (!script_info.empty()) {
+		if (!script_info.is_empty()) {
 			path = script_info["path"];
 		}
 
@@ -2833,7 +2833,7 @@ void ScriptEditor::set_window_layout(Ref<ConfigFile> p_layout) {
 			}
 		}
 
-		if (!script_info.empty()) {
+		if (!script_info.is_empty()) {
 			ScriptEditorBase *se = Object::cast_to<ScriptEditorBase>(tab_container->get_child(tab_container->get_tab_count() - 1));
 			if (se) {
 				se->set_edit_state(script_info["state"]);
diff --git a/editor/plugins/script_text_editor.cpp b/editor/plugins/script_text_editor.cpp
index ed2c0c9f26a..f34224ab953 100644
--- a/editor/plugins/script_text_editor.cpp
+++ b/editor/plugins/script_text_editor.cpp
@@ -349,7 +349,7 @@ void ScriptTextEditor::update_settings() {
 bool ScriptTextEditor::is_unsaved() {
 	const bool unsaved =
 			code_editor->get_text_editor()->get_version() != code_editor->get_text_editor()->get_saved_version() ||
-			script->get_path().empty(); // In memory.
+			script->get_path().is_empty(); // In memory.
 	return unsaved;
 }
 
@@ -427,7 +427,7 @@ String ScriptTextEditor::get_name() {
 	if (script->get_path().find("local://") == -1 && script->get_path().find("::") == -1) {
 		name = script->get_path().get_file();
 		if (is_unsaved()) {
-			if (script->get_path().empty()) {
+			if (script->get_path().is_empty()) {
 				name = TTR("[unsaved]");
 			}
 			name += "(*)";
@@ -551,7 +551,7 @@ void ScriptTextEditor::_validate_script() {
 			if (safe_lines.has(i + 1)) {
 				te->set_line_gutter_item_color(i, line_number_gutter, safe_line_number_color);
 				last_is_safe = true;
-			} else if (last_is_safe && (te->is_line_comment(i) || te->get_line(i).strip_edges().empty())) {
+			} else if (last_is_safe && (te->is_line_comment(i) || te->get_line(i).strip_edges().is_empty())) {
 				te->set_line_gutter_item_color(i, line_number_gutter, safe_line_number_color);
 			} else {
 				te->set_line_gutter_item_color(i, line_number_gutter, default_line_number_color);
diff --git a/editor/plugins/shader_file_editor_plugin.cpp b/editor/plugins/shader_file_editor_plugin.cpp
index f15a8015305..f6ce3f7958f 100644
--- a/editor/plugins/shader_file_editor_plugin.cpp
+++ b/editor/plugins/shader_file_editor_plugin.cpp
@@ -59,7 +59,7 @@ void ShaderFileEditor::_version_selected(int p_option) {
 	ERR_FAIL_COND(bytecode.is_null());
 
 	for (int i = 0; i < RD::SHADER_STAGE_MAX; i++) {
-		if (bytecode->get_stage_bytecode(RD::ShaderStage(i)).empty() && bytecode->get_stage_compile_error(RD::ShaderStage(i)) == String()) {
+		if (bytecode->get_stage_bytecode(RD::ShaderStage(i)).is_empty() && bytecode->get_stage_compile_error(RD::ShaderStage(i)) == String()) {
 			stages[i]->set_icon(Ref<Texture2D>());
 			continue;
 		}
@@ -182,7 +182,7 @@ void ShaderFileEditor::_update_options() {
 	for (int i = 0; i < RD::SHADER_STAGE_MAX; i++) {
 		Vector<uint8_t> bc = bytecode->get_stage_bytecode(RD::ShaderStage(i));
 		String error = bytecode->get_stage_compile_error(RD::ShaderStage(i));
-		bool disable = error == String() && bc.empty();
+		bool disable = error == String() && bc.is_empty();
 		stages[i]->set_disabled(disable);
 		if (!disable) {
 			if (stages[i]->is_pressed()) {
diff --git a/editor/plugins/skeleton_3d_editor_plugin.cpp b/editor/plugins/skeleton_3d_editor_plugin.cpp
index 22f50c0689f..d22157fda74 100644
--- a/editor/plugins/skeleton_3d_editor_plugin.cpp
+++ b/editor/plugins/skeleton_3d_editor_plugin.cpp
@@ -293,7 +293,7 @@ void BoneTransformEditor::_key_button_pressed() {
 	const BoneId bone_id = property.get_slicec('/', 1).to_int();
 	const String name = skeleton->get_bone_name(bone_id);
 
-	if (name.empty())
+	if (name.is_empty())
 		return;
 
 	// Need to normalize the basis before you key it
diff --git a/editor/plugins/sprite_2d_editor_plugin.cpp b/editor/plugins/sprite_2d_editor_plugin.cpp
index 1be6b979b10..0bfd9e0c363 100644
--- a/editor/plugins/sprite_2d_editor_plugin.cpp
+++ b/editor/plugins/sprite_2d_editor_plugin.cpp
@@ -340,7 +340,7 @@ void Sprite2DEditor::_convert_to_mesh_2d_node() {
 }
 
 void Sprite2DEditor::_convert_to_polygon_2d_node() {
-	if (computed_outline_lines.empty()) {
+	if (computed_outline_lines.is_empty()) {
 		err_dialog->set_text(TTR("Invalid geometry, can't create polygon."));
 		err_dialog->popup_centered();
 		return;
@@ -398,7 +398,7 @@ void Sprite2DEditor::_convert_to_polygon_2d_node() {
 }
 
 void Sprite2DEditor::_create_collision_polygon_2d_node() {
-	if (computed_outline_lines.empty()) {
+	if (computed_outline_lines.is_empty()) {
 		err_dialog->set_text(TTR("Invalid geometry, can't create collision polygon."));
 		err_dialog->popup_centered();
 		return;
@@ -420,7 +420,7 @@ void Sprite2DEditor::_create_collision_polygon_2d_node() {
 }
 
 void Sprite2DEditor::_create_light_occluder_2d_node() {
-	if (computed_outline_lines.empty()) {
+	if (computed_outline_lines.is_empty()) {
 		err_dialog->set_text(TTR("Invalid geometry, can't create light occluder."));
 		err_dialog->popup_centered();
 		return;
diff --git a/editor/plugins/sprite_frames_editor_plugin.cpp b/editor/plugins/sprite_frames_editor_plugin.cpp
index b79d829c346..099f2c8a7fd 100644
--- a/editor/plugins/sprite_frames_editor_plugin.cpp
+++ b/editor/plugins/sprite_frames_editor_plugin.cpp
@@ -318,7 +318,7 @@ void SpriteFramesEditor::_file_load_request(const Vector<String> &p_path, int p_
 		resources.push_back(resource);
 	}
 
-	if (resources.empty()) {
+	if (resources.is_empty()) {
 		return;
 	}
 
diff --git a/editor/plugins/text_editor.cpp b/editor/plugins/text_editor.cpp
index b95abe8994b..37899293d51 100644
--- a/editor/plugins/text_editor.cpp
+++ b/editor/plugins/text_editor.cpp
@@ -119,7 +119,7 @@ String TextEditor::get_name() {
 	if (text_file->get_path().find("local://") == -1 && text_file->get_path().find("::") == -1) {
 		name = text_file->get_path().get_file();
 		if (is_unsaved()) {
-			if (text_file->get_path().empty()) {
+			if (text_file->get_path().is_empty()) {
 				name = TTR("[unsaved]");
 			}
 			name += "(*)";
@@ -242,7 +242,7 @@ void TextEditor::apply_code() {
 bool TextEditor::is_unsaved() {
 	const bool unsaved =
 			code_editor->get_text_editor()->get_version() != code_editor->get_text_editor()->get_saved_version() ||
-			text_file->get_path().empty(); // In memory.
+			text_file->get_path().is_empty(); // In memory.
 	return unsaved;
 }
 
diff --git a/editor/plugins/tile_map_editor_plugin.cpp b/editor/plugins/tile_map_editor_plugin.cpp
index 49eb68c93a1..73511365935 100644
--- a/editor/plugins/tile_map_editor_plugin.cpp
+++ b/editor/plugins/tile_map_editor_plugin.cpp
@@ -449,7 +449,7 @@ void TileMapEditor::_update_palette() {
 
 	List<int> tiles;
 	tileset->get_tile_list(&tiles);
-	if (tiles.empty()) {
+	if (tiles.is_empty()) {
 		return;
 	}
 
@@ -1779,7 +1779,7 @@ void TileMapEditor::forward_canvas_draw_over_viewport(Control *p_overlay) {
 				return;
 			}
 
-			if (paint_undo.empty()) {
+			if (paint_undo.is_empty()) {
 				return;
 			}
 
@@ -1810,7 +1810,7 @@ void TileMapEditor::forward_canvas_draw_over_viewport(Control *p_overlay) {
 				}
 			}
 		} else if (tool == TOOL_PASTING) {
-			if (copydata.empty()) {
+			if (copydata.is_empty()) {
 				return;
 			}
 
diff --git a/editor/plugins/visual_shader_editor_plugin.cpp b/editor/plugins/visual_shader_editor_plugin.cpp
index 2fbfa2a8e34..ec1de43b6fd 100644
--- a/editor/plugins/visual_shader_editor_plugin.cpp
+++ b/editor/plugins/visual_shader_editor_plugin.cpp
@@ -1015,7 +1015,7 @@ void VisualShaderEditor::_update_options_menu() {
 	TreeItem *root = members->create_item();
 
 	String filter = node_filter->get_text().strip_edges();
-	bool use_filter = !filter.empty();
+	bool use_filter = !filter.is_empty();
 
 	bool is_first_item = true;
 
@@ -2108,7 +2108,7 @@ void VisualShaderEditor::_delete_nodes_request() {
 		}
 	}
 
-	if (to_erase.empty()) {
+	if (to_erase.is_empty()) {
 		return;
 	}
 
@@ -2145,13 +2145,13 @@ void VisualShaderEditor::_graph_gui_input(const Ref<InputEvent> &p_event) {
 				}
 			}
 		}
-		if (to_change.empty() && copy_nodes_buffer.empty()) {
+		if (to_change.is_empty() && copy_nodes_buffer.is_empty()) {
 			_show_members_dialog(true);
 		} else {
-			popup_menu->set_item_disabled(NodeMenuOptions::COPY, to_change.empty());
-			popup_menu->set_item_disabled(NodeMenuOptions::PASTE, copy_nodes_buffer.empty());
-			popup_menu->set_item_disabled(NodeMenuOptions::DELETE, to_change.empty());
-			popup_menu->set_item_disabled(NodeMenuOptions::DUPLICATE, to_change.empty());
+			popup_menu->set_item_disabled(NodeMenuOptions::COPY, to_change.is_empty());
+			popup_menu->set_item_disabled(NodeMenuOptions::PASTE, copy_nodes_buffer.is_empty());
+			popup_menu->set_item_disabled(NodeMenuOptions::DELETE, to_change.is_empty());
+			popup_menu->set_item_disabled(NodeMenuOptions::DUPLICATE, to_change.is_empty());
 			menu_point = graph->get_local_mouse_position();
 			Point2 gpos = Input::get_singleton()->get_mouse_position();
 			popup_menu->set_position(gpos);
@@ -2445,7 +2445,7 @@ void VisualShaderEditor::_duplicate_nodes() {
 
 	_dup_copy_nodes(type, nodes, excluded);
 
-	if (nodes.empty()) {
+	if (nodes.is_empty()) {
 		return;
 	}
 
@@ -2463,7 +2463,7 @@ void VisualShaderEditor::_copy_nodes() {
 }
 
 void VisualShaderEditor::_paste_nodes(bool p_use_custom_position, const Vector2 &p_custom_position) {
-	if (copy_nodes_buffer.empty()) {
+	if (copy_nodes_buffer.is_empty()) {
 		return;
 	}
 
diff --git a/editor/pot_generator.cpp b/editor/pot_generator.cpp
index 9b3227ad286..789d0e6ba5d 100644
--- a/editor/pot_generator.cpp
+++ b/editor/pot_generator.cpp
@@ -135,7 +135,7 @@ void POTGenerator::_write_to_pot(const String &p_file) {
 			}
 
 			// Write context.
-			if (!context.empty()) {
+			if (!context.is_empty()) {
 				file->store_line("msgctxt \"" + context + "\"");
 			}
 
@@ -143,7 +143,7 @@ void POTGenerator::_write_to_pot(const String &p_file) {
 			_write_msgid(file, msgid, false);
 
 			// Write msgid_plural
-			if (!plural.empty()) {
+			if (!plural.is_empty()) {
 				_write_msgid(file, plural, true);
 				file->store_line("msgstr[0] \"\"");
 				file->store_line("msgstr[1] \"\"\n");
@@ -185,7 +185,7 @@ void POTGenerator::_add_new_msgid(const String &p_msgid, const String &p_context
 		Vector<MsgidData> &v_mdata = all_translation_strings[p_msgid];
 		for (int i = 0; i < v_mdata.size(); i++) {
 			if (v_mdata[i].ctx == p_context) {
-				if (!v_mdata[i].plural.empty() && !p_plural.empty() && v_mdata[i].plural != p_plural) {
+				if (!v_mdata[i].plural.is_empty() && !p_plural.is_empty() && v_mdata[i].plural != p_plural) {
 					WARN_PRINT("Redefinition of plural message (msgid_plural), under the same message (msgid) and context (msgctxt)");
 				}
 				v_mdata.write[i].locations.insert(p_location);
diff --git a/editor/progress_dialog.cpp b/editor/progress_dialog.cpp
index a37f4776acb..d6d8e5789ee 100644
--- a/editor/progress_dialog.cpp
+++ b/editor/progress_dialog.cpp
@@ -111,7 +111,7 @@ void BackgroundProgress::task_step(const String &p_task, int p_step) {
 	bool no_updates = true;
 	{
 		_THREAD_SAFE_METHOD_
-		no_updates = updates.empty();
+		no_updates = updates.is_empty();
 	}
 
 	if (no_updates) {
@@ -218,7 +218,7 @@ void ProgressDialog::end_task(const String &p_task) {
 	memdelete(t.vb);
 	tasks.erase(p_task);
 
-	if (tasks.empty()) {
+	if (tasks.is_empty()) {
 		hide();
 	} else {
 		_popup();
diff --git a/editor/project_export.cpp b/editor/project_export.cpp
index 68710920a5f..4eb1b76d639 100644
--- a/editor/project_export.cpp
+++ b/editor/project_export.cpp
@@ -516,7 +516,7 @@ void ProjectExportDialog::_script_encryption_key_changed(const String &p_key) {
 bool ProjectExportDialog::_validate_script_encryption_key(const String &p_key) {
 	bool is_valid = false;
 
-	if (!p_key.empty() && p_key.is_valid_hex_number(false) && p_key.length() == 64) {
+	if (!p_key.is_empty() && p_key.is_valid_hex_number(false) && p_key.length() == 64) {
 		is_valid = true;
 	}
 	return is_valid;
diff --git a/editor/project_manager.cpp b/editor/project_manager.cpp
index 3068bdd6720..6e324451243 100644
--- a/editor/project_manager.cpp
+++ b/editor/project_manager.cpp
@@ -1545,7 +1545,7 @@ bool ProjectList::is_any_project_missing() const {
 }
 
 void ProjectList::erase_missing_projects() {
-	if (_projects.empty()) {
+	if (_projects.is_empty()) {
 		return;
 	}
 
@@ -1875,7 +1875,7 @@ void ProjectManager::_dim_window() {
 
 void ProjectManager::_update_project_buttons() {
 	Vector<ProjectList::Item> selected_projects = _project_list->get_selected_projects();
-	bool empty_selection = selected_projects.empty();
+	bool empty_selection = selected_projects.is_empty();
 
 	bool is_missing_project_selected = false;
 	for (int i = 0; i < selected_projects.size(); ++i) {
diff --git a/editor/project_settings_editor.cpp b/editor/project_settings_editor.cpp
index 9995c6ad651..a294a64dbe2 100644
--- a/editor/project_settings_editor.cpp
+++ b/editor/project_settings_editor.cpp
@@ -156,7 +156,7 @@ void ProjectSettingsEditor::_update_advanced_bar() {
 	bool disable_add = true;
 	bool disable_del = true;
 
-	if (!property_box->get_text().empty()) {
+	if (!property_box->get_text().is_empty()) {
 		const String setting = _get_setting_name();
 		bool setting_exists = ps->has_setting(setting);
 		if (setting_exists) {
@@ -197,7 +197,7 @@ void ProjectSettingsEditor::_update_advanced_bar() {
 
 String ProjectSettingsEditor::_get_setting_name() const {
 	const String cat = category_box->get_text();
-	const String name = (cat.empty() ? "global" : cat.strip_edges()).plus_file(property_box->get_text().strip_edges());
+	const String name = (cat.is_empty() ? "global" : cat.strip_edges()).plus_file(property_box->get_text().strip_edges());
 	const String feature = feature_override->get_item_text(feature_override->get_selected());
 
 	return (feature == "") ? name : (name + "." + feature);
diff --git a/editor/property_editor.cpp b/editor/property_editor.cpp
index d45ee1eae17..9a58a23cb0c 100644
--- a/editor/property_editor.cpp
+++ b/editor/property_editor.cpp
@@ -251,7 +251,7 @@ void CustomPropertyEditor::_menu_option(int p_which) {
 						emit_signal("variant_changed");
 						break;
 					}
-					ERR_FAIL_COND(inheritors_array.empty());
+					ERR_FAIL_COND(inheritors_array.is_empty());
 
 					String intype = inheritors_array[p_which - TYPE_BASE_ID];
 
@@ -367,18 +367,18 @@ bool CustomPropertyEditor::edit(Object *p_owner, const String &p_name, Variant::
 				int c = hint_text.get_slice_count(",");
 				float min = 0, max = 100, step = type == Variant::FLOAT ? .01 : 1;
 				if (c >= 1) {
-					if (!hint_text.get_slice(",", 0).empty()) {
+					if (!hint_text.get_slice(",", 0).is_empty()) {
 						min = hint_text.get_slice(",", 0).to_float();
 					}
 				}
 				if (c >= 2) {
-					if (!hint_text.get_slice(",", 1).empty()) {
+					if (!hint_text.get_slice(",", 1).is_empty()) {
 						max = hint_text.get_slice(",", 1).to_float();
 					}
 				}
 
 				if (c >= 3) {
-					if (!hint_text.get_slice(",", 2).empty()) {
+					if (!hint_text.get_slice(",", 2).is_empty()) {
 						step = hint_text.get_slice(",", 2).to_float();
 					}
 				}
@@ -882,7 +882,7 @@ bool CustomPropertyEditor::edit(Object *p_owner, const String &p_name, Variant::
 
 						bool is_custom_resource = false;
 						Ref<Texture2D> icon;
-						if (!custom_resources.empty()) {
+						if (!custom_resources.is_empty()) {
 							for (int k = 0; k < custom_resources.size(); k++) {
 								if (custom_resources[k].name == t) {
 									is_custom_resource = true;
@@ -1246,7 +1246,7 @@ void CustomPropertyEditor::_action_pressed(int p_which) {
 		} break;
 		case Variant::OBJECT: {
 			if (p_which == 0) {
-				ERR_FAIL_COND(inheritors_array.empty());
+				ERR_FAIL_COND(inheritors_array.is_empty());
 
 				String intype = inheritors_array[0];
 
diff --git a/editor/rename_dialog.cpp b/editor/rename_dialog.cpp
index a60937a86ba..379faf21312 100644
--- a/editor/rename_dialog.cpp
+++ b/editor/rename_dialog.cpp
@@ -572,7 +572,7 @@ void RenameDialog::rename() {
 	// Forward recursive as opposed to the actual renaming.
 	_iterate_scene(root_node, selected_node_list, &global_count);
 
-	if (undo_redo && !to_rename.empty()) {
+	if (undo_redo && !to_rename.is_empty()) {
 		undo_redo->create_action(TTR("Batch Rename"));
 
 		// Make sure to iterate reversed so that child nodes will find parents.
diff --git a/editor/scene_tree_dock.cpp b/editor/scene_tree_dock.cpp
index 91ae81dea2a..89750f60431 100644
--- a/editor/scene_tree_dock.cpp
+++ b/editor/scene_tree_dock.cpp
@@ -361,7 +361,7 @@ void SceneTreeDock::_tool_selected(int p_tool, bool p_confirm_override) {
 			if (current_edited_scene_root) {
 				String root_class = current_edited_scene_root->get_class_name();
 				static Vector<String> preferred_types;
-				if (preferred_types.empty()) {
+				if (preferred_types.is_empty()) {
 					preferred_types.push_back("Control");
 					preferred_types.push_back("Node2D");
 					preferred_types.push_back("Node3D");
@@ -416,7 +416,7 @@ void SceneTreeDock::_tool_selected(int p_tool, bool p_confirm_override) {
 			}
 
 			Node *selected = scene_tree->get_selected();
-			if (!selected && !editor_selection->get_selected_node_list().empty()) {
+			if (!selected && !editor_selection->get_selected_node_list().is_empty()) {
 				selected = editor_selection->get_selected_node_list().front()->get();
 			}
 
@@ -438,7 +438,7 @@ void SceneTreeDock::_tool_selected(int p_tool, bool p_confirm_override) {
 
 			Array selection = editor_selection->get_selected_nodes();
 
-			if (selection.empty()) {
+			if (selection.is_empty()) {
 				return;
 			}
 
@@ -737,7 +737,7 @@ void SceneTreeDock::_tool_selected(int p_tool, bool p_confirm_override) {
 
 			List<Node *> remove_list = editor_selection->get_selected_node_list();
 
-			if (remove_list.empty()) {
+			if (remove_list.is_empty()) {
 				return;
 			}
 
@@ -1529,7 +1529,7 @@ void SceneTreeDock::_node_reparent(NodePath p_path, bool p_keep_global_xform) {
 
 	List<Node *> selection = editor_selection->get_selected_node_list();
 
-	if (selection.empty()) {
+	if (selection.is_empty()) {
 		return; // Nothing to reparent.
 	}
 
@@ -1703,7 +1703,7 @@ bool SceneTreeDock::_is_collapsed_recursive(TreeItem *p_item) const {
 	List<TreeItem *> needs_check;
 	needs_check.push_back(p_item);
 
-	while (!needs_check.empty()) {
+	while (!needs_check.is_empty()) {
 		TreeItem *item = needs_check.back()->get();
 		needs_check.pop_back();
 
@@ -1725,7 +1725,7 @@ void SceneTreeDock::_set_collapsed_recursive(TreeItem *p_item, bool p_collapsed)
 	List<TreeItem *> to_collapse;
 	to_collapse.push_back(p_item);
 
-	while (!to_collapse.empty()) {
+	while (!to_collapse.is_empty()) {
 		TreeItem *item = to_collapse.back()->get();
 		to_collapse.pop_back();
 
@@ -1742,7 +1742,7 @@ void SceneTreeDock::_set_collapsed_recursive(TreeItem *p_item, bool p_collapsed)
 void SceneTreeDock::_script_created(Ref<Script> p_script) {
 	List<Node *> selected = editor_selection->get_selected_node_list();
 
-	if (selected.empty()) {
+	if (selected.is_empty()) {
 		return;
 	}
 
@@ -1811,7 +1811,7 @@ void SceneTreeDock::_toggle_editable_children(Node *p_node) {
 void SceneTreeDock::_delete_confirm() {
 	List<Node *> remove_list = editor_selection->get_selected_node_list();
 
-	if (remove_list.empty()) {
+	if (remove_list.is_empty()) {
 		return;
 	}
 
@@ -2349,7 +2349,7 @@ void SceneTreeDock::_script_dropped(String p_file, NodePath p_to) {
 void SceneTreeDock::_nodes_dragged(Array p_nodes, NodePath p_to, int p_type) {
 	List<Node *> selection = editor_selection->get_selected_node_list();
 
-	if (selection.empty()) {
+	if (selection.is_empty()) {
 		return; //nothing to reparent
 	}
 
@@ -2601,7 +2601,7 @@ void SceneTreeDock::attach_script_to_selected(bool p_extend) {
 	}
 
 	List<Node *> selection = editor_selection->get_selected_node_list();
-	if (selection.empty()) {
+	if (selection.is_empty()) {
 		return;
 	}
 
diff --git a/editor/scene_tree_editor.cpp b/editor/scene_tree_editor.cpp
index 40fc5c02fca..f30ad02f5e7 100644
--- a/editor/scene_tree_editor.cpp
+++ b/editor/scene_tree_editor.cpp
@@ -251,7 +251,7 @@ bool SceneTreeEditor::_add_nodes(Node *p_node, TreeItem *p_parent) {
 	if (can_rename) { //should be can edit..
 
 		String warning = p_node->get_configuration_warning();
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			item->add_button(0, get_theme_icon("NodeWarning", "EditorIcons"), BUTTON_WARNING, false, TTR("Node configuration warning:") + "\n" + p_node->get_configuration_warning());
 		}
 
@@ -754,7 +754,7 @@ void SceneTreeEditor::_renamed() {
 	ERR_FAIL_COND(!n);
 
 	// Empty node names are not allowed, so resets it to previous text and show warning
-	if (which->get_text(0).strip_edges().empty()) {
+	if (which->get_text(0).strip_edges().is_empty()) {
 		which->set_text(0, n->get_name());
 		EditorNode::get_singleton()->show_warning(TTR("No name provided."));
 		return;
@@ -765,7 +765,7 @@ void SceneTreeEditor::_renamed() {
 		error->set_text(TTR("Invalid node name, the following characters are not allowed:") + "\n" + Node::invalid_character);
 		error->popup_centered();
 
-		if (new_name.empty()) {
+		if (new_name.is_empty()) {
 			which->set_text(0, n->get_name());
 			return;
 		}
@@ -931,7 +931,7 @@ Variant SceneTreeEditor::get_drag_data_fw(const Point2 &p_point, Control *p_from
 		next = tree->get_next_selected(next);
 	}
 
-	if (selected.empty()) {
+	if (selected.is_empty()) {
 		return Variant();
 	}
 
diff --git a/editor/script_create_dialog.cpp b/editor/script_create_dialog.cpp
index 2b95231542b..7fd2613c1e0 100644
--- a/editor/script_create_dialog.cpp
+++ b/editor/script_create_dialog.cpp
@@ -50,7 +50,7 @@ void ScriptCreateDialog::_theme_changed() {
 	}
 
 	String last_lang = EditorSettings::get_singleton()->get_project_metadata("script_setup", "last_selected_language", "");
-	if (!last_lang.empty()) {
+	if (!last_lang.is_empty()) {
 		for (int i = 0; i < language_menu->get_item_count(); i++) {
 			if (language_menu->get_item_text(i) == last_lang) {
 				language_menu->select(i);
diff --git a/modules/bullet/space_bullet.h b/modules/bullet/space_bullet.h
index e362f27d39d..d24a4824037 100644
--- a/modules/bullet/space_bullet.h
+++ b/modules/bullet/space_bullet.h
@@ -167,7 +167,7 @@ public:
 	BulletPhysicsDirectSpaceState *get_direct_state();
 
 	void set_debug_contacts(int p_amount) { contactDebug.resize(p_amount); }
-	_FORCE_INLINE_ bool is_debugging_contacts() const { return !contactDebug.empty(); }
+	_FORCE_INLINE_ bool is_debugging_contacts() const { return !contactDebug.is_empty(); }
 	_FORCE_INLINE_ void reset_debug_contact_count() {
 		contactDebugCount = 0;
 	}
diff --git a/modules/fbx/data/fbx_material.cpp b/modules/fbx/data/fbx_material.cpp
index b00ac2083ec..3da9e4e1ffa 100644
--- a/modules/fbx/data/fbx_material.cpp
+++ b/modules/fbx/data/fbx_material.cpp
@@ -42,7 +42,7 @@ void FBXMaterial::set_imported_material(FBXDocParser::Material *p_material) {
 }
 
 void FBXMaterial::add_search_string(String p_filename, String p_current_directory, String search_directory, Vector<String> &texture_search_paths) {
-	if (search_directory.empty()) {
+	if (search_directory.is_empty()) {
 		texture_search_paths.push_back(p_current_directory.get_base_dir().plus_file(p_filename));
 	} else {
 		texture_search_paths.push_back(p_current_directory.get_base_dir().plus_file(search_directory + "/" + p_filename));
@@ -188,7 +188,7 @@ Ref<StandardMaterial3D> FBXMaterial::import_material(ImportState &state) {
 			spatial_material->set_transparency(BaseMaterial3D::TRANSPARENCY_ALPHA);
 		}
 
-		ERR_CONTINUE_MSG(file_extension.empty(), "your texture has no file extension so we had to ignore it, let us know if you think this is wrong file an issue on github! " + debug_string);
+		ERR_CONTINUE_MSG(file_extension.is_empty(), "your texture has no file extension so we had to ignore it, let us know if you think this is wrong file an issue on github! " + debug_string);
 		ERR_CONTINUE_MSG(fbx_texture_map.count(fbx_mapping_name) <= 0, "This material has a texture with mapping name: " + String(fbx_mapping_name.c_str()) + " which is not yet supported by this importer. Consider opening an issue so we can support it.");
 		ERR_CONTINUE_MSG(
 				file_extension_uppercase != "PNG" &&
@@ -211,7 +211,7 @@ Ref<StandardMaterial3D> FBXMaterial::import_material(ImportState &state) {
 			texture = state.cached_image_searches[texture_name];
 		} else {
 			String path = find_texture_path_by_filename(texture_name, p_fbx_current_directory);
-			if (!path.empty()) {
+			if (!path.is_empty()) {
 				Ref<Texture2D> image_texture = ResourceLoader::load(path);
 
 				ERR_CONTINUE(image_texture.is_null());
diff --git a/modules/fbx/data/fbx_mesh_data.cpp b/modules/fbx/data/fbx_mesh_data.cpp
index 0728866adb9..d1c4b70b5c1 100644
--- a/modules/fbx/data/fbx_mesh_data.cpp
+++ b/modules/fbx/data/fbx_mesh_data.cpp
@@ -38,7 +38,7 @@
 
 template <class T>
 T collect_first(const Vector<VertexData<T>> *p_data, T p_fall_back) {
-	if (p_data->empty()) {
+	if (p_data->is_empty()) {
 		return p_fall_back;
 	}
 
@@ -47,7 +47,7 @@ T collect_first(const Vector<VertexData<T>> *p_data, T p_fall_back) {
 
 template <class T>
 HashMap<int, T> collect_all(const Vector<VertexData<T>> *p_data, HashMap<int, T> p_fall_back) {
-	if (p_data->empty()) {
+	if (p_data->is_empty()) {
 		return p_fall_back;
 	}
 
@@ -61,7 +61,7 @@ HashMap<int, T> collect_all(const Vector<VertexData<T>> *p_data, HashMap<int, T>
 
 template <class T>
 T collect_average(const Vector<VertexData<T>> *p_data, T p_fall_back) {
-	if (p_data->empty()) {
+	if (p_data->is_empty()) {
 		return p_fall_back;
 	}
 
@@ -76,7 +76,7 @@ T collect_average(const Vector<VertexData<T>> *p_data, T p_fall_back) {
 }
 
 HashMap<int, Vector3> collect_normal(const Vector<VertexData<Vector3>> *p_data, HashMap<int, Vector3> p_fall_back) {
-	if (p_data->empty()) {
+	if (p_data->is_empty()) {
 		return p_fall_back;
 	}
 
@@ -89,7 +89,7 @@ HashMap<int, Vector3> collect_normal(const Vector<VertexData<Vector3>> *p_data,
 }
 
 HashMap<int, Vector2> collect_uv(const Vector<VertexData<Vector2>> *p_data, HashMap<int, Vector2> p_fall_back) {
-	if (p_data->empty()) {
+	if (p_data->is_empty()) {
 		return p_fall_back;
 	}
 
@@ -231,7 +231,7 @@ EditorSceneImporterMeshNode3D *FBXMeshData::create_fbx_mesh(const ImportState &s
 
 	// Phase 2. For each material create a surface tool (So a different mesh).
 	{
-		if (polygon_surfaces.empty()) {
+		if (polygon_surfaces.is_empty()) {
 			// No material, just use the default one with index -1.
 			// Set -1 to all polygons.
 			const int polygon_count = count_polygons(polygon_indices);
@@ -990,7 +990,7 @@ void FBXMeshData::triangulate_polygon(Ref<SurfaceTool> st, Vector<int> p_polygon
 }
 
 void FBXMeshData::gen_weight_info(Ref<SurfaceTool> st, Vertex vertex_id) const {
-	if (vertex_weights.empty()) {
+	if (vertex_weights.is_empty()) {
 		return;
 	}
 
@@ -1417,7 +1417,7 @@ void FBXMeshData::extract_morphs(const FBXDocParser::MeshGeometry *mesh_geometry
 			const std::vector<const FBXDocParser::ShapeGeometry *> &shape_geometries = blend_shape_channel->GetShapeGeometries();
 			for (const FBXDocParser::ShapeGeometry *shape_geometry : shape_geometries) {
 				String morph_name = ImportUtils::FBXAnimMeshName(shape_geometry->Name()).c_str();
-				if (morph_name.empty()) {
+				if (morph_name.is_empty()) {
 					morph_name = "morph";
 				}
 
diff --git a/modules/gdnative/gdnative.cpp b/modules/gdnative/gdnative.cpp
index f397ee96c53..bb72dd69b8c 100644
--- a/modules/gdnative/gdnative.cpp
+++ b/modules/gdnative/gdnative.cpp
@@ -286,7 +286,7 @@ bool GDNative::initialize() {
 	}
 
 	String lib_path = library->get_current_library_path();
-	if (lib_path.empty()) {
+	if (lib_path.is_empty()) {
 		ERR_PRINT("No library set for this platform");
 		return false;
 	}
diff --git a/modules/gdnative/gdnative/array.cpp b/modules/gdnative/gdnative/array.cpp
index 863889acbc9..403d6511650 100644
--- a/modules/gdnative/gdnative/array.cpp
+++ b/modules/gdnative/gdnative/array.cpp
@@ -215,9 +215,9 @@ godot_int GDAPI godot_array_count(const godot_array *p_self, const godot_variant
 	return self->count(*val);
 }
 
-godot_bool GDAPI godot_array_empty(const godot_array *p_self) {
+godot_bool GDAPI godot_array_is_empty(const godot_array *p_self) {
 	const Array *self = (const Array *)p_self;
-	return self->empty();
+	return self->is_empty();
 }
 
 void GDAPI godot_array_erase(godot_array *p_self, const godot_variant *p_value) {
diff --git a/modules/gdnative/gdnative/dictionary.cpp b/modules/gdnative/gdnative/dictionary.cpp
index b6900b28bb4..b34d73dc404 100644
--- a/modules/gdnative/gdnative/dictionary.cpp
+++ b/modules/gdnative/gdnative/dictionary.cpp
@@ -71,9 +71,9 @@ godot_int GDAPI godot_dictionary_size(const godot_dictionary *p_self) {
 	return self->size();
 }
 
-godot_bool GDAPI godot_dictionary_empty(const godot_dictionary *p_self) {
+godot_bool GDAPI godot_dictionary_is_empty(const godot_dictionary *p_self) {
 	const Dictionary *self = (const Dictionary *)p_self;
-	return self->empty();
+	return self->is_empty();
 }
 
 void GDAPI godot_dictionary_clear(godot_dictionary *p_self) {
diff --git a/modules/gdnative/gdnative/packed_arrays.cpp b/modules/gdnative/gdnative/packed_arrays.cpp
index cc1e05b8a40..351c456a5d6 100644
--- a/modules/gdnative/gdnative/packed_arrays.cpp
+++ b/modules/gdnative/gdnative/packed_arrays.cpp
@@ -150,9 +150,9 @@ godot_int GDAPI godot_packed_byte_array_size(const godot_packed_byte_array *p_se
 	return self->size();
 }
 
-godot_bool GDAPI godot_packed_byte_array_empty(const godot_packed_byte_array *p_self) {
+godot_bool GDAPI godot_packed_byte_array_is_empty(const godot_packed_byte_array *p_self) {
 	const Vector<uint8_t> *self = (const Vector<uint8_t> *)p_self;
-	return self->empty();
+	return self->is_empty();
 }
 
 void GDAPI godot_packed_byte_array_destroy(godot_packed_byte_array *p_self) {
@@ -254,9 +254,9 @@ godot_int GDAPI godot_packed_int32_array_size(const godot_packed_int32_array *p_
 	return self->size();
 }
 
-godot_bool GDAPI godot_packed_int32_array_empty(const godot_packed_int32_array *p_self) {
+godot_bool GDAPI godot_packed_int32_array_is_empty(const godot_packed_int32_array *p_self) {
 	const Vector<int32_t> *self = (const Vector<int32_t> *)p_self;
-	return self->empty();
+	return self->is_empty();
 }
 
 void GDAPI godot_packed_int32_array_destroy(godot_packed_int32_array *p_self) {
@@ -358,9 +358,9 @@ godot_int GDAPI godot_packed_int64_array_size(const godot_packed_int64_array *p_
 	return self->size();
 }
 
-godot_bool GDAPI godot_packed_int64_array_empty(const godot_packed_int64_array *p_self) {
+godot_bool GDAPI godot_packed_int64_array_is_empty(const godot_packed_int64_array *p_self) {
 	const Vector<int64_t> *self = (const Vector<int64_t> *)p_self;
-	return self->empty();
+	return self->is_empty();
 }
 
 void GDAPI godot_packed_int64_array_destroy(godot_packed_int64_array *p_self) {
@@ -462,9 +462,9 @@ godot_int GDAPI godot_packed_float32_array_size(const godot_packed_float32_array
 	return self->size();
 }
 
-godot_bool GDAPI godot_packed_float32_array_empty(const godot_packed_float32_array *p_self) {
+godot_bool GDAPI godot_packed_float32_array_is_empty(const godot_packed_float32_array *p_self) {
 	const Vector<float> *self = (const Vector<float> *)p_self;
-	return self->empty();
+	return self->is_empty();
 }
 
 void GDAPI godot_packed_float32_array_destroy(godot_packed_float32_array *p_self) {
@@ -566,9 +566,9 @@ godot_int GDAPI godot_packed_float64_array_size(const godot_packed_float64_array
 	return self->size();
 }
 
-godot_bool GDAPI godot_packed_float64_array_empty(const godot_packed_float64_array *p_self) {
+godot_bool GDAPI godot_packed_float64_array_is_empty(const godot_packed_float64_array *p_self) {
 	const Vector<double> *self = (const Vector<double> *)p_self;
-	return self->empty();
+	return self->is_empty();
 }
 
 void GDAPI godot_packed_float64_array_destroy(godot_packed_float64_array *p_self) {
@@ -679,9 +679,9 @@ godot_int GDAPI godot_packed_string_array_size(const godot_packed_string_array *
 	return self->size();
 }
 
-godot_bool GDAPI godot_packed_string_array_empty(const godot_packed_string_array *p_self) {
+godot_bool GDAPI godot_packed_string_array_is_empty(const godot_packed_string_array *p_self) {
 	const Vector<String> *self = (const Vector<String> *)p_self;
-	return self->empty();
+	return self->is_empty();
 }
 
 void GDAPI godot_packed_string_array_destroy(godot_packed_string_array *p_self) {
@@ -791,9 +791,9 @@ godot_int GDAPI godot_packed_vector2_array_size(const godot_packed_vector2_array
 	return self->size();
 }
 
-godot_bool GDAPI godot_packed_vector2_array_empty(const godot_packed_vector2_array *p_self) {
+godot_bool GDAPI godot_packed_vector2_array_is_empty(const godot_packed_vector2_array *p_self) {
 	const Vector<Vector2> *self = (const Vector<Vector2> *)p_self;
-	return self->empty();
+	return self->is_empty();
 }
 
 void GDAPI godot_packed_vector2_array_destroy(godot_packed_vector2_array *p_self) {
@@ -903,9 +903,9 @@ godot_int GDAPI godot_packed_vector2i_array_size(const godot_packed_vector2i_arr
 	return self->size();
 }
 
-godot_bool GDAPI godot_packed_vector2i_array_empty(const godot_packed_vector2i_array *p_self) {
+godot_bool GDAPI godot_packed_vector2i_array_is_empty(const godot_packed_vector2i_array *p_self) {
 	const Vector<Vector2i> *self = (const Vector<Vector2i> *)p_self;
-	return self->empty();
+	return self->is_empty();
 }
 
 void GDAPI godot_packed_vector2i_array_destroy(godot_packed_vector2i_array *p_self) {
@@ -1015,9 +1015,9 @@ godot_int GDAPI godot_packed_vector3_array_size(const godot_packed_vector3_array
 	return self->size();
 }
 
-godot_bool GDAPI godot_packed_vector3_array_empty(const godot_packed_vector3_array *p_self) {
+godot_bool GDAPI godot_packed_vector3_array_is_empty(const godot_packed_vector3_array *p_self) {
 	const Vector<Vector3> *self = (const Vector<Vector3> *)p_self;
-	return self->empty();
+	return self->is_empty();
 }
 
 void GDAPI godot_packed_vector3_array_destroy(godot_packed_vector3_array *p_self) {
@@ -1127,9 +1127,9 @@ godot_int GDAPI godot_packed_color_array_size(const godot_packed_color_array *p_
 	return self->size();
 }
 
-godot_bool GDAPI godot_packed_color_array_empty(const godot_packed_color_array *p_self) {
+godot_bool GDAPI godot_packed_color_array_is_empty(const godot_packed_color_array *p_self) {
 	const Vector<Color> *self = (const Vector<Color> *)p_self;
-	return self->empty();
+	return self->is_empty();
 }
 
 void GDAPI godot_packed_color_array_destroy(godot_packed_color_array *p_self) {
diff --git a/modules/gdnative/gdnative/string.cpp b/modules/gdnative/gdnative/string.cpp
index 47c7f7b6e77..743c47c01ae 100644
--- a/modules/gdnative/gdnative/string.cpp
+++ b/modules/gdnative/gdnative/string.cpp
@@ -1087,10 +1087,10 @@ godot_string GDAPI godot_string_sha256_text(const godot_string *p_self) {
 	return result;
 }
 
-godot_bool godot_string_empty(const godot_string *p_self) {
+godot_bool godot_string_is_empty(const godot_string *p_self) {
 	const String *self = (const String *)p_self;
 
-	return self->empty();
+	return self->is_empty();
 }
 
 // path functions
diff --git a/modules/gdnative/gdnative_api.json b/modules/gdnative/gdnative_api.json
index b3fd033e6c0..cc24b47a5b1 100644
--- a/modules/gdnative/gdnative_api.json
+++ b/modules/gdnative/gdnative_api.json
@@ -380,7 +380,7 @@
         ]
       },
       {
-        "name": "godot_array_empty",
+        "name": "godot_array_is_empty",
         "return_type": "godot_bool",
         "arguments": [
           ["const godot_array *", "p_self"]
@@ -1388,7 +1388,7 @@
         ]
       },
       {
-        "name": "godot_dictionary_empty",
+        "name": "godot_dictionary_is_empty",
         "return_type": "godot_bool",
         "arguments": [
           ["const godot_dictionary *", "p_self"]
@@ -1647,7 +1647,7 @@
         ]
       },
       {
-        "name": "godot_packed_byte_array_empty",
+        "name": "godot_packed_byte_array_is_empty",
         "return_type": "godot_bool",
         "arguments": [
           ["const godot_packed_byte_array *", "p_self"]
@@ -1793,7 +1793,7 @@
         ]
       },
       {
-        "name": "godot_packed_int32_array_empty",
+        "name": "godot_packed_int32_array_is_empty",
         "return_type": "godot_bool",
         "arguments": [
           ["const godot_packed_int32_array *", "p_self"]
@@ -1939,7 +1939,7 @@
         ]
       },
       {
-        "name": "godot_packed_int64_array_empty",
+        "name": "godot_packed_int64_array_is_empty",
         "return_type": "godot_bool",
         "arguments": [
           ["const godot_packed_int64_array *", "p_self"]
@@ -2085,7 +2085,7 @@
         ]
       },
       {
-        "name": "godot_packed_float32_array_empty",
+        "name": "godot_packed_float32_array_is_empty",
         "return_type": "godot_bool",
         "arguments": [
           ["const godot_packed_float32_array *", "p_self"]
@@ -2231,7 +2231,7 @@
         ]
       },
       {
-        "name": "godot_packed_float64_array_empty",
+        "name": "godot_packed_float64_array_is_empty",
         "return_type": "godot_bool",
         "arguments": [
           ["const godot_packed_float64_array *", "p_self"]
@@ -2377,7 +2377,7 @@
         ]
       },
       {
-        "name": "godot_packed_string_array_empty",
+        "name": "godot_packed_string_array_is_empty",
         "return_type": "godot_bool",
         "arguments": [
           ["const godot_packed_string_array *", "p_self"]
@@ -2523,7 +2523,7 @@
         ]
       },
       {
-        "name": "godot_packed_vector2_array_empty",
+        "name": "godot_packed_vector2_array_is_empty",
         "return_type": "godot_bool",
         "arguments": [
           ["const godot_packed_vector2_array *", "p_self"]
@@ -2669,7 +2669,7 @@
         ]
       },
       {
-        "name": "godot_packed_vector2i_array_empty",
+        "name": "godot_packed_vector2i_array_is_empty",
         "return_type": "godot_bool",
         "arguments": [
           ["const godot_packed_vector2i_array *", "p_self"]
@@ -2815,7 +2815,7 @@
         ]
       },
       {
-        "name": "godot_packed_vector3_array_empty",
+        "name": "godot_packed_vector3_array_is_empty",
         "return_type": "godot_bool",
         "arguments": [
           ["const godot_packed_vector3_array *", "p_self"]
@@ -2961,7 +2961,7 @@
         ]
       },
       {
-        "name": "godot_packed_color_array_empty",
+        "name": "godot_packed_color_array_is_empty",
         "return_type": "godot_bool",
         "arguments": [
           ["const godot_packed_color_array *", "p_self"]
@@ -5005,7 +5005,7 @@
         ]
       },
       {
-        "name": "godot_string_empty",
+        "name": "godot_string_is_empty",
         "return_type": "godot_bool",
         "arguments": [
           ["const godot_string *", "p_self"]
@@ -7946,7 +7946,7 @@
           ]
         },
         {
-          "name": "godot_packed_glyph_array_empty",
+          "name": "godot_packed_glyph_array_is_empty",
           "return_type": "godot_bool",
           "arguments": [
             ["const godot_packed_glyph_array *", "p_self"]
diff --git a/modules/gdnative/gdnative_library_editor_plugin.cpp b/modules/gdnative/gdnative_library_editor_plugin.cpp
index 5ea5c8ee8dc..eafe0f43a45 100644
--- a/modules/gdnative/gdnative_library_editor_plugin.cpp
+++ b/modules/gdnative/gdnative_library_editor_plugin.cpp
@@ -65,7 +65,7 @@ void GDNativeLibraryEditor::_update_tree() {
 			continue;
 		}
 		Map<String, NativePlatformConfig>::Element *E = platforms.find(filter_list->get_item_metadata(i));
-		if (!text.empty()) {
+		if (!text.is_empty()) {
 			text += ", ";
 		}
 		text += E->get().name;
@@ -91,7 +91,7 @@ void GDNativeLibraryEditor::_update_tree() {
 
 			bit->add_button(1, get_theme_icon("Folder", "EditorIcons"), BUTTON_SELECT_LIBRARY, false, TTR("Select the dynamic library for this entry"));
 			String file = entry_configs[target].library;
-			if (!file.empty()) {
+			if (!file.is_empty()) {
 				bit->add_button(1, get_theme_icon("Clear", "EditorIcons"), BUTTON_CLEAR_LIBRARY, false, TTR("Clear"));
 			}
 			bit->set_text(1, file);
@@ -195,7 +195,7 @@ void GDNativeLibraryEditor::_on_item_activated() {
 void GDNativeLibraryEditor::_on_create_new_entry() {
 	String platform = new_architecture_dialog->get_meta("platform");
 	String entry = new_architecture_input->get_text().strip_edges();
-	if (!entry.empty()) {
+	if (!entry.is_empty()) {
 		platforms[platform].entries.push_back(entry);
 		_update_tree();
 	}
@@ -248,7 +248,7 @@ void GDNativeLibraryEditor::_translate_to_config_file() {
 		for (Map<String, NativePlatformConfig>::Element *E = platforms.front(); E; E = E->next()) {
 			for (List<String>::Element *it = E->value().entries.front(); it; it = it->next()) {
 				String target = E->key() + "." + it->get();
-				if (entry_configs[target].library.empty() && entry_configs[target].dependencies.empty()) {
+				if (entry_configs[target].library.is_empty() && entry_configs[target].dependencies.is_empty()) {
 					continue;
 				}
 
diff --git a/modules/gdnative/include/gdnative/array.h b/modules/gdnative/include/gdnative/array.h
index 7a59493b7d0..1374a899e5d 100644
--- a/modules/gdnative/include/gdnative/array.h
+++ b/modules/gdnative/include/gdnative/array.h
@@ -87,7 +87,7 @@ void GDAPI godot_array_clear(godot_array *p_self);
 
 godot_int GDAPI godot_array_count(const godot_array *p_self, const godot_variant *p_value);
 
-godot_bool GDAPI godot_array_empty(const godot_array *p_self);
+godot_bool GDAPI godot_array_is_empty(const godot_array *p_self);
 
 void GDAPI godot_array_erase(godot_array *p_self, const godot_variant *p_value);
 
diff --git a/modules/gdnative/include/gdnative/dictionary.h b/modules/gdnative/include/gdnative/dictionary.h
index 873efaa9bf1..f02e43f173a 100644
--- a/modules/gdnative/include/gdnative/dictionary.h
+++ b/modules/gdnative/include/gdnative/dictionary.h
@@ -67,7 +67,7 @@ godot_dictionary GDAPI godot_dictionary_duplicate(const godot_dictionary *p_self
 
 godot_int GDAPI godot_dictionary_size(const godot_dictionary *p_self);
 
-godot_bool GDAPI godot_dictionary_empty(const godot_dictionary *p_self);
+godot_bool GDAPI godot_dictionary_is_empty(const godot_dictionary *p_self);
 
 void GDAPI godot_dictionary_clear(godot_dictionary *p_self);
 
diff --git a/modules/gdnative/include/gdnative/packed_arrays.h b/modules/gdnative/include/gdnative/packed_arrays.h
index ce9579f3072..135d4036fcc 100644
--- a/modules/gdnative/include/gdnative/packed_arrays.h
+++ b/modules/gdnative/include/gdnative/packed_arrays.h
@@ -195,7 +195,7 @@ uint8_t GDAPI godot_packed_byte_array_get(const godot_packed_byte_array *p_self,
 
 godot_int GDAPI godot_packed_byte_array_size(const godot_packed_byte_array *p_self);
 
-godot_bool GDAPI godot_packed_byte_array_empty(const godot_packed_byte_array *p_self);
+godot_bool GDAPI godot_packed_byte_array_is_empty(const godot_packed_byte_array *p_self);
 
 void GDAPI godot_packed_byte_array_destroy(godot_packed_byte_array *p_self);
 
@@ -231,7 +231,7 @@ int32_t GDAPI godot_packed_int32_array_get(const godot_packed_int32_array *p_sel
 
 godot_int GDAPI godot_packed_int32_array_size(const godot_packed_int32_array *p_self);
 
-godot_bool GDAPI godot_packed_int32_array_empty(const godot_packed_int32_array *p_self);
+godot_bool GDAPI godot_packed_int32_array_is_empty(const godot_packed_int32_array *p_self);
 
 void GDAPI godot_packed_int32_array_destroy(godot_packed_int32_array *p_self);
 
@@ -267,7 +267,7 @@ int64_t GDAPI godot_packed_int64_array_get(const godot_packed_int64_array *p_sel
 
 godot_int GDAPI godot_packed_int64_array_size(const godot_packed_int64_array *p_self);
 
-godot_bool GDAPI godot_packed_int64_array_empty(const godot_packed_int64_array *p_self);
+godot_bool GDAPI godot_packed_int64_array_is_empty(const godot_packed_int64_array *p_self);
 
 void GDAPI godot_packed_int64_array_destroy(godot_packed_int64_array *p_self);
 
@@ -303,7 +303,7 @@ float GDAPI godot_packed_float32_array_get(const godot_packed_float32_array *p_s
 
 godot_int GDAPI godot_packed_float32_array_size(const godot_packed_float32_array *p_self);
 
-godot_bool GDAPI godot_packed_float32_array_empty(const godot_packed_float32_array *p_self);
+godot_bool GDAPI godot_packed_float32_array_is_empty(const godot_packed_float32_array *p_self);
 
 void GDAPI godot_packed_float32_array_destroy(godot_packed_float32_array *p_self);
 
@@ -339,7 +339,7 @@ double GDAPI godot_packed_float64_array_get(const godot_packed_float64_array *p_
 
 godot_int GDAPI godot_packed_float64_array_size(const godot_packed_float64_array *p_self);
 
-godot_bool GDAPI godot_packed_float64_array_empty(const godot_packed_float64_array *p_self);
+godot_bool GDAPI godot_packed_float64_array_is_empty(const godot_packed_float64_array *p_self);
 
 void GDAPI godot_packed_float64_array_destroy(godot_packed_float64_array *p_self);
 
@@ -375,7 +375,7 @@ godot_string GDAPI godot_packed_string_array_get(const godot_packed_string_array
 
 godot_int GDAPI godot_packed_string_array_size(const godot_packed_string_array *p_self);
 
-godot_bool GDAPI godot_packed_string_array_empty(const godot_packed_string_array *p_self);
+godot_bool GDAPI godot_packed_string_array_is_empty(const godot_packed_string_array *p_self);
 
 void GDAPI godot_packed_string_array_destroy(godot_packed_string_array *p_self);
 
@@ -411,7 +411,7 @@ godot_vector2 GDAPI godot_packed_vector2_array_get(const godot_packed_vector2_ar
 
 godot_int GDAPI godot_packed_vector2_array_size(const godot_packed_vector2_array *p_self);
 
-godot_bool GDAPI godot_packed_vector2_array_empty(const godot_packed_vector2_array *p_self);
+godot_bool GDAPI godot_packed_vector2_array_is_empty(const godot_packed_vector2_array *p_self);
 
 void GDAPI godot_packed_vector2_array_destroy(godot_packed_vector2_array *p_self);
 
@@ -447,7 +447,7 @@ godot_vector2i GDAPI godot_packed_vector2i_array_get(const godot_packed_vector2i
 
 godot_int GDAPI godot_packed_vector2i_array_size(const godot_packed_vector2i_array *p_self);
 
-godot_bool GDAPI godot_packed_vector2i_array_empty(const godot_packed_vector2i_array *p_self);
+godot_bool GDAPI godot_packed_vector2i_array_is_empty(const godot_packed_vector2i_array *p_self);
 
 void GDAPI godot_packed_vector2i_array_destroy(godot_packed_vector2i_array *p_self);
 
@@ -483,7 +483,7 @@ godot_vector3 GDAPI godot_packed_vector3_array_get(const godot_packed_vector3_ar
 
 godot_int GDAPI godot_packed_vector3_array_size(const godot_packed_vector3_array *p_self);
 
-godot_bool GDAPI godot_packed_vector3_array_empty(const godot_packed_vector3_array *p_self);
+godot_bool GDAPI godot_packed_vector3_array_is_empty(const godot_packed_vector3_array *p_self);
 
 void GDAPI godot_packed_vector3_array_destroy(godot_packed_vector3_array *p_self);
 
@@ -519,7 +519,7 @@ godot_color GDAPI godot_packed_color_array_get(const godot_packed_color_array *p
 
 godot_int GDAPI godot_packed_color_array_size(const godot_packed_color_array *p_self);
 
-godot_bool GDAPI godot_packed_color_array_empty(const godot_packed_color_array *p_self);
+godot_bool GDAPI godot_packed_color_array_is_empty(const godot_packed_color_array *p_self);
 
 void GDAPI godot_packed_color_array_destroy(godot_packed_color_array *p_self);
 
diff --git a/modules/gdnative/include/gdnative/string.h b/modules/gdnative/include/gdnative/string.h
index 6043351e84e..101e119d4dd 100644
--- a/modules/gdnative/include/gdnative/string.h
+++ b/modules/gdnative/include/gdnative/string.h
@@ -256,7 +256,7 @@ godot_string GDAPI godot_string_sha1_text(const godot_string *p_self);
 godot_packed_byte_array GDAPI godot_string_sha256_buffer(const godot_string *p_self);
 godot_string GDAPI godot_string_sha256_text(const godot_string *p_self);
 
-godot_bool godot_string_empty(const godot_string *p_self);
+godot_bool godot_string_is_empty(const godot_string *p_self);
 
 // path functions
 godot_string GDAPI godot_string_get_base_dir(const godot_string *p_self);
diff --git a/modules/gdnative/include/text/godot_text.h b/modules/gdnative/include/text/godot_text.h
index 6885f2463dc..200a822e6de 100644
--- a/modules/gdnative/include/text/godot_text.h
+++ b/modules/gdnative/include/text/godot_text.h
@@ -218,7 +218,7 @@ godot_glyph GDAPI godot_packed_glyph_array_get(const godot_packed_glyph_array *p
 
 godot_int GDAPI godot_packed_glyph_array_size(const godot_packed_glyph_array *p_self);
 
-godot_bool GDAPI godot_packed_glyph_array_empty(const godot_packed_glyph_array *p_self);
+godot_bool GDAPI godot_packed_glyph_array_is_empty(const godot_packed_glyph_array *p_self);
 
 void GDAPI godot_packed_glyph_array_destroy(godot_packed_glyph_array *p_self);
 
diff --git a/modules/gdnative/nativescript/api_generator.cpp b/modules/gdnative/nativescript/api_generator.cpp
index 6f2f9bfea93..c10de8d5a03 100644
--- a/modules/gdnative/nativescript/api_generator.cpp
+++ b/modules/gdnative/nativescript/api_generator.cpp
@@ -295,7 +295,7 @@ List<ClassAPI> generate_c_api_classes() {
 
 				property_api.index = ClassDB::get_property_index(class_name, p->get().name);
 
-				if (!property_api.setter.empty() || !property_api.getter.empty()) {
+				if (!property_api.setter.is_empty() || !property_api.getter.is_empty()) {
 					class_api.properties.push_back(property_api);
 				}
 			}
diff --git a/modules/gdnative/nativescript/nativescript.cpp b/modules/gdnative/nativescript/nativescript.cpp
index 0939cfd06a3..ad2ae6fd4a4 100644
--- a/modules/gdnative/nativescript/nativescript.cpp
+++ b/modules/gdnative/nativescript/nativescript.cpp
@@ -717,7 +717,7 @@ String NativeScript::get_property_documentation(const StringName &p_path) const
 }
 
 Variant NativeScript::_new(const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
-	if (lib_path.empty() || class_name.empty() || library.is_null()) {
+	if (lib_path.is_empty() || class_name.is_empty() || library.is_null()) {
 		r_error.error = Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL;
 		return Variant();
 	}
@@ -1800,7 +1800,7 @@ bool NativeScriptLanguage::handles_global_class_type(const String &p_type) const
 }
 
 String NativeScriptLanguage::get_global_class_name(const String &p_path, String *r_base_type, String *r_icon_path) const {
-	if (!p_path.empty()) {
+	if (!p_path.is_empty()) {
 		Ref<NativeScript> script = ResourceLoader::load(p_path, "NativeScript");
 		if (script.is_valid()) {
 			if (r_base_type) {
diff --git a/modules/gdnative/pluginscript/pluginscript_language.cpp b/modules/gdnative/pluginscript/pluginscript_language.cpp
index df685e716f8..93e31819722 100644
--- a/modules/gdnative/pluginscript/pluginscript_language.cpp
+++ b/modules/gdnative/pluginscript/pluginscript_language.cpp
@@ -407,7 +407,7 @@ bool PluginScriptLanguage::handles_global_class_type(const String &p_type) const
 }
 
 String PluginScriptLanguage::get_global_class_name(const String &p_path, String *r_base_type, String *r_icon_path) const {
-	if (!p_path.empty()) {
+	if (!p_path.is_empty()) {
 		Ref<PluginScript> script = ResourceLoader::load(p_path, "PluginScript");
 		if (script.is_valid()) {
 			if (r_base_type) {
diff --git a/modules/gdnative/tests/test_string.h b/modules/gdnative/tests/test_string.h
index 2b1aa5bf285..7eccc74987e 100644
--- a/modules/gdnative/tests/test_string.h
+++ b/modules/gdnative/tests/test_string.h
@@ -259,11 +259,11 @@ TEST_CASE("[GDNative String] Testing for empty string") {
 	godot_string s;
 
 	godot_string_new_with_latin1_chars(&s, "Mellon");
-	CHECK(!godot_string_empty(&s));
+	CHECK(!godot_string_is_empty(&s));
 	godot_string_destroy(&s);
 
 	godot_string_new_with_latin1_chars(&s, "");
-	CHECK(godot_string_empty(&s));
+	CHECK(godot_string_is_empty(&s));
 	godot_string_destroy(&s);
 }
 
diff --git a/modules/gdnative/text/text_server_gdnative.cpp b/modules/gdnative/text/text_server_gdnative.cpp
index cb87adafe8e..baaa3c0e21d 100644
--- a/modules/gdnative/text/text_server_gdnative.cpp
+++ b/modules/gdnative/text/text_server_gdnative.cpp
@@ -839,9 +839,9 @@ godot_int GDAPI godot_packed_glyph_array_size(const godot_packed_glyph_array *p_
 	return self->size();
 }
 
-godot_bool GDAPI godot_packed_glyph_array_empty(const godot_packed_glyph_array *p_self) {
+godot_bool GDAPI godot_packed_glyph_array_is_empty(const godot_packed_glyph_array *p_self) {
 	const Vector<TextServer::Glyph> *self = (const Vector<TextServer::Glyph> *)p_self;
-	return self->empty();
+	return self->is_empty();
 }
 
 void GDAPI godot_packed_glyph_array_destroy(godot_packed_glyph_array *p_self) {
diff --git a/modules/gdnavigation/navigation_mesh_generator.cpp b/modules/gdnavigation/navigation_mesh_generator.cpp
index 3310123ca90..96e3007556c 100644
--- a/modules/gdnavigation/navigation_mesh_generator.cpp
+++ b/modules/gdnavigation/navigation_mesh_generator.cpp
@@ -151,7 +151,7 @@ void NavigationMeshGenerator::_parse_geometry(Transform p_accumulated_transform,
 	if (Object::cast_to<CSGShape3D>(p_node) && p_generate_from != NavigationMesh::PARSED_GEOMETRY_STATIC_COLLIDERS) {
 		CSGShape3D *csg_shape = Object::cast_to<CSGShape3D>(p_node);
 		Array meshes = csg_shape->get_meshes();
-		if (!meshes.empty()) {
+		if (!meshes.is_empty()) {
 			Ref<Mesh> mesh = meshes[1];
 			if (mesh.is_valid()) {
 				_add_mesh(mesh, p_accumulated_transform * csg_shape->get_transform(), p_verticies, p_indices);
diff --git a/modules/gdscript/gdscript.cpp b/modules/gdscript/gdscript.cpp
index 8fa2de70631..2220341b84c 100644
--- a/modules/gdscript/gdscript.cpp
+++ b/modules/gdscript/gdscript.cpp
@@ -425,7 +425,7 @@ void GDScript::_update_doc() {
 	_clear_doc();
 
 	doc.script_path = "\"" + get_path().get_slice("://", 1) + "\"";
-	if (!name.empty()) {
+	if (!name.is_empty()) {
 		doc.name = name;
 	} else {
 		doc.name = doc.script_path;
@@ -793,10 +793,10 @@ Error GDScript::reload(bool p_keep_state) {
 
 	{
 		String source_path = path;
-		if (source_path.empty()) {
+		if (source_path.is_empty()) {
 			source_path = get_path();
 		}
-		if (!source_path.empty()) {
+		if (!source_path.is_empty()) {
 			MutexLock lock(GDScriptCache::singleton->lock);
 			if (!GDScriptCache::singleton->shallow_gdscript_cache.has(source_path)) {
 				GDScriptCache::singleton->shallow_gdscript_cache[source_path] = this;
@@ -812,7 +812,7 @@ Error GDScript::reload(bool p_keep_state) {
 			GDScriptLanguage::get_singleton()->debug_break_parse(get_path(), parser.get_errors().front()->get().line, "Parser Error: " + parser.get_errors().front()->get().message);
 		}
 		// TODO: Show all error messages.
-		_err_print_error("GDScript::reload", path.empty() ? "built-in" : (const char *)path.utf8().get_data(), parser.get_errors().front()->get().line, ("Parse Error: " + parser.get_errors().front()->get().message).utf8().get_data(), ERR_HANDLER_SCRIPT);
+		_err_print_error("GDScript::reload", path.is_empty() ? "built-in" : (const char *)path.utf8().get_data(), parser.get_errors().front()->get().line, ("Parse Error: " + parser.get_errors().front()->get().message).utf8().get_data(), ERR_HANDLER_SCRIPT);
 		ERR_FAIL_V(ERR_PARSE_ERROR);
 	}
 
@@ -826,7 +826,7 @@ Error GDScript::reload(bool p_keep_state) {
 
 		const List<GDScriptParser::ParserError>::Element *e = parser.get_errors().front();
 		while (e != nullptr) {
-			_err_print_error("GDScript::reload", path.empty() ? "built-in" : (const char *)path.utf8().get_data(), e->get().line, ("Parse Error: " + e->get().message).utf8().get_data(), ERR_HANDLER_SCRIPT);
+			_err_print_error("GDScript::reload", path.is_empty() ? "built-in" : (const char *)path.utf8().get_data(), e->get().line, ("Parse Error: " + e->get().message).utf8().get_data(), ERR_HANDLER_SCRIPT);
 			e = e->next();
 		}
 		ERR_FAIL_V(ERR_PARSE_ERROR);
@@ -846,7 +846,7 @@ Error GDScript::reload(bool p_keep_state) {
 			if (EngineDebugger::is_active()) {
 				GDScriptLanguage::get_singleton()->debug_break_parse(get_path(), compiler.get_error_line(), "Parser Error: " + compiler.get_error());
 			}
-			_err_print_error("GDScript::reload", path.empty() ? "built-in" : (const char *)path.utf8().get_data(), compiler.get_error_line(), ("Compile Error: " + compiler.get_error()).utf8().get_data(), ERR_HANDLER_SCRIPT);
+			_err_print_error("GDScript::reload", path.is_empty() ? "built-in" : (const char *)path.utf8().get_data(), compiler.get_error_line(), ("Compile Error: " + compiler.get_error()).utf8().get_data(), ERR_HANDLER_SCRIPT);
 			ERR_FAIL_V(ERR_COMPILATION_FAILED);
 		} else {
 			return err;
@@ -2151,7 +2151,7 @@ String GDScriptLanguage::get_global_class_name(const String &p_path, String *r_b
 	if (err == OK) {
 		const GDScriptParser::ClassNode *c = parser.get_tree();
 		if (r_icon_path) {
-			if (c->icon_path.empty() || c->icon_path.is_abs_path()) {
+			if (c->icon_path.is_empty() || c->icon_path.is_abs_path()) {
 				*r_icon_path = c->icon_path;
 			} else if (c->icon_path.is_rel_path()) {
 				*r_icon_path = p_path.get_base_dir().plus_file(c->icon_path).simplify_path();
@@ -2163,7 +2163,7 @@ String GDScriptLanguage::get_global_class_name(const String &p_path, String *r_b
 			GDScriptParser subparser;
 			while (subclass) {
 				if (subclass->extends_used) {
-					if (!subclass->extends_path.empty()) {
+					if (!subclass->extends_path.is_empty()) {
 						if (subclass->extends.size() == 0) {
 							get_global_class_name(subclass->extends_path, r_base_type);
 							subclass = nullptr;
@@ -2177,7 +2177,7 @@ String GDScriptLanguage::get_global_class_name(const String &p_path, String *r_b
 							}
 							String subsource = subfile->get_as_utf8_string();
 
-							if (subsource.empty()) {
+							if (subsource.is_empty()) {
 								break;
 							}
 							String subpath = subclass->extends_path;
@@ -2374,7 +2374,7 @@ void ResourceFormatLoaderGDScript::get_dependencies(const String &p_path, List<S
 	ERR_FAIL_COND_MSG(!file, "Cannot open file '" + p_path + "'.");
 
 	String source = file->get_as_utf8_string();
-	if (source.empty()) {
+	if (source.is_empty()) {
 		return;
 	}
 
diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp
index 19951ff17da..a828cad1cfb 100644
--- a/modules/gdscript/gdscript_analyzer.cpp
+++ b/modules/gdscript/gdscript_analyzer.cpp
@@ -60,7 +60,7 @@ static const char *underscore_classes[] = {
 	nullptr,
 };
 static StringName get_real_class_name(const StringName &p_source) {
-	if (underscore_map.empty()) {
+	if (underscore_map.is_empty()) {
 		const char **class_name = underscore_classes;
 		while (*class_name != nullptr) {
 			underscore_map[*class_name] = String("_") + *class_name;
@@ -209,7 +209,7 @@ Error GDScriptAnalyzer::resolve_inheritance(GDScriptParser::ClassNode *p_class,
 
 		int extends_index = 0;
 
-		if (!p_class->extends_path.empty()) {
+		if (!p_class->extends_path.is_empty()) {
 			Ref<GDScriptParserRef> parser = get_parser_for(p_class->extends_path);
 			if (parser.is_null()) {
 				push_error(vformat(R"(Could not resolve super class path "%s".)", p_class->extends_path), p_class);
@@ -224,7 +224,7 @@ Error GDScriptAnalyzer::resolve_inheritance(GDScriptParser::ClassNode *p_class,
 
 			base = parser->get_parser()->head->get_datatype();
 		} else {
-			if (p_class->extends.empty()) {
+			if (p_class->extends.is_empty()) {
 				return ERR_PARSE_ERROR;
 			}
 			const StringName &name = p_class->extends[extends_index++];
@@ -376,7 +376,7 @@ GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::Type
 	result.type_source = result.ANNOTATED_EXPLICIT;
 	result.builtin_type = Variant::OBJECT;
 
-	if (p_type->type_chain.empty()) {
+	if (p_type->type_chain.is_empty()) {
 		// void.
 		result.kind = GDScriptParser::DataType::BUILTIN;
 		result.builtin_type = Variant::NIL;
@@ -3402,12 +3402,12 @@ Error GDScriptAnalyzer::resolve_inheritance() {
 
 Error GDScriptAnalyzer::resolve_interface() {
 	resolve_class_interface(parser->head);
-	return parser->errors.empty() ? OK : ERR_PARSE_ERROR;
+	return parser->errors.is_empty() ? OK : ERR_PARSE_ERROR;
 }
 
 Error GDScriptAnalyzer::resolve_body() {
 	resolve_class_body(parser->head);
-	return parser->errors.empty() ? OK : ERR_PARSE_ERROR;
+	return parser->errors.is_empty() ? OK : ERR_PARSE_ERROR;
 }
 
 Error GDScriptAnalyzer::resolve_program() {
@@ -3422,7 +3422,7 @@ Error GDScriptAnalyzer::resolve_program() {
 		}
 		depended_parsers[E->get()]->raise_status(GDScriptParserRef::FULLY_SOLVED);
 	}
-	return parser->errors.empty() ? OK : ERR_PARSE_ERROR;
+	return parser->errors.is_empty() ? OK : ERR_PARSE_ERROR;
 }
 
 Error GDScriptAnalyzer::analyze() {
diff --git a/modules/gdscript/gdscript_compiler.cpp b/modules/gdscript/gdscript_compiler.cpp
index af6991041ee..24b24ad534d 100644
--- a/modules/gdscript/gdscript_compiler.cpp
+++ b/modules/gdscript/gdscript_compiler.cpp
@@ -107,7 +107,7 @@ GDScriptDataType GDScriptCompiler::_gdtype_from_datatype(const GDScriptParser::D
 			// Locate class by constructing the path to it and following that path
 			GDScriptParser::ClassNode *class_type = p_datatype.class_type;
 			if (class_type) {
-				if (class_type->fqcn.begins_with(main_script->path) || (!main_script->name.empty() && class_type->fqcn.begins_with(main_script->name))) {
+				if (class_type->fqcn.begins_with(main_script->path) || (!main_script->name.is_empty() && class_type->fqcn.begins_with(main_script->name))) {
 					// Local class.
 					List<StringName> names;
 					while (class_type->outer) {
@@ -2231,7 +2231,7 @@ Error GDScriptCompiler::_parse_class_level(GDScript *p_script, const GDScriptPar
 				}
 				p_script->_signals[name] = parameters_names;
 #ifdef TOOLS_ENABLED
-				if (!signal->doc_description.empty()) {
+				if (!signal->doc_description.is_empty()) {
 					p_script->doc_signals[name] = signal->doc_description;
 				}
 #endif
diff --git a/modules/gdscript/gdscript_editor.cpp b/modules/gdscript/gdscript_editor.cpp
index 2181d17cf0b..c4d5982622e 100644
--- a/modules/gdscript/gdscript_editor.cpp
+++ b/modules/gdscript/gdscript_editor.cpp
@@ -123,10 +123,10 @@ static void get_function_names_recursively(const GDScriptParser::ClassNode *p_cl
 	for (int i = 0; i < p_class->members.size(); i++) {
 		if (p_class->members[i].type == GDScriptParser::ClassNode::Member::FUNCTION) {
 			const GDScriptParser::FunctionNode *function = p_class->members[i].function;
-			r_funcs[function->start_line] = p_prefix.empty() ? String(function->identifier->name) : p_prefix + "." + String(function->identifier->name);
+			r_funcs[function->start_line] = p_prefix.is_empty() ? String(function->identifier->name) : p_prefix + "." + String(function->identifier->name);
 		} else if (p_class->members[i].type == GDScriptParser::ClassNode::Member::CLASS) {
 			String new_prefix = p_class->members[i].m_class->identifier->name;
-			get_function_names_recursively(p_class->members[i].m_class, p_prefix.empty() ? new_prefix : p_prefix + "." + new_prefix, r_funcs);
+			get_function_names_recursively(p_class->members[i].m_class, p_prefix.is_empty() ? new_prefix : p_prefix + "." + new_prefix, r_funcs);
 		}
 	}
 }
@@ -476,7 +476,7 @@ String GDScriptLanguage::make_function(const String &p_class, const String &p_na
 			s += p_args[i].get_slice(":", 0);
 			if (th) {
 				String type = p_args[i].get_slice(":", 1);
-				if (!type.empty() && type != "var") {
+				if (!type.is_empty() && type != "var") {
 					s += ": " + type;
 				}
 			}
@@ -2511,7 +2511,7 @@ Error GDScriptLanguage::complete_code(const String &p_code, const String &p_path
 				break;
 			}
 
-			if (!type.enumeration.empty()) {
+			if (!type.enumeration.is_empty()) {
 				_find_enumeration_candidates(completion_context, type.enumeration, options);
 				r_forced = options.size() > 0;
 			} else {
diff --git a/modules/gdscript/gdscript_function.cpp b/modules/gdscript/gdscript_function.cpp
index 32372439c54..6d49022d3ca 100644
--- a/modules/gdscript/gdscript_function.cpp
+++ b/modules/gdscript/gdscript_function.cpp
@@ -114,7 +114,7 @@ void GDScriptFunction::debug_get_stack_member_state(int p_line, List<Pair<String
 			ERR_CONTINUE(!sdmap.has(sd.identifier));
 
 			sdmap[sd.identifier].pos.pop_back();
-			if (sdmap[sd.identifier].pos.empty()) {
+			if (sdmap[sd.identifier].pos.is_empty()) {
 				sdmap.erase(sd.identifier);
 			}
 		}
diff --git a/modules/gdscript/gdscript_parser.cpp b/modules/gdscript/gdscript_parser.cpp
index 2c735049b68..0c93702bfbb 100644
--- a/modules/gdscript/gdscript_parser.cpp
+++ b/modules/gdscript/gdscript_parser.cpp
@@ -47,7 +47,7 @@
 
 static HashMap<StringName, Variant::Type> builtin_types;
 Variant::Type GDScriptParser::get_builtin_type(const StringName &p_type) {
-	if (builtin_types.empty()) {
+	if (builtin_types.is_empty()) {
 		builtin_types["bool"] = Variant::BOOL;
 		builtin_types["int"] = Variant::INT;
 		builtin_types["float"] = Variant::FLOAT;
@@ -177,16 +177,16 @@ void GDScriptParser::push_error(const String &p_message, const Node *p_origin) {
 void GDScriptParser::push_warning(const Node *p_source, GDScriptWarning::Code p_code, const String &p_symbol1, const String &p_symbol2, const String &p_symbol3, const String &p_symbol4) {
 	ERR_FAIL_COND(p_source == nullptr);
 	Vector<String> symbols;
-	if (!p_symbol1.empty()) {
+	if (!p_symbol1.is_empty()) {
 		symbols.push_back(p_symbol1);
 	}
-	if (!p_symbol2.empty()) {
+	if (!p_symbol2.is_empty()) {
 		symbols.push_back(p_symbol2);
 	}
-	if (!p_symbol3.empty()) {
+	if (!p_symbol3.is_empty()) {
 		symbols.push_back(p_symbol3);
 	}
-	if (!p_symbol4.empty()) {
+	if (!p_symbol4.is_empty()) {
 		symbols.push_back(p_symbol4);
 	}
 	push_warning(p_source, p_code, symbols);
@@ -284,7 +284,7 @@ void GDScriptParser::pop_completion_call() {
 	if (!for_completion) {
 		return;
 	}
-	ERR_FAIL_COND_MSG(completion_call_stack.empty(), "Trying to pop empty completion call stack");
+	ERR_FAIL_COND_MSG(completion_call_stack.is_empty(), "Trying to pop empty completion call stack");
 	completion_call_stack.pop_back();
 }
 
@@ -292,7 +292,7 @@ void GDScriptParser::set_last_completion_call_arg(int p_argument) {
 	if (!for_completion || passed_cursor) {
 		return;
 	}
-	ERR_FAIL_COND_MSG(completion_call_stack.empty(), "Trying to set argument on empty completion call stack");
+	ERR_FAIL_COND_MSG(completion_call_stack.is_empty(), "Trying to set argument on empty completion call stack");
 	completion_call_stack.back()->get().argument = p_argument;
 }
 
@@ -358,7 +358,7 @@ Error GDScriptParser::parse(const String &p_source_code, const String &p_script_
 	}
 #endif
 
-	if (errors.empty()) {
+	if (errors.is_empty()) {
 		return OK;
 	} else {
 		return ERR_PARSE_ERROR;
@@ -369,7 +369,7 @@ GDScriptTokenizer::Token GDScriptParser::advance() {
 	if (current.type == GDScriptTokenizer::Token::TK_EOF) {
 		ERR_FAIL_COND_V_MSG(current.type == GDScriptTokenizer::Token::TK_EOF, current, "GDScript parser bug: Trying to advance past the end of stream.");
 	}
-	if (for_completion && !completion_call_stack.empty()) {
+	if (for_completion && !completion_call_stack.is_empty()) {
 		if (completion_call.call == nullptr && tokenizer.is_past_cursor()) {
 			completion_call = completion_call_stack.back()->get();
 			passed_cursor = true;
@@ -500,7 +500,7 @@ void GDScriptParser::parse_program() {
 		// Order here doesn't matter, but there should be only one of each at most.
 		switch (current.type) {
 			case GDScriptTokenizer::Token::CLASS_NAME:
-				if (!annotation_stack.empty()) {
+				if (!annotation_stack.is_empty()) {
 					push_error(R"("class_name" should be used before annotations.)");
 				}
 				advance();
@@ -511,7 +511,7 @@ void GDScriptParser::parse_program() {
 				}
 				break;
 			case GDScriptTokenizer::Token::EXTENDS:
-				if (!annotation_stack.empty()) {
+				if (!annotation_stack.is_empty()) {
 					push_error(R"("extends" should be used before annotations.)");
 				}
 				advance();
@@ -675,7 +675,7 @@ void GDScriptParser::parse_class_member(T *(GDScriptParser::*p_parse_function)()
 #endif // TOOLS_ENABLED
 
 	// Consume annotations.
-	while (!annotation_stack.empty()) {
+	while (!annotation_stack.is_empty()) {
 		AnnotationNode *last_annotation = annotation_stack.back()->get();
 		if (last_annotation->applies_to(p_target)) {
 			last_annotation->apply(this, member);
@@ -1698,7 +1698,7 @@ GDScriptParser::MatchBranchNode *GDScriptParser::parse_match_branch() {
 		branch->patterns.push_back(pattern);
 	} while (match(GDScriptTokenizer::Token::COMMA));
 
-	if (branch->patterns.empty()) {
+	if (branch->patterns.is_empty()) {
 		push_error(R"(No pattern found for "match" branch.)");
 	}
 
@@ -2751,7 +2751,7 @@ String GDScriptParser::get_doc_comment(int p_line, bool p_single_line) {
 		}
 		String line_join = (in_codeblock) ? "\n" : " ";
 
-		doc = (doc.empty()) ? doc_line : doc + line_join + doc_line;
+		doc = (doc.is_empty()) ? doc_line : doc + line_join + doc_line;
 		line++;
 	}
 
@@ -2845,7 +2845,7 @@ void GDScriptParser::get_class_doc_comment(int p_line, String &p_brief, String &
 
 			mode = TUTORIALS;
 			in_codeblock = false;
-		} else if (striped_line.empty()) {
+		} else if (striped_line.is_empty()) {
 			continue;
 		} else {
 			// Tutorial docs are single line, we need a @tag after it.
@@ -3280,11 +3280,11 @@ String GDScriptParser::DataType::to_string() const {
 				return script_type->get_class_name().operator String();
 			}
 			String name = script_type->get_name();
-			if (!name.empty()) {
+			if (!name.is_empty()) {
 				return name;
 			}
 			name = script_path;
-			if (!name.empty()) {
+			if (!name.is_empty()) {
 				return name;
 			}
 			return native_type.operator String();
@@ -3329,7 +3329,7 @@ void GDScriptParser::TreePrinter::decrease_indent() {
 }
 
 void GDScriptParser::TreePrinter::push_line(const String &p_line) {
-	if (!p_line.empty()) {
+	if (!p_line.is_empty()) {
 		push_text(p_line);
 	}
 	printed += "\n";
@@ -3538,7 +3538,7 @@ void GDScriptParser::TreePrinter::print_class(ClassNode *p_class) {
 	if (p_class->extends_used) {
 		bool first = true;
 		push_text(" Extends ");
-		if (!p_class->extends_path.empty()) {
+		if (!p_class->extends_path.is_empty()) {
 			push_text(vformat(R"("%s")", p_class->extends_path));
 			first = false;
 		}
@@ -4000,7 +4000,7 @@ void GDScriptParser::TreePrinter::print_ternary_op(TernaryOpNode *p_ternary_op)
 }
 
 void GDScriptParser::TreePrinter::print_type(TypeNode *p_type) {
-	if (p_type->type_chain.empty()) {
+	if (p_type->type_chain.is_empty()) {
 		push_text("Void");
 	} else {
 		for (int i = 0; i < p_type->type_chain.size(); i++) {
@@ -4120,7 +4120,7 @@ void GDScriptParser::TreePrinter::print_tree(const GDScriptParser &p_parser) {
 	if (p_parser.is_tool()) {
 		push_line("@tool");
 	}
-	if (!p_parser.get_tree()->icon_path.empty()) {
+	if (!p_parser.get_tree()->icon_path.is_empty()) {
 		push_text(R"(@icon (")");
 		push_text(p_parser.get_tree()->icon_path);
 		push_line("\")");
diff --git a/modules/gdscript/gdscript_tokenizer.cpp b/modules/gdscript/gdscript_tokenizer.cpp
index ac43105254d..febb0662230 100644
--- a/modules/gdscript/gdscript_tokenizer.cpp
+++ b/modules/gdscript/gdscript_tokenizer.cpp
@@ -221,7 +221,7 @@ String GDScriptTokenizer::get_token_name(Token::Type p_token_type) {
 
 void GDScriptTokenizer::set_source_code(const String &p_source_code) {
 	source = p_source_code;
-	if (source.empty()) {
+	if (source.is_empty()) {
 		_source = U"";
 	} else {
 		_source = source.ptr();
@@ -287,7 +287,7 @@ void GDScriptTokenizer::push_paren(char32_t p_char) {
 }
 
 bool GDScriptTokenizer::pop_paren(char32_t p_expected) {
-	if (paren_stack.empty()) {
+	if (paren_stack.is_empty()) {
 		return false;
 	}
 	char32_t actual = paren_stack.back()->get();
@@ -405,7 +405,7 @@ void GDScriptTokenizer::push_error(const Token &p_error) {
 }
 
 GDScriptTokenizer::Token GDScriptTokenizer::make_paren_error(char32_t p_paren) {
-	if (paren_stack.empty()) {
+	if (paren_stack.is_empty()) {
 		return make_error(vformat("Closing \"%c\" doesn't have an opening counterpart.", p_paren));
 	}
 	Token error = make_error(vformat("Closing \"%c\" doesn't match the opening \"%c\".", p_paren, paren_stack.back()->get()));
diff --git a/modules/gdscript/gdscript_tokenizer.h b/modules/gdscript/gdscript_tokenizer.h
index f236c86f9fa..70556d71667 100644
--- a/modules/gdscript/gdscript_tokenizer.h
+++ b/modules/gdscript/gdscript_tokenizer.h
@@ -230,7 +230,7 @@ private:
 	_FORCE_INLINE_ bool _is_at_end() { return position >= length; }
 	_FORCE_INLINE_ char32_t _peek(int p_offset = 0) { return position + p_offset >= 0 && position + p_offset < length ? _current[p_offset] : '\0'; }
 	int indent_level() const { return indent_stack.size(); }
-	bool has_error() const { return !error_stack.empty(); }
+	bool has_error() const { return !error_stack.is_empty(); }
 	Token pop_error();
 	char32_t _advance();
 	void _skip_whitespace();
diff --git a/modules/gdscript/gdscript_vm.cpp b/modules/gdscript/gdscript_vm.cpp
index b8e1791467b..dacd7df4981 100644
--- a/modules/gdscript/gdscript_vm.cpp
+++ b/modules/gdscript/gdscript_vm.cpp
@@ -2282,7 +2282,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
 				VariantInternal::initialize(counter, Variant::INT);
 				*VariantInternal::get_int(counter) = 0;
 
-				if (!str->empty()) {
+				if (!str->is_empty()) {
 					GET_INSTRUCTION_ARG(iterator, 2);
 					VariantInternal::initialize(iterator, Variant::STRING);
 					*VariantInternal::get_string(iterator) = str->substr(0, 1);
@@ -2308,7 +2308,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
 				const Variant *next = dict->next(nullptr);
 				*counter = *next;
 
-				if (!dict->empty()) {
+				if (!dict->is_empty()) {
 					GET_INSTRUCTION_ARG(iterator, 2);
 					*iterator = *next;
 
@@ -2334,7 +2334,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
 				VariantInternal::initialize(counter, Variant::INT);
 				*VariantInternal::get_int(counter) = 0;
 
-				if (!array->empty()) {
+				if (!array->is_empty()) {
 					GET_INSTRUCTION_ARG(iterator, 2);
 					*iterator = array->get(0);
 
@@ -2357,7 +2357,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
 		Vector<m_elem_type> *array = VariantInternal::m_get_func(container);                                               \
 		VariantInternal::initialize(counter, Variant::INT);                                                                \
 		*VariantInternal::get_int(counter) = 0;                                                                            \
-		if (!array->empty()) {                                                                                             \
+		if (!array->is_empty()) {                                                                                          \
 			GET_INSTRUCTION_ARG(iterator, 2);                                                                              \
 			VariantInternal::initialize(iterator, Variant::m_var_ret_type);                                                \
 			m_ret_type *it = VariantInternal::m_ret_get_func(iterator);                                                    \
@@ -2781,7 +2781,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
 						GET_INSTRUCTION_ARG(message, 1);
 						message_str = *message;
 					}
-					if (message_str.empty()) {
+					if (message_str.is_empty()) {
 						err_text = "Assertion failed.";
 					} else {
 						err_text = "Assertion failed: " + message_str;
diff --git a/modules/gdscript/language_server/gdscript_extend_parser.cpp b/modules/gdscript/language_server/gdscript_extend_parser.cpp
index bd2d170e523..d2d2c232492 100644
--- a/modules/gdscript/language_server/gdscript_extend_parser.cpp
+++ b/modules/gdscript/language_server/gdscript_extend_parser.cpp
@@ -147,7 +147,7 @@ void ExtendGDScriptParser::parse_class_symbol(const GDScriptParser::ClassNode *p
 	r_symbol.script_path = path;
 	r_symbol.children.clear();
 	r_symbol.name = p_class->identifier != nullptr ? String(p_class->identifier->name) : String();
-	if (r_symbol.name.empty()) {
+	if (r_symbol.name.is_empty()) {
 		r_symbol.name = path.get_file();
 	}
 	r_symbol.kind = lsp::SymbolKind::Class;
@@ -215,9 +215,9 @@ void ExtendGDScriptParser::parse_class_symbol(const GDScriptParser::ClassNode *p
 				String value_text;
 				if (default_value.get_type() == Variant::OBJECT) {
 					RES res = default_value;
-					if (res.is_valid() && !res->get_path().empty()) {
+					if (res.is_valid() && !res->get_path().is_empty()) {
 						value_text = "preload(\"" + res->get_path() + "\")";
-						if (symbol.documentation.empty()) {
+						if (symbol.documentation.is_empty()) {
 							if (Map<String, ExtendGDScriptParser *>::Element *S = GDScriptLanguageProtocol::get_singleton()->get_workspace()->scripts.find(res->get_path())) {
 								symbol.documentation = S->get()->class_symbol.documentation;
 							}
@@ -228,7 +228,7 @@ void ExtendGDScriptParser::parse_class_symbol(const GDScriptParser::ClassNode *p
 				} else {
 					value_text = JSON::print(default_value);
 				}
-				if (!value_text.empty()) {
+				if (!value_text.is_empty()) {
 					symbol.detail += " = " + value_text;
 				}
 
@@ -453,7 +453,7 @@ String ExtendGDScriptParser::get_text_for_lookup_symbol(const lsp::Position &p_c
 			String line = lines[i];
 			String first_part = line.substr(0, p_cursor.character);
 			String last_part = line.substr(p_cursor.character + 1, lines[i].length());
-			if (!p_symbol.empty()) {
+			if (!p_symbol.is_empty()) {
 				String left_cursor_text;
 				for (int c = p_cursor.character - 1; c >= 0; c--) {
 					left_cursor_text = line.substr(c, p_cursor.character - c);
@@ -589,7 +589,7 @@ const lsp::DocumentSymbol *ExtendGDScriptParser::get_symbol_defined_at_line(int
 }
 
 const lsp::DocumentSymbol *ExtendGDScriptParser::get_member_symbol(const String &p_name, const String &p_subclass) const {
-	if (p_subclass.empty()) {
+	if (p_subclass.is_empty()) {
 		const lsp::DocumentSymbol *const *ptr = members.getptr(p_name);
 		if (ptr) {
 			return *ptr;
@@ -611,7 +611,7 @@ const List<lsp::DocumentLink> &ExtendGDScriptParser::get_document_links() const
 }
 
 const Array &ExtendGDScriptParser::get_member_completions() {
-	if (member_completions.empty()) {
+	if (member_completions.is_empty()) {
 		const String *name = members.next(nullptr);
 		while (name) {
 			const lsp::DocumentSymbol *symbol = members.get(*name);
diff --git a/modules/gdscript/language_server/gdscript_language_protocol.cpp b/modules/gdscript/language_server/gdscript_language_protocol.cpp
index 729be237ec1..cf96722c820 100644
--- a/modules/gdscript/language_server/gdscript_language_protocol.cpp
+++ b/modules/gdscript/language_server/gdscript_language_protocol.cpp
@@ -96,7 +96,7 @@ Error GDScriptLanguageProtocol::LSPeer::handle_data() {
 
 		// Response
 		String output = GDScriptLanguageProtocol::get_singleton()->process_message(msg);
-		if (!output.empty()) {
+		if (!output.is_empty()) {
 			res_queue.push_back(output.utf8());
 		}
 	}
@@ -105,7 +105,7 @@ Error GDScriptLanguageProtocol::LSPeer::handle_data() {
 
 Error GDScriptLanguageProtocol::LSPeer::send_data() {
 	int sent = 0;
-	if (!res_queue.empty()) {
+	if (!res_queue.is_empty()) {
 		CharString c_res = res_queue[0];
 		if (res_sent < c_res.size()) {
 			Error err = connection->put_partial_data((const uint8_t *)c_res.get_data() + res_sent, c_res.size() - res_sent - 1, sent);
@@ -141,7 +141,7 @@ void GDScriptLanguageProtocol::on_client_disconnected(const int &p_client_id) {
 
 String GDScriptLanguageProtocol::process_message(const String &p_text) {
 	String ret = process_string(p_text);
-	if (ret.empty()) {
+	if (ret.is_empty()) {
 		return ret;
 	} else {
 		return format_output(ret);
diff --git a/modules/gdscript/language_server/gdscript_text_document.cpp b/modules/gdscript/language_server/gdscript_text_document.cpp
index c6fe3169dcf..abe849059fc 100644
--- a/modules/gdscript/language_server/gdscript_text_document.cpp
+++ b/modules/gdscript/language_server/gdscript_text_document.cpp
@@ -147,7 +147,7 @@ Array GDScriptTextDocument::completion(const Dictionary &p_params) {
 	List<ScriptCodeCompletionOption> options;
 	GDScriptLanguageProtocol::get_singleton()->get_workspace()->completion(params, &options);
 
-	if (!options.empty()) {
+	if (!options.is_empty()) {
 		int i = 0;
 		arr.resize(options.size());
 
@@ -257,7 +257,7 @@ Dictionary GDScriptTextDocument::resolve(const Dictionary &p_params) {
 
 	if ((item.kind == lsp::CompletionItemKind::Method || item.kind == lsp::CompletionItemKind::Function) && !item.label.ends_with("):")) {
 		item.insertText = item.label + "(";
-		if (symbol && symbol->children.empty()) {
+		if (symbol && symbol->children.is_empty()) {
 			item.insertText += ")";
 		}
 	} else if (item.kind == lsp::CompletionItemKind::Event) {
@@ -341,7 +341,7 @@ Variant GDScriptTextDocument::declaration(const Dictionary &p_params) {
 	params.load(p_params);
 	List<const lsp::DocumentSymbol *> symbols;
 	Array arr = this->find_symbols(params, symbols);
-	if (arr.empty() && !symbols.empty() && !symbols.front()->get()->native_class.empty()) { // Find a native symbol
+	if (arr.is_empty() && !symbols.is_empty() && !symbols.front()->get()->native_class.is_empty()) { // Find a native symbol
 		const lsp::DocumentSymbol *symbol = symbols.front()->get();
 		if (GDScriptLanguageProtocol::get_singleton()->is_goto_native_symbols_enabled()) {
 			String id;
@@ -425,7 +425,7 @@ Array GDScriptTextDocument::find_symbols(const lsp::TextDocumentPositionParams &
 		GDScriptLanguageProtocol::get_singleton()->get_workspace()->resolve_related_symbols(p_location, list);
 		for (List<const lsp::DocumentSymbol *>::Element *E = list.front(); E; E = E->next()) {
 			if (const lsp::DocumentSymbol *s = E->get()) {
-				if (!s->uri.empty()) {
+				if (!s->uri.is_empty()) {
 					lsp::Location location;
 					location.uri = s->uri;
 					location.range = s->range;
diff --git a/modules/gdscript/language_server/gdscript_workspace.cpp b/modules/gdscript/language_server/gdscript_workspace.cpp
index 60668e7b318..bccb239f281 100644
--- a/modules/gdscript/language_server/gdscript_workspace.cpp
+++ b/modules/gdscript/language_server/gdscript_workspace.cpp
@@ -80,7 +80,7 @@ const lsp::DocumentSymbol *GDScriptWorkspace::get_native_symbol(const String &p_
 		if (const Map<StringName, lsp::DocumentSymbol>::Element *E = native_symbols.find(class_name)) {
 			const lsp::DocumentSymbol &class_symbol = E->value();
 
-			if (p_member.empty()) {
+			if (p_member.is_empty()) {
 				return &class_symbol;
 			} else {
 				for (int i = 0; i < class_symbol.children.size(); i++) {
@@ -171,7 +171,7 @@ ExtendGDScriptParser *GDScriptWorkspace::get_parse_result(const String &p_path)
 Array GDScriptWorkspace::symbol(const Dictionary &p_params) {
 	String query = p_params["query"];
 	Array arr;
-	if (!query.empty()) {
+	if (!query.is_empty()) {
 		for (Map<String, ExtendGDScriptParser *>::Element *E = scripts.front(); E; E = E->next()) {
 			Vector<lsp::DocumentedSymbolInformation> script_symbols;
 			E->get()->get_symbols().symbol_tree_as_list(E->key(), script_symbols);
@@ -199,7 +199,7 @@ Error GDScriptWorkspace::initialize() {
 		class_symbol.native_class = class_name;
 		class_symbol.kind = lsp::SymbolKind::Class;
 		class_symbol.detail = String("<Native> class ") + class_name;
-		if (!class_data.inherits.empty()) {
+		if (!class_data.inherits.is_empty()) {
 			class_symbol.detail += " extends " + class_data.inherits;
 		}
 		class_symbol.documentation = class_data.brief_description + "\n" + class_data.description;
@@ -263,7 +263,7 @@ Error GDScriptWorkspace::initialize() {
 				symbol_arg.kind = lsp::SymbolKind::Variable;
 				symbol_arg.detail = arg.type;
 
-				if (!arg_default_value_started && !arg.default_value.empty()) {
+				if (!arg_default_value_started && !arg.default_value.is_empty()) {
 					arg_default_value_started = true;
 				}
 				String arg_str = arg.name + ": " + arg.type;
@@ -278,11 +278,11 @@ Error GDScriptWorkspace::initialize() {
 				symbol.children.push_back(symbol_arg);
 			}
 			if (data.qualifiers.find("vararg") != -1) {
-				params += params.empty() ? "..." : ", ...";
+				params += params.is_empty() ? "..." : ", ...";
 			}
 
 			String return_type = data.return_type;
-			if (return_type.empty()) {
+			if (return_type.is_empty()) {
 				return_type = "void";
 			}
 			symbol.detail = "func " + class_name + "." + data.name + "(" + params + ") -> " + return_type;
@@ -448,13 +448,13 @@ const lsp::DocumentSymbol *GDScriptWorkspace::resolve_symbol(const lsp::TextDocu
 		}
 
 		lsp::Position pos = p_doc_pos.position;
-		if (symbol_identifier.empty()) {
+		if (symbol_identifier.is_empty()) {
 			Vector2i offset;
 			symbol_identifier = parser->get_identifier_under_position(p_doc_pos.position, offset);
 			pos.character += offset.y;
 		}
 
-		if (!symbol_identifier.empty()) {
+		if (!symbol_identifier.is_empty()) {
 			if (ScriptServer::is_global_class(symbol_identifier)) {
 				String class_path = ScriptServer::get_global_class_path(symbol_identifier);
 				symbol = get_script_symbol(class_path);
@@ -474,7 +474,7 @@ const lsp::DocumentSymbol *GDScriptWorkspace::resolve_symbol(const lsp::TextDocu
 
 					} else {
 						String member = ret.class_member;
-						if (member.empty() && symbol_identifier != ret.class_name) {
+						if (member.is_empty() && symbol_identifier != ret.class_name) {
 							member = symbol_identifier;
 						}
 						symbol = get_native_symbol(ret.class_name, member);
@@ -529,7 +529,7 @@ void GDScriptWorkspace::resolve_related_symbols(const lsp::TextDocumentPositionP
 const lsp::DocumentSymbol *GDScriptWorkspace::resolve_native_symbol(const lsp::NativeSymbolInspectParams &p_params) {
 	if (Map<StringName, lsp::DocumentSymbol>::Element *E = native_symbols.find(p_params.native_class)) {
 		const lsp::DocumentSymbol &symbol = E->get();
-		if (p_params.symbol_name.empty() || p_params.symbol_name == symbol.name) {
+		if (p_params.symbol_name.is_empty() || p_params.symbol_name == symbol.name) {
 			return &symbol;
 		}
 
diff --git a/modules/gdscript/language_server/lsp.hpp b/modules/gdscript/language_server/lsp.hpp
index 1029c53bbf9..e844a402e23 100644
--- a/modules/gdscript/language_server/lsp.hpp
+++ b/modules/gdscript/language_server/lsp.hpp
@@ -687,7 +687,7 @@ struct Diagnostic {
 		dict["severity"] = severity;
 		dict["message"] = message;
 		dict["source"] = source;
-		if (!relatedInformation.empty()) {
+		if (!relatedInformation.is_empty()) {
 			Array arr;
 			arr.resize(relatedInformation.size());
 			for (int i = 0; i < relatedInformation.size(); i++) {
@@ -1191,7 +1191,7 @@ struct DocumentSymbol {
 
 	void symbol_tree_as_list(const String &p_uri, Vector<DocumentedSymbolInformation> &r_list, const String &p_container = "", bool p_join_name = false) const {
 		DocumentedSymbolInformation si;
-		if (p_join_name && !p_container.empty()) {
+		if (p_join_name && !p_container.is_empty()) {
 			si.name = p_container + ">" + name;
 		} else {
 			si.name = name;
diff --git a/modules/gdscript/tests/test_gdscript.cpp b/modules/gdscript/tests/test_gdscript.cpp
index 643c2f10a26..29efa33e700 100644
--- a/modules/gdscript/tests/test_gdscript.cpp
+++ b/modules/gdscript/tests/test_gdscript.cpp
@@ -239,7 +239,7 @@ void init_autoloads() {
 void test(TestType p_type) {
 	List<String> cmdlargs = OS::get_singleton()->get_cmdline_args();
 
-	if (cmdlargs.empty()) {
+	if (cmdlargs.is_empty()) {
 		return;
 	}
 
diff --git a/modules/gltf/editor_scene_exporter_gltf_plugin.cpp b/modules/gltf/editor_scene_exporter_gltf_plugin.cpp
index 0680b124b4a..894d7150b57 100644
--- a/modules/gltf/editor_scene_exporter_gltf_plugin.cpp
+++ b/modules/gltf/editor_scene_exporter_gltf_plugin.cpp
@@ -82,7 +82,7 @@ void SceneExporterGLTFPlugin::convert_scene_to_gltf2() {
 		return;
 	}
 	String filename = String(root->get_filename().get_file().get_basename());
-	if (filename.empty()) {
+	if (filename.is_empty()) {
 		filename = root->get_name();
 	}
 	file_export_lib->set_current_file(filename + String(".gltf"));
diff --git a/modules/gltf/gltf_document.cpp b/modules/gltf/gltf_document.cpp
index 55f2cd0c439..3adeaefbaf3 100644
--- a/modules/gltf/gltf_document.cpp
+++ b/modules/gltf/gltf_document.cpp
@@ -204,7 +204,7 @@ Error GLTFDocument::_serialize_scenes(Ref<GLTFState> state) {
 
 	if (state->nodes.size()) {
 		Dictionary s;
-		if (!state->scene_name.empty()) {
+		if (!state->scene_name.is_empty()) {
 			s["name"] = state->scene_name;
 		}
 
@@ -395,7 +395,7 @@ Error GLTFDocument::_serialize_nodes(Ref<GLTFState> state) {
 		Ref<GLTFNode> n = state->nodes[i];
 		Dictionary extensions;
 		node["extensions"] = extensions;
-		if (!n->get_name().empty()) {
+		if (!n->get_name().is_empty()) {
 			node["name"] = n->get_name();
 		}
 		if (n->camera != -1) {
@@ -493,7 +493,7 @@ String GLTFDocument::_sanitize_bone_name(const String &name) {
 
 String GLTFDocument::_gen_unique_bone_name(Ref<GLTFState> state, const GLTFSkeletonIndex skel_i, const String &p_name) {
 	String s_name = _sanitize_bone_name(p_name);
-	if (s_name.empty()) {
+	if (s_name.is_empty()) {
 		s_name = "bone";
 	}
 	String name;
@@ -2703,7 +2703,7 @@ Error GLTFDocument::_serialize_images(Ref<GLTFState> state, const String &p_path
 			d["mimeType"] = "image/png";
 		} else {
 			String name = state->images[i]->get_name();
-			if (name.empty()) {
+			if (name.is_empty()) {
 				name = itos(i);
 			}
 			name = _gen_unique_name(state, name);
@@ -2785,7 +2785,7 @@ Error GLTFDocument::_parse_images(Ref<GLTFState> state, const String &p_base_pat
 				data_ptr = data.ptr();
 				data_size = data.size();
 				// mimeType is optional, but if we have it defined in the URI, let's use it.
-				if (mimetype.empty()) {
+				if (mimetype.is_empty()) {
 					if (uri.begins_with("data:image/png;base64")) {
 						mimetype = "image/png";
 					} else if (uri.begins_with("data:image/jpeg;base64")) {
@@ -2814,7 +2814,7 @@ Error GLTFDocument::_parse_images(Ref<GLTFState> state, const String &p_base_pat
 			}
 		} else if (d.has("bufferView")) {
 			// Handles the third bullet point from the spec (bufferView).
-			ERR_FAIL_COND_V_MSG(mimetype.empty(), ERR_FILE_CORRUPT,
+			ERR_FAIL_COND_V_MSG(mimetype.is_empty(), ERR_FILE_CORRUPT,
 					vformat("glTF: Image index '%d' specifies 'bufferView' but no 'mimeType', which is invalid.", i));
 
 			const GLTFBufferViewIndex bvi = d["bufferView"];
@@ -2936,7 +2936,7 @@ Error GLTFDocument::_serialize_materials(Ref<GLTFState> state) {
 			materials.push_back(d);
 			continue;
 		}
-		if (!material->get_name().empty()) {
+		if (!material->get_name().is_empty()) {
 			d["name"] = _gen_unique_name(state, material->get_name());
 		}
 		{
@@ -4071,7 +4071,7 @@ Error GLTFDocument::_create_skeletons(Ref<GLTFState> state) {
 		// a sorted order, and DEPTH FIRST
 		bones.sort();
 
-		while (!bones.empty()) {
+		while (!bones.is_empty()) {
 			const GLTFNodeIndex node_i = bones.front()->get();
 			bones.pop_front();
 
@@ -4096,7 +4096,7 @@ Error GLTFDocument::_create_skeletons(Ref<GLTFState> state) {
 
 			const int bone_index = skeleton->get_bone_count();
 
-			if (node->get_name().empty()) {
+			if (node->get_name().is_empty()) {
 				node->set_name("bone");
 			}
 
@@ -4153,7 +4153,7 @@ Error GLTFDocument::_create_skins(Ref<GLTFState> state) {
 		skin.instance();
 
 		// Some skins don't have IBM's! What absolute monsters!
-		const bool has_ibms = !gltf_skin->inverse_binds.empty();
+		const bool has_ibms = !gltf_skin->inverse_binds.is_empty();
 
 		for (int joint_i = 0; joint_i < gltf_skin->joints_original.size(); ++joint_i) {
 			GLTFNodeIndex node = gltf_skin->joints_original[joint_i];
@@ -4181,7 +4181,7 @@ Error GLTFDocument::_create_skins(Ref<GLTFState> state) {
 	// Create unique names now, after removing duplicates
 	for (GLTFSkinIndex skin_i = 0; skin_i < state->skins.size(); ++skin_i) {
 		Ref<Skin> skin = state->skins.write[skin_i]->godot_skin;
-		if (skin->get_name().empty()) {
+		if (skin->get_name().is_empty()) {
 			// Make a unique name, no gltf node represents this skin
 			skin->set_name(_gen_unique_name(state, "Skin"));
 		}
@@ -4447,7 +4447,7 @@ Error GLTFDocument::_serialize_animations(Ref<GLTFState> state) {
 			continue;
 		}
 
-		if (!gltf_animation->get_name().empty()) {
+		if (!gltf_animation->get_name().is_empty()) {
 			d["name"] = gltf_animation->get_name();
 		}
 		Array channels;
@@ -4707,7 +4707,7 @@ void GLTFDocument::_assign_scene_names(Ref<GLTFState> state) {
 		if (n->skeleton >= 0)
 			continue;
 
-		if (n->get_name().empty()) {
+		if (n->get_name().is_empty()) {
 			if (n->mesh >= 0) {
 				n->set_name(_gen_unique_name(state, "Mesh"));
 			} else if (n->camera >= 0) {
@@ -5407,7 +5407,7 @@ void GLTFDocument::_import_animation(Ref<GLTFState> state, AnimationPlayer *ap,
 	Ref<GLTFAnimation> anim = state->animations[index];
 
 	String name = anim->get_name();
-	if (name.empty()) {
+	if (name.is_empty()) {
 		// No node represent these, and they are not in the hierarchy, so just make a unique name
 		name = _gen_unique_name(state, "Animation");
 	}
@@ -5652,7 +5652,7 @@ void GLTFDocument::_convert_mesh_instances(Ref<GLTFState> state) {
 		Ref<GLTFSkeleton> gltf_skeleton = state->skeletons.write[skeleton_gltf_i];
 		for (int32_t bind_i = 0; bind_i < skin->get_bind_count(); bind_i++) {
 			String godot_bone_name = skin->get_bind_name(bind_i);
-			if (godot_bone_name.empty()) {
+			if (godot_bone_name.is_empty()) {
 				int32_t bone = skin->get_bind_bone(bind_i);
 				godot_bone_name = skeleton->get_bone_name(bone);
 			}
diff --git a/modules/jsonrpc/jsonrpc.cpp b/modules/jsonrpc/jsonrpc.cpp
index 320da182f8e..d1d8e18583c 100644
--- a/modules/jsonrpc/jsonrpc.cpp
+++ b/modules/jsonrpc/jsonrpc.cpp
@@ -151,7 +151,7 @@ Variant JSONRPC::process_action(const Variant &p_action, bool p_process_arr_elem
 }
 
 String JSONRPC::process_string(const String &p_input) {
-	if (p_input.empty()) {
+	if (p_input.is_empty()) {
 		return String();
 	}
 
diff --git a/modules/lightmapper_rd/lightmapper_rd.cpp b/modules/lightmapper_rd/lightmapper_rd.cpp
index 66995382e79..566fdbc7913 100644
--- a/modules/lightmapper_rd/lightmapper_rd.cpp
+++ b/modules/lightmapper_rd/lightmapper_rd.cpp
@@ -40,8 +40,8 @@
 //#define DEBUG_TEXTURES
 
 void LightmapperRD::add_mesh(const MeshData &p_mesh) {
-	ERR_FAIL_COND(p_mesh.albedo_on_uv2.is_null() || p_mesh.albedo_on_uv2->empty());
-	ERR_FAIL_COND(p_mesh.emission_on_uv2.is_null() || p_mesh.emission_on_uv2->empty());
+	ERR_FAIL_COND(p_mesh.albedo_on_uv2.is_null() || p_mesh.albedo_on_uv2->is_empty());
+	ERR_FAIL_COND(p_mesh.emission_on_uv2.is_null() || p_mesh.emission_on_uv2->is_empty());
 	ERR_FAIL_COND(p_mesh.albedo_on_uv2->get_width() != p_mesh.emission_on_uv2->get_width());
 	ERR_FAIL_COND(p_mesh.albedo_on_uv2->get_height() != p_mesh.emission_on_uv2->get_height());
 	ERR_FAIL_COND(p_mesh.points.size() == 0);
diff --git a/modules/mbedtls/crypto_mbedtls.cpp b/modules/mbedtls/crypto_mbedtls.cpp
index 4ea38ebd600..56bdd20e6b3 100644
--- a/modules/mbedtls/crypto_mbedtls.cpp
+++ b/modules/mbedtls/crypto_mbedtls.cpp
@@ -205,7 +205,7 @@ Error HMACContextMbedTLS::start(HashingContext::HashType p_hash_type, PackedByte
 	ERR_FAIL_COND_V_MSG(ctx != nullptr, ERR_FILE_ALREADY_IN_USE, "HMACContext already started.");
 
 	// HMAC keys can be any size.
-	ERR_FAIL_COND_V_MSG(p_key.empty(), ERR_INVALID_PARAMETER, "Key must not be empty.");
+	ERR_FAIL_COND_V_MSG(p_key.is_empty(), ERR_INVALID_PARAMETER, "Key must not be empty.");
 
 	hash_type = p_hash_type;
 	mbedtls_md_type_t ht = CryptoMbedTLS::md_type_from_hashtype(p_hash_type, hash_len);
@@ -224,7 +224,7 @@ Error HMACContextMbedTLS::start(HashingContext::HashType p_hash_type, PackedByte
 Error HMACContextMbedTLS::update(PackedByteArray p_data) {
 	ERR_FAIL_COND_V_MSG(ctx == nullptr, ERR_INVALID_DATA, "Start must be called before update.");
 
-	ERR_FAIL_COND_V_MSG(p_data.empty(), ERR_INVALID_PARAMETER, "Src must not be empty.");
+	ERR_FAIL_COND_V_MSG(p_data.is_empty(), ERR_INVALID_PARAMETER, "Src must not be empty.");
 
 	int ret = mbedtls_md_hmac_update((mbedtls_md_context_t *)ctx, (const uint8_t *)p_data.ptr(), (size_t)p_data.size());
 	return ret ? FAILED : OK;
diff --git a/modules/mono/class_db_api_json.cpp b/modules/mono/class_db_api_json.cpp
index e3119a8da75..5f7e0b23083 100644
--- a/modules/mono/class_db_api_json.cpp
+++ b/modules/mono/class_db_api_json.cpp
@@ -71,7 +71,7 @@ void class_db_api_to_json(const String &p_output_file, ClassDB::APIType p_api) {
 			while ((k = t->method_map.next(k))) {
 				String name = k->operator String();
 
-				ERR_CONTINUE(name.empty());
+				ERR_CONTINUE(name.is_empty());
 
 				if (name[0] == '_') {
 					continue; // Ignore non-virtual methods that start with an underscore
@@ -122,7 +122,7 @@ void class_db_api_to_json(const String &p_output_file, ClassDB::APIType p_api) {
 				method_dict["hint_flags"] = mb->get_hint_flags();
 			}
 
-			if (!methods.empty()) {
+			if (!methods.is_empty()) {
 				class_dict["methods"] = methods;
 			}
 		}
@@ -149,7 +149,7 @@ void class_db_api_to_json(const String &p_output_file, ClassDB::APIType p_api) {
 				constant_dict["value"] = t->constant_map[F->get()];
 			}
 
-			if (!constants.empty()) {
+			if (!constants.is_empty()) {
 				class_dict["constants"] = constants;
 			}
 		}
@@ -184,7 +184,7 @@ void class_db_api_to_json(const String &p_output_file, ClassDB::APIType p_api) {
 				}
 			}
 
-			if (!signals.empty()) {
+			if (!signals.is_empty()) {
 				class_dict["signals"] = signals;
 			}
 		}
@@ -214,7 +214,7 @@ void class_db_api_to_json(const String &p_output_file, ClassDB::APIType p_api) {
 				property_dict["getter"] = psg->getter;
 			}
 
-			if (!properties.empty()) {
+			if (!properties.is_empty()) {
 				class_dict["property_setget"] = properties;
 			}
 		}
@@ -233,7 +233,7 @@ void class_db_api_to_json(const String &p_output_file, ClassDB::APIType p_api) {
 			property_dict["usage"] = F->get().usage;
 		}
 
-		if (!property_list.empty()) {
+		if (!property_list.is_empty()) {
 			class_dict["property_list"] = property_list;
 		}
 	}
diff --git a/modules/mono/csharp_script.cpp b/modules/mono/csharp_script.cpp
index 136bde631e3..381e45f5a35 100644
--- a/modules/mono/csharp_script.cpp
+++ b/modules/mono/csharp_script.cpp
@@ -400,7 +400,7 @@ bool CSharpLanguage::supports_builtin_mode() const {
 
 #ifdef TOOLS_ENABLED
 static String variant_type_to_managed_name(const String &p_var_type_name) {
-	if (p_var_type_name.empty()) {
+	if (p_var_type_name.is_empty()) {
 		return "object";
 	}
 
@@ -762,7 +762,7 @@ bool CSharpLanguage::is_assembly_reloading_needed() {
 
 	String appname = ProjectSettings::get_singleton()->get("application/config/name");
 	String appname_safe = OS::get_singleton()->get_safe_dir_name(appname);
-	if (appname_safe.empty()) {
+	if (appname_safe.is_empty()) {
 		appname_safe = "UnnamedProject";
 	}
 
@@ -859,7 +859,7 @@ void CSharpLanguage::reload_assemblies(bool p_soft_reload) {
 
 		to_reload.push_back(script);
 
-		if (script->get_path().empty()) {
+		if (script->get_path().is_empty()) {
 			script->tied_class_name_for_reload = script->script_class->get_name_for_lookup();
 			script->tied_class_namespace_for_reload = script->script_class->get_namespace();
 		}
@@ -976,7 +976,7 @@ void CSharpLanguage::reload_assemblies(bool p_soft_reload) {
 #endif
 		script->signals_invalidated = true;
 
-		if (!script->get_path().empty()) {
+		if (!script->get_path().is_empty()) {
 			script->reload(p_soft_reload);
 
 			if (!script->valid) {
@@ -1446,7 +1446,7 @@ Map<Object *, CSharpScriptBinding>::Element *CSharpLanguage::insert_script_bindi
 void CSharpLanguage::free_instance_binding_data(void *p_data) {
 	if (GDMono::get_singleton() == nullptr) {
 #ifdef DEBUG_ENABLED
-		CRASH_COND(!script_bindings.empty());
+		CRASH_COND(!script_bindings.is_empty());
 #endif
 		// Mono runtime finalized, all the gchandle bindings were already released
 		return;
@@ -3128,7 +3128,7 @@ CSharpInstance *CSharpScript::_create_instance(const Variant **p_args, int p_arg
 		ERR_FAIL_COND_V_MSG(p_argcount == 0, nullptr,
 				"Cannot create script instance. The class '" + script_class->get_full_name() +
 						"' does not define a parameterless constructor." +
-						(get_path().empty() ? String() : " Path: '" + get_path() + "'."));
+						(get_path().is_empty() ? String() : " Path: '" + get_path() + "'."));
 
 		ERR_FAIL_V_MSG(nullptr, "Constructor not found.");
 	}
@@ -3283,7 +3283,7 @@ bool CSharpScript::instance_has(const Object *p_this) const {
 }
 
 bool CSharpScript::has_source_code() const {
-	return !source.empty();
+	return !source.is_empty();
 }
 
 String CSharpScript::get_source_code() const {
@@ -3598,7 +3598,7 @@ Error CSharpScript::load_source_code(const String &p_path) {
 void CSharpScript::_update_name() {
 	String path = get_path();
 
-	if (!path.empty()) {
+	if (!path.is_empty()) {
 		name = get_path().get_file().get_basename();
 	}
 }
diff --git a/modules/mono/editor/bindings_generator.cpp b/modules/mono/editor/bindings_generator.cpp
index ad7e5d4200b..32283d814eb 100644
--- a/modules/mono/editor/bindings_generator.cpp
+++ b/modules/mono/editor/bindings_generator.cpp
@@ -181,7 +181,7 @@ static String snake_to_camel_case(const String &p_identifier, bool p_input_is_up
 String BindingsGenerator::bbcode_to_xml(const String &p_bbcode, const TypeInterface *p_itype) {
 	// Based on the version in EditorHelp
 
-	if (p_bbcode.empty()) {
+	if (p_bbcode.is_empty()) {
 		return String();
 	}
 
@@ -644,7 +644,7 @@ String BindingsGenerator::bbcode_to_xml(const String &p_bbcode, const TypeInterf
 }
 
 int BindingsGenerator::_determine_enum_prefix(const EnumInterface &p_ienum) {
-	CRASH_COND(p_ienum.constants.empty());
+	CRASH_COND(p_ienum.constants.is_empty());
 
 	const ConstantInterface &front_iconstant = p_ienum.constants.front()->get();
 	Vector<String> front_parts = front_iconstant.name.split("_", /* p_allow_empty: */ true);
@@ -819,7 +819,7 @@ void BindingsGenerator::_generate_global_constants(StringBuilder &p_output) {
 		p_output.append(";");
 	}
 
-	if (!global_constants.empty()) {
+	if (!global_constants.is_empty()) {
 		p_output.append("\n");
 	}
 
@@ -830,7 +830,7 @@ void BindingsGenerator::_generate_global_constants(StringBuilder &p_output) {
 	for (List<EnumInterface>::Element *E = global_enums.front(); E; E = E->next()) {
 		const EnumInterface &ienum = E->get();
 
-		CRASH_COND(ienum.constants.empty());
+		CRASH_COND(ienum.constants.is_empty());
 
 		String enum_proxy_name = ienum.cname.operator String();
 
@@ -1283,7 +1283,7 @@ Error BindingsGenerator::_generate_cs_type(const TypeInterface &itype, const Str
 	for (const List<EnumInterface>::Element *E = itype.enums.front(); E; E = E->next()) {
 		const EnumInterface &ienum = E->get();
 
-		ERR_FAIL_COND_V(ienum.constants.empty(), ERR_BUG);
+		ERR_FAIL_COND_V(ienum.constants.is_empty(), ERR_BUG);
 
 		output.append(MEMBER_BEGIN "public enum ");
 		output.append(ienum.cname.operator String());
@@ -1661,14 +1661,14 @@ Error BindingsGenerator::_generate_cs_method(const BindingsGenerator::TypeInterf
 			cs_in_statements += def_arg;
 			cs_in_statements += ";\n" INDENT3;
 
-			icall_params += arg_type->cs_in.empty() ? arg_in : sformat(arg_type->cs_in, arg_in);
+			icall_params += arg_type->cs_in.is_empty() ? arg_in : sformat(arg_type->cs_in, arg_in);
 
 			// Apparently the name attribute must not include the @
 			String param_tag_name = iarg.name.begins_with("@") ? iarg.name.substr(1, iarg.name.length()) : iarg.name;
 
 			default_args_doc.append(MEMBER_BEGIN "/// <param name=\"" + param_tag_name + "\">If the parameter is null, then the default value is " + def_arg + "</param>");
 		} else {
-			icall_params += arg_type->cs_in.empty() ? iarg.name : sformat(arg_type->cs_in, iarg.name);
+			icall_params += arg_type->cs_in.is_empty() ? iarg.name : sformat(arg_type->cs_in, iarg.name);
 		}
 	}
 
@@ -1714,7 +1714,7 @@ Error BindingsGenerator::_generate_cs_method(const BindingsGenerator::TypeInterf
 		}
 
 		if (p_imethod.is_deprecated) {
-			if (p_imethod.deprecation_message.empty()) {
+			if (p_imethod.deprecation_message.is_empty()) {
 				WARN_PRINT("An empty deprecation message is discouraged. Method: '" + p_imethod.proxy_name + "'.");
 			}
 
@@ -1782,7 +1782,7 @@ Error BindingsGenerator::_generate_cs_method(const BindingsGenerator::TypeInterf
 
 		if (return_type->cname == name_cache.type_void) {
 			p_output.append(im_call + "(" + icall_params + ");\n");
-		} else if (return_type->cs_out.empty()) {
+		} else if (return_type->cs_out.is_empty()) {
 			p_output.append("return " + im_call + "(" + icall_params + ");\n");
 		} else {
 			p_output.append(sformat(return_type->cs_out, im_call, icall_params, return_type->cs_type, return_type->im_type_out));
@@ -1839,7 +1839,7 @@ Error BindingsGenerator::_generate_cs_signal(const BindingsGenerator::TypeInterf
 		}
 
 		if (p_isignal.is_deprecated) {
-			if (p_isignal.deprecation_message.empty()) {
+			if (p_isignal.deprecation_message.is_empty()) {
 				WARN_PRINT("An empty deprecation message is discouraged. Signal: '" + p_isignal.proxy_name + "'.");
 			}
 
@@ -2263,7 +2263,7 @@ Error BindingsGenerator::_generate_glue_method(const BindingsGenerator::TypeInte
 		}
 
 		if (!ret_void) {
-			if (return_type->c_out.empty()) {
+			if (return_type->c_out.is_empty()) {
 				p_output.append("\treturn " C_LOCAL_RET ";\n");
 			} else if (return_type->ret_as_byref_arg) {
 				p_output.append(sformat(return_type->c_out, return_type->c_type_out, C_LOCAL_RET, return_type->name, "arg_ret"));
@@ -2585,7 +2585,7 @@ bool BindingsGenerator::_populate_object_type_interfaces() {
 
 			int argc = method_info.arguments.size();
 
-			if (method_info.name.empty()) {
+			if (method_info.name.is_empty()) {
 				continue;
 			}
 
diff --git a/modules/mono/editor/code_completion.cpp b/modules/mono/editor/code_completion.cpp
index 2d37b1306cc..a7ab87aaaf5 100644
--- a/modules/mono/editor/code_completion.cpp
+++ b/modules/mono/editor/code_completion.cpp
@@ -150,7 +150,7 @@ PackedStringArray get_code_completion(CompletionKind p_kind, const String &p_scr
 			List<String> directories;
 			directories.push_back(dir_access->get_current_dir());
 
-			while (!directories.empty()) {
+			while (!directories.is_empty()) {
 				dir_access->change_dir(directories.back()->get());
 				directories.pop_back();
 
diff --git a/modules/mono/editor/editor_internal_calls.cpp b/modules/mono/editor/editor_internal_calls.cpp
index f9be19bbe28..21a2c14e3d0 100644
--- a/modules/mono/editor/editor_internal_calls.cpp
+++ b/modules/mono/editor/editor_internal_calls.cpp
@@ -195,7 +195,7 @@ int32_t godot_icall_ScriptClassParser_ParseFile(MonoString *p_filepath, MonoObje
 		}
 	} else {
 		String error_str = scp.get_error();
-		if (!error_str.empty()) {
+		if (!error_str.is_empty()) {
 			*r_error_str = GDMonoMarshal::mono_string_from_godot(error_str);
 		}
 	}
diff --git a/modules/mono/glue/scene_tree_glue.cpp b/modules/mono/glue/scene_tree_glue.cpp
index 88695201a38..a96918dafa2 100644
--- a/modules/mono/glue/scene_tree_glue.cpp
+++ b/modules/mono/glue/scene_tree_glue.cpp
@@ -48,7 +48,7 @@ Array *godot_icall_SceneTree_get_nodes_in_group_Generic(SceneTree *ptr, StringNa
 	ptr->get_nodes_in_group(*group, &nodes);
 
 	// No need to bother if the group is empty
-	if (!nodes.empty()) {
+	if (!nodes.is_empty()) {
 		MonoType *elem_type = mono_reflection_type_get_type(refltype);
 		MonoClass *mono_class = mono_class_from_mono_type(elem_type);
 		GDMonoClass *klass = GDMono::get_singleton()->get_class(mono_class);
diff --git a/modules/mono/godotsharp_dirs.cpp b/modules/mono/godotsharp_dirs.cpp
index 093a935288a..e0ddf5cd33b 100644
--- a/modules/mono/godotsharp_dirs.cpp
+++ b/modules/mono/godotsharp_dirs.cpp
@@ -146,7 +146,7 @@ private:
 
 		String appname = ProjectSettings::get_singleton()->get("application/config/name");
 		String appname_safe = OS::get_singleton()->get_safe_dir_name(appname);
-		if (appname_safe.empty()) {
+		if (appname_safe.is_empty()) {
 			appname_safe = "UnnamedProject";
 		}
 
diff --git a/modules/mono/mono_gd/gd_mono.cpp b/modules/mono/mono_gd/gd_mono.cpp
index 772961291cf..db33151eb3b 100644
--- a/modules/mono/mono_gd/gd_mono.cpp
+++ b/modules/mono/mono_gd/gd_mono.cpp
@@ -142,7 +142,7 @@ void gd_mono_debug_init() {
 	int da_timeout = GLOBAL_DEF("mono/debugger_agent/wait_timeout", 3000);
 
 	if (Engine::get_singleton()->is_editor_hint() ||
-			ProjectSettings::get_singleton()->get_resource_path().empty() ||
+			ProjectSettings::get_singleton()->get_resource_path().is_empty() ||
 			Main::is_project_manager()) {
 		if (da_args.size() == 0) {
 			return;
@@ -297,7 +297,7 @@ void GDMono::determine_mono_dirs(String &r_assembly_rootdir, String &r_config_di
 	}
 
 #ifdef WINDOWS_ENABLED
-	if (r_assembly_rootdir.empty() || r_config_dir.empty()) {
+	if (r_assembly_rootdir.is_empty() || r_config_dir.is_empty()) {
 		ERR_PRINT("Cannot find Mono in the registry.");
 		// Assertion: if they are not set, then they weren't found in the registry
 		CRASH_COND(mono_reg_info.assembly_dir.length() > 0 || mono_reg_info.config_dir.length() > 0);
@@ -360,7 +360,7 @@ void GDMono::initialize() {
 #ifndef TOOLS_ENABLED
 	// Exported games that don't use C# must still work. They likely don't ship with mscorlib.
 	// We only initialize the Mono runtime if we can find mscorlib. Otherwise it would crash.
-	if (GDMonoAssembly::find_assembly("mscorlib.dll").empty()) {
+	if (GDMonoAssembly::find_assembly("mscorlib.dll").is_empty()) {
 		print_verbose("Mono: Skipping runtime initialization because 'mscorlib.dll' could not be found");
 		return;
 	}
@@ -944,7 +944,7 @@ void GDMono::_load_api_assemblies() {
 
 		// 2. Update the API assemblies
 		String update_error = update_api_assemblies_from_prebuilt("Debug", &core_api_assembly.out_of_sync, &editor_api_assembly.out_of_sync);
-		CRASH_COND_MSG(!update_error.empty(), update_error);
+		CRASH_COND_MSG(!update_error.is_empty(), update_error);
 
 		// 3. Load the scripts domain again
 		Error domain_load_err = _load_scripts_domain();
@@ -998,7 +998,7 @@ bool GDMono::_load_project_assembly() {
 
 	String appname = ProjectSettings::get_singleton()->get("application/config/name");
 	String appname_safe = OS::get_singleton()->get_safe_dir_name(appname);
-	if (appname_safe.empty()) {
+	if (appname_safe.is_empty()) {
 		appname_safe = "UnnamedProject";
 	}
 
diff --git a/modules/mono/mono_gd/gd_mono_assembly.cpp b/modules/mono/mono_gd/gd_mono_assembly.cpp
index 33628b3ce3b..b3e30cdecdb 100644
--- a/modules/mono/mono_gd/gd_mono_assembly.cpp
+++ b/modules/mono/mono_gd/gd_mono_assembly.cpp
@@ -48,20 +48,20 @@ Vector<String> GDMonoAssembly::search_dirs;
 void GDMonoAssembly::fill_search_dirs(Vector<String> &r_search_dirs, const String &p_custom_config, const String &p_custom_bcl_dir) {
 	String framework_dir;
 
-	if (!p_custom_bcl_dir.empty()) {
+	if (!p_custom_bcl_dir.is_empty()) {
 		framework_dir = p_custom_bcl_dir;
 	} else if (mono_assembly_getrootdir()) {
 		framework_dir = String::utf8(mono_assembly_getrootdir()).plus_file("mono").plus_file("4.5");
 	}
 
-	if (!framework_dir.empty()) {
+	if (!framework_dir.is_empty()) {
 		r_search_dirs.push_back(framework_dir);
 		r_search_dirs.push_back(framework_dir.plus_file("Facades"));
 	}
 
 #if !defined(TOOLS_ENABLED)
 	String data_game_assemblies_dir = GodotSharpDirs::get_data_game_assemblies_dir();
-	if (!data_game_assemblies_dir.empty()) {
+	if (!data_game_assemblies_dir.is_empty()) {
 		r_search_dirs.push_back(data_game_assemblies_dir);
 	}
 #endif
@@ -72,7 +72,7 @@ void GDMonoAssembly::fill_search_dirs(Vector<String> &r_search_dirs, const Strin
 		r_search_dirs.push_back(GodotSharpDirs::get_res_temp_assemblies_dir());
 	}
 
-	if (p_custom_config.empty()) {
+	if (p_custom_config.is_empty()) {
 		r_search_dirs.push_back(GodotSharpDirs::get_res_assemblies_dir());
 	} else {
 		String api_config = p_custom_config == "ExportRelease" ? "Release" : "Debug";
@@ -230,7 +230,7 @@ void GDMonoAssembly::initialize() {
 
 MonoAssembly *GDMonoAssembly::_real_load_assembly_from(const String &p_path, bool p_refonly, MonoAssemblyName *p_aname) {
 	Vector<uint8_t> data = FileAccess::get_file_as_array(p_path);
-	ERR_FAIL_COND_V_MSG(data.empty(), nullptr, "Could read the assembly in the specified location");
+	ERR_FAIL_COND_V_MSG(data.is_empty(), nullptr, "Could read the assembly in the specified location");
 
 	String image_filename;
 
@@ -423,7 +423,7 @@ GDMonoClass *GDMonoAssembly::get_object_derived_class(const StringName &p_class)
 				match = current;
 			}
 
-			while (!nested_classes.empty()) {
+			while (!nested_classes.is_empty()) {
 				GDMonoClass *current_nested = nested_classes.front()->get();
 				nested_classes.pop_front();
 
diff --git a/modules/mono/utils/path_utils.cpp b/modules/mono/utils/path_utils.cpp
index a24097924ee..039afa8411f 100644
--- a/modules/mono/utils/path_utils.cpp
+++ b/modules/mono/utils/path_utils.cpp
@@ -136,7 +136,7 @@ String realpath(const String &p_path) {
 }
 
 String join(const String &p_a, const String &p_b) {
-	if (p_a.empty()) {
+	if (p_a.is_empty()) {
 		return p_b;
 	}
 
@@ -165,7 +165,7 @@ String relative_to_impl(const String &p_path, const String &p_relative_to) {
 	} else {
 		String base_dir = p_relative_to.get_base_dir();
 
-		if (base_dir.length() <= 2 && (base_dir.empty() || base_dir.ends_with(":"))) {
+		if (base_dir.length() <= 2 && (base_dir.is_empty() || base_dir.ends_with(":"))) {
 			return p_path;
 		}
 
diff --git a/modules/pvr/texture_loader_pvr.cpp b/modules/pvr/texture_loader_pvr.cpp
index c9cbb1935a3..40847cf9cb0 100644
--- a/modules/pvr/texture_loader_pvr.cpp
+++ b/modules/pvr/texture_loader_pvr.cpp
@@ -153,7 +153,7 @@ RES ResourceFormatPVR::load(const String &p_path, const String &p_original_path,
 	}
 
 	Ref<Image> image = memnew(Image(width, height, mipmaps, format, data));
-	ERR_FAIL_COND_V(image->empty(), RES());
+	ERR_FAIL_COND_V(image->is_empty(), RES());
 
 	Ref<ImageTexture> texture = memnew(ImageTexture);
 	texture->create_from_image(image);
diff --git a/modules/text_server_adv/dynamic_font_adv.cpp b/modules/text_server_adv/dynamic_font_adv.cpp
index 99d78a5299a..af14138c6a7 100644
--- a/modules/text_server_adv/dynamic_font_adv.cpp
+++ b/modules/text_server_adv/dynamic_font_adv.cpp
@@ -55,7 +55,7 @@ DynamicFontDataAdvanced::DataAtSize *DynamicFontDataAdvanced::get_data_for_size(
 		fds = E->get();
 	} else {
 		if (font_mem == nullptr && font_path != String()) {
-			if (!font_mem_cache.empty()) {
+			if (!font_mem_cache.is_empty()) {
 				font_mem = font_mem_cache.ptr();
 				font_mem_size = font_mem_cache.size();
 			} else {
@@ -171,7 +171,7 @@ DynamicFontDataAdvanced::DataAtSize *DynamicFontDataAdvanced::get_data_for_size(
 			}
 
 			FT_Set_Var_Design_Coordinates(fds->face, coords.size(), coords.ptrw());
-			hb_font_set_variations(fds->hb_handle, hb_vars.empty() ? nullptr : &hb_vars[0], hb_vars.size());
+			hb_font_set_variations(fds->hb_handle, hb_vars.is_empty() ? nullptr : &hb_vars[0], hb_vars.size());
 
 			FT_Done_MM_Var(library, amaster);
 		}
diff --git a/modules/text_server_adv/text_server_adv.cpp b/modules/text_server_adv/text_server_adv.cpp
index 3a706286e56..671c2fa0298 100644
--- a/modules/text_server_adv/text_server_adv.cpp
+++ b/modules/text_server_adv/text_server_adv.cpp
@@ -171,7 +171,7 @@ bool TextServerAdvanced::load_support_data(const String &p_filename) {
 	}
 #else
 	if (icu_data == nullptr) {
-		String filename = (p_filename.empty()) ? String("res://") + _MKSTR(ICU_DATA_NAME) : p_filename;
+		String filename = (p_filename.is_empty()) ? String("res://") + _MKSTR(ICU_DATA_NAME) : p_filename;
 
 		FileAccess *f = FileAccess::open(filename, FileAccess::READ);
 		if (!f) {
@@ -1061,7 +1061,7 @@ bool TextServerAdvanced::shaped_text_add_string(RID p_shaped, const String &p_te
 	ERR_FAIL_COND_V(!sd, false);
 	ERR_FAIL_COND_V(p_size <= 0, false);
 
-	if (p_text.empty()) {
+	if (p_text.is_empty()) {
 		return true;
 	}
 
@@ -1984,7 +1984,7 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
 			ftrs.push_back(feature);
 		}
 	}
-	hb_shape(hb_font, p_sd->hb_buffer, ftrs.empty() ? nullptr : &ftrs[0], ftrs.size());
+	hb_shape(hb_font, p_sd->hb_buffer, ftrs.is_empty() ? nullptr : &ftrs[0], ftrs.size());
 
 	unsigned int glyph_count = 0;
 	hb_glyph_info_t *glyph_info = hb_buffer_get_glyph_infos(p_sd->hb_buffer, &glyph_count);
@@ -2131,7 +2131,7 @@ bool TextServerAdvanced::shaped_text_shape(RID p_shaped) {
 		sd->script_iter = memnew(ScriptIterator(sd->text, 0, sd->text.length()));
 	}
 
-	if (sd->bidi_override.empty()) {
+	if (sd->bidi_override.is_empty()) {
 		sd->bidi_override.push_back(Vector2i(0, sd->end));
 	}
 
diff --git a/modules/upnp/upnp.cpp b/modules/upnp/upnp.cpp
index 988bf3017d9..3c9bf9a4b4a 100644
--- a/modules/upnp/upnp.cpp
+++ b/modules/upnp/upnp.cpp
@@ -36,7 +36,7 @@
 #include <stdlib.h>
 
 bool UPNP::is_common_device(const String &dev) const {
-	return dev.empty() ||
+	return dev.is_empty() ||
 		   dev.find("InternetGatewayDevice") >= 0 ||
 		   dev.find("WANIPConnection") >= 0 ||
 		   dev.find("WANPPPConnection") >= 0 ||
@@ -76,7 +76,7 @@ int UPNP::discover(int timeout, int ttl, const String &device_filter) {
 	struct UPNPDev *dev = devlist;
 
 	while (dev) {
-		if (device_filter.empty() || strstr(dev->st, device_filter.utf8().get_data())) {
+		if (device_filter.is_empty() || strstr(dev->st, device_filter.utf8().get_data())) {
 			add_device_to_list(dev, devlist);
 		}
 
diff --git a/modules/upnp/upnp_device.cpp b/modules/upnp/upnp_device.cpp
index 40eb6106a0d..34af6898be6 100644
--- a/modules/upnp/upnp_device.cpp
+++ b/modules/upnp/upnp_device.cpp
@@ -65,7 +65,7 @@ int UPNPDevice::add_port_mapping(int port, int port_internal, String desc, Strin
 			itos(port).utf8().get_data(),
 			itos(port_internal).utf8().get_data(),
 			igd_our_addr.utf8().get_data(),
-			desc.empty() ? nullptr : desc.utf8().get_data(),
+			desc.is_empty() ? nullptr : desc.utf8().get_data(),
 			proto.utf8().get_data(),
 			nullptr, // Remote host, always nullptr as IGDs don't support it
 			duration > 0 ? itos(duration).utf8().get_data() : nullptr);
diff --git a/modules/visual_script/visual_script.cpp b/modules/visual_script/visual_script.cpp
index f9ef184579f..18a104ffb06 100644
--- a/modules/visual_script/visual_script.cpp
+++ b/modules/visual_script/visual_script.cpp
@@ -810,7 +810,7 @@ void VisualScript::get_custom_signal_list(List<StringName> *r_custom_signals) co
 int VisualScript::get_available_id() const {
 	int max_id = 0;
 	for (Map<StringName, Function>::Element *E = functions.front(); E; E = E->next()) {
-		if (E->get().nodes.empty()) {
+		if (E->get().nodes.is_empty()) {
 			continue;
 		}
 
@@ -1401,7 +1401,7 @@ Set<int> VisualScript::get_output_sequence_ports_connected(const String &edited_
 }
 
 VisualScript::~VisualScript() {
-	while (!functions.empty()) {
+	while (!functions.is_empty()) {
 		remove_function(functions.front()->key());
 	}
 }
@@ -1506,7 +1506,7 @@ void VisualScriptInstance::_dependency_step(VisualScriptNodeInstance *node, int
 
 	pass_stack[node->pass_idx] = p_pass;
 
-	if (!node->dependencies.empty()) {
+	if (!node->dependencies.is_empty()) {
 		int dc = node->dependencies.size();
 		VisualScriptNodeInstance **deps = node->dependencies.ptrw();
 
@@ -1593,7 +1593,7 @@ Variant VisualScriptInstance::_call_internal(const StringName &p_method, void *p
 		} else {
 			//run dependencies first
 
-			if (!node->dependencies.empty()) {
+			if (!node->dependencies.is_empty()) {
 				int dc = node->dependencies.size();
 				VisualScriptNodeInstance **deps = node->dependencies.ptrw();
 
diff --git a/modules/visual_script/visual_script_editor.cpp b/modules/visual_script/visual_script_editor.cpp
index 19de5d4adc4..91a258d4128 100644
--- a/modules/visual_script/visual_script_editor.cpp
+++ b/modules/visual_script/visual_script_editor.cpp
@@ -724,7 +724,7 @@ void VisualScriptEditor::_update_graph(int p_only_id) {
 				line_edit->connect("text_changed", callable_mp(this, &VisualScriptEditor::_expression_text_changed), varray(E->get()));
 			} else {
 				String text = node->get_text();
-				if (!text.empty()) {
+				if (!text.is_empty()) {
 					has_gnode_text = true;
 					Label *label = memnew(Label);
 					label->set_text(text);
@@ -1723,7 +1723,7 @@ void VisualScriptEditor::_on_nodes_delete() {
 		}
 	}
 
-	if (to_erase.empty()) {
+	if (to_erase.is_empty()) {
 		return;
 	}
 
@@ -1776,7 +1776,7 @@ void VisualScriptEditor::_on_nodes_duplicate() {
 		}
 	}
 
-	if (to_duplicate.empty()) {
+	if (to_duplicate.is_empty()) {
 		return;
 	}
 
@@ -2566,7 +2566,7 @@ String VisualScriptEditor::get_name() {
 	if (script->get_path().find("local://") == -1 && script->get_path().find("::") == -1) {
 		name = script->get_path().get_file();
 		if (is_unsaved()) {
-			if (script->get_path().empty()) {
+			if (script->get_path().is_empty()) {
 				name = TTR("[unsaved]");
 			}
 			name += "(*)";
@@ -2588,7 +2588,7 @@ bool VisualScriptEditor::is_unsaved() {
 	bool unsaved =
 			script->is_edited() ||
 			script->are_subnodes_edited() ||
-			script->get_path().empty(); // In memory.
+			script->get_path().is_empty(); // In memory.
 	return unsaved;
 }
 
@@ -4183,7 +4183,7 @@ void VisualScriptEditor::_menu_option(int p_what) {
 				}
 			}
 
-			if (clipboard->nodes.empty()) {
+			if (clipboard->nodes.is_empty()) {
 				break;
 			}
 
@@ -4218,7 +4218,7 @@ void VisualScriptEditor::_menu_option(int p_what) {
 				break;
 			}
 
-			if (clipboard->nodes.empty()) {
+			if (clipboard->nodes.is_empty()) {
 				EditorNode::get_singleton()->show_warning(TTR("Clipboard is empty!"));
 				break;
 			}
diff --git a/modules/visual_script/visual_script_property_selector.cpp b/modules/visual_script/visual_script_property_selector.cpp
index dbb76e19ac5..fde6ebbecc5 100644
--- a/modules/visual_script/visual_script_property_selector.cpp
+++ b/modules/visual_script/visual_script_property_selector.cpp
@@ -358,7 +358,7 @@ void VisualScriptPropertySelector::get_visual_node_names(const String &root_filt
 			continue;
 		}
 
-		bool in_modifier = p_modifiers.empty();
+		bool in_modifier = p_modifiers.is_empty();
 		for (Set<String>::Element *F = p_modifiers.front(); F && in_modifier; F = F->next()) {
 			if (E->get().findn(F->get()) != -1) {
 				in_modifier = true;
diff --git a/modules/webp/image_loader_webp.cpp b/modules/webp/image_loader_webp.cpp
index b169687f25b..99867b2d74c 100644
--- a/modules/webp/image_loader_webp.cpp
+++ b/modules/webp/image_loader_webp.cpp
@@ -39,7 +39,7 @@
 #include <webp/encode.h>
 
 static Vector<uint8_t> _webp_lossy_pack(const Ref<Image> &p_image, float p_quality) {
-	ERR_FAIL_COND_V(p_image.is_null() || p_image->empty(), Vector<uint8_t>());
+	ERR_FAIL_COND_V(p_image.is_null() || p_image->is_empty(), Vector<uint8_t>());
 
 	Ref<Image> img = p_image->duplicate();
 	if (img->detect_alpha()) {
diff --git a/platform/android/export/export.cpp b/platform/android/export/export.cpp
index eed3b226c8a..41cff4bc741 100644
--- a/platform/android/export/export.cpp
+++ b/platform/android/export/export.cpp
@@ -647,7 +647,7 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
 		if (DirAccess::exists(plugins_dir)) {
 			Vector<String> plugins_filenames = list_gdap_files(plugins_dir);
 
-			if (!plugins_filenames.empty()) {
+			if (!plugins_filenames.is_empty()) {
 				Ref<ConfigFile> config_file = memnew(ConfigFile);
 				for (int i = 0; i < plugins_filenames.size(); i++) {
 					PluginConfig config = load_plugin_config(config_file, plugins_dir.plus_file(plugins_filenames[i]));
@@ -750,7 +750,7 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
 		PackedStringArray user_perms = p_preset->get("permissions/custom_permissions");
 		for (int i = 0; i < user_perms.size(); i++) {
 			String user_perm = user_perms[i].strip_edges();
-			if (!user_perm.empty()) {
+			if (!user_perm.is_empty()) {
 				r_permissions.push_back(user_perm);
 			}
 		}
@@ -975,7 +975,7 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
 							encode_uint32(xr_mode_index == /* XRMode.OVR */ 1 && focus_awareness ? 0xFFFFFFFF : 0, &p_manifest.write[iofs + 16]);
 						}
 
-						if (tname == "meta-data" && attrname == "value" && value == "plugins_value" && !plugins_names.empty()) {
+						if (tname == "meta-data" && attrname == "value" && value == "plugins_value" && !plugins_names.is_empty()) {
 							// Update the meta-data 'android:value' attribute with the list of enabled plugins.
 							string_table.write[attr_value] = plugins_names;
 						}
@@ -1471,7 +1471,7 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
 		// TODO: Figure out how to handle remaining boot splash parameters (e.g: fullsize, filter)
 		String project_splash_path = ProjectSettings::get_singleton()->get("application/boot_splash/image");
 
-		if (!project_splash_path.empty()) {
+		if (!project_splash_path.is_empty()) {
 			splash_image.instance();
 			const Error err = ImageLoader::load_image(project_splash_path, splash_image);
 			if (err) {
@@ -1505,19 +1505,19 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
 
 		// Regular icon: user selection -> project icon -> default.
 		String path = static_cast<String>(p_preset->get(launcher_icon_option)).strip_edges();
-		if (path.empty() || ImageLoader::load_image(path, icon) != OK) {
+		if (path.is_empty() || ImageLoader::load_image(path, icon) != OK) {
 			ImageLoader::load_image(project_icon_path, icon);
 		}
 
 		// Adaptive foreground: user selection -> regular icon (user selection -> project icon -> default).
 		path = static_cast<String>(p_preset->get(launcher_adaptive_icon_foreground_option)).strip_edges();
-		if (path.empty() || ImageLoader::load_image(path, foreground) != OK) {
+		if (path.is_empty() || ImageLoader::load_image(path, foreground) != OK) {
 			foreground = icon;
 		}
 
 		// Adaptive background: user selection -> default.
 		path = static_cast<String>(p_preset->get(launcher_adaptive_icon_background_option)).strip_edges();
-		if (!path.empty()) {
+		if (!path.is_empty()) {
 			ImageLoader::load_image(path, background);
 		}
 	}
@@ -1538,14 +1538,14 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
 			const Ref<Image> &foreground,
 			const Ref<Image> &background) {
 		// Store the splash image
-		if (splash_image.is_valid() && !splash_image->empty()) {
+		if (splash_image.is_valid() && !splash_image->is_empty()) {
 			Vector<uint8_t> data;
 			_load_image_data(splash_image, data);
 			store_image(SPLASH_IMAGE_EXPORT_PATH, data);
 		}
 
 		// Store the splash bg color image
-		if (splash_bg_color_image.is_valid() && !splash_bg_color_image->empty()) {
+		if (splash_bg_color_image.is_valid() && !splash_bg_color_image->is_empty()) {
 			Vector<uint8_t> data;
 			_load_image_data(splash_bg_color_image, data);
 			store_image(SPLASH_BG_COLOR_PATH, data);
@@ -1555,20 +1555,20 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
 		// the default image from the export template will be used.
 
 		for (int i = 0; i < icon_densities_count; ++i) {
-			if (main_image.is_valid() && !main_image->empty()) {
+			if (main_image.is_valid() && !main_image->is_empty()) {
 				Vector<uint8_t> data;
 				_process_launcher_icons(launcher_icons[i].export_path, main_image, launcher_icons[i].dimensions, data);
 				store_image(launcher_icons[i], data);
 			}
 
-			if (foreground.is_valid() && !foreground->empty()) {
+			if (foreground.is_valid() && !foreground->is_empty()) {
 				Vector<uint8_t> data;
 				_process_launcher_icons(launcher_adaptive_icon_foregrounds[i].export_path, foreground,
 						launcher_adaptive_icon_foregrounds[i].dimensions, data);
 				store_image(launcher_adaptive_icon_foregrounds[i], data);
 			}
 
-			if (background.is_valid() && !background->empty()) {
+			if (background.is_valid() && !background->is_empty()) {
 				Vector<uint8_t> data;
 				_process_launcher_icons(launcher_adaptive_icon_backgrounds[i].export_path, background,
 						launcher_adaptive_icon_backgrounds[i].dimensions, data);
@@ -1962,7 +1962,7 @@ public:
 
 		String rk = p_preset->get("keystore/release");
 
-		if (!rk.empty() && !FileAccess::exists(rk)) {
+		if (!rk.is_empty() && !FileAccess::exists(rk)) {
 			valid = false;
 			err += TTR("Release keystore incorrectly configured in the export preset.") + "\n";
 		}
@@ -2019,7 +2019,7 @@ public:
 		// Ensure that `Use Custom Build` is enabled if a plugin is selected.
 		String enabled_plugins_names = get_plugins_names(get_enabled_plugins(p_preset));
 		bool custom_build_enabled = p_preset->get("custom_template/use_custom_build");
-		if (!enabled_plugins_names.empty() && !custom_build_enabled) {
+		if (!enabled_plugins_names.is_empty() && !custom_build_enabled) {
 			valid = false;
 			err += TTR("\"Use Custom Build\" must be enabled to use the plugins.");
 			err += "\n";
@@ -2189,7 +2189,7 @@ public:
 			password = p_preset->get("keystore/debug_password");
 			user = p_preset->get("keystore/debug_user");
 
-			if (keystore.empty()) {
+			if (keystore.is_empty()) {
 				keystore = EditorSettings::get_singleton()->get("export/android/debug_keystore");
 				password = EditorSettings::get_singleton()->get("export/android/debug_keystore_pass");
 				user = EditorSettings::get_singleton()->get("export/android/debug_keystore_user");
@@ -2549,27 +2549,27 @@ public:
 			}
 
 			// Process the splash image
-			if (file == SPLASH_IMAGE_EXPORT_PATH && splash_image.is_valid() && !splash_image->empty()) {
+			if (file == SPLASH_IMAGE_EXPORT_PATH && splash_image.is_valid() && !splash_image->is_empty()) {
 				_load_image_data(splash_image, data);
 			}
 
 			// Process the splash bg color image
-			if (file == SPLASH_BG_COLOR_PATH && splash_bg_color_image.is_valid() && !splash_bg_color_image->empty()) {
+			if (file == SPLASH_BG_COLOR_PATH && splash_bg_color_image.is_valid() && !splash_bg_color_image->is_empty()) {
 				_load_image_data(splash_bg_color_image, data);
 			}
 
 			for (int i = 0; i < icon_densities_count; ++i) {
-				if (main_image.is_valid() && !main_image->empty()) {
+				if (main_image.is_valid() && !main_image->is_empty()) {
 					if (file == launcher_icons[i].export_path) {
 						_process_launcher_icons(file, main_image, launcher_icons[i].dimensions, data);
 					}
 				}
-				if (foreground.is_valid() && !foreground->empty()) {
+				if (foreground.is_valid() && !foreground->is_empty()) {
 					if (file == launcher_adaptive_icon_foregrounds[i].export_path) {
 						_process_launcher_icons(file, foreground, launcher_adaptive_icon_foregrounds[i].dimensions, data);
 					}
 				}
-				if (background.is_valid() && !background->empty()) {
+				if (background.is_valid() && !background->is_empty()) {
 					if (file == launcher_adaptive_icon_backgrounds[i].export_path) {
 						_process_launcher_icons(file, background, launcher_adaptive_icon_backgrounds[i].dimensions, data);
 					}
@@ -2620,7 +2620,7 @@ public:
 			ret = unzGoToNextFile(pkg);
 		}
 
-		if (!invalid_abis.empty()) {
+		if (!invalid_abis.is_empty()) {
 			String unsupported_arch = String(", ").join(invalid_abis);
 			EditorNode::add_io_error("Missing libraries in the export template for the selected architectures: " + unsupported_arch + ".\n" +
 									 "Please build a template with all required libraries, or uncheck the missing architectures in the export preset.");
diff --git a/platform/android/export/gradle_export_util.h b/platform/android/export/gradle_export_util.h
index a9f38869e0e..7e1ff2e0262 100644
--- a/platform/android/export/gradle_export_util.h
+++ b/platform/android/export/gradle_export_util.h
@@ -261,7 +261,7 @@ String _get_instrumentation_tag(const Ref<EditorExportPreset> &p_preset) {
 }
 
 String _get_plugins_tag(const String &plugins_names) {
-	if (!plugins_names.empty()) {
+	if (!plugins_names.is_empty()) {
 		return vformat("    <meta-data tools:node=\"replace\" android:name=\"plugins\" android:value=\"%s\" />\n", plugins_names);
 	} else {
 		return "    <meta-data tools:node=\"remove\" android:name=\"plugins\" />\n";
diff --git a/platform/android/plugin/godot_plugin_config.h b/platform/android/plugin/godot_plugin_config.h
index ecb9c0c7f5e..26876b640f4 100644
--- a/platform/android/plugin/godot_plugin_config.h
+++ b/platform/android/plugin/godot_plugin_config.h
@@ -101,7 +101,7 @@ struct PluginConfig {
 
 static inline String resolve_local_dependency_path(String plugin_config_dir, String dependency_path) {
 	String absolute_path;
-	if (!dependency_path.empty()) {
+	if (!dependency_path.is_empty()) {
 		if (dependency_path.is_abs_path()) {
 			absolute_path = ProjectSettings::get_singleton()->globalize_path(dependency_path);
 		} else {
@@ -115,7 +115,7 @@ static inline String resolve_local_dependency_path(String plugin_config_dir, Str
 static inline PluginConfig resolve_prebuilt_plugin(PluginConfig prebuilt_plugin, String plugin_config_dir) {
 	PluginConfig resolved = prebuilt_plugin;
 	resolved.binary = resolved.binary_type == BINARY_TYPE_LOCAL ? resolve_local_dependency_path(plugin_config_dir, prebuilt_plugin.binary) : prebuilt_plugin.binary;
-	if (!prebuilt_plugin.local_dependencies.empty()) {
+	if (!prebuilt_plugin.local_dependencies.is_empty()) {
 		resolved.local_dependencies.clear();
 		for (int i = 0; i < prebuilt_plugin.local_dependencies.size(); i++) {
 			resolved.local_dependencies.push_back(resolve_local_dependency_path(plugin_config_dir, prebuilt_plugin.local_dependencies[i]));
@@ -131,19 +131,19 @@ static inline Vector<PluginConfig> get_prebuilt_plugins(String plugins_base_dir)
 }
 
 static inline bool is_plugin_config_valid(PluginConfig plugin_config) {
-	bool valid_name = !plugin_config.name.empty();
+	bool valid_name = !plugin_config.name.is_empty();
 	bool valid_binary_type = plugin_config.binary_type == BINARY_TYPE_LOCAL ||
 							 plugin_config.binary_type == BINARY_TYPE_REMOTE;
 
 	bool valid_binary = false;
 	if (valid_binary_type) {
-		valid_binary = !plugin_config.binary.empty() &&
+		valid_binary = !plugin_config.binary.is_empty() &&
 					   (plugin_config.binary_type == BINARY_TYPE_REMOTE ||
 							   FileAccess::exists(plugin_config.binary));
 	}
 
 	bool valid_local_dependencies = true;
-	if (!plugin_config.local_dependencies.empty()) {
+	if (!plugin_config.local_dependencies.is_empty()) {
 		for (int i = 0; i < plugin_config.local_dependencies.size(); i++) {
 			if (!FileAccess::exists(plugin_config.local_dependencies[i])) {
 				valid_local_dependencies = false;
@@ -182,7 +182,7 @@ static inline PluginConfig load_plugin_config(Ref<ConfigFile> config_file, const
 
 			if (config_file->has_section(DEPENDENCIES_SECTION)) {
 				Vector<String> local_dependencies_paths = config_file->get_value(DEPENDENCIES_SECTION, DEPENDENCIES_LOCAL_KEY, Vector<String>());
-				if (!local_dependencies_paths.empty()) {
+				if (!local_dependencies_paths.is_empty()) {
 					for (int i = 0; i < local_dependencies_paths.size(); i++) {
 						plugin_config.local_dependencies.push_back(resolve_local_dependency_path(config_base_dir, local_dependencies_paths[i]));
 					}
@@ -202,7 +202,7 @@ static inline PluginConfig load_plugin_config(Ref<ConfigFile> config_file, const
 
 static inline String get_plugins_binaries(String binary_type, Vector<PluginConfig> plugins_configs) {
 	String plugins_binaries;
-	if (!plugins_configs.empty()) {
+	if (!plugins_configs.is_empty()) {
 		Vector<String> binaries;
 		for (int i = 0; i < plugins_configs.size(); i++) {
 			PluginConfig config = plugins_configs[i];
@@ -231,7 +231,7 @@ static inline String get_plugins_binaries(String binary_type, Vector<PluginConfi
 
 static inline String get_plugins_custom_maven_repos(Vector<PluginConfig> plugins_configs) {
 	String custom_maven_repos;
-	if (!plugins_configs.empty()) {
+	if (!plugins_configs.is_empty()) {
 		Vector<String> repos_urls;
 		for (int i = 0; i < plugins_configs.size(); i++) {
 			PluginConfig config = plugins_configs[i];
@@ -249,7 +249,7 @@ static inline String get_plugins_custom_maven_repos(Vector<PluginConfig> plugins
 
 static inline String get_plugins_names(Vector<PluginConfig> plugins_configs) {
 	String plugins_names;
-	if (!plugins_configs.empty()) {
+	if (!plugins_configs.is_empty()) {
 		Vector<String> names;
 		for (int i = 0; i < plugins_configs.size(); i++) {
 			PluginConfig config = plugins_configs[i];
diff --git a/platform/iphone/export/export.cpp b/platform/iphone/export/export.cpp
index 3406c75c35d..7cd67bc0ade 100644
--- a/platform/iphone/export/export.cpp
+++ b/platform/iphone/export/export.cpp
@@ -218,7 +218,7 @@ public:
 			da->list_dir_begin();
 			while (true) {
 				String file = da->get_next();
-				if (file.empty()) {
+				if (file.is_empty()) {
 					break;
 				}
 
@@ -259,7 +259,7 @@ public:
 		if (DirAccess::exists(plugins_dir)) {
 			Vector<String> plugins_filenames = list_plugin_config_files(plugins_dir, true);
 
-			if (!plugins_filenames.empty()) {
+			if (!plugins_filenames.is_empty()) {
 				Ref<ConfigFile> config_file = memnew(ConfigFile);
 				for (int i = 0; i < plugins_filenames.size(); i++) {
 					PluginConfig config = load_plugin_config(config_file, plugins_dir.plus_file(plugins_filenames[i]));
@@ -815,7 +815,7 @@ Error EditorExportPlatformIOS::_export_loading_screen_file(const Ref<EditorExpor
 
 		const String splash_path = ProjectSettings::get_singleton()->get("application/boot_splash/image");
 
-		if (!splash_path.empty()) {
+		if (!splash_path.is_empty()) {
 			splash.instance();
 			const Error err = splash->load(splash_path);
 			if (err) {
@@ -1430,7 +1430,7 @@ Error EditorExportPlatformIOS::_export_ios_plugins(const Ref<EditorExportPreset>
 			String key = *K;
 			String value = plugin.plist[key];
 
-			if (key.empty() || value.empty()) {
+			if (key.is_empty() || value.is_empty()) {
 				continue;
 			}
 
@@ -1457,7 +1457,7 @@ Error EditorExportPlatformIOS::_export_ios_plugins(const Ref<EditorExportPreset>
 			String key = *K;
 			String value = plist_values[key];
 
-			if (key.empty() || value.empty()) {
+			if (key.is_empty() || value.is_empty()) {
 				continue;
 			}
 
@@ -1930,7 +1930,7 @@ bool EditorExportPlatformIOS::can_export(const Ref<EditorExportPreset> &p_preset
 		err += etc_error;
 	}
 
-	if (!err.empty()) {
+	if (!err.is_empty()) {
 		r_error = err;
 	}
 
diff --git a/platform/iphone/plugin/godot_plugin_config.h b/platform/iphone/plugin/godot_plugin_config.h
index 5323f949893..e536616994b 100644
--- a/platform/iphone/plugin/godot_plugin_config.h
+++ b/platform/iphone/plugin/godot_plugin_config.h
@@ -97,7 +97,7 @@ struct PluginConfig {
 static inline String resolve_local_dependency_path(String plugin_config_dir, String dependency_path) {
 	String absolute_path;
 
-	if (dependency_path.empty()) {
+	if (dependency_path.is_empty()) {
 		return absolute_path;
 	}
 
@@ -114,7 +114,7 @@ static inline String resolve_local_dependency_path(String plugin_config_dir, Str
 static inline String resolve_system_dependency_path(String dependency_path) {
 	String absolute_path;
 
-	if (dependency_path.empty()) {
+	if (dependency_path.is_empty()) {
 		return absolute_path;
 	}
 
@@ -133,7 +133,7 @@ static inline Vector<String> resolve_local_dependencies(String plugin_config_dir
 	for (int i = 0; i < p_paths.size(); i++) {
 		String path = resolve_local_dependency_path(plugin_config_dir, p_paths[i]);
 
-		if (path.empty()) {
+		if (path.is_empty()) {
 			continue;
 		}
 
@@ -149,7 +149,7 @@ static inline Vector<String> resolve_system_dependencies(Vector<String> p_paths)
 	for (int i = 0; i < p_paths.size(); i++) {
 		String path = resolve_system_dependency_path(p_paths[i]);
 
-		if (path.empty()) {
+		if (path.is_empty()) {
 			continue;
 		}
 
@@ -160,10 +160,10 @@ static inline Vector<String> resolve_system_dependencies(Vector<String> p_paths)
 }
 
 static inline bool validate_plugin(PluginConfig &plugin_config) {
-	bool valid_name = !plugin_config.name.empty();
-	bool valid_binary_name = !plugin_config.binary.empty();
-	bool valid_initialize = !plugin_config.initialization_method.empty();
-	bool valid_deinitialize = !plugin_config.deinitialization_method.empty();
+	bool valid_name = !plugin_config.name.is_empty();
+	bool valid_binary_name = !plugin_config.binary.is_empty();
+	bool valid_initialize = !plugin_config.initialization_method.is_empty();
+	bool valid_deinitialize = !plugin_config.deinitialization_method.is_empty();
 
 	bool fields_value = valid_name && valid_binary_name && valid_initialize && valid_deinitialize;
 
@@ -247,7 +247,7 @@ static inline PluginConfig load_plugin_config(Ref<ConfigFile> config_file, const
 		for (int i = 0; i < keys.size(); i++) {
 			String value = config_file->get_value(PLIST_SECTION, keys[i], String());
 
-			if (value.empty()) {
+			if (value.is_empty()) {
 				continue;
 			}
 
diff --git a/platform/javascript/export/export.cpp b/platform/javascript/export/export.cpp
index 37681b2484d..6ae49c21621 100644
--- a/platform/javascript/export/export.cpp
+++ b/platform/javascript/export/export.cpp
@@ -119,7 +119,7 @@ public:
 			filepath = cache_path.plus_file(req[1].get_file()); // TODO dangerous?
 			ctype = "application/wasm";
 		}
-		if (filepath.empty() || !FileAccess::exists(filepath)) {
+		if (filepath.is_empty() || !FileAccess::exists(filepath)) {
 			String s = "HTTP/1.1 404 Not Found\r\n";
 			s += "Connection: Close\r\n";
 			s += "\r\n";
@@ -394,7 +394,7 @@ bool EditorExportPlatformJavaScript::can_export(const Ref<EditorExportPreset> &p
 		}
 	}
 
-	if (!err.empty()) {
+	if (!err.is_empty()) {
 		r_error = err;
 	}
 
@@ -485,7 +485,7 @@ Error EditorExportPlatformJavaScript::export_project(const Ref<EditorExportPrese
 		//write
 
 		if (file == "godot.html") {
-			if (!custom_html.empty()) {
+			if (!custom_html.is_empty()) {
 				continue;
 			}
 			_fix_html(data, p_preset, p_path.get_file().get_basename(), p_debug, p_flags, shared_objects);
@@ -520,7 +520,7 @@ Error EditorExportPlatformJavaScript::export_project(const Ref<EditorExportPrese
 	} while (unzGoToNextFile(pkg) == UNZ_OK);
 	unzClose(pkg);
 
-	if (!custom_html.empty()) {
+	if (!custom_html.is_empty()) {
 		FileAccess *f = FileAccess::open(custom_html, FileAccess::READ);
 		if (!f) {
 			EditorNode::get_singleton()->show_warning(TTR("Could not read custom HTML shell:") + "\n" + custom_html);
@@ -543,7 +543,7 @@ Error EditorExportPlatformJavaScript::export_project(const Ref<EditorExportPrese
 
 	Ref<Image> splash;
 	const String splash_path = String(GLOBAL_GET("application/boot_splash/image")).strip_edges();
-	if (!splash_path.empty()) {
+	if (!splash_path.is_empty()) {
 		splash.instance();
 		const Error err = splash->load(splash_path);
 		if (err) {
@@ -564,7 +564,7 @@ Error EditorExportPlatformJavaScript::export_project(const Ref<EditorExportPrese
 	// This way, the favicon can be displayed immediately when loading the page.
 	Ref<Image> favicon;
 	const String favicon_path = String(GLOBAL_GET("application/config/icon")).strip_edges();
-	if (!favicon_path.empty()) {
+	if (!favicon_path.is_empty()) {
 		favicon.instance();
 		const Error err = favicon->load(favicon_path);
 		if (err) {
diff --git a/platform/linuxbsd/display_server_x11.cpp b/platform/linuxbsd/display_server_x11.cpp
index 7e582722081..9669de5ed60 100644
--- a/platform/linuxbsd/display_server_x11.cpp
+++ b/platform/linuxbsd/display_server_x11.cpp
@@ -622,7 +622,7 @@ String DisplayServerX11::_clipboard_get(Atom p_source, Window x11_window) const
 	if (utf8_atom != None) {
 		ret = _clipboard_get_impl(p_source, x11_window, utf8_atom);
 	}
-	if (ret.empty()) {
+	if (ret.is_empty()) {
 		ret = _clipboard_get_impl(p_source, x11_window, XA_STRING);
 	}
 	return ret;
@@ -634,7 +634,7 @@ String DisplayServerX11::clipboard_get() const {
 	String ret;
 	ret = _clipboard_get(XInternAtom(x11_display, "CLIPBOARD", 0), windows[MAIN_WINDOW_ID].x11_window);
 
-	if (ret.empty()) {
+	if (ret.is_empty()) {
 		ret = _clipboard_get(XA_PRIMARY, windows[MAIN_WINDOW_ID].x11_window);
 	}
 
diff --git a/platform/linuxbsd/os_linuxbsd.cpp b/platform/linuxbsd/os_linuxbsd.cpp
index ac88d457a7a..0bdf8dbf2ef 100644
--- a/platform/linuxbsd/os_linuxbsd.cpp
+++ b/platform/linuxbsd/os_linuxbsd.cpp
@@ -65,9 +65,9 @@ void OS_LinuxBSD::initialize_joypads() {
 
 String OS_LinuxBSD::get_unique_id() const {
 	static String machine_id;
-	if (machine_id.empty()) {
+	if (machine_id.is_empty()) {
 		if (FileAccess *f = FileAccess::open("/etc/machine-id", FileAccess::READ)) {
-			while (machine_id.empty() && !f->eof_reached()) {
+			while (machine_id.is_empty() && !f->eof_reached()) {
 				machine_id = f->get_line().strip_edges();
 			}
 			f->close();
diff --git a/platform/osx/export/export.cpp b/platform/osx/export/export.cpp
index eecd2ed6418..57ad6dc6886 100644
--- a/platform/osx/export/export.cpp
+++ b/platform/osx/export/export.cpp
@@ -457,7 +457,7 @@ Error EditorExportPlatformOSX::_code_sign(const Ref<EditorExportPreset> &p_prese
 	PackedStringArray user_args = p_preset->get("codesign/custom_options");
 	for (int i = 0; i < user_args.size(); i++) {
 		String user_arg = user_args[i].strip_edges();
-		if (!user_arg.empty()) {
+		if (!user_arg.is_empty()) {
 			args.push_back(user_arg);
 		}
 	}
@@ -665,7 +665,7 @@ Error EditorExportPlatformOSX::export_project(const Ref<EditorExportPreset> &p_p
 					Ref<Image> icon;
 					icon.instance();
 					icon->load(iconpath);
-					if (!icon->empty()) {
+					if (!icon->is_empty()) {
 						_make_icon(icon, data);
 					}
 				}
@@ -927,7 +927,7 @@ bool EditorExportPlatformOSX::can_export(const Ref<EditorExportPreset> &p_preset
 		}
 	}
 
-	if (!err.empty()) {
+	if (!err.is_empty()) {
 		r_error = err;
 	}
 	return valid;
diff --git a/platform/osx/os_osx.mm b/platform/osx/os_osx.mm
index ed03e953a52..3c9dbcb4322 100644
--- a/platform/osx/os_osx.mm
+++ b/platform/osx/os_osx.mm
@@ -99,7 +99,7 @@ public:
 String OS_OSX::get_unique_id() const {
 	static String serial_number;
 
-	if (serial_number.empty()) {
+	if (serial_number.is_empty()) {
 		io_service_t platformExpert = IOServiceGetMatchingService(kIOMasterPortDefault, IOServiceMatching("IOPlatformExpertDevice"));
 		CFStringRef serialNumberAsCFString = NULL;
 		if (platformExpert) {
diff --git a/platform/uwp/export/export.cpp b/platform/uwp/export/export.cpp
index 00b57c48f3e..344521baf13 100644
--- a/platform/uwp/export/export.cpp
+++ b/platform/uwp/export/export.cpp
@@ -641,7 +641,7 @@ class EditorExportPlatformUWP : public EditorExportPlatform {
 	};
 
 	bool _valid_resource_name(const String &p_name) const {
-		if (p_name.empty()) {
+		if (p_name.is_empty()) {
 			return false;
 		}
 		if (p_name.ends_with(".")) {
@@ -687,7 +687,7 @@ class EditorExportPlatformUWP : public EditorExportPlatform {
 	}
 
 	bool _valid_bgcolor(const String &p_color) const {
-		if (p_color.empty()) {
+		if (p_color.is_empty()) {
 			return true;
 		}
 		if (p_color.begins_with("#") && p_color.is_valid_html_color()) {
@@ -763,7 +763,7 @@ class EditorExportPlatformUWP : public EditorExportPlatform {
 		String architecture = arch == ARM ? "arm" : arch == X86 ? "x86" : "x64";
 		result = result.replace("$architecture$", architecture);
 
-		result = result.replace("$display_name$", String(p_preset->get("package/display_name")).empty() ? (String)ProjectSettings::get_singleton()->get("application/config/name") : String(p_preset->get("package/display_name")));
+		result = result.replace("$display_name$", String(p_preset->get("package/display_name")).is_empty() ? (String)ProjectSettings::get_singleton()->get("application/config/name") : String(p_preset->get("package/display_name")));
 
 		result = result.replace("$publisher_display_name$", p_preset->get("package/publisher_display_name"));
 		result = result.replace("$app_description$", p_preset->get("package/description"));
@@ -782,7 +782,7 @@ class EditorExportPlatformUWP : public EditorExportPlatform {
 		}
 
 		String show_name_on_tiles = "";
-		if (!name_on_tiles.empty()) {
+		if (!name_on_tiles.is_empty()) {
 			show_name_on_tiles = "<uap:ShowNameOnTiles>\n" + name_on_tiles + "        </uap:ShowNameOnTiles>";
 		}
 
@@ -803,7 +803,7 @@ class EditorExportPlatformUWP : public EditorExportPlatform {
 		}
 
 		String rotation_preference = "";
-		if (!rotations.empty()) {
+		if (!rotations.is_empty()) {
 			rotation_preference = "<uap:InitialRotationPreference>\n" + rotations + "        </uap:InitialRotationPreference>";
 		}
 
@@ -837,7 +837,7 @@ class EditorExportPlatformUWP : public EditorExportPlatform {
 		}
 
 		String capabilities_string = "<Capabilities />";
-		if (!capabilities_elements.empty()) {
+		if (!capabilities_elements.is_empty()) {
 			capabilities_string = "<Capabilities>\n" + capabilities_elements + "  </Capabilities>";
 		}
 
diff --git a/platform/windows/export/export.cpp b/platform/windows/export/export.cpp
index c2436e8b64d..58c814b1c4f 100644
--- a/platform/windows/export/export.cpp
+++ b/platform/windows/export/export.cpp
@@ -299,7 +299,7 @@ Error EditorExportPlatformWindows::_code_sign(const Ref<EditorExportPreset> &p_p
 	PackedStringArray user_args = p_preset->get("codesign/custom_options");
 	for (int i = 0; i < user_args.size(); i++) {
 		String user_arg = user_args[i].strip_edges();
-		if (!user_arg.empty()) {
+		if (!user_arg.is_empty()) {
 			args.push_back(user_arg);
 		}
 	}
diff --git a/scene/2d/animated_sprite_2d.cpp b/scene/2d/animated_sprite_2d.cpp
index 0f98fad824a..6a9d1883ea0 100644
--- a/scene/2d/animated_sprite_2d.cpp
+++ b/scene/2d/animated_sprite_2d.cpp
@@ -654,7 +654,7 @@ String AnimatedSprite2D::get_configuration_warning() const {
 	String warning = Node2D::get_configuration_warning();
 
 	if (frames.is_null()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("A SpriteFrames resource must be created or set in the \"Frames\" property in order for AnimatedSprite to display frames.");
diff --git a/scene/2d/canvas_modulate.cpp b/scene/2d/canvas_modulate.cpp
index 8fb16534e83..2411e31b833 100644
--- a/scene/2d/canvas_modulate.cpp
+++ b/scene/2d/canvas_modulate.cpp
@@ -84,7 +84,7 @@ String CanvasModulate::get_configuration_warning() const {
 	get_tree()->get_nodes_in_group("_canvas_modulate_" + itos(get_canvas().get_id()), &nodes);
 
 	if (nodes.size() > 1) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("Only one visible CanvasModulate is allowed per scene (or set of instanced scenes). The first created one will work, while the rest will be ignored.");
diff --git a/scene/2d/collision_object_2d.cpp b/scene/2d/collision_object_2d.cpp
index fe16d4089a7..f15939b05f6 100644
--- a/scene/2d/collision_object_2d.cpp
+++ b/scene/2d/collision_object_2d.cpp
@@ -366,8 +366,8 @@ void CollisionObject2D::_update_pickable() {
 String CollisionObject2D::get_configuration_warning() const {
 	String warning = Node2D::get_configuration_warning();
 
-	if (shapes.empty()) {
-		if (!warning.empty()) {
+	if (shapes.is_empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("This node has no shape, so it can't collide or interact with other objects.\nConsider adding a CollisionShape2D or CollisionPolygon2D as a child to define its shape.");
diff --git a/scene/2d/collision_polygon_2d.cpp b/scene/2d/collision_polygon_2d.cpp
index 64d82d715c3..faf8931d21d 100644
--- a/scene/2d/collision_polygon_2d.cpp
+++ b/scene/2d/collision_polygon_2d.cpp
@@ -233,14 +233,14 @@ String CollisionPolygon2D::get_configuration_warning() const {
 	String warning = Node2D::get_configuration_warning();
 
 	if (!Object::cast_to<CollisionObject2D>(get_parent())) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("CollisionPolygon2D only serves to provide a collision shape to a CollisionObject2D derived node. Please only use it as a child of Area2D, StaticBody2D, RigidBody2D, KinematicBody2D, etc. to give them a shape.");
 	}
 
-	if (polygon.empty()) {
-		if (!warning.empty()) {
+	if (polygon.is_empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("An empty CollisionPolygon2D has no effect on collision.");
diff --git a/scene/2d/joints_2d.cpp b/scene/2d/joints_2d.cpp
index 3e37f2d2bb8..6e5b02776d3 100644
--- a/scene/2d/joints_2d.cpp
+++ b/scene/2d/joints_2d.cpp
@@ -176,8 +176,8 @@ bool Joint2D::get_exclude_nodes_from_collision() const {
 String Joint2D::get_configuration_warning() const {
 	String node_warning = Node2D::get_configuration_warning();
 
-	if (!warning.empty()) {
-		if (!node_warning.empty()) {
+	if (!warning.is_empty()) {
+		if (!node_warning.is_empty()) {
 			node_warning += "\n\n";
 		}
 		node_warning += warning;
diff --git a/scene/2d/light_2d.cpp b/scene/2d/light_2d.cpp
index 2b373a669b3..bb08bc95ea8 100644
--- a/scene/2d/light_2d.cpp
+++ b/scene/2d/light_2d.cpp
@@ -404,7 +404,7 @@ String PointLight2D::get_configuration_warning() const {
 	String warning = Node2D::get_configuration_warning();
 
 	if (!texture.is_valid()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("A texture with the shape of the light must be supplied to the \"Texture\" property.");
diff --git a/scene/2d/light_occluder_2d.cpp b/scene/2d/light_occluder_2d.cpp
index b5b39ccc8ff..8c31c99b46b 100644
--- a/scene/2d/light_occluder_2d.cpp
+++ b/scene/2d/light_occluder_2d.cpp
@@ -249,14 +249,14 @@ String LightOccluder2D::get_configuration_warning() const {
 	String warning = Node2D::get_configuration_warning();
 
 	if (!occluder_polygon.is_valid()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("An occluder polygon must be set (or drawn) for this occluder to take effect.");
 	}
 
 	if (occluder_polygon.is_valid() && occluder_polygon->get_polygon().size() == 0) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("The occluder polygon for this occluder is empty. Please draw a polygon.");
diff --git a/scene/2d/navigation_agent_2d.cpp b/scene/2d/navigation_agent_2d.cpp
index 1c7063d0d33..334cd4f4a81 100644
--- a/scene/2d/navigation_agent_2d.cpp
+++ b/scene/2d/navigation_agent_2d.cpp
@@ -274,7 +274,7 @@ String NavigationAgent2D::get_configuration_warning() const {
 	String warning = Node::get_configuration_warning();
 
 	if (!Object::cast_to<Node2D>(get_parent())) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("The NavigationAgent2D can be used only under a Node2D node");
diff --git a/scene/2d/navigation_obstacle_2d.cpp b/scene/2d/navigation_obstacle_2d.cpp
index 252d7cbb96d..c4362217184 100644
--- a/scene/2d/navigation_obstacle_2d.cpp
+++ b/scene/2d/navigation_obstacle_2d.cpp
@@ -109,7 +109,7 @@ String NavigationObstacle2D::get_configuration_warning() const {
 	String warning = Node::get_configuration_warning();
 
 	if (!Object::cast_to<Node2D>(get_parent())) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("The NavigationObstacle2D only serves to provide collision avoidance to a Node2D object.");
diff --git a/scene/2d/navigation_region_2d.cpp b/scene/2d/navigation_region_2d.cpp
index 98817ec03e7..41e8edc3b30 100644
--- a/scene/2d/navigation_region_2d.cpp
+++ b/scene/2d/navigation_region_2d.cpp
@@ -503,7 +503,7 @@ String NavigationRegion2D::get_configuration_warning() const {
 	String warning = Node2D::get_configuration_warning();
 
 	if (!navpoly.is_valid()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("A NavigationPolygon resource must be set or created for this node to work. Please set a property or draw a polygon.");
@@ -516,7 +516,7 @@ String NavigationRegion2D::get_configuration_warning() const {
 
 		c = Object::cast_to<Node2D>(c->get_parent());
 	}
-	if (!warning.empty()) {
+	if (!warning.is_empty()) {
 		warning += "\n\n";
 	}
 	return warning + TTR("NavigationRegion2D must be a child or grandchild to a Navigation2D node. It only provides navigation data.");
diff --git a/scene/2d/parallax_layer.cpp b/scene/2d/parallax_layer.cpp
index 01aa5838b42..ce2632d9c13 100644
--- a/scene/2d/parallax_layer.cpp
+++ b/scene/2d/parallax_layer.cpp
@@ -139,7 +139,7 @@ String ParallaxLayer::get_configuration_warning() const {
 	String warning = Node2D::get_configuration_warning();
 
 	if (!Object::cast_to<ParallaxBackground>(get_parent())) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("ParallaxLayer node only works when set as child of a ParallaxBackground node.");
diff --git a/scene/2d/path_2d.cpp b/scene/2d/path_2d.cpp
index 6571474c9be..199373f4594 100644
--- a/scene/2d/path_2d.cpp
+++ b/scene/2d/path_2d.cpp
@@ -257,7 +257,7 @@ String PathFollow2D::get_configuration_warning() const {
 	String warning = Node2D::get_configuration_warning();
 
 	if (!Object::cast_to<Path2D>(get_parent())) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("PathFollow2D only works when set as a child of a Path2D node.");
diff --git a/scene/2d/physics_body_2d.cpp b/scene/2d/physics_body_2d.cpp
index e314669fb00..3a60de06943 100644
--- a/scene/2d/physics_body_2d.cpp
+++ b/scene/2d/physics_body_2d.cpp
@@ -301,7 +301,7 @@ void RigidBody2D::_body_inout(int p_status, ObjectID p_instance, int p_body_shap
 
 		bool in_scene = E->get().in_scene;
 
-		if (E->get().shapes.empty()) {
+		if (E->get().shapes.is_empty()) {
 			if (node) {
 				node->disconnect(SceneStringNames::get_singleton()->tree_entered, callable_mp(this, &RigidBody2D::_body_enter_tree));
 				node->disconnect(SceneStringNames::get_singleton()->tree_exiting, callable_mp(this, &RigidBody2D::_body_exit_tree));
@@ -724,7 +724,7 @@ String RigidBody2D::get_configuration_warning() const {
 	String warning = CollisionObject2D::get_configuration_warning();
 
 	if ((get_mode() == MODE_RIGID || get_mode() == MODE_CHARACTER) && (ABS(t.elements[0].length() - 1.0) > 0.05 || ABS(t.elements[1].length() - 1.0) > 0.05)) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("Size changes to RigidBody2D (in character or rigid modes) will be overridden by the physics engine when running.\nChange the size in children collision shapes instead.");
diff --git a/scene/2d/remote_transform_2d.cpp b/scene/2d/remote_transform_2d.cpp
index 7655416ce26..96dbf1e4ec7 100644
--- a/scene/2d/remote_transform_2d.cpp
+++ b/scene/2d/remote_transform_2d.cpp
@@ -189,7 +189,7 @@ String RemoteTransform2D::get_configuration_warning() const {
 	String warning = Node2D::get_configuration_warning();
 
 	if (!has_node(remote_node) || !Object::cast_to<Node2D>(get_node(remote_node))) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("Path property must point to a valid Node2D node to work.");
diff --git a/scene/2d/skeleton_2d.cpp b/scene/2d/skeleton_2d.cpp
index ea1d9f5930a..7262840b62b 100644
--- a/scene/2d/skeleton_2d.cpp
+++ b/scene/2d/skeleton_2d.cpp
@@ -136,7 +136,7 @@ int Bone2D::get_index_in_skeleton() const {
 String Bone2D::get_configuration_warning() const {
 	String warning = Node2D::get_configuration_warning();
 	if (!skeleton) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		if (parent_bone) {
@@ -147,7 +147,7 @@ String Bone2D::get_configuration_warning() const {
 	}
 
 	if (rest == Transform2D(0, 0, 0, 0, 0, 0)) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("This bone lacks a proper REST pose. Go to the Skeleton2D node and set one.");
diff --git a/scene/2d/tile_map.cpp b/scene/2d/tile_map.cpp
index bff191a2bf4..928a839cc1f 100644
--- a/scene/2d/tile_map.cpp
+++ b/scene/2d/tile_map.cpp
@@ -1714,7 +1714,7 @@ String TileMap::get_configuration_warning() const {
 	String warning = Node2D::get_configuration_warning();
 
 	if (use_parent && !collision_parent) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		return TTR("TileMap with Use Parent on needs a parent CollisionObject2D to give shapes to. Please use it as a child of Area2D, StaticBody2D, RigidBody2D, KinematicBody2D, etc. to give them a shape.");
diff --git a/scene/2d/visibility_notifier_2d.cpp b/scene/2d/visibility_notifier_2d.cpp
index e217f2a394a..d183995d656 100644
--- a/scene/2d/visibility_notifier_2d.cpp
+++ b/scene/2d/visibility_notifier_2d.cpp
@@ -317,7 +317,7 @@ String VisibilityEnabler2D::get_configuration_warning() const {
 
 #ifdef TOOLS_ENABLED
 	if (is_inside_tree() && get_parent() && (get_parent()->get_filename() == String() && get_parent() != get_tree()->get_edited_scene_root())) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("VisibilityEnabler2D works best when used with the edited scene root directly as parent.");
diff --git a/scene/3d/baked_lightmap.cpp b/scene/3d/baked_lightmap.cpp
index 38c9e96fbc1..09a7d62bb6d 100644
--- a/scene/3d/baked_lightmap.cpp
+++ b/scene/3d/baked_lightmap.cpp
@@ -678,7 +678,7 @@ BakedLightmap::BakeError BakedLightmap::bake(Node *p_from_node, String p_image_d
 			}
 			TypedArray<Image> images = RS::get_singleton()->bake_render_uv2(mf.mesh->get_rid(), overrides, lightmap_size);
 
-			ERR_FAIL_COND_V(images.empty(), BAKE_ERROR_CANT_CREATE_IMAGE);
+			ERR_FAIL_COND_V(images.is_empty(), BAKE_ERROR_CANT_CREATE_IMAGE);
 
 			Ref<Image> albedo = images[RS::BAKE_CHANNEL_ALBEDO_ALPHA];
 			Ref<Image> orm = images[RS::BAKE_CHANNEL_ORM];
diff --git a/scene/3d/collision_object_3d.cpp b/scene/3d/collision_object_3d.cpp
index 356992e9223..8dcf52662bc 100644
--- a/scene/3d/collision_object_3d.cpp
+++ b/scene/3d/collision_object_3d.cpp
@@ -349,8 +349,8 @@ bool CollisionObject3D::get_capture_input_on_drag() const {
 String CollisionObject3D::get_configuration_warning() const {
 	String warning = Node3D::get_configuration_warning();
 
-	if (shapes.empty()) {
-		if (!warning.empty()) {
+	if (shapes.is_empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("This node has no shape, so it can't collide or interact with other objects.\nConsider adding a CollisionShape3D or CollisionPolygon3D as a child to define its shape.");
diff --git a/scene/3d/collision_polygon_3d.cpp b/scene/3d/collision_polygon_3d.cpp
index b8a4ab74ee9..6caf021e8c0 100644
--- a/scene/3d/collision_polygon_3d.cpp
+++ b/scene/3d/collision_polygon_3d.cpp
@@ -159,14 +159,14 @@ String CollisionPolygon3D::get_configuration_warning() const {
 	String warning = Node3D::get_configuration_warning();
 
 	if (!Object::cast_to<CollisionObject3D>(get_parent())) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("CollisionPolygon3D only serves to provide a collision shape to a CollisionObject3D derived node. Please only use it as a child of Area3D, StaticBody3D, RigidBody3D, KinematicBody3D, etc. to give them a shape.");
 	}
 
-	if (polygon.empty()) {
-		if (!warning.empty()) {
+	if (polygon.is_empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("An empty CollisionPolygon3D has no effect on collision.");
diff --git a/scene/3d/collision_shape_3d.cpp b/scene/3d/collision_shape_3d.cpp
index e1c691b89a2..4d9537f4207 100644
--- a/scene/3d/collision_shape_3d.cpp
+++ b/scene/3d/collision_shape_3d.cpp
@@ -60,7 +60,7 @@ void CollisionShape3D::make_convex_from_siblings() {
 			if (m.is_valid()) {
 				for (int j = 0; j < m->get_surface_count(); j++) {
 					Array a = m->surface_get_arrays(j);
-					if (!a.empty()) {
+					if (!a.is_empty()) {
 						Vector<Vector3> v = a[RenderingServer::ARRAY_VERTEX];
 						for (int k = 0; k < v.size(); k++) {
 							vertices.append(mi->get_transform().xform(v[k]));
@@ -127,14 +127,14 @@ String CollisionShape3D::get_configuration_warning() const {
 	String warning = Node3D::get_configuration_warning();
 
 	if (!Object::cast_to<CollisionObject3D>(get_parent())) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("CollisionShape3D only serves to provide a collision shape to a CollisionObject3D derived node. Please only use it as a child of Area3D, StaticBody3D, RigidBody3D, KinematicBody3D, etc. to give them a shape.");
 	}
 
 	if (!shape.is_valid()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("A shape must be provided for CollisionShape3D to function. Please create a shape resource for it.");
@@ -144,7 +144,7 @@ String CollisionShape3D::get_configuration_warning() const {
 			Object::cast_to<RigidBody3D>(get_parent()) &&
 			Object::cast_to<ConcavePolygonShape3D>(*shape) &&
 			Object::cast_to<RigidBody3D>(get_parent())->get_mode() != RigidBody3D::MODE_STATIC) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("ConcavePolygonShape3D doesn't support RigidBody3D in another mode than static.");
diff --git a/scene/3d/gi_probe.cpp b/scene/3d/gi_probe.cpp
index fd592012f84..b3b85989f52 100644
--- a/scene/3d/gi_probe.cpp
+++ b/scene/3d/gi_probe.cpp
@@ -516,7 +516,7 @@ String GIProbe::get_configuration_warning() const {
 	String warning = VisualInstance3D::get_configuration_warning();
 
 	if (RenderingServer::get_singleton()->is_low_end()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("GIProbes are not supported by the GLES2 video driver.\nUse a BakedLightmap instead.");
diff --git a/scene/3d/light_3d.cpp b/scene/3d/light_3d.cpp
index 3f816535f54..56f8e568589 100644
--- a/scene/3d/light_3d.cpp
+++ b/scene/3d/light_3d.cpp
@@ -462,7 +462,7 @@ String OmniLight3D::get_configuration_warning() const {
 	String warning = Light3D::get_configuration_warning();
 
 	if (!has_shadow() && get_projector().is_valid()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("Projector texture only works with shadows active.");
@@ -496,14 +496,14 @@ String SpotLight3D::get_configuration_warning() const {
 	String warning = Light3D::get_configuration_warning();
 
 	if (has_shadow() && get_param(PARAM_SPOT_ANGLE) >= 90.0) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("A SpotLight3D with an angle wider than 90 degrees cannot cast shadows.");
 	}
 
 	if (!has_shadow() && get_projector().is_valid()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("Projector texture only works with shadows active.");
diff --git a/scene/3d/navigation_agent_3d.cpp b/scene/3d/navigation_agent_3d.cpp
index f9f8f276a33..fb60f99f280 100644
--- a/scene/3d/navigation_agent_3d.cpp
+++ b/scene/3d/navigation_agent_3d.cpp
@@ -290,7 +290,7 @@ String NavigationAgent3D::get_configuration_warning() const {
 	String warning = Node::get_configuration_warning();
 
 	if (!Object::cast_to<Node3D>(get_parent())) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("The NavigationAgent3D can be used only under a spatial node.");
diff --git a/scene/3d/navigation_obstacle_3d.cpp b/scene/3d/navigation_obstacle_3d.cpp
index adbff06ed65..da0467e4a41 100644
--- a/scene/3d/navigation_obstacle_3d.cpp
+++ b/scene/3d/navigation_obstacle_3d.cpp
@@ -116,7 +116,7 @@ String NavigationObstacle3D::get_configuration_warning() const {
 	String warning = Node::get_configuration_warning();
 
 	if (!Object::cast_to<Node3D>(get_parent())) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("The NavigationObstacle3D only serves to provide collision avoidance to a spatial object.");
diff --git a/scene/3d/navigation_region_3d.cpp b/scene/3d/navigation_region_3d.cpp
index 2ae01c7ab81..30d6a54e21d 100644
--- a/scene/3d/navigation_region_3d.cpp
+++ b/scene/3d/navigation_region_3d.cpp
@@ -193,7 +193,7 @@ String NavigationRegion3D::get_configuration_warning() const {
 	String warning = Node3D::get_configuration_warning();
 
 	if (!navmesh.is_valid()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("A NavigationMesh resource must be set or created for this node to work.");
@@ -208,7 +208,7 @@ String NavigationRegion3D::get_configuration_warning() const {
 		c = Object::cast_to<Node3D>(c->get_parent());
 	}
 
-	if (!warning.empty()) {
+	if (!warning.is_empty()) {
 		warning += "\n\n";
 	}
 	return warning + TTR("NavigationRegion3D must be a child or grandchild to a Navigation3D node. It only provides navigation data.");
diff --git a/scene/3d/path_3d.cpp b/scene/3d/path_3d.cpp
index 54e63307220..018f6a5bcbb 100644
--- a/scene/3d/path_3d.cpp
+++ b/scene/3d/path_3d.cpp
@@ -249,14 +249,14 @@ String PathFollow3D::get_configuration_warning() const {
 	String warning = Node3D::get_configuration_warning();
 
 	if (!Object::cast_to<Path3D>(get_parent())) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("PathFollow3D only works when set as a child of a Path3D node.");
 	} else {
 		Path3D *path = Object::cast_to<Path3D>(get_parent());
 		if (path->get_curve().is_valid() && !path->get_curve()->is_up_vector_enabled() && rotation_mode == ROTATION_ORIENTED) {
-			if (!warning.empty()) {
+			if (!warning.is_empty()) {
 				warning += "\n\n";
 			}
 			warning += TTR("PathFollow3D's ROTATION_ORIENTED requires \"Up Vector\" to be enabled in its parent Path3D's Curve resource.");
diff --git a/scene/3d/physics_body_3d.cpp b/scene/3d/physics_body_3d.cpp
index d9e19db4bd8..47c7627ad12 100644
--- a/scene/3d/physics_body_3d.cpp
+++ b/scene/3d/physics_body_3d.cpp
@@ -311,7 +311,7 @@ void RigidBody3D::_body_inout(int p_status, ObjectID p_instance, int p_body_shap
 
 		bool in_tree = E->get().in_tree;
 
-		if (E->get().shapes.empty()) {
+		if (E->get().shapes.is_empty()) {
 			if (node) {
 				node->disconnect(SceneStringNames::get_singleton()->tree_entered, callable_mp(this, &RigidBody3D::_body_enter_tree));
 				node->disconnect(SceneStringNames::get_singleton()->tree_exiting, callable_mp(this, &RigidBody3D::_body_exit_tree));
@@ -714,7 +714,7 @@ String RigidBody3D::get_configuration_warning() const {
 	String warning = CollisionObject3D::get_configuration_warning();
 
 	if ((get_mode() == MODE_RIGID || get_mode() == MODE_CHARACTER) && (ABS(t.basis.get_axis(0).length() - 1.0) > 0.05 || ABS(t.basis.get_axis(1).length() - 1.0) > 0.05 || ABS(t.basis.get_axis(2).length() - 1.0) > 0.05)) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("Size changes to RigidBody3D (in character or rigid modes) will be overridden by the physics engine when running.\nChange the size in children collision shapes instead.");
diff --git a/scene/3d/physics_joint_3d.cpp b/scene/3d/physics_joint_3d.cpp
index 06de5ad0ae6..b43ec78e2ee 100644
--- a/scene/3d/physics_joint_3d.cpp
+++ b/scene/3d/physics_joint_3d.cpp
@@ -168,8 +168,8 @@ bool Joint3D::get_exclude_nodes_from_collision() const {
 String Joint3D::get_configuration_warning() const {
 	String node_warning = Node3D::get_configuration_warning();
 
-	if (!warning.empty()) {
-		if (!node_warning.empty()) {
+	if (!warning.is_empty()) {
+		if (!node_warning.is_empty()) {
 			node_warning += "\n\n";
 		}
 		node_warning += warning;
diff --git a/scene/3d/remote_transform_3d.cpp b/scene/3d/remote_transform_3d.cpp
index 358f9346f80..9c7b9350909 100644
--- a/scene/3d/remote_transform_3d.cpp
+++ b/scene/3d/remote_transform_3d.cpp
@@ -183,7 +183,7 @@ String RemoteTransform3D::get_configuration_warning() const {
 	String warning = Node3D::get_configuration_warning();
 
 	if (!has_node(remote_node) || !Object::cast_to<Node3D>(get_node(remote_node))) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("The \"Remote Path\" property must point to a valid Node3D or Node3D-derived node to work.");
diff --git a/scene/3d/skeleton_ik_3d.cpp b/scene/3d/skeleton_ik_3d.cpp
index 32d7afd5dfb..14af6b066ae 100644
--- a/scene/3d/skeleton_ik_3d.cpp
+++ b/scene/3d/skeleton_ik_3d.cpp
@@ -204,7 +204,7 @@ void FabrikInverseKinematic::solve_simple_forwards(Chain &r_chain, bool p_solve_
 	while (sub_chain_root) { // Reach the tip
 		sub_chain_root->current_pos = origin;
 
-		if (!sub_chain_root->children.empty()) {
+		if (!sub_chain_root->children.is_empty()) {
 			ChainItem &child(sub_chain_root->children.write[0]);
 
 			// Is not tip
@@ -301,7 +301,7 @@ void FabrikInverseKinematic::solve(Task *p_task, real_t blending_delta, bool ove
 		Transform new_bone_pose(ci->initial_transform);
 		new_bone_pose.origin = ci->current_pos;
 
-		if (!ci->children.empty()) {
+		if (!ci->children.is_empty()) {
 			/// Rotate basis
 			const Vector3 initial_ori((ci->children[0].initial_transform.origin - ci->initial_transform.origin).normalized());
 			const Vector3 rot_axis(initial_ori.cross(ci->current_ori).normalized());
@@ -321,7 +321,7 @@ void FabrikInverseKinematic::solve(Task *p_task, real_t blending_delta, bool ove
 
 		p_task->skeleton->set_bone_global_pose_override(ci->bone, new_bone_pose, 1.0, true);
 
-		if (!ci->children.empty()) {
+		if (!ci->children.is_empty()) {
 			ci = &ci->children.write[0];
 		} else {
 			ci = nullptr;
diff --git a/scene/3d/soft_body_3d.cpp b/scene/3d/soft_body_3d.cpp
index d811b2e852c..51ade358b73 100644
--- a/scene/3d/soft_body_3d.cpp
+++ b/scene/3d/soft_body_3d.cpp
@@ -380,7 +380,7 @@ String SoftBody3D::get_configuration_warning() const {
 	String warning = MeshInstance3D::get_configuration_warning();
 
 	if (get_mesh().is_null()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 
@@ -389,7 +389,7 @@ String SoftBody3D::get_configuration_warning() const {
 
 	Transform t = get_transform();
 	if ((ABS(t.basis.get_axis(0).length() - 1.0) > 0.05 || ABS(t.basis.get_axis(1).length() - 1.0) > 0.05 || ABS(t.basis.get_axis(2).length() - 1.0) > 0.05)) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 
diff --git a/scene/3d/sprite_3d.cpp b/scene/3d/sprite_3d.cpp
index 1d20a9cd3b0..27a932e660c 100644
--- a/scene/3d/sprite_3d.cpp
+++ b/scene/3d/sprite_3d.cpp
@@ -1074,7 +1074,7 @@ String AnimatedSprite3D::get_configuration_warning() const {
 	String warning = SpriteBase3D::get_configuration_warning();
 
 	if (frames.is_null()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("A SpriteFrames resource must be created or set in the \"Frames\" property in order for AnimatedSprite3D to display frames.");
diff --git a/scene/3d/vehicle_body_3d.cpp b/scene/3d/vehicle_body_3d.cpp
index e27307e75f5..63e791a556f 100644
--- a/scene/3d/vehicle_body_3d.cpp
+++ b/scene/3d/vehicle_body_3d.cpp
@@ -106,7 +106,7 @@ String VehicleWheel3D::get_configuration_warning() const {
 	String warning = Node3D::get_configuration_warning();
 
 	if (!Object::cast_to<VehicleBody3D>(get_parent())) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("VehicleWheel3D serves to provide a wheel system to a VehicleBody3D. Please use it as a child of a VehicleBody3D.");
diff --git a/scene/3d/voxelizer.cpp b/scene/3d/voxelizer.cpp
index c570fc7b7c4..4ae91ae8767 100644
--- a/scene/3d/voxelizer.cpp
+++ b/scene/3d/voxelizer.cpp
@@ -294,7 +294,7 @@ void Voxelizer::_plot_face(int p_idx, int p_level, int p_x, int p_y, int p_z, co
 Vector<Color> Voxelizer::_get_bake_texture(Ref<Image> p_image, const Color &p_color_mul, const Color &p_color_add) {
 	Vector<Color> ret;
 
-	if (p_image.is_null() || p_image->empty()) {
+	if (p_image.is_null() || p_image->is_empty()) {
 		ret.resize(bake_texture_size * bake_texture_size);
 		for (int i = 0; i < bake_texture_size * bake_texture_size; i++) {
 			ret.write[i] = p_color_add;
diff --git a/scene/3d/world_environment.cpp b/scene/3d/world_environment.cpp
index 3c12d4991ef..05fd45e6b67 100644
--- a/scene/3d/world_environment.cpp
+++ b/scene/3d/world_environment.cpp
@@ -113,7 +113,7 @@ String WorldEnvironment::get_configuration_warning() const {
 	String warning = Node::get_configuration_warning();
 
 	if (!environment.is_valid()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("WorldEnvironment requires its \"Environment\" property to contain an Environment to have a visible effect.");
@@ -127,7 +127,7 @@ String WorldEnvironment::get_configuration_warning() const {
 	get_tree()->get_nodes_in_group("_world_environment_" + itos(get_viewport()->find_world_3d()->get_scenario().get_id()), &nodes);
 
 	if (nodes.size() > 1) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("Only one WorldEnvironment is allowed per scene (or set of instanced scenes).");
diff --git a/scene/3d/xr_nodes.cpp b/scene/3d/xr_nodes.cpp
index 5d48795dc19..abcec289ca7 100644
--- a/scene/3d/xr_nodes.cpp
+++ b/scene/3d/xr_nodes.cpp
@@ -65,7 +65,7 @@ String XRCamera3D::get_configuration_warning() const {
 	// must be child node of XROrigin3D!
 	XROrigin3D *origin = Object::cast_to<XROrigin3D>(get_parent());
 	if (origin == nullptr) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("XRCamera3D must have an XROrigin3D node as its parent.");
@@ -372,14 +372,14 @@ String XRController3D::get_configuration_warning() const {
 	// must be child node of XROrigin!
 	XROrigin3D *origin = Object::cast_to<XROrigin3D>(get_parent());
 	if (origin == nullptr) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("XRController3D must have an XROrigin3D node as its parent.");
 	};
 
 	if (controller_id == 0) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("The controller ID must not be 0 or this controller won't be bound to an actual controller.");
@@ -497,14 +497,14 @@ String XRAnchor3D::get_configuration_warning() const {
 	// must be child node of XROrigin3D!
 	XROrigin3D *origin = Object::cast_to<XROrigin3D>(get_parent());
 	if (origin == nullptr) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("XRAnchor3D must have an XROrigin3D node as its parent.");
 	};
 
 	if (anchor_id == 0) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("The anchor ID must not be 0 or this anchor won't be bound to an actual anchor.");
@@ -536,7 +536,7 @@ String XROrigin3D::get_configuration_warning() const {
 	String warning = Node3D::get_configuration_warning();
 
 	if (tracked_camera == nullptr) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("XROrigin3D requires an XRCamera3D child node.");
diff --git a/scene/animation/animation_tree.cpp b/scene/animation/animation_tree.cpp
index 2ef3ba87b21..8b5cc8eda3f 100644
--- a/scene/animation/animation_tree.cpp
+++ b/scene/animation/animation_tree.cpp
@@ -40,7 +40,7 @@ void AnimationNode::get_parameter_list(List<PropertyInfo> *r_list) const {
 		Array parameters = get_script_instance()->call("get_parameter_list");
 		for (int i = 0; i < parameters.size(); i++) {
 			Dictionary d = parameters[i];
-			ERR_CONTINUE(d.empty());
+			ERR_CONTINUE(d.is_empty());
 			r_list->push_back(PropertyInfo::from_dict(d));
 		}
 	}
@@ -1287,14 +1287,14 @@ String AnimationTree::get_configuration_warning() const {
 	String warning = Node::get_configuration_warning();
 
 	if (!root.is_valid()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("No root AnimationNode for the graph is set.");
 	}
 
 	if (!has_node(animation_player)) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("Path to an AnimationPlayer node containing animations is not set.");
@@ -1302,12 +1302,12 @@ String AnimationTree::get_configuration_warning() const {
 		AnimationPlayer *player = Object::cast_to<AnimationPlayer>(get_node(animation_player));
 
 		if (!player) {
-			if (!warning.empty()) {
+			if (!warning.is_empty()) {
 				warning += "\n\n";
 			}
 			warning += TTR("Path set for AnimationPlayer does not lead to an AnimationPlayer node.");
 		} else if (!player->has_node(player->get_root())) {
-			if (!warning.empty()) {
+			if (!warning.is_empty()) {
 				warning += "\n\n";
 			}
 			warning += TTR("The AnimationPlayer root node is not a valid node.");
diff --git a/scene/gui/color_picker.cpp b/scene/gui/color_picker.cpp
index 8b02567d88a..a80506029ce 100644
--- a/scene/gui/color_picker.cpp
+++ b/scene/gui/color_picker.cpp
@@ -591,7 +591,7 @@ void ColorPicker::_screen_input(const Ref<InputEvent> &p_event) {
 		}
 
 		Ref<Image> img = r->get_texture()->get_data();
-		if (img.is_valid() && !img->empty()) {
+		if (img.is_valid() && !img->is_empty()) {
 			Vector2 ofs = mev->get_global_position() - r->get_visible_rect().get_position();
 			Color c = img->get_pixel(ofs.x, r->get_visible_rect().size.height - ofs.y);
 
diff --git a/scene/gui/container.cpp b/scene/gui/container.cpp
index f01da703c1e..38e938ebead 100644
--- a/scene/gui/container.cpp
+++ b/scene/gui/container.cpp
@@ -163,7 +163,7 @@ String Container::get_configuration_warning() const {
 	String warning = Control::get_configuration_warning();
 
 	if (get_class() == "Container" && get_script().is_null()) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("Container by itself serves no purpose unless a script configures its children placement behavior.\nIf you don't intend to add a script, use a plain Control node instead.");
diff --git a/scene/gui/control.cpp b/scene/gui/control.cpp
index 62cbec4ae5a..bac7e56aaca 100644
--- a/scene/gui/control.cpp
+++ b/scene/gui/control.cpp
@@ -2698,7 +2698,7 @@ String Control::get_configuration_warning() const {
 	String warning = CanvasItem::get_configuration_warning();
 
 	if (data.mouse_filter == MOUSE_FILTER_IGNORE && data.tooltip != "") {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("The Hint Tooltip won't be displayed as the control's Mouse Filter is set to \"Ignore\". To solve this, set the Mouse Filter to \"Stop\" or \"Pass\".");
diff --git a/scene/gui/dialogs.cpp b/scene/gui/dialogs.cpp
index 9f5f6c21c82..199af936a69 100644
--- a/scene/gui/dialogs.cpp
+++ b/scene/gui/dialogs.cpp
@@ -165,7 +165,7 @@ void AcceptDialog::register_text_enter(Node *p_line_edit) {
 
 void AcceptDialog::_update_child_rects() {
 	Size2 label_size = label->get_minimum_size();
-	if (label->get_text().empty()) {
+	if (label->get_text().is_empty()) {
 		label_size.height = 0;
 	}
 	int margin = hbc->get_theme_constant("margin", "Dialogs");
diff --git a/scene/gui/file_dialog.cpp b/scene/gui/file_dialog.cpp
index 041b8ef174f..3da12c038a6 100644
--- a/scene/gui/file_dialog.cpp
+++ b/scene/gui/file_dialog.cpp
@@ -434,7 +434,7 @@ void FileDialog::update_file_list() {
 	dirs.sort_custom<NaturalNoCaseComparator>();
 	files.sort_custom<NaturalNoCaseComparator>();
 
-	while (!dirs.empty()) {
+	while (!dirs.is_empty()) {
 		String &dir_name = dirs.front()->get();
 		TreeItem *ti = tree->create_item(root);
 		ti->set_text(0, dir_name);
@@ -478,8 +478,8 @@ void FileDialog::update_file_list() {
 
 	String base_dir = dir_access->get_current_dir();
 
-	while (!files.empty()) {
-		bool match = patterns.empty();
+	while (!files.is_empty()) {
+		bool match = patterns.is_empty();
 		String match_str;
 
 		for (List<String>::Element *E = patterns.front(); E; E = E->next()) {
diff --git a/scene/gui/item_list.cpp b/scene/gui/item_list.cpp
index e0aef32e15b..221e74d35bf 100644
--- a/scene/gui/item_list.cpp
+++ b/scene/gui/item_list.cpp
@@ -1314,7 +1314,7 @@ int ItemList::get_item_at_position(const Point2 &p_pos, bool p_exact) const {
 }
 
 bool ItemList::is_pos_at_end_of_items(const Point2 &p_pos) const {
-	if (items.empty()) {
+	if (items.is_empty()) {
 		return true;
 	}
 
diff --git a/scene/gui/line_edit.cpp b/scene/gui/line_edit.cpp
index e623ba987f5..921c9875b30 100644
--- a/scene/gui/line_edit.cpp
+++ b/scene/gui/line_edit.cpp
@@ -69,7 +69,7 @@ void LineEdit::_gui_input(Ref<InputEvent> p_event) {
 		_reset_caret_blink_timer();
 		if (b->is_pressed()) {
 			accept_event(); //don't pass event further when clicked on text field
-			if (!text.empty() && is_editable() && _is_over_clear_button(b->get_position())) {
+			if (!text.is_empty() && is_editable() && _is_over_clear_button(b->get_position())) {
 				clear_button_status.press_attempt = true;
 				clear_button_status.pressing_inside = true;
 				update();
@@ -106,7 +106,7 @@ void LineEdit::_gui_input(Ref<InputEvent> p_event) {
 			update();
 
 		} else {
-			if (!text.empty() && is_editable() && clear_button_enabled) {
+			if (!text.is_empty() && is_editable() && clear_button_enabled) {
 				bool press_attempt = clear_button_status.press_attempt;
 				clear_button_status.press_attempt = false;
 				if (press_attempt && clear_button_status.pressing_inside && _is_over_clear_button(b->get_position())) {
@@ -136,7 +136,7 @@ void LineEdit::_gui_input(Ref<InputEvent> p_event) {
 	Ref<InputEventMouseMotion> m = p_event;
 
 	if (m.is_valid()) {
-		if (!text.empty() && is_editable() && clear_button_enabled) {
+		if (!text.is_empty() && is_editable() && clear_button_enabled) {
 			bool last_press_inside = clear_button_status.pressing_inside;
 			clear_button_status.pressing_inside = clear_button_status.press_attempt && _is_over_clear_button(m->get_position());
 			if (last_press_inside != clear_button_status.pressing_inside) {
@@ -653,7 +653,7 @@ void LineEdit::drop_data(const Point2 &p_point, const Variant &p_data) {
 }
 
 Control::CursorShape LineEdit::get_cursor_shape(const Point2 &p_pos) const {
-	if (!text.empty() && is_editable() && _is_over_clear_button(p_pos)) {
+	if (!text.is_empty() && is_editable() && _is_over_clear_button(p_pos)) {
 		return CURSOR_ARROW;
 	}
 	return Control::get_cursor_shape(p_pos);
@@ -735,7 +735,7 @@ void LineEdit::_notification(int p_what) {
 			}
 
 			int x_ofs = 0;
-			bool using_placeholder = text.empty() && ime_text.empty();
+			bool using_placeholder = text.is_empty() && ime_text.is_empty();
 			float text_width = TS->shaped_text_get_size(text_rid).x;
 			float text_height = TS->shaped_text_get_size(text_rid).y + font->get_spacing(Font::SPACING_TOP) + font->get_spacing(Font::SPACING_BOTTOM);
 
@@ -1109,7 +1109,7 @@ void LineEdit::set_cursor_at_pixel_pos(int p_x) {
 		} break;
 	}
 
-	bool using_placeholder = text.empty() && ime_text.empty();
+	bool using_placeholder = text.is_empty() && ime_text.is_empty();
 	bool display_clear_icon = !using_placeholder && is_editable() && clear_button_enabled;
 	if (right_icon.is_valid() || display_clear_icon) {
 		Ref<Texture2D> r_icon = display_clear_icon ? Control::get_theme_icon("clear") : right_icon;
@@ -1157,7 +1157,7 @@ Vector2i LineEdit::get_cursor_pixel_pos() {
 		} break;
 	}
 
-	bool using_placeholder = text.empty() && ime_text.empty();
+	bool using_placeholder = text.is_empty() && ime_text.is_empty();
 	bool display_clear_icon = !using_placeholder && is_editable() && clear_button_enabled;
 	if (right_icon.is_valid() || display_clear_icon) {
 		Ref<Texture2D> r_icon = display_clear_icon ? Control::get_theme_icon("clear") : right_icon;
@@ -1482,7 +1482,7 @@ void LineEdit::set_cursor_position(int p_pos) {
 	}
 
 	int ofs_max = get_size().width - style->get_margin(SIDE_RIGHT);
-	bool using_placeholder = text.empty() && ime_text.empty();
+	bool using_placeholder = text.is_empty() && ime_text.is_empty();
 	bool display_clear_icon = !using_placeholder && is_editable() && clear_button_enabled;
 	if (right_icon.is_valid() || display_clear_icon) {
 		Ref<Texture2D> r_icon = display_clear_icon ? Control::get_theme_icon("clear") : right_icon;
@@ -1570,7 +1570,7 @@ Size2 LineEdit::get_minimum_size() const {
 	min_size.height = MAX(TS->shaped_text_get_size(text_rid).y + font->get_spacing(Font::SPACING_TOP) + font->get_spacing(Font::SPACING_BOTTOM), font->get_height(font_size));
 
 	// Take icons into account.
-	bool using_placeholder = text.empty() && ime_text.empty();
+	bool using_placeholder = text.is_empty() && ime_text.is_empty();
 	bool display_clear_icon = !using_placeholder && is_editable() && clear_button_enabled;
 	if (right_icon.is_valid() || display_clear_icon) {
 		Ref<Texture2D> r_icon = display_clear_icon ? Control::get_theme_icon("clear") : right_icon;
@@ -1995,7 +1995,7 @@ void LineEdit::_fit_to_width() {
 	if (align == ALIGN_FILL) {
 		Ref<StyleBox> style = get_theme_stylebox("normal");
 		int t_width = get_size().width - style->get_margin(SIDE_RIGHT) - style->get_margin(SIDE_LEFT);
-		bool using_placeholder = text.empty() && ime_text.empty();
+		bool using_placeholder = text.is_empty() && ime_text.is_empty();
 		bool display_clear_icon = !using_placeholder && is_editable() && clear_button_enabled;
 		if (right_icon.is_valid() || display_clear_icon) {
 			Ref<Texture2D> r_icon = display_clear_icon ? Control::get_theme_icon("clear") : right_icon;
diff --git a/scene/gui/range.cpp b/scene/gui/range.cpp
index bdb9f408f02..6342109660e 100644
--- a/scene/gui/range.cpp
+++ b/scene/gui/range.cpp
@@ -34,7 +34,7 @@ String Range::get_configuration_warning() const {
 	String warning = Control::get_configuration_warning();
 
 	if (shared->exp_ratio && shared->min <= 0) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("If \"Exp Edit\" is enabled, \"Min Value\" must be greater than 0.");
diff --git a/scene/gui/rich_text_label.cpp b/scene/gui/rich_text_label.cpp
index 69b2c6ac7e7..5258aae80ca 100644
--- a/scene/gui/rich_text_label.cpp
+++ b/scene/gui/rich_text_label.cpp
@@ -2723,7 +2723,7 @@ Error RichTextLabel::append_bbcode(const String &p_bbcode) {
 		String bbcode_name;
 		typedef Map<String, String> OptionMap;
 		OptionMap bbcode_options;
-		if (!split_tag_block.empty()) {
+		if (!split_tag_block.is_empty()) {
 			bbcode_name = split_tag_block[0];
 			for (int i = 1; i < split_tag_block.size(); i++) {
 				const String &expr = split_tag_block[i];
@@ -3071,7 +3071,7 @@ Error RichTextLabel::append_bbcode(const String &p_bbcode) {
 
 				int width = 0;
 				int height = 0;
-				if (!bbcode_value.empty()) {
+				if (!bbcode_value.is_empty()) {
 					int sep = bbcode_value.find("x");
 					if (sep == -1) {
 						width = bbcode_value.to_int();
diff --git a/scene/gui/scroll_container.cpp b/scene/gui/scroll_container.cpp
index 942593df27d..35f504812dd 100644
--- a/scene/gui/scroll_container.cpp
+++ b/scene/gui/scroll_container.cpp
@@ -558,7 +558,7 @@ String ScrollContainer::get_configuration_warning() const {
 	}
 
 	if (found != 1) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("ScrollContainer is intended to work with a single child control.\nUse a container as child (VBox, HBox, etc.), or a Control and set the custom minimum size manually.");
diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 27d82c7ac77..d044d2421b1 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -189,12 +189,12 @@ void TextEdit::Text::invalidate_cache(int p_line, int p_column, const String &p_
 	text.write[p_line].data_buf->set_preserve_control(draw_control_chars);
 	if (p_ime_text.length() > 0) {
 		text.write[p_line].data_buf->add_string(p_ime_text, font, font_size, opentype_features, language);
-		if (!p_bidi_override.empty()) {
+		if (!p_bidi_override.is_empty()) {
 			TS->shaped_text_set_bidi_override(text.write[p_line].data_buf->get_rid(), p_bidi_override);
 		}
 	} else {
 		text.write[p_line].data_buf->add_string(text[p_line].data, font, font_size, opentype_features, language);
-		if (!text[p_line].bidi_override.empty()) {
+		if (!text[p_line].bidi_override.is_empty()) {
 			TS->shaped_text_set_bidi_override(text.write[p_line].data_buf->get_rid(), text[p_line].bidi_override);
 		}
 	}
@@ -1167,7 +1167,7 @@ void TextEdit::_notification(int p_what) {
 					}
 
 					int start = TS->shaped_text_get_range(rid).x;
-					if (!search_text.empty()) { // Search highhlight
+					if (!search_text.is_empty()) { // Search highhlight
 						int search_text_col = _get_column_pos_of_word(search_text, str, search_flags, 0);
 						while (search_text_col != -1) {
 							Vector<Vector2> sel = TS->shaped_text_get_selection(rid, search_text_col + start, search_text_col + search_text.length() + start);
@@ -1190,7 +1190,7 @@ void TextEdit::_notification(int p_what) {
 						}
 					}
 
-					if (highlight_all_occurrences && !only_whitespaces_highlighted && !highlighted_text.empty()) { // Highlight
+					if (highlight_all_occurrences && !only_whitespaces_highlighted && !highlighted_text.is_empty()) { // Highlight
 						int highlighted_text_col = _get_column_pos_of_word(highlighted_text, str, SEARCH_MATCH_CASE | SEARCH_WHOLE_WORDS, 0);
 						while (highlighted_text_col != -1) {
 							Vector<Vector2> sel = TS->shaped_text_get_selection(rid, highlighted_text_col + start, highlighted_text_col + highlighted_text.length() + start);
@@ -5197,7 +5197,7 @@ void TextEdit::paste() {
 		cursor_set_line(selection.from_line);
 		cursor_set_column(selection.from_column);
 
-	} else if (!cut_copy_line.empty() && cut_copy_line == clipboard) {
+	} else if (!cut_copy_line.is_empty() && cut_copy_line == clipboard) {
 		cursor_set_column(0);
 		String ins = "\n";
 		clipboard += ins;
@@ -6469,7 +6469,7 @@ void TextEdit::query_code_comple() {
 		c--;
 	}
 
-	bool ignored = completion_active && !completion_options.empty();
+	bool ignored = completion_active && !completion_options.is_empty();
 	if (ignored) {
 		ScriptCodeCompletionOption::Kind kind = ScriptCodeCompletionOption::KIND_PLAIN_TEXT;
 		const ScriptCodeCompletionOption *previous_option = nullptr;
diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp
index ad4545cf6c9..cb9729a5e86 100644
--- a/scene/gui/tree.cpp
+++ b/scene/gui/tree.cpp
@@ -163,7 +163,7 @@ void TreeItem::set_text(int p_column, String p_text) {
 		cells.write[p_column].max = INT_MIN;
 		for (int i = 0; i < strings.size(); i++) {
 			int value = i;
-			if (!strings[i].get_slicec(':', 1).empty()) {
+			if (!strings[i].get_slicec(':', 1).is_empty()) {
 				value = strings[i].get_slicec(':', 1).to_int();
 			}
 			cells.write[p_column].min = MIN(cells[p_column].min, value);
@@ -1212,7 +1212,7 @@ void Tree::update_item_cell(TreeItem *p_item, int p_col) {
 			Vector<String> strings = p_item->cells[p_col].text.split(",");
 			for (int j = 0; j < strings.size(); j++) {
 				int value = j;
-				if (!strings[j].get_slicec(':', 1).empty()) {
+				if (!strings[j].get_slicec(':', 1).is_empty()) {
 					value = strings[j].get_slicec(':', 1).to_int();
 				}
 				if (option == value) {
@@ -2031,7 +2031,7 @@ int Tree::propagate_mouse_event(const Point2i &p_pos, int x_ofs, int y_ofs, bool
 					popup_menu->clear();
 					for (int i = 0; i < c.text.get_slice_count(","); i++) {
 						String s = c.text.get_slicec(',', i);
-						popup_menu->add_item(s.get_slicec(':', 0), s.get_slicec(':', 1).empty() ? i : s.get_slicec(':', 1).to_int());
+						popup_menu->add_item(s.get_slicec(':', 0), s.get_slicec(':', 1).is_empty() ? i : s.get_slicec(':', 1).to_int());
 					}
 
 					popup_menu->set_size(Size2(col_width, 0));
@@ -2930,7 +2930,7 @@ bool Tree::edit_selected() {
 		popup_menu->clear();
 		for (int i = 0; i < c.text.get_slice_count(","); i++) {
 			String s2 = c.text.get_slicec(',', i);
-			popup_menu->add_item(s2.get_slicec(':', 0), s2.get_slicec(':', 1).empty() ? i : s2.get_slicec(':', 1).to_int());
+			popup_menu->add_item(s2.get_slicec(':', 0), s2.get_slicec(':', 1).is_empty() ? i : s2.get_slicec(':', 1).to_int());
 		}
 
 		popup_menu->set_size(Size2(rect.size.width, 0));
diff --git a/scene/main/node.cpp b/scene/main/node.cpp
index e2df2860eaa..b0e5196cefe 100644
--- a/scene/main/node.cpp
+++ b/scene/main/node.cpp
@@ -1887,7 +1887,7 @@ void Node::remove_and_skip() {
 		}
 	}
 
-	while (!children.empty()) {
+	while (!children.is_empty()) {
 		Node *c_node = children.front()->get();
 		data.parent->add_child(c_node);
 		c_node->_propagate_replace_owner(nullptr, new_owner);
@@ -2245,7 +2245,7 @@ void Node::_duplicate_signals(const Node *p_original, Node *p_copy) const {
 
 	List<const Node *> process_list;
 	process_list.push_back(this);
-	while (!process_list.empty()) {
+	while (!process_list.is_empty()) {
 		const Node *n = process_list.front()->get();
 		process_list.pop_front();
 
diff --git a/scene/main/scene_tree.cpp b/scene/main/scene_tree.cpp
index 5cf3cbd3829..9fbffb1246b 100644
--- a/scene/main/scene_tree.cpp
+++ b/scene/main/scene_tree.cpp
@@ -136,7 +136,7 @@ void SceneTree::remove_from_group(const StringName &p_group, Node *p_node) {
 	ERR_FAIL_COND(!E);
 
 	E->get().nodes.erase(p_node);
-	if (E->get().nodes.empty()) {
+	if (E->get().nodes.is_empty()) {
 		group_map.erase(E);
 	}
 }
@@ -183,7 +183,7 @@ void SceneTree::_update_group_order(Group &g, bool p_use_priority) {
 	if (!g.changed) {
 		return;
 	}
-	if (g.nodes.empty()) {
+	if (g.nodes.is_empty()) {
 		return;
 	}
 
@@ -206,7 +206,7 @@ void SceneTree::call_group_flags(uint32_t p_call_flags, const StringName &p_grou
 		return;
 	}
 	Group &g = E->get();
-	if (g.nodes.empty()) {
+	if (g.nodes.is_empty()) {
 		return;
 	}
 
@@ -282,7 +282,7 @@ void SceneTree::notify_group_flags(uint32_t p_call_flags, const StringName &p_gr
 		return;
 	}
 	Group &g = E->get();
-	if (g.nodes.empty()) {
+	if (g.nodes.is_empty()) {
 		return;
 	}
 
@@ -333,7 +333,7 @@ void SceneTree::set_group_flags(uint32_t p_call_flags, const StringName &p_group
 		return;
 	}
 	Group &g = E->get();
-	if (g.nodes.empty()) {
+	if (g.nodes.is_empty()) {
 		return;
 	}
 
@@ -787,7 +787,7 @@ void SceneTree::_notify_group_pause(const StringName &p_group, int p_notificatio
 		return;
 	}
 	Group &g = E->get();
-	if (g.nodes.empty()) {
+	if (g.nodes.is_empty()) {
 		return;
 	}
 
@@ -840,7 +840,7 @@ void SceneTree::_call_input_pause(const StringName &p_group, const StringName &p
 		return;
 	}
 	Group &g = E->get();
-	if (g.nodes.empty()) {
+	if (g.nodes.is_empty()) {
 		return;
 	}
 
@@ -1303,7 +1303,7 @@ void SceneTree::get_argument_options(const StringName &p_function, int p_idx, Li
 		List<String> directories;
 		directories.push_back(dir_access->get_current_dir());
 
-		while (!directories.empty()) {
+		while (!directories.is_empty()) {
 			dir_access->change_dir(directories.back()->get());
 			directories.pop_back();
 
diff --git a/scene/main/shader_globals_override.cpp b/scene/main/shader_globals_override.cpp
index 432fb5b4fba..d072abe5462 100644
--- a/scene/main/shader_globals_override.cpp
+++ b/scene/main/shader_globals_override.cpp
@@ -264,7 +264,7 @@ String ShaderGlobalsOverride::get_configuration_warning() const {
 	String warning = Node::get_configuration_warning();
 
 	if (!active) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("ShaderGlobalsOverride is not active because another node of the same type is in the scene.");
diff --git a/scene/main/viewport.cpp b/scene/main/viewport.cpp
index 54cd3a00544..0185a5f8651 100644
--- a/scene/main/viewport.cpp
+++ b/scene/main/viewport.cpp
@@ -1505,7 +1505,7 @@ String Viewport::_gui_get_tooltip(Control *p_control, const Vector2 &p_pos, Cont
 		}
 
 		// If we found a tooltip, we stop here.
-		if (!tooltip.empty()) {
+		if (!tooltip.is_empty()) {
 			break;
 		}
 
@@ -1539,7 +1539,7 @@ void Viewport::_gui_show_tooltip() {
 			gui.tooltip_control->get_global_transform().xform_inv(gui.last_mouse_pos),
 			&tooltip_owner);
 	tooltip_text.strip_edges();
-	if (tooltip_text.empty()) {
+	if (tooltip_text.is_empty()) {
 		return; // Nothing to show.
 	}
 
@@ -3139,7 +3139,7 @@ String Viewport::get_configuration_warning() const {
 	String warning = Node::get_configuration_warning();
 
 	if (size.x == 0 || size.y == 0) {
-		if (!warning.empty()) {
+		if (!warning.is_empty()) {
 			warning += "\n\n";
 		}
 		warning += TTR("Viewport size must be greater than 0 to render anything.");
diff --git a/scene/resources/bit_map.cpp b/scene/resources/bit_map.cpp
index d07447179d0..f4764bef2de 100644
--- a/scene/resources/bit_map.cpp
+++ b/scene/resources/bit_map.cpp
@@ -43,7 +43,7 @@ void BitMap::create(const Size2 &p_size) {
 }
 
 void BitMap::create_from_image_alpha(const Ref<Image> &p_image, float p_threshold) {
-	ERR_FAIL_COND(p_image.is_null() || p_image->empty());
+	ERR_FAIL_COND(p_image.is_null() || p_image->is_empty());
 	Ref<Image> img = p_image->duplicate();
 	img->convert(Image::FORMAT_LA8);
 	ERR_FAIL_COND(img->get_format() != Image::FORMAT_LA8);
diff --git a/scene/resources/curve.cpp b/scene/resources/curve.cpp
index de076670cfc..e97f3f88258 100644
--- a/scene/resources/curve.cpp
+++ b/scene/resources/curve.cpp
@@ -602,7 +602,7 @@ void Curve2D::remove_point(int p_index) {
 }
 
 void Curve2D::clear_points() {
-	if (!points.empty()) {
+	if (!points.is_empty()) {
 		points.clear();
 		baked_cache_dirty = true;
 		emit_signal(CoreStringNames::get_singleton()->changed);
@@ -1087,7 +1087,7 @@ void Curve3D::remove_point(int p_index) {
 }
 
 void Curve3D::clear_points() {
-	if (!points.empty()) {
+	if (!points.is_empty()) {
 		points.clear();
 		baked_cache_dirty = true;
 		emit_signal(CoreStringNames::get_singleton()->changed);
diff --git a/scene/resources/font.cpp b/scene/resources/font.cpp
index 791f260c0e8..667d4af76d1 100644
--- a/scene/resources/font.cpp
+++ b/scene/resources/font.cpp
@@ -724,7 +724,7 @@ void Font::set_spacing(int p_type, int p_value) {
 // Drawing string and string sizes, cached.
 
 Size2 Font::get_string_size(const String &p_text, int p_size) const {
-	ERR_FAIL_COND_V(data.empty(), Size2());
+	ERR_FAIL_COND_V(data.is_empty(), Size2());
 
 	uint64_t hash = p_text.hash64();
 	hash = hash_djb2_one_64(p_size, hash);
@@ -746,7 +746,7 @@ Size2 Font::get_string_size(const String &p_text, int p_size) const {
 }
 
 Size2 Font::get_multiline_string_size(const String &p_text, float p_width, int p_size, uint8_t p_flags) const {
-	ERR_FAIL_COND_V(data.empty(), Size2());
+	ERR_FAIL_COND_V(data.is_empty(), Size2());
 
 	uint64_t hash = p_text.hash64();
 	hash = hash_djb2_one_64(p_size, hash);
diff --git a/scene/resources/gradient.h b/scene/resources/gradient.h
index e8399097702..0e8f1143837 100644
--- a/scene/resources/gradient.h
+++ b/scene/resources/gradient.h
@@ -82,7 +82,7 @@ public:
 	Vector<Color> get_colors() const;
 
 	_FORCE_INLINE_ Color get_color_at_offset(float p_offset) {
-		if (points.empty()) {
+		if (points.is_empty()) {
 			return Color(0, 0, 0, 1);
 		}
 
diff --git a/scene/resources/mesh.cpp b/scene/resources/mesh.cpp
index f1c05b80142..8d101aa8d3d 100644
--- a/scene/resources/mesh.cpp
+++ b/scene/resources/mesh.cpp
@@ -74,7 +74,7 @@ Ref<TriangleMesh> Mesh::generate_triangle_mesh() const {
 		}
 
 		Array a = surface_get_arrays(i);
-		ERR_FAIL_COND_V(a.empty(), Ref<TriangleMesh>());
+		ERR_FAIL_COND_V(a.is_empty(), Ref<TriangleMesh>());
 
 		int vc = surface_get_array_len(i);
 		Vector<Vector3> vertices = a[ARRAY_VERTEX];
@@ -226,7 +226,7 @@ Ref<Shape3D> Mesh::create_convex_shape() const {
 
 	for (int i = 0; i < get_surface_count(); i++) {
 		Array a = surface_get_arrays(i);
-		ERR_FAIL_COND_V(a.empty(), Ref<ConvexPolygonShape3D>());
+		ERR_FAIL_COND_V(a.is_empty(), Ref<ConvexPolygonShape3D>());
 		Vector<Vector3> v = a[ARRAY_VERTEX];
 		vertices.append_array(v);
 	}
@@ -266,7 +266,7 @@ Ref<Mesh> Mesh::create_outline(float p_margin) const {
 		}
 
 		Array a = surface_get_arrays(i);
-		ERR_FAIL_COND_V(a.empty(), Ref<ArrayMesh>());
+		ERR_FAIL_COND_V(a.is_empty(), Ref<ArrayMesh>());
 
 		if (i == 0) {
 			arrays = a;
diff --git a/scene/resources/mesh_data_tool.cpp b/scene/resources/mesh_data_tool.cpp
index a5c360f123c..a24cc800dfd 100644
--- a/scene/resources/mesh_data_tool.cpp
+++ b/scene/resources/mesh_data_tool.cpp
@@ -43,7 +43,7 @@ Error MeshDataTool::create_from_surface(const Ref<ArrayMesh> &p_mesh, int p_surf
 	ERR_FAIL_COND_V(p_mesh->surface_get_primitive_type(p_surface) != Mesh::PRIMITIVE_TRIANGLES, ERR_INVALID_PARAMETER);
 
 	Array arrays = p_mesh->surface_get_arrays(p_surface);
-	ERR_FAIL_COND_V(arrays.empty(), ERR_INVALID_PARAMETER);
+	ERR_FAIL_COND_V(arrays.is_empty(), ERR_INVALID_PARAMETER);
 
 	Vector<Vector3> varray = arrays[Mesh::ARRAY_VERTEX];
 
diff --git a/scene/resources/packed_scene.cpp b/scene/resources/packed_scene.cpp
index 09674f34655..a89858f02ae 100644
--- a/scene/resources/packed_scene.cpp
+++ b/scene/resources/packed_scene.cpp
@@ -80,7 +80,7 @@ Node *SceneState::instance(GenEditState p_edit_state) const {
 
 	Node **ret_nodes = (Node **)alloca(sizeof(Node *) * nc);
 
-	bool gen_node_path_cache = p_edit_state != GEN_EDIT_STATE_DISABLED && node_path_cache.empty();
+	bool gen_node_path_cache = p_edit_state != GEN_EDIT_STATE_DISABLED && node_path_cache.is_empty();
 
 	Map<Ref<Resource>, Ref<Resource>> resources_local_to_scene;
 
@@ -603,7 +603,7 @@ Error SceneState::_parse_node(Node *p_owner, Node *p_node, int p_parent_idx, Map
 
 	// Save the right type. If this node was created by an instance
 	// then flag that the node should not be created but reused
-	if (pack_state_stack.empty()) {
+	if (pack_state_stack.is_empty()) {
 		//this node is not part of an instancing process, so save the type
 		nd.type = _nm_get_string(p_node->get_class(), name_map);
 	} else {
@@ -1349,7 +1349,7 @@ NodePath SceneState::get_node_path(int p_idx, bool p_for_parent) const {
 		sub_path.insert(0, base_path.get_name(i));
 	}
 
-	if (sub_path.empty()) {
+	if (sub_path.is_empty()) {
 		return NodePath(".");
 	}
 
diff --git a/scene/resources/shape_3d.cpp b/scene/resources/shape_3d.cpp
index 59766f4f1f5..115d7f74cc1 100644
--- a/scene/resources/shape_3d.cpp
+++ b/scene/resources/shape_3d.cpp
@@ -66,7 +66,7 @@ Ref<ArrayMesh> Shape3D::get_debug_mesh() {
 
 	debug_mesh_cache = Ref<ArrayMesh>(memnew(ArrayMesh));
 
-	if (!lines.empty()) {
+	if (!lines.is_empty()) {
 		//make mesh
 		Vector<Vector3> array;
 		array.resize(lines.size());
diff --git a/scene/resources/syntax_highlighter.cpp b/scene/resources/syntax_highlighter.cpp
index e3e4373fa93..96c7f23981e 100644
--- a/scene/resources/syntax_highlighter.cpp
+++ b/scene/resources/syntax_highlighter.cpp
@@ -552,7 +552,7 @@ Dictionary CodeHighlighter::get_color_regions() const {
 	Dictionary r_color_regions;
 	for (int i = 0; i < color_regions.size(); i++) {
 		ColorRegion region = color_regions[i];
-		r_color_regions[region.start_key + (region.end_key.empty() ? "" : " " + region.end_key)] = region.color;
+		r_color_regions[region.start_key + (region.end_key.is_empty() ? "" : " " + region.end_key)] = region.color;
 	}
 	return r_color_regions;
 }
diff --git a/scene/resources/text_line.cpp b/scene/resources/text_line.cpp
index cc9b6758b67..a32d443c6a7 100644
--- a/scene/resources/text_line.cpp
+++ b/scene/resources/text_line.cpp
@@ -97,7 +97,7 @@ void TextLine::_bind_methods() {
 
 void TextLine::_shape() {
 	if (dirty) {
-		if (!tab_stops.empty()) {
+		if (!tab_stops.is_empty()) {
 			TS->shaped_text_tab_align(rid, tab_stops);
 		}
 		if (align == HALIGN_FILL) {
diff --git a/scene/resources/text_paragraph.cpp b/scene/resources/text_paragraph.cpp
index fd6dd071eb3..2624cc8b0bf 100644
--- a/scene/resources/text_paragraph.cpp
+++ b/scene/resources/text_paragraph.cpp
@@ -110,14 +110,14 @@ void TextParagraph::_shape_lines() {
 		}
 		lines.clear();
 
-		if (!tab_stops.empty()) {
+		if (!tab_stops.is_empty()) {
 			TS->shaped_text_tab_align(rid, tab_stops);
 		}
 
 		Vector<Vector2i> line_breaks = TS->shaped_text_get_line_breaks(rid, width, 0, flags);
 		for (int i = 0; i < line_breaks.size(); i++) {
 			RID line = TS->shaped_text_substr(rid, line_breaks[i].x, line_breaks[i].y - line_breaks[i].x);
-			if (!tab_stops.empty()) {
+			if (!tab_stops.is_empty()) {
 				TS->shaped_text_tab_align(line, tab_stops);
 			}
 			if (align == HALIGN_FILL && (line_breaks.size() == 1 || i < line_breaks.size() - 1)) {
diff --git a/scene/resources/texture.cpp b/scene/resources/texture.cpp
index 706b18d2b57..730b53b29c4 100644
--- a/scene/resources/texture.cpp
+++ b/scene/resources/texture.cpp
@@ -371,8 +371,8 @@ Ref<Image> StreamTexture2D::load_image_from_file(FileAccess *f, int p_size_limit
 				img = Image::lossy_unpacker(pv);
 			}
 
-			if (img.is_null() || img->empty()) {
-				ERR_FAIL_COND_V(img.is_null() || img->empty(), Ref<Image>());
+			if (img.is_null() || img->is_empty()) {
+				ERR_FAIL_COND_V(img.is_null() || img->is_empty(), Ref<Image>());
 			}
 
 			if (first) {
@@ -548,7 +548,7 @@ Error StreamTexture2D::_load_data(const String &p_path, int &tw, int &th, int &t
 
 	memdelete(f);
 
-	if (image.is_null() || image->empty()) {
+	if (image.is_null() || image->is_empty()) {
 		return ERR_CANT_OPEN;
 	}
 
@@ -924,7 +924,7 @@ Error StreamTexture3D::_load_data(const String &p_path, Vector<Ref<Image>> &r_da
 
 	for (int i = 0; i < (r_depth + mipmaps); i++) {
 		Ref<Image> image = StreamTexture2D::load_image_from_file(f, 0);
-		ERR_FAIL_COND_V(image.is_null() || image->empty(), ERR_CANT_OPEN);
+		ERR_FAIL_COND_V(image.is_null() || image->is_empty(), ERR_CANT_OPEN);
 		if (i == 0) {
 			r_format = image->get_format();
 			r_width = image->get_width();
@@ -2223,7 +2223,7 @@ Error ImageTextureLayered::create_from_images(Vector<Ref<Image>> p_images) {
 				"Cubemap array layers must be a multiple of 6");
 	}
 
-	ERR_FAIL_COND_V(p_images[0].is_null() || p_images[0]->empty(), ERR_INVALID_PARAMETER);
+	ERR_FAIL_COND_V(p_images[0].is_null() || p_images[0]->is_empty(), ERR_INVALID_PARAMETER);
 
 	Image::Format new_format = p_images[0]->get_format();
 	int new_width = p_images[0]->get_width();
@@ -2361,7 +2361,7 @@ Error StreamTextureLayered::_load_data(const String &p_path, Vector<Ref<Image>>
 
 	for (uint32_t i = 0; i < layer_count; i++) {
 		Ref<Image> image = StreamTexture2D::load_image_from_file(f, p_size_limit);
-		ERR_FAIL_COND_V(image.is_null() || image->empty(), ERR_CANT_OPEN);
+		ERR_FAIL_COND_V(image.is_null() || image->is_empty(), ERR_CANT_OPEN);
 		images.write[i] = image;
 	}
 
diff --git a/scene/resources/visual_shader.cpp b/scene/resources/visual_shader.cpp
index 34129e35da3..50f456bc59a 100644
--- a/scene/resources/visual_shader.cpp
+++ b/scene/resources/visual_shader.cpp
@@ -3124,7 +3124,7 @@ String VisualShaderNodeExpression::generate_code(Shader::Mode p_mode, VisualShad
 	_expression = _expression.replace("\n", "\n\t\t");
 
 	static Vector<String> pre_symbols;
-	if (pre_symbols.empty()) {
+	if (pre_symbols.is_empty()) {
 		pre_symbols.push_back("\t");
 		pre_symbols.push_back(",");
 		pre_symbols.push_back(";");
@@ -3144,7 +3144,7 @@ String VisualShaderNodeExpression::generate_code(Shader::Mode p_mode, VisualShad
 	}
 
 	static Vector<String> post_symbols;
-	if (post_symbols.empty()) {
+	if (post_symbols.is_empty()) {
 		post_symbols.push_back("\t");
 		post_symbols.push_back("\n");
 		post_symbols.push_back(",");
diff --git a/scene/resources/world_2d.cpp b/scene/resources/world_2d.cpp
index 41d3fe20be8..7aad3a2e055 100644
--- a/scene/resources/world_2d.cpp
+++ b/scene/resources/world_2d.cpp
@@ -111,7 +111,7 @@ struct SpatialIndexer2D {
 					ERR_CONTINUE(!E);
 					if (E->get().notifiers[p_notifier].dec() == 0) {
 						E->get().notifiers.erase(p_notifier);
-						if (E->get().notifiers.empty()) {
+						if (E->get().notifiers.is_empty()) {
 							cells.erase(E);
 						}
 					}
@@ -156,7 +156,7 @@ struct SpatialIndexer2D {
 			}
 		}
 
-		while (!removed.empty()) {
+		while (!removed.is_empty()) {
 			p_notifier->_exit_viewport(removed.front()->get());
 			removed.pop_front();
 		}
@@ -189,7 +189,7 @@ struct SpatialIndexer2D {
 			removed.push_back(E->key());
 		}
 
-		while (!removed.empty()) {
+		while (!removed.is_empty()) {
 			removed.front()->get()->_exit_viewport(p_viewport);
 			removed.pop_front();
 		}
@@ -271,12 +271,12 @@ struct SpatialIndexer2D {
 				}
 			}
 
-			while (!added.empty()) {
+			while (!added.is_empty()) {
 				added.front()->get()->_enter_viewport(E->key());
 				added.pop_front();
 			}
 
-			while (!removed.empty()) {
+			while (!removed.is_empty()) {
 				E->get().notifiers.erase(removed.front()->get());
 				removed.front()->get()->_exit_viewport(E->key());
 				removed.pop_front();
diff --git a/scene/resources/world_3d.cpp b/scene/resources/world_3d.cpp
index b8fb3825cef..1503152b5e5 100644
--- a/scene/resources/world_3d.cpp
+++ b/scene/resources/world_3d.cpp
@@ -97,7 +97,7 @@ struct SpatialIndexer {
 			}
 		}
 
-		while (!removed.empty()) {
+		while (!removed.is_empty()) {
 			p_notifier->_exit_camera(removed.front()->get());
 			removed.pop_front();
 		}
@@ -125,7 +125,7 @@ struct SpatialIndexer {
 			removed.push_back(E->key());
 		}
 
-		while (!removed.empty()) {
+		while (!removed.is_empty()) {
 			removed.front()->get()->_exit_camera(p_camera);
 			removed.pop_front();
 		}
@@ -175,12 +175,12 @@ struct SpatialIndexer {
 				}
 			}
 
-			while (!added.empty()) {
+			while (!added.is_empty()) {
 				added.front()->get()->_enter_camera(E->key());
 				added.pop_front();
 			}
 
-			while (!removed.empty()) {
+			while (!removed.is_empty()) {
 				E->get().notifiers.erase(removed.front()->get());
 				removed.front()->get()->_exit_camera(E->key());
 				removed.pop_front();
diff --git a/servers/physics_2d/area_2d_sw.cpp b/servers/physics_2d/area_2d_sw.cpp
index 7485f31afcd..31704c9f66b 100644
--- a/servers/physics_2d/area_2d_sw.cpp
+++ b/servers/physics_2d/area_2d_sw.cpp
@@ -199,7 +199,7 @@ void Area2DSW::set_monitorable(bool p_monitorable) {
 }
 
 void Area2DSW::call_queries() {
-	if (monitor_callback_id.is_valid() && !monitored_bodies.empty()) {
+	if (monitor_callback_id.is_valid() && !monitored_bodies.is_empty()) {
 		Variant res[5];
 		Variant *resptr[5];
 		for (int i = 0; i < 5; i++) {
@@ -234,7 +234,7 @@ void Area2DSW::call_queries() {
 		}
 	}
 
-	if (area_monitor_callback_id.is_valid() && !monitored_areas.empty()) {
+	if (area_monitor_callback_id.is_valid() && !monitored_areas.is_empty()) {
 		Variant res[5];
 		Variant *resptr[5];
 		for (int i = 0; i < 5; i++) {
diff --git a/servers/physics_2d/body_2d_sw.h b/servers/physics_2d/body_2d_sw.h
index 19e4b92a995..1b940a5b548 100644
--- a/servers/physics_2d/body_2d_sw.h
+++ b/servers/physics_2d/body_2d_sw.h
@@ -164,7 +164,7 @@ public:
 
 	_FORCE_INLINE_ int get_max_contacts_reported() const { return contacts.size(); }
 
-	_FORCE_INLINE_ bool can_report_contacts() const { return !contacts.empty(); }
+	_FORCE_INLINE_ bool can_report_contacts() const { return !contacts.is_empty(); }
 	_FORCE_INLINE_ void add_contact(const Vector2 &p_local_pos, const Vector2 &p_local_normal, real_t p_depth, int p_local_shape, const Vector2 &p_collider_pos, int p_collider_shape, ObjectID p_collider_instance_id, const RID &p_collider, const Vector2 &p_collider_velocity_at_pos);
 
 	_FORCE_INLINE_ void add_exception(const RID &p_exception) { exceptions.insert(p_exception); }
diff --git a/servers/physics_2d/broad_phase_2d_hash_grid.cpp b/servers/physics_2d/broad_phase_2d_hash_grid.cpp
index c8b3d193c97..4fca48e771f 100644
--- a/servers/physics_2d/broad_phase_2d_hash_grid.cpp
+++ b/servers/physics_2d/broad_phase_2d_hash_grid.cpp
@@ -261,7 +261,7 @@ void BroadPhase2DHashGrid::_exit_grid(Element *p_elem, const Rect2 &p_rect, bool
 				}
 			}
 
-			if (pb->object_set.empty() && pb->static_object_set.empty()) {
+			if (pb->object_set.is_empty() && pb->static_object_set.is_empty()) {
 				if (hash_table[idx] == pb) {
 					hash_table[idx] = pb->next;
 				} else {
diff --git a/servers/physics_2d/space_2d_sw.h b/servers/physics_2d/space_2d_sw.h
index 93b62e0ba40..173157d3072 100644
--- a/servers/physics_2d/space_2d_sw.h
+++ b/servers/physics_2d/space_2d_sw.h
@@ -187,7 +187,7 @@ public:
 	int test_body_ray_separation(Body2DSW *p_body, const Transform2D &p_transform, bool p_infinite_inertia, Vector2 &r_recover_motion, PhysicsServer2D::SeparationResult *r_results, int p_result_max, real_t p_margin);
 
 	void set_debug_contacts(int p_amount) { contact_debug.resize(p_amount); }
-	_FORCE_INLINE_ bool is_debugging_contacts() const { return !contact_debug.empty(); }
+	_FORCE_INLINE_ bool is_debugging_contacts() const { return !contact_debug.is_empty(); }
 	_FORCE_INLINE_ void add_debug_contact(const Vector2 &p_contact) {
 		if (contact_debug_count < contact_debug.size()) {
 			contact_debug.write[contact_debug_count++] = p_contact;
diff --git a/servers/physics_3d/area_3d_sw.cpp b/servers/physics_3d/area_3d_sw.cpp
index 571f1435dea..e67112c6349 100644
--- a/servers/physics_3d/area_3d_sw.cpp
+++ b/servers/physics_3d/area_3d_sw.cpp
@@ -199,7 +199,7 @@ void Area3DSW::set_monitorable(bool p_monitorable) {
 }
 
 void Area3DSW::call_queries() {
-	if (monitor_callback_id.is_valid() && !monitored_bodies.empty()) {
+	if (monitor_callback_id.is_valid() && !monitored_bodies.is_empty()) {
 		Variant res[5];
 		Variant *resptr[5];
 		for (int i = 0; i < 5; i++) {
@@ -234,7 +234,7 @@ void Area3DSW::call_queries() {
 		}
 	}
 
-	if (area_monitor_callback_id.is_valid() && !monitored_areas.empty()) {
+	if (area_monitor_callback_id.is_valid() && !monitored_areas.is_empty()) {
 		Variant res[5];
 		Variant *resptr[5];
 		for (int i = 0; i < 5; i++) {
diff --git a/servers/physics_3d/body_3d_sw.h b/servers/physics_3d/body_3d_sw.h
index 6dbda8670ae..6c6ffc996a3 100644
--- a/servers/physics_3d/body_3d_sw.h
+++ b/servers/physics_3d/body_3d_sw.h
@@ -178,7 +178,7 @@ public:
 	}
 	_FORCE_INLINE_ int get_max_contacts_reported() const { return contacts.size(); }
 
-	_FORCE_INLINE_ bool can_report_contacts() const { return !contacts.empty(); }
+	_FORCE_INLINE_ bool can_report_contacts() const { return !contacts.is_empty(); }
 	_FORCE_INLINE_ void add_contact(const Vector3 &p_local_pos, const Vector3 &p_local_normal, real_t p_depth, int p_local_shape, const Vector3 &p_collider_pos, int p_collider_shape, ObjectID p_collider_instance_id, const RID &p_collider, const Vector3 &p_collider_velocity_at_pos);
 
 	_FORCE_INLINE_ void add_exception(const RID &p_exception) { exceptions.insert(p_exception); }
diff --git a/servers/physics_3d/space_3d_sw.h b/servers/physics_3d/space_3d_sw.h
index 22535a6adb2..668afa832ca 100644
--- a/servers/physics_3d/space_3d_sw.h
+++ b/servers/physics_3d/space_3d_sw.h
@@ -182,7 +182,7 @@ public:
 	PhysicsDirectSpaceState3DSW *get_direct_state();
 
 	void set_debug_contacts(int p_amount) { contact_debug.resize(p_amount); }
-	_FORCE_INLINE_ bool is_debugging_contacts() const { return !contact_debug.empty(); }
+	_FORCE_INLINE_ bool is_debugging_contacts() const { return !contact_debug.is_empty(); }
 	_FORCE_INLINE_ void add_debug_contact(const Vector3 &p_contact) {
 		if (contact_debug_count < contact_debug.size()) {
 			contact_debug.write[contact_debug_count++] = p_contact;
diff --git a/servers/rendering/renderer_canvas_cull.cpp b/servers/rendering/renderer_canvas_cull.cpp
index ea6ed2b532e..72ae719c93b 100644
--- a/servers/rendering/renderer_canvas_cull.cpp
+++ b/servers/rendering/renderer_canvas_cull.cpp
@@ -874,7 +874,7 @@ void RendererCanvasCull::canvas_item_add_polygon(RID p_item, const Vector<Point2
 	ERR_FAIL_COND(uv_size != 0 && (uv_size != pointcount));
 #endif
 	Vector<int> indices = Geometry2D::triangulate_polygon(p_points);
-	ERR_FAIL_COND_MSG(indices.empty(), "Invalid polygon data, triangulation failed.");
+	ERR_FAIL_COND_MSG(indices.is_empty(), "Invalid polygon data, triangulation failed.");
 
 	Item::CommandPolygon *polygon = canvas_item->alloc_command<Item::CommandPolygon>();
 	ERR_FAIL_COND(!polygon);
@@ -889,10 +889,10 @@ void RendererCanvasCull::canvas_item_add_triangle_array(RID p_item, const Vector
 
 	int vertex_count = p_points.size();
 	ERR_FAIL_COND(vertex_count == 0);
-	ERR_FAIL_COND(!p_colors.empty() && p_colors.size() != vertex_count && p_colors.size() != 1);
-	ERR_FAIL_COND(!p_uvs.empty() && p_uvs.size() != vertex_count);
-	ERR_FAIL_COND(!p_bones.empty() && p_bones.size() != vertex_count * 4);
-	ERR_FAIL_COND(!p_weights.empty() && p_weights.size() != vertex_count * 4);
+	ERR_FAIL_COND(!p_colors.is_empty() && p_colors.size() != vertex_count && p_colors.size() != 1);
+	ERR_FAIL_COND(!p_uvs.is_empty() && p_uvs.size() != vertex_count);
+	ERR_FAIL_COND(!p_bones.is_empty() && p_bones.size() != vertex_count * 4);
+	ERR_FAIL_COND(!p_weights.is_empty() && p_weights.size() != vertex_count * 4);
 
 	Vector<int> indices = p_indices;
 
diff --git a/servers/rendering/renderer_rd/renderer_scene_render_forward.cpp b/servers/rendering/renderer_rd/renderer_scene_render_forward.cpp
index 983fbc9b64b..80bd429f2fa 100644
--- a/servers/rendering/renderer_rd/renderer_scene_render_forward.cpp
+++ b/servers/rendering/renderer_rd/renderer_scene_render_forward.cpp
@@ -894,7 +894,7 @@ void RendererSceneRenderForward::_fill_instances(RenderList::Element **p_element
 			} else {
 				id.gi_offset = 0xFFFFFFFF;
 			}
-		} else if (!e->instance->lightmap_sh.empty()) {
+		} else if (!e->instance->lightmap_sh.is_empty()) {
 			if (lightmap_captures_used < scene_state.max_lightmap_captures) {
 				const Color *src_capture = e->instance->lightmap_sh.ptr();
 				LightmapCaptureData &lcd = scene_state.lightmap_captures[lightmap_captures_used];
@@ -914,7 +914,7 @@ void RendererSceneRenderForward::_fill_instances(RenderList::Element **p_element
 				id.flags |= INSTANCE_DATA_FLAG_USE_GI_BUFFERS;
 			}
 
-			if (!low_end && !e->instance->gi_probe_instances.empty()) {
+			if (!low_end && !e->instance->gi_probe_instances.is_empty()) {
 				uint32_t written = 0;
 				for (int j = 0; j < e->instance->gi_probe_instances.size(); j++) {
 					RID probe = e->instance->gi_probe_instances[j];
@@ -1521,7 +1521,7 @@ void RendererSceneRenderForward::_add_geometry_with_material(InstanceBase *p_ins
 	e->geometry_index = p_geometry_index;
 	e->material_index = e->material->index;
 	e->uses_instancing = e->instance->base_type == RS::INSTANCE_MULTIMESH;
-	e->uses_lightmap = e->instance->lightmap != nullptr || !e->instance->lightmap_sh.empty();
+	e->uses_lightmap = e->instance->lightmap != nullptr || !e->instance->lightmap_sh.is_empty();
 	e->uses_forward_gi = has_alpha && (e->instance->gi_probe_instances.size() || p_using_sdfgi);
 	e->shader_index = e->shader_index;
 	e->depth_layer = e->instance->depth_layer;
diff --git a/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp b/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
index e9bc67b0537..dd4762fec8b 100644
--- a/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
@@ -6681,7 +6681,7 @@ void RendererSceneRenderRD::_update_volumetric_fog(RID p_render_buffers, RID p_e
 	//update directional shadow
 
 	if (p_use_directional_shadows) {
-		if (directional_shadow.shrink_stages.empty()) {
+		if (directional_shadow.shrink_stages.is_empty()) {
 			if (rb->volumetric_fog->uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(rb->volumetric_fog->uniform_set)) {
 				//invalidate uniform set, we will need a new one
 				RD::get_singleton()->free(rb->volumetric_fog->uniform_set);
@@ -6716,7 +6716,7 @@ void RendererSceneRenderRD::_update_volumetric_fog(RID p_render_buffers, RID p_e
 
 		bool force_shrink_shadows = false;
 
-		if (shadow_atlas->shrink_stages.empty()) {
+		if (shadow_atlas->shrink_stages.is_empty()) {
 			if (rb->volumetric_fog->uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(rb->volumetric_fog->uniform_set)) {
 				//invalidate uniform set, we will need a new one
 				RD::get_singleton()->free(rb->volumetric_fog->uniform_set);
diff --git a/servers/rendering/renderer_rd/renderer_storage_rd.cpp b/servers/rendering/renderer_rd/renderer_storage_rd.cpp
index 61b390b956d..9da4fab75d4 100644
--- a/servers/rendering/renderer_rd/renderer_storage_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_storage_rd.cpp
@@ -537,7 +537,7 @@ Ref<Image> RendererStorageRD::_validate_texture_format(const Ref<Image> &p_image
 
 RID RendererStorageRD::texture_2d_create(const Ref<Image> &p_image) {
 	ERR_FAIL_COND_V(p_image.is_null(), RID());
-	ERR_FAIL_COND_V(p_image->empty(), RID());
+	ERR_FAIL_COND_V(p_image->is_empty(), RID());
 
 	TextureToRDFormat ret_format;
 	Ref<Image> image = _validate_texture_format(p_image, ret_format);
@@ -620,7 +620,7 @@ RID RendererStorageRD::texture_2d_layered_create(const Vector<Ref<Image>> &p_lay
 		Image::Format valid_format = Image::FORMAT_MAX;
 
 		for (int i = 0; i < p_layers.size(); i++) {
-			ERR_FAIL_COND_V(p_layers[i]->empty(), RID());
+			ERR_FAIL_COND_V(p_layers[i]->is_empty(), RID());
 
 			if (i == 0) {
 				valid_width = p_layers[i]->get_width();
@@ -855,7 +855,7 @@ RID RendererStorageRD::texture_proxy_create(RID p_base) {
 }
 
 void RendererStorageRD::_texture_2d_update(RID p_texture, const Ref<Image> &p_image, int p_layer, bool p_immediate) {
-	ERR_FAIL_COND(p_image.is_null() || p_image->empty());
+	ERR_FAIL_COND(p_image.is_null() || p_image->is_empty());
 
 	Texture *tex = texture_owner.getornull(p_texture);
 	ERR_FAIL_COND(!tex);
@@ -1039,7 +1039,7 @@ Ref<Image> RendererStorageRD::texture_2d_get(RID p_texture) const {
 	Ref<Image> image;
 	image.instance();
 	image->create(tex->width, tex->height, tex->mipmaps > 1, tex->validated_format, data);
-	ERR_FAIL_COND_V(image->empty(), Ref<Image>());
+	ERR_FAIL_COND_V(image->is_empty(), Ref<Image>());
 	if (tex->format != tex->validated_format) {
 		image->convert(tex->format);
 	}
@@ -1062,7 +1062,7 @@ Ref<Image> RendererStorageRD::texture_2d_layer_get(RID p_texture, int p_layer) c
 	Ref<Image> image;
 	image.instance();
 	image->create(tex->width, tex->height, tex->mipmaps > 1, tex->validated_format, data);
-	ERR_FAIL_COND_V(image->empty(), Ref<Image>());
+	ERR_FAIL_COND_V(image->is_empty(), Ref<Image>());
 	if (tex->format != tex->validated_format) {
 		image->convert(tex->format);
 	}
@@ -1090,7 +1090,7 @@ Vector<Ref<Image>> RendererStorageRD::texture_3d_get(RID p_texture) const {
 		Ref<Image> img;
 		img.instance();
 		img->create(bs.size.width, bs.size.height, false, tex->validated_format, sub_region);
-		ERR_FAIL_COND_V(img->empty(), Vector<Ref<Image>>());
+		ERR_FAIL_COND_V(img->is_empty(), Vector<Ref<Image>>());
 		if (tex->format != tex->validated_format) {
 			img->convert(tex->format);
 		}
diff --git a/servers/rendering/renderer_rd/renderer_storage_rd.h b/servers/rendering/renderer_rd/renderer_storage_rd.h
index e4199ffd12c..328e4d49999 100644
--- a/servers/rendering/renderer_rd/renderer_storage_rd.h
+++ b/servers/rendering/renderer_rd/renderer_storage_rd.h
@@ -1408,7 +1408,7 @@ public:
 		if (r_surface_count == 0) {
 			return nullptr;
 		}
-		if (mesh->material_cache.empty()) {
+		if (mesh->material_cache.is_empty()) {
 			mesh->material_cache.resize(mesh->surface_count);
 			for (uint32_t i = 0; i < r_surface_count; i++) {
 				mesh->material_cache.write[i] = mesh->surfaces[i]->material;
diff --git a/servers/rendering/renderer_scene_cull.cpp b/servers/rendering/renderer_scene_cull.cpp
index 6ece46645c4..3ec2a4c9c82 100644
--- a/servers/rendering/renderer_scene_cull.cpp
+++ b/servers/rendering/renderer_scene_cull.cpp
@@ -255,7 +255,7 @@ void RendererSceneCull::_instance_unpair(Instance *p_A, Instance *p_B) {
 		if (A->dynamic_gi) {
 			geom->lightmap_captures.erase(B);
 
-			if (geom->lightmap_captures.empty() && A->scenario && A->array_index >= 0) {
+			if (geom->lightmap_captures.is_empty() && A->scenario && A->array_index >= 0) {
 				InstanceData &idata = A->scenario->instance_data[A->array_index];
 				idata.flags &= ~uint32_t(InstanceData::FLAG_LIGHTMAP_CAPTURE);
 			}
@@ -1134,7 +1134,7 @@ void RendererSceneCull::_update_instance(Instance *p_instance) {
 			//affected by lightmap captures, must update capture info!
 			_update_instance_lightmap_captures(p_instance);
 		} else {
-			if (!p_instance->lightmap_sh.empty()) {
+			if (!p_instance->lightmap_sh.is_empty()) {
 				p_instance->lightmap_sh.clear(); //don't need SH
 				p_instance->lightmap_target_sh.clear(); //don't need SH
 			}
@@ -2382,7 +2382,7 @@ void RendererSceneCull::_prepare_scene(const Transform p_cam_transform, const Ca
 						idata.flags &= ~uint32_t(InstanceData::FLAG_GEOM_GI_PROBE_DIRTY);
 					}
 
-					if ((idata.flags & InstanceData::FLAG_LIGHTMAP_CAPTURE) && idata.instance->last_frame_pass != frame_number && !idata.instance->lightmap_target_sh.empty() && !idata.instance->lightmap_sh.empty()) {
+					if ((idata.flags & InstanceData::FLAG_LIGHTMAP_CAPTURE) && idata.instance->last_frame_pass != frame_number && !idata.instance->lightmap_target_sh.is_empty() && !idata.instance->lightmap_sh.is_empty()) {
 						Color *sh = idata.instance->lightmap_sh.ptrw();
 						const Color *target_sh = idata.instance->lightmap_target_sh.ptr();
 						for (uint32_t j = 0; j < 9; j++) {
diff --git a/servers/rendering/rendering_device.cpp b/servers/rendering/rendering_device.cpp
index ba306700826..e78140bcecd 100644
--- a/servers/rendering/rendering_device.cpp
+++ b/servers/rendering/rendering_device.cpp
@@ -68,7 +68,7 @@ RID RenderingDevice::_texture_create(const Ref<RDTextureFormat> &p_format, const
 	Vector<Vector<uint8_t>> data;
 	for (int i = 0; i < p_data.size(); i++) {
 		Vector<uint8_t> byte_slice = p_data[i];
-		ERR_FAIL_COND_V(byte_slice.empty(), RID());
+		ERR_FAIL_COND_V(byte_slice.is_empty(), RID());
 		data.push_back(byte_slice);
 	}
 	return texture_create(p_format->base, p_view->base, data);
@@ -154,7 +154,7 @@ RID RenderingDevice::shader_create_from_bytecode(const Ref<RDShaderBytecode> &p_
 		String error = p_bytecode->get_stage_compile_error(stage);
 		ERR_FAIL_COND_V_MSG(error != String(), RID(), "Can't create a shader from an errored bytecode. Check errors in source bytecode.");
 		sd.spir_v = p_bytecode->get_stage_bytecode(stage);
-		if (sd.spir_v.empty()) {
+		if (sd.spir_v.is_empty()) {
 			continue;
 		}
 		stage_data.push_back(sd);
diff --git a/servers/rendering/rendering_device_binds.cpp b/servers/rendering/rendering_device_binds.cpp
index af9ecef0dde..90df85f961f 100644
--- a/servers/rendering/rendering_device_binds.cpp
+++ b/servers/rendering/rendering_device_binds.cpp
@@ -163,7 +163,7 @@ Error RDShaderFile::parse_versions_from_text(const String &p_text, const String
 			ERR_FAIL_V_MSG(ERR_PARSE_ERROR, "When writing compute shaders, [compute] mustbe the only stage present.");
 		}
 
-		if (version_texts.empty()) {
+		if (version_texts.is_empty()) {
 			version_texts[""] = ""; //make sure a default version exists
 		}
 
diff --git a/servers/rendering/shader_language.cpp b/servers/rendering/shader_language.cpp
index c6eef48dfa6..ba343cf8511 100644
--- a/servers/rendering/shader_language.cpp
+++ b/servers/rendering/shader_language.cpp
@@ -3818,7 +3818,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
 						if (index_expression->type == Node::TYPE_CONSTANT) {
 							ConstantNode *cnode = (ConstantNode *)index_expression;
 							if (cnode) {
-								if (!cnode->values.empty()) {
+								if (!cnode->values.is_empty()) {
 									int value = cnode->values[0].sint;
 									if (value < 0 || value >= array_size) {
 										_set_error(vformat("Index [%s] out of range [%s..%s]", value, 0, array_size - 1));
@@ -4210,7 +4210,7 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
 						if (index_expression->type == Node::TYPE_CONSTANT) {
 							ConstantNode *cnode = (ConstantNode *)index_expression;
 							if (cnode) {
-								if (!cnode->values.empty()) {
+								if (!cnode->values.is_empty()) {
 									int value = cnode->values[0].sint;
 									if (value < 0 || value >= array_size) {
 										_set_error(vformat("Index [%s] out of range [%s..%s]", value, 0, array_size - 1));
@@ -5504,7 +5504,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const FunctionInfo &p_fun
 							if (flow->flow_op == FLOW_OP_CASE) {
 								if (flow->expressions[0]->type == Node::TYPE_CONSTANT) {
 									ConstantNode *cn = static_cast<ConstantNode *>(flow->expressions[0]);
-									if (!cn || cn->values.empty()) {
+									if (!cn || cn->values.is_empty()) {
 										return ERR_PARSE_ERROR;
 									}
 									if (constants.has(cn->values[0].sint)) {
diff --git a/servers/text_server.cpp b/servers/text_server.cpp
index fa39185ac09..bdd0dbcf4e6 100644
--- a/servers/text_server.cpp
+++ b/servers/text_server.cpp
@@ -550,7 +550,7 @@ void TextServer::draw_hex_code_box(RID p_canvas, int p_size, const Vector2 &p_po
 Vector<Vector2i> TextServer::shaped_text_get_line_breaks_adv(RID p_shaped, const Vector<float> &p_width, int p_start, bool p_once, uint8_t /*TextBreakFlag*/ p_break_flags) const {
 	Vector<Vector2i> lines;
 
-	ERR_FAIL_COND_V(p_width.empty(), lines);
+	ERR_FAIL_COND_V(p_width.is_empty(), lines);
 
 	const_cast<TextServer *>(this)->shaped_text_update_breaks(p_shaped);
 	const Vector<Glyph> &logical = const_cast<TextServer *>(this)->shaped_text_sort_logical(p_shaped);
diff --git a/tests/test_class_db.h b/tests/test_class_db.h
index 9a30891c165..f95b98be155 100644
--- a/tests/test_class_db.h
+++ b/tests/test_class_db.h
@@ -397,7 +397,7 @@ void validate_method(const Context &p_context, const ExposedClass &p_class, cons
 			String type_error_msg;
 			bool arg_defval_assignable_to_type = arg_default_value_is_assignable_to_type(p_context, arg.defval, arg.type, &type_error_msg);
 			String err_msg = vformat("Invalid default value for parameter '%s' of method '%s.%s'.", arg.name, p_class.name, p_method.name);
-			if (!type_error_msg.empty()) {
+			if (!type_error_msg.is_empty()) {
 				err_msg += " " + type_error_msg;
 			}
 			TEST_COND(!arg_defval_assignable_to_type, err_msg.utf8().get_data());
@@ -538,7 +538,7 @@ void add_exposed_classes(Context &r_context) {
 
 			int argc = method_info.arguments.size();
 
-			if (method_info.name.empty()) {
+			if (method_info.name.is_empty()) {
 				continue;
 			}
 
diff --git a/tests/test_list.h b/tests/test_list.h
index 8d29bd907f9..99d52bb9d14 100644
--- a/tests/test_list.h
+++ b/tests/test_list.h
@@ -57,7 +57,7 @@ TEST_CASE("[List] Push/pop back") {
 	CHECK(n->get() == "C");
 
 	CHECK(list.size() == 3);
-	CHECK(!list.empty());
+	CHECK(!list.is_empty());
 
 	String v;
 	v = list.back()->get();
@@ -71,7 +71,7 @@ TEST_CASE("[List] Push/pop back") {
 	CHECK(v == "A");
 
 	CHECK(list.size() == 0);
-	CHECK(list.empty());
+	CHECK(list.is_empty());
 
 	CHECK(list.back() == nullptr);
 	CHECK(list.front() == nullptr);
@@ -89,7 +89,7 @@ TEST_CASE("[List] Push/pop front") {
 	CHECK(n->get() == "C");
 
 	CHECK(list.size() == 3);
-	CHECK(!list.empty());
+	CHECK(!list.is_empty());
 
 	String v;
 	v = list.front()->get();
@@ -103,7 +103,7 @@ TEST_CASE("[List] Push/pop front") {
 	CHECK(v == "A");
 
 	CHECK(list.size() == 0);
-	CHECK(list.empty());
+	CHECK(list.is_empty());
 
 	CHECK(list.back() == nullptr);
 	CHECK(list.front() == nullptr);
@@ -252,7 +252,7 @@ TEST_CASE("[List] Clear") {
 	list.clear();
 
 	CHECK(list.size() == 0);
-	CHECK(list.empty());
+	CHECK(list.is_empty());
 }
 
 TEST_CASE("[List] Invert") {
diff --git a/tests/test_math.cpp b/tests/test_math.cpp
index a7f99e54011..3d97c8bc456 100644
--- a/tests/test_math.cpp
+++ b/tests/test_math.cpp
@@ -513,7 +513,7 @@ MainLoop *test() {
 
 	List<String> cmdlargs = OS::get_singleton()->get_cmdline_args();
 
-	if (cmdlargs.empty()) {
+	if (cmdlargs.is_empty()) {
 		//try editor!
 		return nullptr;
 	}
diff --git a/tests/test_shader_lang.cpp b/tests/test_shader_lang.cpp
index e79c83b001b..2233b4464e5 100644
--- a/tests/test_shader_lang.cpp
+++ b/tests/test_shader_lang.cpp
@@ -308,7 +308,7 @@ static Error recreate_code(void *p_str, SL::ShaderNode *p_program) {
 MainLoop *test() {
 	List<String> cmdlargs = OS::get_singleton()->get_cmdline_args();
 
-	if (cmdlargs.empty()) {
+	if (cmdlargs.is_empty()) {
 		//try editor!
 		print_line("usage: godot -test shader_lang <shader>");
 		return nullptr;
diff --git a/tests/test_string.h b/tests/test_string.h
index 3c5d4a2f013..910ff6361ed 100644
--- a/tests/test_string.h
+++ b/tests/test_string.h
@@ -244,11 +244,11 @@ TEST_CASE("[String] Testing size and length of string") {
 }
 
 TEST_CASE("[String] Testing for empty string") {
-	CHECK(!String("Mellon").empty());
+	CHECK(!String("Mellon").is_empty());
 	// do this more than once, to check for string corruption
-	CHECK(String("").empty());
-	CHECK(String("").empty());
-	CHECK(String("").empty());
+	CHECK(String("").is_empty());
+	CHECK(String("").is_empty());
+	CHECK(String("").is_empty());
 }
 
 TEST_CASE("[String] Test chr") {
diff --git a/thirdparty/misc/triangulator.cpp b/thirdparty/misc/triangulator.cpp
index 75b2b064c4a..d6b63c66385 100644
--- a/thirdparty/misc/triangulator.cpp
+++ b/thirdparty/misc/triangulator.cpp
@@ -665,7 +665,7 @@ int TriangulatorPartition::Triangulate_OPT(TriangulatorPoly *poly, List<Triangul
 	newdiagonal.index1 = 0;
 	newdiagonal.index2 = n-1;
 	diagonals.push_back(newdiagonal);
-	while(!diagonals.empty()) {
+	while(!diagonals.is_empty()) {
 		diagonal = (diagonals.front()->get());
 		diagonals.pop_front();
 		bestvertex = dpstates[diagonal.index2][diagonal.index1].bestvertex;
@@ -712,8 +712,8 @@ void TriangulatorPartition::UpdateState(long a, long b, long w, long i, long j,
 		pairs->push_front(newdiagonal);
 		dpstates[a][b].weight = w;
 	} else {
-		if((!pairs->empty())&&(i <= pairs->front()->get().index1)) return;
-		while((!pairs->empty())&&(pairs->front()->get().index2 >= j)) pairs->pop_front();
+		if((!pairs->is_empty())&&(i <= pairs->front()->get().index1)) return;
+		while((!pairs->is_empty())&&(pairs->front()->get().index2 >= j)) pairs->pop_front();
 		pairs->push_front(newdiagonal);
 	}
 }
@@ -771,7 +771,7 @@ void TriangulatorPartition::TypeB(long i, long j, long k, PartitionVertex *verti
 		pairs = &(dpstates[j][k].pairs);
 
 		iter = pairs->front();
-		if((!pairs->empty())&&(!IsReflex(vertices[i].p,vertices[j].p,vertices[iter->get().index1].p))) {
+		if((!pairs->is_empty())&&(!IsReflex(vertices[i].p,vertices[j].p,vertices[iter->get().index1].p))) {
 			lastiter = iter;
 			while(iter!=NULL) {
 				if(!IsReflex(vertices[i].p,vertices[j].p,vertices[iter->get().index1].p)) {
@@ -906,12 +906,12 @@ int TriangulatorPartition::ConvexPartition_OPT(TriangulatorPoly *poly, List<Tria
 	newdiagonal.index1 = 0;
 	newdiagonal.index2 = n-1;
 	diagonals.push_front(newdiagonal);
-	while(!diagonals.empty()) {
+	while(!diagonals.is_empty()) {
 		diagonal = (diagonals.front()->get());
 		diagonals.pop_front();
 		if((diagonal.index2 - diagonal.index1) <=1) continue;
 		pairs = &(dpstates[diagonal.index1][diagonal.index2].pairs);
-		if(pairs->empty()) {
+		if(pairs->is_empty()) {
 			ret = 0;
 			break;
 		}
@@ -926,7 +926,7 @@ int TriangulatorPartition::ConvexPartition_OPT(TriangulatorPoly *poly, List<Tria
 				if(iter->get().index1 != iter->get().index2) {
 					pairs2 = &(dpstates[diagonal.index1][j].pairs);
 					while(1) {
-						if(pairs2->empty()) {
+						if(pairs2->is_empty()) {
 							ret = 0;
 							break;
 						}
@@ -951,7 +951,7 @@ int TriangulatorPartition::ConvexPartition_OPT(TriangulatorPoly *poly, List<Tria
 				if(iter->get().index1 != iter->get().index2) {
 					pairs2 = &(dpstates[j][diagonal.index2].pairs);
 					while(1) {
-						if(pairs2->empty()) {
+						if(pairs2->is_empty()) {
 							ret = 0;
 							break;
 						}
@@ -981,7 +981,7 @@ int TriangulatorPartition::ConvexPartition_OPT(TriangulatorPoly *poly, List<Tria
 	newdiagonal.index1 = 0;
 	newdiagonal.index2 = n-1;
 	diagonals.push_front(newdiagonal);
-	while(!diagonals.empty()) {
+	while(!diagonals.is_empty()) {
 		diagonal = (diagonals.front())->get();
 		diagonals.pop_front();
 		if((diagonal.index2 - diagonal.index1) <= 1) continue;
@@ -992,7 +992,7 @@ int TriangulatorPartition::ConvexPartition_OPT(TriangulatorPoly *poly, List<Tria
 		indices.push_back(diagonal.index2);
 		diagonals2.push_front(diagonal);
 
-		while(!diagonals2.empty()) {
+		while(!diagonals2.is_empty()) {
 			diagonal = (diagonals2.front()->get());
 			diagonals2.pop_front();
 			if((diagonal.index2 - diagonal.index1) <= 1) continue;