diff --git a/scene/resources/2d/tile_set.cpp b/scene/resources/2d/tile_set.cpp
index 5ac7f127b01..d09723d7652 100644
--- a/scene/resources/2d/tile_set.cpp
+++ b/scene/resources/2d/tile_set.cpp
@@ -4981,7 +4981,7 @@ void TileSetAtlasSource::create_tile(const Vector2i p_atlas_coords, const Vector
 	_create_coords_mapping_cache(p_atlas_coords);
 	_queue_update_padded_texture();
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 void TileSetAtlasSource::remove_tile(Vector2i p_atlas_coords) {
@@ -5002,7 +5002,7 @@ void TileSetAtlasSource::remove_tile(Vector2i p_atlas_coords) {
 
 	_queue_update_padded_texture();
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 bool TileSetAtlasSource::has_tile(Vector2i p_atlas_coords) const {
@@ -5032,7 +5032,7 @@ void TileSetAtlasSource::set_tile_animation_columns(const Vector2i p_atlas_coord
 	_create_coords_mapping_cache(p_atlas_coords);
 	_queue_update_padded_texture();
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 int TileSetAtlasSource::get_tile_animation_columns(const Vector2i p_atlas_coords) const {
@@ -5055,7 +5055,7 @@ void TileSetAtlasSource::set_tile_animation_separation(const Vector2i p_atlas_co
 	_create_coords_mapping_cache(p_atlas_coords);
 	_queue_update_padded_texture();
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 Vector2i TileSetAtlasSource::get_tile_animation_separation(const Vector2i p_atlas_coords) const {
@@ -5069,7 +5069,7 @@ void TileSetAtlasSource::set_tile_animation_speed(const Vector2i p_atlas_coords,
 
 	tiles[p_atlas_coords].animation_speed = p_speed;
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 real_t TileSetAtlasSource::get_tile_animation_speed(const Vector2i p_atlas_coords) const {
@@ -5082,7 +5082,7 @@ void TileSetAtlasSource::set_tile_animation_mode(const Vector2i p_atlas_coords,
 
 	tiles[p_atlas_coords].animation_mode = p_mode;
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 TileSetAtlasSource::TileAnimationMode TileSetAtlasSource::get_tile_animation_mode(const Vector2i p_atlas_coords) const {
@@ -5116,7 +5116,7 @@ void TileSetAtlasSource::set_tile_animation_frames_count(const Vector2i p_atlas_
 
 	notify_property_list_changed();
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 int TileSetAtlasSource::get_tile_animation_frames_count(const Vector2i p_atlas_coords) const {
@@ -5131,7 +5131,7 @@ void TileSetAtlasSource::set_tile_animation_frame_duration(const Vector2i p_atla
 
 	tiles[p_atlas_coords].animation_frames_durations[p_frame_index] = p_duration;
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 real_t TileSetAtlasSource::get_tile_animation_frame_duration(const Vector2i p_atlas_coords, int p_frame_index) const {
@@ -5341,7 +5341,7 @@ void TileSetAtlasSource::move_tile_in_atlas(Vector2i p_atlas_coords, Vector2i p_
 	_create_coords_mapping_cache(new_atlas_coords);
 	_queue_update_padded_texture();
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 int TileSetAtlasSource::create_alternative_tile(const Vector2i p_atlas_coords, int p_alternative_id_override) {
@@ -5359,7 +5359,7 @@ int TileSetAtlasSource::create_alternative_tile(const Vector2i p_atlas_coords, i
 	tiles[p_atlas_coords].alternatives_ids.sort();
 	_compute_next_alternative_id(p_atlas_coords);
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 
 	return new_alternative_id;
 }
@@ -5375,7 +5375,7 @@ void TileSetAtlasSource::remove_alternative_tile(const Vector2i p_atlas_coords,
 	tiles[p_atlas_coords].alternatives_ids.erase(p_alternative_tile);
 	tiles[p_atlas_coords].alternatives_ids.sort();
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 void TileSetAtlasSource::set_alternative_tile_id(const Vector2i p_atlas_coords, int p_alternative_tile, int p_new_id) {
@@ -5393,7 +5393,7 @@ void TileSetAtlasSource::set_alternative_tile_id(const Vector2i p_atlas_coords,
 	tiles[p_atlas_coords].alternatives_ids.erase(p_alternative_tile);
 	tiles[p_atlas_coords].alternatives_ids.sort();
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 bool TileSetAtlasSource::has_alternative_tile(const Vector2i p_atlas_coords, int p_alternative_tile) const {
@@ -5427,6 +5427,12 @@ TileData *TileSetAtlasSource::get_tile_data(const Vector2i p_atlas_coords, int p
 	return tiles[p_atlas_coords].alternatives[p_alternative_tile];
 }
 
+void TileSetAtlasSource::_notification(int p_notification) {
+	if (p_notification == NOTIFICATION_POSTINITIALIZE) {
+		initializing = false;
+	}
+}
+
 void TileSetAtlasSource::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_texture", "texture"), &TileSetAtlasSource::set_texture);
 	ClassDB::bind_method(D_METHOD("get_texture"), &TileSetAtlasSource::get_texture);
@@ -5569,6 +5575,9 @@ void TileSetAtlasSource::_create_coords_mapping_cache(Vector2i p_atlas_coords) {
 }
 
 void TileSetAtlasSource::_queue_update_padded_texture() {
+	if (padded_texture_needs_update) {
+		return;
+	}
 	padded_texture_needs_update = true;
 	callable_mp(this, &TileSetAtlasSource::_update_padded_texture).call_deferred();
 }
@@ -5677,6 +5686,12 @@ void TileSetAtlasSource::_update_padded_texture() {
 	emit_changed();
 }
 
+void TileSetAtlasSource::_try_emit_changed() {
+	if (!initializing) {
+		emit_changed();
+	}
+}
+
 /////////////////////////////// TileSetScenesCollectionSource //////////////////////////////////////
 
 void TileSetScenesCollectionSource::_compute_next_alternative_id() {
@@ -5685,6 +5700,12 @@ void TileSetScenesCollectionSource::_compute_next_alternative_id() {
 	};
 }
 
+void TileSetScenesCollectionSource::_try_emit_changed() {
+	if (!initializing) {
+		emit_changed();
+	}
+}
+
 int TileSetScenesCollectionSource::get_tiles_count() const {
 	return 1;
 }
@@ -5725,7 +5746,7 @@ int TileSetScenesCollectionSource::create_scene_tile(Ref<PackedScene> p_packed_s
 	set_scene_tile_scene(new_scene_id, p_packed_scene);
 	_compute_next_alternative_id();
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 
 	return new_scene_id;
 }
@@ -5745,7 +5766,7 @@ void TileSetScenesCollectionSource::set_scene_tile_id(int p_id, int p_new_id) {
 	scenes.erase(p_id);
 	scenes_ids.erase(p_id);
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 void TileSetScenesCollectionSource::set_scene_tile_scene(int p_id, Ref<PackedScene> p_packed_scene) {
@@ -5769,7 +5790,7 @@ void TileSetScenesCollectionSource::set_scene_tile_scene(int p_id, Ref<PackedSce
 	} else {
 		scenes[p_id].scene = Ref<PackedScene>();
 	}
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 Ref<PackedScene> TileSetScenesCollectionSource::get_scene_tile_scene(int p_id) const {
@@ -5782,7 +5803,7 @@ void TileSetScenesCollectionSource::set_scene_tile_display_placeholder(int p_id,
 
 	scenes[p_id].display_placeholder = p_display_placeholder;
 
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 bool TileSetScenesCollectionSource::get_scene_tile_display_placeholder(int p_id) const {
@@ -5795,7 +5816,7 @@ void TileSetScenesCollectionSource::remove_scene_tile(int p_id) {
 
 	scenes.erase(p_id);
 	scenes_ids.erase(p_id);
-	emit_signal(SNAME("changed"));
+	_try_emit_changed();
 }
 
 int TileSetScenesCollectionSource::get_next_scene_tile_id() const {
@@ -5854,6 +5875,12 @@ void TileSetScenesCollectionSource::_get_property_list(List<PropertyInfo> *p_lis
 	}
 }
 
+void TileSetScenesCollectionSource::_notification(int p_notification) {
+	if (p_notification == NOTIFICATION_POSTINITIALIZE) {
+		initializing = false;
+	}
+}
+
 void TileSetScenesCollectionSource::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_scene_tiles_count"), &TileSetScenesCollectionSource::get_scene_tiles_count);
 	ClassDB::bind_method(D_METHOD("get_scene_tile_id", "index"), &TileSetScenesCollectionSource::get_scene_tile_id);
diff --git a/scene/resources/2d/tile_set.h b/scene/resources/2d/tile_set.h
index c17241a436e..f1a8d42b95a 100644
--- a/scene/resources/2d/tile_set.h
+++ b/scene/resources/2d/tile_set.h
@@ -637,6 +637,8 @@ private:
 		int next_alternative_id = 1;
 	};
 
+	bool initializing = true;
+
 	Ref<Texture2D> texture;
 	Vector2i margins;
 	Vector2i separation;
@@ -660,12 +662,14 @@ private:
 	void _queue_update_padded_texture();
 	Ref<ImageTexture> _create_padded_image_texture(const Ref<Texture2D> &p_source);
 	void _update_padded_texture();
+	void _try_emit_changed();
 
 protected:
 	bool _set(const StringName &p_name, const Variant &p_value);
 	bool _get(const StringName &p_name, Variant &r_ret) const;
 	void _get_property_list(List<PropertyInfo> *p_list) const;
 
+	void _notification(int p_notification);
 	static void _bind_methods();
 
 public:
@@ -779,13 +783,17 @@ private:
 	HashMap<int, SceneData> scenes;
 	int next_scene_id = 1;
 
+	bool initializing = true;
+
 	void _compute_next_alternative_id();
+	void _try_emit_changed();
 
 protected:
 	bool _set(const StringName &p_name, const Variant &p_value);
 	bool _get(const StringName &p_name, Variant &r_ret) const;
 	void _get_property_list(List<PropertyInfo> *p_list) const;
 
+	void _notification(int p_notification);
 	static void _bind_methods();
 
 public: