Use C++ iterators for Lists in many situations

26 files changed, 501 insertions, 532 deletions

diff --git a/editor/plugins/animation_blend_space_1d_editor.cpp b/editor/plugins/animation_blend_space_1d_editor.cpp
index 9e58332e41..ab11680e2f 100644
--- a/editor/plugins/animation_blend_space_1d_editor.cpp
+++ b/editor/plugins/animation_blend_space_1d_editor.cpp
@@ -72,22 +72,22 @@ void AnimationNodeBlendSpace1DEditor::_blend_space_gui_input(const Ref<InputEven
 				List<StringName> names;
 				ap->get_animation_list(&names);
 
-				for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-					animations_menu->add_icon_item(get_theme_icon(SNAME("Animation"), SNAME("EditorIcons")), E->get());
-					animations_to_add.push_back(E->get());
+				for (StringName &E : names) {
+					animations_menu->add_icon_item(get_theme_icon(SNAME("Animation"), SNAME("EditorIcons")), E);
+					animations_to_add.push_back(E);
 				}
 			}
 		}
 
-		for (List<StringName>::Element *E = classes.front(); E; E = E->next()) {
-			String name = String(E->get()).replace_first("AnimationNode", "");
+		for (StringName &E : classes) {
+			String name = String(E).replace_first("AnimationNode", "");
 			if (name == "Animation") {
 				continue;
 			}
 
 			int idx = menu->get_item_count();
 			menu->add_item(vformat("Add %s", name), idx);
-			menu->set_item_metadata(idx, E->get());
+			menu->set_item_metadata(idx, E);
 		}
 
 		Ref<AnimationNode> clipb = EditorSettings::get_singleton()->get_resource_clipboard();
@@ -373,8 +373,8 @@ void AnimationNodeBlendSpace1DEditor::_add_menu_type(int p_index) {
 		open_file->clear_filters();
 		List<String> filters;
 		ResourceLoader::get_recognized_extensions_for_type("AnimationRootNode", &filters);
-		for (List<String>::Element *E = filters.front(); E; E = E->next()) {
-			open_file->add_filter("*." + E->get());
+		for (String &E : filters) {
+			open_file->add_filter("*." + E);
 		}
 		open_file->popup_file_dialog();
 		return;
diff --git a/editor/plugins/animation_blend_space_2d_editor.cpp b/editor/plugins/animation_blend_space_2d_editor.cpp
index bbf88bbd8f..3fb90eb4ff 100644
--- a/editor/plugins/animation_blend_space_2d_editor.cpp
+++ b/editor/plugins/animation_blend_space_2d_editor.cpp
@@ -96,21 +96,21 @@ void AnimationNodeBlendSpace2DEditor::_blend_space_gui_input(const Ref<InputEven
 			if (ap) {
 				List<StringName> names;
 				ap->get_animation_list(&names);
-				for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-					animations_menu->add_icon_item(get_theme_icon(SNAME("Animation"), SNAME("EditorIcons")), E->get());
-					animations_to_add.push_back(E->get());
+				for (StringName &E : names) {
+					animations_menu->add_icon_item(get_theme_icon(SNAME("Animation"), SNAME("EditorIcons")), E);
+					animations_to_add.push_back(E);
 				}
 			}
 		}
 
-		for (List<StringName>::Element *E = classes.front(); E; E = E->next()) {
-			String name = String(E->get()).replace_first("AnimationNode", "");
+		for (StringName &E : classes) {
+			String name = String(E).replace_first("AnimationNode", "");
 			if (name == "Animation") {
 				continue; // nope
 			}
 			int idx = menu->get_item_count();
 			menu->add_item(vformat("Add %s", name), idx);
-			menu->set_item_metadata(idx, E->get());
+			menu->set_item_metadata(idx, E);
 		}
 
 		Ref<AnimationNode> clipb = EditorSettings::get_singleton()->get_resource_clipboard();
@@ -295,8 +295,8 @@ void AnimationNodeBlendSpace2DEditor::_add_menu_type(int p_index) {
 		open_file->clear_filters();
 		List<String> filters;
 		ResourceLoader::get_recognized_extensions_for_type("AnimationRootNode", &filters);
-		for (List<String>::Element *E = filters.front(); E; E = E->next()) {
-			open_file->add_filter("*." + E->get());
+		for (String &E : filters) {
+			open_file->add_filter("*." + E);
 		}
 		open_file->popup_file_dialog();
 		return;
diff --git a/editor/plugins/animation_blend_tree_editor_plugin.cpp b/editor/plugins/animation_blend_tree_editor_plugin.cpp
index 7930bc1e1c..705a1d0fc0 100644
--- a/editor/plugins/animation_blend_tree_editor_plugin.cpp
+++ b/editor/plugins/animation_blend_tree_editor_plugin.cpp
@@ -121,21 +121,21 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 	List<StringName> nodes;
 	blend_tree->get_node_list(&nodes);
 
-	for (List<StringName>::Element *E = nodes.front(); E; E = E->next()) {
+	for (StringName &E : nodes) {
 		GraphNode *node = memnew(GraphNode);
 		graph->add_child(node);
 
-		Ref<AnimationNode> agnode = blend_tree->get_node(E->get());
+		Ref<AnimationNode> agnode = blend_tree->get_node(E);
 
-		node->set_position_offset(blend_tree->get_node_position(E->get()) * EDSCALE);
+		node->set_position_offset(blend_tree->get_node_position(E) * EDSCALE);
 
 		node->set_title(agnode->get_caption());
-		node->set_name(E->get());
+		node->set_name(E);
 
 		int base = 0;
-		if (String(E->get()) != "output") {
+		if (String(E) != "output") {
 			LineEdit *name = memnew(LineEdit);
-			name->set_text(E->get());
+			name->set_text(E);
 			name->set_expand_to_text_length_enabled(true);
 			node->add_child(name);
 			node->set_slot(0, false, 0, Color(), true, 0, get_theme_color(SNAME("font_color"), SNAME("Label")));
@@ -143,7 +143,7 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 			name->connect("focus_exited", callable_mp(this, &AnimationNodeBlendTreeEditor::_node_renamed_focus_out), varray(name, agnode), CONNECT_DEFERRED);
 			base = 1;
 			node->set_show_close_button(true);
-			node->connect("close_request", callable_mp(this, &AnimationNodeBlendTreeEditor::_delete_request), varray(E->get()), CONNECT_DEFERRED);
+			node->connect("close_request", callable_mp(this, &AnimationNodeBlendTreeEditor::_delete_request), varray(E), CONNECT_DEFERRED);
 		}
 
 		for (int i = 0; i < agnode->get_input_count(); i++) {
@@ -155,12 +155,12 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 
 		List<PropertyInfo> pinfo;
 		agnode->get_parameter_list(&pinfo);
-		for (List<PropertyInfo>::Element *F = pinfo.front(); F; F = F->next()) {
-			if (!(F->get().usage & PROPERTY_USAGE_EDITOR)) {
+		for (PropertyInfo &F : pinfo) {
+			if (!(F.usage & PROPERTY_USAGE_EDITOR)) {
 				continue;
 			}
-			String base_path = AnimationTreeEditor::get_singleton()->get_base_path() + String(E->get()) + "/" + F->get().name;
-			EditorProperty *prop = EditorInspector::instantiate_property_editor(AnimationTreeEditor::get_singleton()->get_tree(), F->get().type, base_path, F->get().hint, F->get().hint_string, F->get().usage);
+			String base_path = AnimationTreeEditor::get_singleton()->get_base_path() + String(E) + "/" + F.name;
+			EditorProperty *prop = EditorInspector::instantiate_property_editor(AnimationTreeEditor::get_singleton()->get_tree(), F.type, base_path, F.hint, F.hint_string, F.usage);
 			if (prop) {
 				prop->set_object_and_property(AnimationTreeEditor::get_singleton()->get_tree(), base_path);
 				prop->update_property();
@@ -171,7 +171,7 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 			}
 		}
 
-		node->connect("dragged", callable_mp(this, &AnimationNodeBlendTreeEditor::_node_dragged), varray(E->get()));
+		node->connect("dragged", callable_mp(this, &AnimationNodeBlendTreeEditor::_node_dragged), varray(E));
 
 		if (AnimationTreeEditor::get_singleton()->can_edit(agnode)) {
 			node->add_child(memnew(HSeparator));
@@ -179,7 +179,7 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 			open_in_editor->set_text(TTR("Open Editor"));
 			open_in_editor->set_icon(get_theme_icon(SNAME("Edit"), SNAME("EditorIcons")));
 			node->add_child(open_in_editor);
-			open_in_editor->connect("pressed", callable_mp(this, &AnimationNodeBlendTreeEditor::_open_in_editor), varray(E->get()), CONNECT_DEFERRED);
+			open_in_editor->connect("pressed", callable_mp(this, &AnimationNodeBlendTreeEditor::_open_in_editor), varray(E), CONNECT_DEFERRED);
 			open_in_editor->set_h_size_flags(SIZE_SHRINK_CENTER);
 		}
 
@@ -189,7 +189,7 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 			edit_filters->set_text(TTR("Edit Filters"));
 			edit_filters->set_icon(get_theme_icon(SNAME("AnimationFilter"), SNAME("EditorIcons")));
 			node->add_child(edit_filters);
-			edit_filters->connect("pressed", callable_mp(this, &AnimationNodeBlendTreeEditor::_edit_filters), varray(E->get()), CONNECT_DEFERRED);
+			edit_filters->connect("pressed", callable_mp(this, &AnimationNodeBlendTreeEditor::_edit_filters), varray(E), CONNECT_DEFERRED);
 			edit_filters->set_h_size_flags(SIZE_SHRINK_CENTER);
 		}
 
@@ -212,9 +212,9 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 					List<StringName> anims;
 					ap->get_animation_list(&anims);
 
-					for (List<StringName>::Element *F = anims.front(); F; F = F->next()) {
-						mb->get_popup()->add_item(F->get());
-						options.push_back(F->get());
+					for (StringName &F : anims) {
+						mb->get_popup()->add_item(F);
+						options.push_back(F);
 					}
 
 					if (ap->has_animation(anim->get_animation())) {
@@ -225,10 +225,10 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 
 			pb->set_percent_visible(false);
 			pb->set_custom_minimum_size(Vector2(0, 14) * EDSCALE);
-			animations[E->get()] = pb;
+			animations[E] = pb;
 			node->add_child(pb);
 
-			mb->get_popup()->connect("index_pressed", callable_mp(this, &AnimationNodeBlendTreeEditor::_anim_selected), varray(options, E->get()), CONNECT_DEFERRED);
+			mb->get_popup()->connect("index_pressed", callable_mp(this, &AnimationNodeBlendTreeEditor::_anim_selected), varray(options, E), CONNECT_DEFERRED);
 		}
 
 		Ref<StyleBoxFlat> sb = node->get_theme_stylebox(SNAME("frame"), SNAME("GraphNode"));
@@ -246,10 +246,10 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 	List<AnimationNodeBlendTree::NodeConnection> connections;
 	blend_tree->get_node_connections(&connections);
 
-	for (List<AnimationNodeBlendTree::NodeConnection>::Element *E = connections.front(); E; E = E->next()) {
-		StringName from = E->get().output_node;
-		StringName to = E->get().input_node;
-		int to_idx = E->get().input_index;
+	for (AnimationNodeBlendTree::NodeConnection &E : connections) {
+		StringName from = E.output_node;
+		StringName to = E.input_node;
+		int to_idx = E.input_index;
 
 		graph->connect_node(from, 0, to, to_idx);
 	}
@@ -274,8 +274,8 @@ void AnimationNodeBlendTreeEditor::_add_node(int p_idx) {
 		open_file->clear_filters();
 		List<String> filters;
 		ResourceLoader::get_recognized_extensions_for_type("AnimationNode", &filters);
-		for (List<String>::Element *E = filters.front(); E; E = E->next()) {
-			open_file->add_filter("*." + E->get());
+		for (String &E : filters) {
+			open_file->add_filter("*." + E);
 		}
 		open_file->popup_file_dialog();
 		return;
@@ -394,9 +394,9 @@ void AnimationNodeBlendTreeEditor::_delete_request(const String &p_which) {
 	List<AnimationNodeBlendTree::NodeConnection> conns;
 	blend_tree->get_node_connections(&conns);
 
-	for (List<AnimationNodeBlendTree::NodeConnection>::Element *E = conns.front(); E; E = E->next()) {
-		if (E->get().output_node == p_which || E->get().input_node == p_which) {
-			undo_redo->add_undo_method(blend_tree.ptr(), "connect_node", E->get().input_node, E->get().input_index, E->get().output_node);
+	for (AnimationNodeBlendTree::NodeConnection &E : conns) {
+		if (E.output_node == p_which || E.input_node == p_which) {
+			undo_redo->add_undo_method(blend_tree.ptr(), "connect_node", E.input_node, E.input_index, E.output_node);
 		}
 	}
 
@@ -423,8 +423,8 @@ void AnimationNodeBlendTreeEditor::_delete_nodes_request() {
 
 	undo_redo->create_action(TTR("Delete Node(s)"));
 
-	for (List<StringName>::Element *F = to_erase.front(); F; F = F->next()) {
-		_delete_request(F->get());
+	for (StringName &F : to_erase) {
+		_delete_request(F);
 	}
 
 	undo_redo->commit_action();
@@ -517,8 +517,8 @@ bool AnimationNodeBlendTreeEditor::_update_filters(const Ref<AnimationNode> &ano
 		List<StringName> animations;
 		player->get_animation_list(&animations);
 
-		for (List<StringName>::Element *E = animations.front(); E; E = E->next()) {
-			Ref<Animation> anim = player->get_animation(E->get());
+		for (StringName &E : animations) {
+			Ref<Animation> anim = player->get_animation(E);
 			for (int i = 0; i < anim->get_track_count(); i++) {
 				String track_path = anim->track_get_path(i);
 				paths.insert(track_path);
@@ -718,13 +718,13 @@ void AnimationNodeBlendTreeEditor::_notification(int p_what) {
 
 		List<AnimationNodeBlendTree::NodeConnection> conns;
 		blend_tree->get_node_connections(&conns);
-		for (List<AnimationNodeBlendTree::NodeConnection>::Element *E = conns.front(); E; E = E->next()) {
+		for (AnimationNodeBlendTree::NodeConnection &E : conns) {
 			float activity = 0;
-			StringName path = AnimationTreeEditor::get_singleton()->get_base_path() + E->get().input_node;
+			StringName path = AnimationTreeEditor::get_singleton()->get_base_path() + E.input_node;
 			if (AnimationTreeEditor::get_singleton()->get_tree() && !AnimationTreeEditor::get_singleton()->get_tree()->is_state_invalid()) {
-				activity = AnimationTreeEditor::get_singleton()->get_tree()->get_connection_activity(path, E->get().input_index);
+				activity = AnimationTreeEditor::get_singleton()->get_tree()->get_connection_activity(path, E.input_index);
 			}
-			graph->set_connection_activity(E->get().output_node, 0, E->get().input_node, E->get().input_index, activity);
+			graph->set_connection_activity(E.output_node, 0, E.input_node, E.input_index, activity);
 		}
 
 		AnimationTree *graph_player = AnimationTreeEditor::get_singleton()->get_tree();
@@ -741,7 +741,7 @@ void AnimationNodeBlendTreeEditor::_notification(int p_what) {
 						Ref<Animation> anim = player->get_animation(an->get_animation());
 						if (anim.is_valid()) {
 							E->get()->set_max(anim->get_length());
-							//StringName path = AnimationTreeEditor::get_singleton()->get_base_path() + E->get().input_node;
+							//StringName path = AnimationTreeEditor::get_singleton()->get_base_path() + E.input_node;
 							StringName time_path = AnimationTreeEditor::get_singleton()->get_base_path() + String(E->key()) + "/time";
 							E->get()->set_value(AnimationTreeEditor::get_singleton()->get_tree()->get(time_path));
 						}
@@ -828,10 +828,10 @@ void AnimationNodeBlendTreeEditor::_node_renamed(const String &p_text, Ref<Anima
 	List<AnimationNodeBlendTree::NodeConnection> connections;
 	blend_tree->get_node_connections(&connections);
 
-	for (List<AnimationNodeBlendTree::NodeConnection>::Element *E = connections.front(); E; E = E->next()) {
-		StringName from = E->get().output_node;
-		StringName to = E->get().input_node;
-		int to_idx = E->get().input_index;
+	for (AnimationNodeBlendTree::NodeConnection &E : connections) {
+		StringName from = E.output_node;
+		StringName to = E.input_node;
+		int to_idx = E.input_index;
 
 		graph->connect_node(from, 0, to, to_idx);
 	}
diff --git a/editor/plugins/animation_player_editor_plugin.cpp b/editor/plugins/animation_player_editor_plugin.cpp
index cbce5bb3f5..1bdbc2980c 100644
--- a/editor/plugins/animation_player_editor_plugin.cpp
+++ b/editor/plugins/animation_player_editor_plugin.cpp
@@ -350,8 +350,8 @@ void AnimationPlayerEditor::_animation_load() {
 	List<String> extensions;
 
 	ResourceLoader::get_recognized_extensions_for_type("Animation", &extensions);
-	for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
-		file->add_filter("*." + E->get() + " ; " + E->get().to_upper());
+	for (String &E : extensions) {
+		file->add_filter("*." + E + " ; " + E.to_upper());
 	}
 
 	file->popup_file_dialog();
@@ -584,8 +584,7 @@ void AnimationPlayerEditor::_animation_blend() {
 	blend_editor.next->clear();
 	blend_editor.next->add_item("", i);
 
-	for (List<StringName>::Element *E = anims.front(); E; E = E->next()) {
-		String to = E->get();
+	for (StringName &to : anims) {
 		TreeItem *blend = blend_editor.tree->create_item(root);
 		blend->set_editable(0, false);
 		blend->set_editable(1, true);
@@ -830,20 +829,20 @@ void AnimationPlayerEditor::_update_player() {
 	}
 
 	int active_idx = -1;
-	for (List<StringName>::Element *E = animlist.front(); E; E = E->next()) {
+	for (StringName &E : animlist) {
 		Ref<Texture2D> icon;
-		if (E->get() == player->get_autoplay()) {
-			if (E->get() == "RESET") {
+		if (E == player->get_autoplay()) {
+			if (E == "RESET") {
 				icon = autoplay_reset_icon;
 			} else {
 				icon = autoplay_icon;
 			}
-		} else if (E->get() == "RESET") {
+		} else if (E == "RESET") {
 			icon = reset_icon;
 		}
-		animation->add_icon_item(icon, E->get());
+		animation->add_icon_item(icon, E);
 
-		if (player->get_assigned_animation() == E->get()) {
+		if (player->get_assigned_animation() == E) {
 			active_idx = animation->get_item_count() - 1;
 		}
 	}
@@ -966,9 +965,9 @@ void AnimationPlayerEditor::_animation_duplicate() {
 	Ref<Animation> new_anim = memnew(Animation);
 	List<PropertyInfo> plist;
 	anim->get_property_list(&plist);
-	for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-		if (E->get().usage & PROPERTY_USAGE_STORAGE) {
-			new_anim->set(E->get().name, anim->get(E->get().name));
+	for (PropertyInfo &E : plist) {
+		if (E.usage & PROPERTY_USAGE_STORAGE) {
+			new_anim->set(E.name, anim->get(E.name));
 		}
 	}
 	new_anim->set_path("");
diff --git a/editor/plugins/animation_state_machine_editor.cpp b/editor/plugins/animation_state_machine_editor.cpp
index 8abe20c3c9..bee6af3cbb 100644
--- a/editor/plugins/animation_state_machine_editor.cpp
+++ b/editor/plugins/animation_state_machine_editor.cpp
@@ -93,21 +93,21 @@ void AnimationNodeStateMachineEditor::_state_machine_gui_input(const Ref<InputEv
 			if (ap) {
 				List<StringName> names;
 				ap->get_animation_list(&names);
-				for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-					animations_menu->add_icon_item(get_theme_icon(SNAME("Animation"), SNAME("EditorIcons")), E->get());
-					animations_to_add.push_back(E->get());
+				for (StringName &E : names) {
+					animations_menu->add_icon_item(get_theme_icon(SNAME("Animation"), SNAME("EditorIcons")), E);
+					animations_to_add.push_back(E);
 				}
 			}
 		}
 
-		for (List<StringName>::Element *E = classes.front(); E; E = E->next()) {
-			String name = String(E->get()).replace_first("AnimationNode", "");
+		for (StringName &E : classes) {
+			String name = String(E).replace_first("AnimationNode", "");
 			if (name == "Animation") {
 				continue; // nope
 			}
 			int idx = menu->get_item_count();
 			menu->add_item(vformat("Add %s", name), idx);
-			menu->set_item_metadata(idx, E->get());
+			menu->set_item_metadata(idx, E);
 		}
 		Ref<AnimationNode> clipb = EditorSettings::get_singleton()->get_resource_clipboard();
 
@@ -318,24 +318,24 @@ void AnimationNodeStateMachineEditor::_state_machine_gui_input(const Ref<InputEv
 			float best_d_x = 1e20;
 			float best_d_y = 1e20;
 
-			for (List<StringName>::Element *E = nodes.front(); E; E = E->next()) {
-				if (E->get() == selected_node) {
+			for (StringName &E : nodes) {
+				if (E == selected_node) {
 					continue;
 				}
-				Vector2 npos = state_machine->get_node_position(E->get());
+				Vector2 npos = state_machine->get_node_position(E);
 
 				float d_x = ABS(npos.x - cpos.x);
 				if (d_x < MIN(5, best_d_x)) {
 					drag_ofs.x -= cpos.x - npos.x;
 					best_d_x = d_x;
-					snap_x = E->get();
+					snap_x = E;
 				}
 
 				float d_y = ABS(npos.y - cpos.y);
 				if (d_y < MIN(5, best_d_y)) {
 					drag_ofs.y -= cpos.y - npos.y;
 					best_d_y = d_y;
-					snap_y = E->get();
+					snap_y = E;
 				}
 			}
 		}
@@ -409,8 +409,8 @@ void AnimationNodeStateMachineEditor::_add_menu_type(int p_index) {
 		open_file->clear_filters();
 		List<String> filters;
 		ResourceLoader::get_recognized_extensions_for_type("AnimationRootNode", &filters);
-		for (List<String>::Element *E = filters.front(); E; E = E->next()) {
-			open_file->add_filter("*." + E->get());
+		for (String &E : filters) {
+			open_file->add_filter("*." + E);
 		}
 		open_file->popup_file_dialog();
 		return;
@@ -606,11 +606,11 @@ void AnimationNodeStateMachineEditor::_state_machine_draw() {
 	}
 
 	//pre pass nodes so we know the rectangles
-	for (List<StringName>::Element *E = nodes.front(); E; E = E->next()) {
-		Ref<AnimationNode> anode = state_machine->get_node(E->get());
-		String name = E->get();
+	for (StringName &E : nodes) {
+		Ref<AnimationNode> anode = state_machine->get_node(E);
+		String name = E;
 		bool needs_editor = EditorNode::get_singleton()->item_has_editor(anode.ptr());
-		Ref<StyleBox> sb = E->get() == selected_node ? style_selected : style;
+		Ref<StyleBox> sb = E == selected_node ? style_selected : style;
 
 		Size2 s = sb->get_minimum_size();
 		int strsize = font->get_string_size(name, font_size).width;
@@ -622,8 +622,8 @@ void AnimationNodeStateMachineEditor::_state_machine_draw() {
 		}
 
 		Vector2 offset;
-		offset += state_machine->get_node_position(E->get()) * EDSCALE;
-		if (selected_node == E->get() && dragging_selected) {
+		offset += state_machine->get_node_position(E) * EDSCALE;
+		if (selected_node == E && dragging_selected) {
 			offset += drag_ofs;
 		}
 		offset -= s / 2;
@@ -633,7 +633,7 @@ void AnimationNodeStateMachineEditor::_state_machine_draw() {
 
 		NodeRect nr;
 		nr.node = Rect2(offset, s);
-		nr.node_name = E->get();
+		nr.node_name = E;
 
 		scroll_range = scroll_range.merge(nr.node); //merge with range
 
diff --git a/editor/plugins/animation_tree_editor_plugin.cpp b/editor/plugins/animation_tree_editor_plugin.cpp
index 9c28e023dd..67d5600a3c 100644
--- a/editor/plugins/animation_tree_editor_plugin.cpp
+++ b/editor/plugins/animation_tree_editor_plugin.cpp
@@ -215,8 +215,8 @@ Vector<String> AnimationTreeEditor::get_animation_list() {
 	List<StringName> anims;
 	ap->get_animation_list(&anims);
 	Vector<String> ret;
-	for (List<StringName>::Element *E = anims.front(); E; E = E->next()) {
-		ret.push_back(E->get());
+	for (StringName &E : anims) {
+		ret.push_back(E);
 	}
 
 	return ret;
diff --git a/editor/plugins/asset_library_editor_plugin.cpp b/editor/plugins/asset_library_editor_plugin.cpp
index 556f35d4b0..785bab42cf 100644
--- a/editor/plugins/asset_library_editor_plugin.cpp
+++ b/editor/plugins/asset_library_editor_plugin.cpp
@@ -607,7 +607,7 @@ void EditorAssetLibrary::_update_repository_options() {
 	Dictionary available_urls = _EDITOR_DEF("asset_library/available_urls", default_urls, true);
 	repository->clear();
 	Array keys = available_urls.keys();
-	for (int i = 0; i < available_urls.size(); i++) {
+	for (int i = 0; i < keys.size(); i++) {
 		String key = keys[i];
 		repository->add_item(key);
 		repository->set_item_metadata(i, available_urls[key]);
diff --git a/editor/plugins/canvas_item_editor_plugin.cpp b/editor/plugins/canvas_item_editor_plugin.cpp
index d5ef13e426..6bdb9eceb8 100644
--- a/editor/plugins/canvas_item_editor_plugin.cpp
+++ b/editor/plugins/canvas_item_editor_plugin.cpp
@@ -301,8 +301,8 @@ void CanvasItemEditor::_snap_other_nodes(
 
 	// Check if the element is in the exception
 	bool exception = false;
-	for (List<const CanvasItem *>::Element *E = p_exceptions.front(); E; E = E->next()) {
-		if (E->get() == p_current) {
+	for (const CanvasItem *&E : p_exceptions) {
+		if (E == p_current) {
 			exception = true;
 			break;
 		}
@@ -399,8 +399,8 @@ Point2 CanvasItemEditor::snap_point(Point2 p_target, unsigned int p_modes, unsig
 	if ((is_snap_active && snap_other_nodes && (p_modes & SNAP_OTHER_NODES)) || (p_forced_modes & SNAP_OTHER_NODES)) {
 		Transform2D to_snap_transform = Transform2D();
 		List<const CanvasItem *> exceptions = List<const CanvasItem *>();
-		for (List<CanvasItem *>::Element *E = p_other_nodes_exceptions.front(); E; E = E->next()) {
-			exceptions.push_back(E->get());
+		for (CanvasItem *E : p_other_nodes_exceptions) {
+			exceptions.push_back(E);
 		}
 		if (p_self_canvas_item) {
 			exceptions.push_back(p_self_canvas_item);
@@ -527,8 +527,7 @@ Rect2 CanvasItemEditor::_get_encompassing_rect_from_list(List<CanvasItem *> p_li
 	Rect2 rect = Rect2(canvas_item->get_global_transform_with_canvas().xform(canvas_item->_edit_get_rect().position + canvas_item->_edit_get_rect().size / 2), Size2());
 
 	// Expand with the other ones
-	for (List<CanvasItem *>::Element *E = p_list.front(); E; E = E->next()) {
-		CanvasItem *canvas_item2 = E->get();
+	for (CanvasItem *canvas_item2 : p_list) {
 		Transform2D xform = canvas_item2->get_global_transform_with_canvas();
 
 		Rect2 current_rect = canvas_item2->_edit_get_rect();
@@ -760,9 +759,9 @@ List<CanvasItem *> CanvasItemEditor::_get_edited_canvas_items(bool retreive_lock
 
 	if (remove_canvas_item_if_parent_in_selection) {
 		List<CanvasItem *> filtered_selection;
-		for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
-			if (!selection.find(E->get()->get_parent())) {
-				filtered_selection.push_back(E->get());
+		for (CanvasItem *E : selection) {
+			if (!selection.find(E->get_parent())) {
+				filtered_selection.push_back(E);
 			}
 		}
 		return filtered_selection;
@@ -800,8 +799,7 @@ Vector2 CanvasItemEditor::_position_to_anchor(const Control *p_control, Vector2
 }
 
 void CanvasItemEditor::_save_canvas_item_state(List<CanvasItem *> p_canvas_items, bool save_bones) {
-	for (List<CanvasItem *>::Element *E = p_canvas_items.front(); E; E = E->next()) {
-		CanvasItem *canvas_item = E->get();
+	for (CanvasItem *canvas_item : p_canvas_items) {
 		CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
 		if (se) {
 			se->undo_state = canvas_item->_edit_get_state();
@@ -816,8 +814,7 @@ void CanvasItemEditor::_save_canvas_item_state(List<CanvasItem *> p_canvas_items
 }
 
 void CanvasItemEditor::_restore_canvas_item_state(List<CanvasItem *> p_canvas_items, bool restore_bones) {
-	for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
-		CanvasItem *canvas_item = E->get();
+	for (CanvasItem *canvas_item : drag_selection) {
 		CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
 		canvas_item->_edit_set_state(se->undo_state);
 	}
@@ -825,8 +822,7 @@ void CanvasItemEditor::_restore_canvas_item_state(List<CanvasItem *> p_canvas_it
 
 void CanvasItemEditor::_commit_canvas_item_state(List<CanvasItem *> p_canvas_items, String action_name, bool commit_bones) {
 	List<CanvasItem *> modified_canvas_items;
-	for (List<CanvasItem *>::Element *E = p_canvas_items.front(); E; E = E->next()) {
-		CanvasItem *canvas_item = E->get();
+	for (CanvasItem *canvas_item : p_canvas_items) {
 		Dictionary old_state = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item)->undo_state;
 		Dictionary new_state = canvas_item->_edit_get_state();
 
@@ -840,17 +836,16 @@ void CanvasItemEditor::_commit_canvas_item_state(List<CanvasItem *> p_canvas_ite
 	}
 
 	undo_redo->create_action(action_name);
-	for (List<CanvasItem *>::Element *E = modified_canvas_items.front(); E; E = E->next()) {
-		CanvasItem *canvas_item = E->get();
+	for (CanvasItem *canvas_item : modified_canvas_items) {
 		CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
 		if (se) {
 			undo_redo->add_do_method(canvas_item, "_edit_set_state", canvas_item->_edit_get_state());
 			undo_redo->add_undo_method(canvas_item, "_edit_set_state", se->undo_state);
 			if (commit_bones) {
-				for (List<Dictionary>::Element *F = se->pre_drag_bones_undo_state.front(); F; F = F->next()) {
+				for (Dictionary &F : se->pre_drag_bones_undo_state) {
 					canvas_item = Object::cast_to<CanvasItem>(canvas_item->get_parent());
 					undo_redo->add_do_method(canvas_item, "_edit_set_state", canvas_item->_edit_get_state());
-					undo_redo->add_undo_method(canvas_item, "_edit_set_state", F->get());
+					undo_redo->add_undo_method(canvas_item, "_edit_set_state", F);
 				}
 			}
 		}
@@ -1304,8 +1299,7 @@ bool CanvasItemEditor::_gui_input_pivot(const Ref<InputEvent> &p_event) {
 
 			// Filters the selection with nodes that allow setting the pivot
 			drag_selection = List<CanvasItem *>();
-			for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = E->get();
+			for (CanvasItem *canvas_item : selection) {
 				if (canvas_item->_edit_use_pivot()) {
 					drag_selection.push_back(canvas_item);
 				}
@@ -1321,8 +1315,7 @@ bool CanvasItemEditor::_gui_input_pivot(const Ref<InputEvent> &p_event) {
 				} else {
 					new_pos = snap_point(drag_from, SNAP_OTHER_NODES | SNAP_GRID | SNAP_PIXEL, 0, nullptr, drag_selection);
 				}
-				for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
-					CanvasItem *canvas_item = E->get();
+				for (CanvasItem *canvas_item : drag_selection) {
 					canvas_item->_edit_set_pivot(canvas_item->get_global_transform_with_canvas().affine_inverse().xform(new_pos));
 				}
 
@@ -1343,8 +1336,7 @@ bool CanvasItemEditor::_gui_input_pivot(const Ref<InputEvent> &p_event) {
 			} else {
 				new_pos = snap_point(drag_to, SNAP_OTHER_NODES | SNAP_GRID | SNAP_PIXEL);
 			}
-			for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = E->get();
+			for (CanvasItem *canvas_item : drag_selection) {
 				canvas_item->_edit_set_pivot(canvas_item->get_global_transform_with_canvas().affine_inverse().xform(new_pos));
 			}
 			return true;
@@ -1387,8 +1379,8 @@ bool CanvasItemEditor::_gui_input_rotate(const Ref<InputEvent> &p_event) {
 				List<CanvasItem *> selection = _get_edited_canvas_items();
 
 				// Remove not movable nodes
-				for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
-					if (!_is_node_movable(E->get(), true)) {
+				for (CanvasItem *E : selection) {
+					if (!_is_node_movable(E, true)) {
 						selection.erase(E);
 					}
 				}
@@ -1414,8 +1406,7 @@ bool CanvasItemEditor::_gui_input_rotate(const Ref<InputEvent> &p_event) {
 		// Rotate the node
 		if (m.is_valid()) {
 			_restore_canvas_item_state(drag_selection);
-			for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = E->get();
+			for (CanvasItem *canvas_item : drag_selection) {
 				drag_to = transform.affine_inverse().xform(m->get_position());
 				//Rotate the opposite way if the canvas item's compounded scale has an uneven number of negative elements
 				bool opposite = (canvas_item->get_global_transform().get_scale().sign().dot(canvas_item->get_transform().get_scale().sign()) == 0);
@@ -2046,8 +2037,7 @@ bool CanvasItemEditor::_gui_input_move(const Ref<InputEvent> &p_event) {
 			}
 
 			int index = 0;
-			for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = E->get();
+			for (CanvasItem *canvas_item : drag_selection) {
 				Transform2D xform = canvas_item->get_global_transform_with_canvas().affine_inverse() * canvas_item->get_transform();
 
 				canvas_item->_edit_set_position(canvas_item->_edit_get_position() + xform.xform(new_pos) - xform.xform(previous_pos));
@@ -2162,8 +2152,7 @@ bool CanvasItemEditor::_gui_input_move(const Ref<InputEvent> &p_event) {
 			}
 
 			int index = 0;
-			for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = E->get();
+			for (CanvasItem *canvas_item : drag_selection) {
 				Transform2D xform = canvas_item->get_global_transform_with_canvas().affine_inverse() * canvas_item->get_transform();
 
 				canvas_item->_edit_set_position(canvas_item->_edit_get_position() + xform.xform(new_pos) - xform.xform(previous_pos));
@@ -2375,8 +2364,8 @@ bool CanvasItemEditor::_gui_input_select(const Ref<InputEvent> &p_event) {
 				if (selitems.size() == 1 && editor_selection->get_selected_node_list().is_empty()) {
 					editor->push_item(selitems[0]);
 				}
-				for (List<CanvasItem *>::Element *E = selitems.front(); E; E = E->next()) {
-					editor_selection->add_node(E->get());
+				for (CanvasItem *E : selitems) {
+					editor_selection->add_node(E);
 				}
 			}
 
@@ -3248,8 +3237,8 @@ void CanvasItemEditor::_draw_selection() {
 	List<CanvasItem *> selection = _get_edited_canvas_items(true, false);
 
 	bool single = selection.size() == 1;
-	for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
-		CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E->get());
+	for (CanvasItem *E : selection) {
+		CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E);
 		CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
 
 		bool item_locked = canvas_item->has_meta("_edit_lock_");
@@ -3566,9 +3555,9 @@ void CanvasItemEditor::_draw_hover() {
 
 		Point2 pos = transform.xform(hovering_results[i].position) - Point2(0, item_size.y) + (Point2(node_icon->get_size().x, -node_icon->get_size().y) / 4);
 		// Rectify the position to avoid overlapping items
-		for (List<Rect2>::Element *E = previous_rects.front(); E; E = E->next()) {
-			if (E->get().intersects(Rect2(pos, item_size))) {
-				pos.y = E->get().get_position().y - item_size.y;
+		for (Rect2 &E : previous_rects) {
+			if (E.intersects(Rect2(pos, item_size))) {
+				pos.y = E.get_position().y - item_size.y;
 			}
 		}
 
@@ -3642,14 +3631,14 @@ void CanvasItemEditor::_draw_viewport() {
 		all_locked = false;
 		all_group = false;
 	} else {
-		for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-			if (Object::cast_to<CanvasItem>(E->get()) && !Object::cast_to<CanvasItem>(E->get())->has_meta("_edit_lock_")) {
+		for (Node *E : selection) {
+			if (Object::cast_to<CanvasItem>(E) && !Object::cast_to<CanvasItem>(E)->has_meta("_edit_lock_")) {
 				all_locked = false;
 				break;
 			}
 		}
-		for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-			if (Object::cast_to<CanvasItem>(E->get()) && !Object::cast_to<CanvasItem>(E->get())->has_meta("_edit_group_")) {
+		for (Node *E : selection) {
+			if (Object::cast_to<CanvasItem>(E) && !Object::cast_to<CanvasItem>(E)->has_meta("_edit_group_")) {
 				all_group = false;
 				break;
 			}
@@ -3716,8 +3705,7 @@ void CanvasItemEditor::_notification(int p_what) {
 
 		// Update the viewport if the canvas_item changes
 		List<CanvasItem *> selection = _get_edited_canvas_items(true);
-		for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
-			CanvasItem *canvas_item = E->get();
+		for (CanvasItem *canvas_item : selection) {
 			CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
 
 			Rect2 rect;
@@ -3932,8 +3920,8 @@ void CanvasItemEditor::_selection_changed() {
 	int nbValidControls = 0;
 	int nbAnchorsMode = 0;
 	List<Node *> selection = editor_selection->get_selected_node_list();
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Control *control = Object::cast_to<Control>(E->get());
+	for (Node *E : selection) {
+		Control *control = Object::cast_to<Control>(E);
 		if (!control) {
 			continue;
 		}
@@ -4101,8 +4089,8 @@ void CanvasItemEditor::_set_anchors_and_offsets_preset(Control::LayoutPreset p_p
 
 	undo_redo->create_action(TTR("Change Anchors and Offsets"));
 
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Control *control = Object::cast_to<Control>(E->get());
+	for (Node *E : selection) {
+		Control *control = Object::cast_to<Control>(E);
 		if (control) {
 			undo_redo->add_do_method(control, "set_anchors_preset", p_preset);
 			switch (p_preset) {
@@ -4142,8 +4130,8 @@ void CanvasItemEditor::_set_anchors_and_offsets_to_keep_ratio() {
 
 	undo_redo->create_action(TTR("Change Anchors and Offsets"));
 
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Control *control = Object::cast_to<Control>(E->get());
+	for (Node *E : selection) {
+		Control *control = Object::cast_to<Control>(E);
 		if (control) {
 			Point2 top_left_anchor = _position_to_anchor(control, Point2());
 			Point2 bottom_right_anchor = _position_to_anchor(control, control->get_size());
@@ -4169,8 +4157,8 @@ void CanvasItemEditor::_set_anchors_preset(Control::LayoutPreset p_preset) {
 	List<Node *> selection = editor_selection->get_selected_node_list();
 
 	undo_redo->create_action(TTR("Change Anchors"));
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Control *control = Object::cast_to<Control>(E->get());
+	for (Node *E : selection) {
+		Control *control = Object::cast_to<Control>(E);
 		if (control) {
 			undo_redo->add_do_method(control, "set_anchors_preset", p_preset);
 			undo_redo->add_undo_method(control, "_edit_set_state", control->_edit_get_state());
@@ -4295,15 +4283,15 @@ void CanvasItemEditor::_insert_animation_keys(bool p_location, bool p_rotation,
 				}
 
 				if (has_chain && ik_chain.size()) {
-					for (List<Node2D *>::Element *F = ik_chain.front(); F; F = F->next()) {
+					for (Node2D *&F : ik_chain) {
 						if (key_pos) {
-							AnimationPlayerEditor::singleton->get_track_editor()->insert_node_value_key(F->get(), "position", F->get()->get_position(), p_on_existing);
+							AnimationPlayerEditor::singleton->get_track_editor()->insert_node_value_key(F, "position", F->get_position(), p_on_existing);
 						}
 						if (key_rot) {
-							AnimationPlayerEditor::singleton->get_track_editor()->insert_node_value_key(F->get(), "rotation", F->get()->get_rotation(), p_on_existing);
+							AnimationPlayerEditor::singleton->get_track_editor()->insert_node_value_key(F, "rotation", F->get_rotation(), p_on_existing);
 						}
 						if (key_scale) {
-							AnimationPlayerEditor::singleton->get_track_editor()->insert_node_value_key(F->get(), "scale", F->get()->get_scale(), p_on_existing);
+							AnimationPlayerEditor::singleton->get_track_editor()->insert_node_value_key(F, "scale", F->get_scale(), p_on_existing);
 						}
 					}
 				}
@@ -4327,8 +4315,8 @@ void CanvasItemEditor::_insert_animation_keys(bool p_location, bool p_rotation,
 
 void CanvasItemEditor::_button_toggle_anchor_mode(bool p_status) {
 	List<CanvasItem *> selection = _get_edited_canvas_items(false, false);
-	for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
-		Control *control = Object::cast_to<Control>(E->get());
+	for (CanvasItem *E : selection) {
+		Control *control = Object::cast_to<Control>(E);
 		if (!control || Object::cast_to<Container>(control->get_parent())) {
 			continue;
 		}
@@ -4441,13 +4429,13 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 		} break;
 		case SKELETON_SHOW_BONES: {
 			List<Node *> selection = editor_selection->get_selected_node_list();
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
+			for (Node *E : selection) {
 				// Add children nodes so they are processed
-				for (int child = 0; child < E->get()->get_child_count(); child++) {
-					selection.push_back(E->get()->get_child(child));
+				for (int child = 0; child < E->get_child_count(); child++) {
+					selection.push_back(E->get_child(child));
 				}
 
-				Bone2D *bone_2d = Object::cast_to<Bone2D>(E->get());
+				Bone2D *bone_2d = Object::cast_to<Bone2D>(E);
 				if (!bone_2d || !bone_2d->is_inside_tree()) {
 					continue;
 				}
@@ -4477,8 +4465,8 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 			undo_redo->create_action(TTR("Lock Selected"));
 
 			List<Node *> selection = editor_selection->get_selected_node_list();
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E->get());
+			for (Node *E : selection) {
+				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E);
 				if (!canvas_item || !canvas_item->is_inside_tree()) {
 					continue;
 				}
@@ -4499,8 +4487,8 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 			undo_redo->create_action(TTR("Unlock Selected"));
 
 			List<Node *> selection = editor_selection->get_selected_node_list();
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E->get());
+			for (Node *E : selection) {
+				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E);
 				if (!canvas_item || !canvas_item->is_inside_tree()) {
 					continue;
 				}
@@ -4521,8 +4509,8 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 			undo_redo->create_action(TTR("Group Selected"));
 
 			List<Node *> selection = editor_selection->get_selected_node_list();
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E->get());
+			for (Node *E : selection) {
+				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E);
 				if (!canvas_item || !canvas_item->is_inside_tree()) {
 					continue;
 				}
@@ -4543,8 +4531,8 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 			undo_redo->create_action(TTR("Ungroup Selected"));
 
 			List<Node *> selection = editor_selection->get_selected_node_list();
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E->get());
+			for (Node *E : selection) {
+				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E);
 				if (!canvas_item || !canvas_item->is_inside_tree()) {
 					continue;
 				}
@@ -4711,14 +4699,14 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 			}
 
 			undo_redo->create_action(TTR("Paste Pose"));
-			for (List<PoseClipboard>::Element *E = pose_clipboard.front(); E; E = E->next()) {
-				Node2D *n2d = Object::cast_to<Node2D>(ObjectDB::get_instance(E->get().id));
+			for (PoseClipboard &E : pose_clipboard) {
+				Node2D *n2d = Object::cast_to<Node2D>(ObjectDB::get_instance(E.id));
 				if (!n2d) {
 					continue;
 				}
-				undo_redo->add_do_method(n2d, "set_position", E->get().pos);
-				undo_redo->add_do_method(n2d, "set_rotation", E->get().rot);
-				undo_redo->add_do_method(n2d, "set_scale", E->get().scale);
+				undo_redo->add_do_method(n2d, "set_position", E.pos);
+				undo_redo->add_do_method(n2d, "set_rotation", E.rot);
+				undo_redo->add_do_method(n2d, "set_scale", E.scale);
 				undo_redo->add_undo_method(n2d, "set_position", n2d->get_position());
 				undo_redo->add_undo_method(n2d, "set_rotation", n2d->get_rotation());
 				undo_redo->add_undo_method(n2d, "set_scale", n2d->get_scale());
@@ -5819,14 +5807,14 @@ void CanvasItemEditorViewport::_create_nodes(Node *parent, Node *child, String &
 	String property = "texture";
 	List<PropertyInfo> props;
 	child->get_property_list(&props);
-	for (const List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
-		if (E->get().name == "config/texture") { // Particles2D
+	for (const PropertyInfo &E : props) {
+		if (E.name == "config/texture") { // Particles2D
 			property = "config/texture";
 			break;
-		} else if (E->get().name == "texture/texture") { // Polygon2D
+		} else if (E.name == "texture/texture") { // Polygon2D
 			property = "texture/texture";
 			break;
-		} else if (E->get().name == "normal") { // TouchScreenButton
+		} else if (E.name == "normal") { // TouchScreenButton
 			property = "normal";
 			break;
 		}
diff --git a/editor/plugins/cpu_particles_2d_editor_plugin.cpp b/editor/plugins/cpu_particles_2d_editor_plugin.cpp
index c4deb296fb..7e0eb89359 100644
--- a/editor/plugins/cpu_particles_2d_editor_plugin.cpp
+++ b/editor/plugins/cpu_particles_2d_editor_plugin.cpp
@@ -253,8 +253,8 @@ CPUParticles2DEditorPlugin::CPUParticles2DEditorPlugin(EditorNode *p_node) {
 	file = memnew(EditorFileDialog);
 	List<String> ext;
 	ImageLoader::get_recognized_extensions(&ext);
-	for (List<String>::Element *E = ext.front(); E; E = E->next()) {
-		file->add_filter("*." + E->get() + "; " + E->get().to_upper());
+	for (String &E : ext) {
+		file->add_filter("*." + E + "; " + E.to_upper());
 	}
 	file->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
 	toolbar->add_child(file);
diff --git a/editor/plugins/editor_preview_plugins.cpp b/editor/plugins/editor_preview_plugins.cpp
index a233d66d82..19204e3bf8 100644
--- a/editor/plugins/editor_preview_plugins.cpp
+++ b/editor/plugins/editor_preview_plugins.cpp
@@ -490,11 +490,11 @@ Ref<Texture2D> EditorScriptPreviewPlugin::generate(const RES &p_from, const Size
 	Set<String> control_flow_keywords;
 	Set<String> keywords;
 
-	for (List<String>::Element *E = kwors.front(); E; E = E->next()) {
-		if (scr->get_language()->is_control_flow_keyword(E->get())) {
-			control_flow_keywords.insert(E->get());
+	for (String &E : kwors) {
+		if (scr->get_language()->is_control_flow_keyword(E)) {
+			control_flow_keywords.insert(E);
 		} else {
-			keywords.insert(E->get());
+			keywords.insert(E);
 		}
 	}
 
diff --git a/editor/plugins/gpu_particles_2d_editor_plugin.cpp b/editor/plugins/gpu_particles_2d_editor_plugin.cpp
index cc5793a1f9..4412d51077 100644
--- a/editor/plugins/gpu_particles_2d_editor_plugin.cpp
+++ b/editor/plugins/gpu_particles_2d_editor_plugin.cpp
@@ -361,8 +361,8 @@ GPUParticles2DEditorPlugin::GPUParticles2DEditorPlugin(EditorNode *p_node) {
 	file = memnew(EditorFileDialog);
 	List<String> ext;
 	ImageLoader::get_recognized_extensions(&ext);
-	for (List<String>::Element *E = ext.front(); E; E = E->next()) {
-		file->add_filter("*." + E->get() + "; " + E->get().to_upper());
+	for (String &E : ext) {
+		file->add_filter("*." + E + "; " + E.to_upper());
 	}
 	file->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
 	toolbar->add_child(file);
diff --git a/editor/plugins/material_editor_plugin.cpp b/editor/plugins/material_editor_plugin.cpp
index 7105d351b0..32d5865d0b 100644
--- a/editor/plugins/material_editor_plugin.cpp
+++ b/editor/plugins/material_editor_plugin.cpp
@@ -265,15 +265,15 @@ Ref<Resource> StandardMaterial3DConversionPlugin::convert(const Ref<Resource> &p
 	List<PropertyInfo> params;
 	RS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
 
-	for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
+	for (PropertyInfo &E : params) {
 		// Texture parameter has to be treated specially since StandardMaterial3D saved it
 		// as RID but ShaderMaterial needs Texture itself
-		Ref<Texture2D> texture = mat->get_texture_by_name(E->get().name);
+		Ref<Texture2D> texture = mat->get_texture_by_name(E.name);
 		if (texture.is_valid()) {
-			smat->set_shader_param(E->get().name, texture);
+			smat->set_shader_param(E.name, texture);
 		} else {
-			Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E->get().name);
-			smat->set_shader_param(E->get().name, value);
+			Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E.name);
+			smat->set_shader_param(E.name, value);
 		}
 	}
 
@@ -309,9 +309,9 @@ Ref<Resource> ParticlesMaterialConversionPlugin::convert(const Ref<Resource> &p_
 	List<PropertyInfo> params;
 	RS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
 
-	for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
-		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E->get().name);
-		smat->set_shader_param(E->get().name, value);
+	for (PropertyInfo &E : params) {
+		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E.name);
+		smat->set_shader_param(E.name, value);
 	}
 
 	smat->set_render_priority(mat->get_render_priority());
@@ -346,9 +346,9 @@ Ref<Resource> CanvasItemMaterialConversionPlugin::convert(const Ref<Resource> &p
 	List<PropertyInfo> params;
 	RS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
 
-	for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
-		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E->get().name);
-		smat->set_shader_param(E->get().name, value);
+	for (PropertyInfo &E : params) {
+		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E.name);
+		smat->set_shader_param(E.name, value);
 	}
 
 	smat->set_render_priority(mat->get_render_priority());
@@ -383,9 +383,9 @@ Ref<Resource> ProceduralSkyMaterialConversionPlugin::convert(const Ref<Resource>
 	List<PropertyInfo> params;
 	RS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
 
-	for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
-		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E->get().name);
-		smat->set_shader_param(E->get().name, value);
+	for (PropertyInfo &E : params) {
+		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E.name);
+		smat->set_shader_param(E.name, value);
 	}
 
 	smat->set_render_priority(mat->get_render_priority());
@@ -420,9 +420,9 @@ Ref<Resource> PanoramaSkyMaterialConversionPlugin::convert(const Ref<Resource> &
 	List<PropertyInfo> params;
 	RS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
 
-	for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
-		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E->get().name);
-		smat->set_shader_param(E->get().name, value);
+	for (PropertyInfo &E : params) {
+		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E.name);
+		smat->set_shader_param(E.name, value);
 	}
 
 	smat->set_render_priority(mat->get_render_priority());
@@ -457,9 +457,9 @@ Ref<Resource> PhysicalSkyMaterialConversionPlugin::convert(const Ref<Resource> &
 	List<PropertyInfo> params;
 	RS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
 
-	for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
-		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E->get().name);
-		smat->set_shader_param(E->get().name, value);
+	for (PropertyInfo &E : params) {
+		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E.name);
+		smat->set_shader_param(E.name, value);
 	}
 
 	smat->set_render_priority(mat->get_render_priority());
diff --git a/editor/plugins/mesh_instance_3d_editor_plugin.cpp b/editor/plugins/mesh_instance_3d_editor_plugin.cpp
index 91415f4883..9ee1fcb325 100644
--- a/editor/plugins/mesh_instance_3d_editor_plugin.cpp
+++ b/editor/plugins/mesh_instance_3d_editor_plugin.cpp
@@ -90,8 +90,8 @@ void MeshInstance3DEditor::_menu_option(int p_option) {
 
 			ur->create_action(TTR("Create Static Trimesh Body"));
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				MeshInstance3D *instance = Object::cast_to<MeshInstance3D>(E->get());
+			for (Node *E : selection) {
+				MeshInstance3D *instance = Object::cast_to<MeshInstance3D>(E);
 				if (!instance) {
 					continue;
 				}
diff --git a/editor/plugins/mesh_library_editor_plugin.cpp b/editor/plugins/mesh_library_editor_plugin.cpp
index 15b6a0f3a0..b3f92c9d95 100644
--- a/editor/plugins/mesh_library_editor_plugin.cpp
+++ b/editor/plugins/mesh_library_editor_plugin.cpp
@@ -122,23 +122,23 @@ void MeshLibraryEditor::_import_scene(Node *p_scene, Ref<MeshLibrary> p_library,
 			List<uint32_t> shapes;
 			sb->get_shape_owners(&shapes);
 
-			for (List<uint32_t>::Element *E = shapes.front(); E; E = E->next()) {
-				if (sb->is_shape_owner_disabled(E->get())) {
+			for (uint32_t &E : shapes) {
+				if (sb->is_shape_owner_disabled(E)) {
 					continue;
 				}
 
-				//Transform3D shape_transform = sb->shape_owner_get_transform(E->get());
+				//Transform3D shape_transform = sb->shape_owner_get_transform(E);
 
 				//shape_transform.set_origin(shape_transform.get_origin() - phys_offset);
 
-				for (int k = 0; k < sb->shape_owner_get_shape_count(E->get()); k++) {
-					Ref<Shape3D> collision = sb->shape_owner_get_shape(E->get(), k);
+				for (int k = 0; k < sb->shape_owner_get_shape_count(E); k++) {
+					Ref<Shape3D> collision = sb->shape_owner_get_shape(E, k);
 					if (!collision.is_valid()) {
 						continue;
 					}
 					MeshLibrary::ShapeData shape_data;
 					shape_data.shape = collision;
-					shape_data.local_transform = sb->get_transform() * sb->shape_owner_get_transform(E->get());
+					shape_data.local_transform = sb->get_transform() * sb->shape_owner_get_transform(E);
 					collisions.push_back(shape_data);
 				}
 			}
diff --git a/editor/plugins/node_3d_editor_gizmos.cpp b/editor/plugins/node_3d_editor_gizmos.cpp
index 492ba51b8a..393aaff207 100644
--- a/editor/plugins/node_3d_editor_gizmos.cpp
+++ b/editor/plugins/node_3d_editor_gizmos.cpp
@@ -4013,8 +4013,7 @@ void CollisionObject3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
 
 	List<uint32_t> owners;
 	co->get_shape_owners(&owners);
-	for (List<uint32_t>::Element *E = owners.front(); E; E = E->next()) {
-		uint32_t owner_id = E->get();
+	for (uint32_t &owner_id : owners) {
 		Transform3D xform = co->shape_owner_get_transform(owner_id);
 		Object *owner = co->shape_owner_get_owner(owner_id);
 		// Exclude CollisionShape3D and CollisionPolygon3D as they have their gizmo.
@@ -4747,9 +4746,7 @@ void NavigationRegion3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
 		Vector3 *tw = tmeshfaces.ptrw();
 		int tidx = 0;
 
-		for (List<Face3>::Element *E = faces.front(); E; E = E->next()) {
-			const Face3 &f = E->get();
-
+		for (Face3 &f : faces) {
 			for (int j = 0; j < 3; j++) {
 				tw[tidx++] = f.vertex[j];
 				_EdgeKey ek;
diff --git a/editor/plugins/node_3d_editor_plugin.cpp b/editor/plugins/node_3d_editor_plugin.cpp
index ebf593e556..6292ef9f6a 100644
--- a/editor/plugins/node_3d_editor_plugin.cpp
+++ b/editor/plugins/node_3d_editor_plugin.cpp
@@ -1327,8 +1327,8 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 
 					List<Node *> &selection = editor_selection->get_selected_node_list();
 
-					for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-						Node3D *sp = Object::cast_to<Node3D>(E->get());
+					for (Node *E : selection) {
+						Node3D *sp = Object::cast_to<Node3D>(E);
 						if (!sp) {
 							continue;
 						}
@@ -1771,8 +1771,8 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 									String::num(motion_snapped.y, snap_step_decimals) + ", " + String::num(motion_snapped.z, snap_step_decimals) + ")");
 
 						List<Node *> &selection = editor_selection->get_selected_node_list();
-						for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-							Node3D *sp = Object::cast_to<Node3D>(E->get());
+						for (Node *E : selection) {
+							Node3D *sp = Object::cast_to<Node3D>(E);
 							if (!sp) {
 								continue;
 							}
@@ -1870,8 +1870,8 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 									String::num(motion_snapped.y, snap_step_decimals) + ", " + String::num(motion_snapped.z, snap_step_decimals) + ")");
 
 						List<Node *> &selection = editor_selection->get_selected_node_list();
-						for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-							Node3D *sp = Object::cast_to<Node3D>(E->get());
+						for (Node *E : selection) {
+							Node3D *sp = Object::cast_to<Node3D>(E);
 							if (!sp) {
 								continue;
 							}
@@ -1955,8 +1955,8 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 						bool local_coords = (spatial_editor->are_local_coords_enabled() && _edit.plane != TRANSFORM_VIEW); // Disable local transformation for TRANSFORM_VIEW
 
 						List<Node *> &selection = editor_selection->get_selected_node_list();
-						for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-							Node3D *sp = Object::cast_to<Node3D>(E->get());
+						for (Node *E : selection) {
+							Node3D *sp = Object::cast_to<Node3D>(E);
 							if (!sp) {
 								continue;
 							}
@@ -2186,8 +2186,8 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 
 			List<Node *> &selection = editor_selection->get_selected_node_list();
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *sp = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *sp = Object::cast_to<Node3D>(E);
 				if (!sp) {
 					continue;
 				}
@@ -3052,8 +3052,8 @@ void Node3DEditorViewport::_menu_option(int p_option) {
 
 			undo_redo->create_action(TTR("Align Transform with View"));
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *sp = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *sp = Object::cast_to<Node3D>(E);
 				if (!sp) {
 					continue;
 				}
@@ -3088,8 +3088,8 @@ void Node3DEditorViewport::_menu_option(int p_option) {
 			List<Node *> &selection = editor_selection->get_selected_node_list();
 
 			undo_redo->create_action(TTR("Align Rotation with View"));
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *sp = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *sp = Object::cast_to<Node3D>(E);
 				if (!sp) {
 					continue;
 				}
@@ -3741,8 +3741,8 @@ void Node3DEditorViewport::focus_selection() {
 
 	List<Node *> &selection = editor_selection->get_selected_node_list();
 
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Node3D *sp = Object::cast_to<Node3D>(E->get());
+	for (Node *E : selection) {
+		Node3D *sp = Object::cast_to<Node3D>(E);
 		if (!sp) {
 			continue;
 		}
@@ -5176,8 +5176,8 @@ void Node3DEditor::_xform_dialog_action() {
 
 	List<Node *> &selection = editor_selection->get_selected_node_list();
 
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Node3D *sp = Object::cast_to<Node3D>(E->get());
+	for (Node *E : selection) {
+		Node3D *sp = Object::cast_to<Node3D>(E);
 		if (!sp) {
 			continue;
 		}
@@ -5413,8 +5413,8 @@ void Node3DEditor::_menu_item_pressed(int p_option) {
 
 			List<Node *> &selection = editor_selection->get_selected_node_list();
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *spatial = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *spatial = Object::cast_to<Node3D>(E);
 				if (!spatial || !spatial->is_inside_tree()) {
 					continue;
 				}
@@ -5438,8 +5438,8 @@ void Node3DEditor::_menu_item_pressed(int p_option) {
 
 			List<Node *> &selection = editor_selection->get_selected_node_list();
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *spatial = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *spatial = Object::cast_to<Node3D>(E);
 				if (!spatial || !spatial->is_inside_tree()) {
 					continue;
 				}
@@ -5463,8 +5463,8 @@ void Node3DEditor::_menu_item_pressed(int p_option) {
 
 			List<Node *> &selection = editor_selection->get_selected_node_list();
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *spatial = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *spatial = Object::cast_to<Node3D>(E);
 				if (!spatial || !spatial->is_inside_tree()) {
 					continue;
 				}
@@ -5487,8 +5487,8 @@ void Node3DEditor::_menu_item_pressed(int p_option) {
 			undo_redo->create_action(TTR("Ungroup Selected"));
 			List<Node *> &selection = editor_selection->get_selected_node_list();
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *spatial = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *spatial = Object::cast_to<Node3D>(E);
 				if (!spatial || !spatial->is_inside_tree()) {
 					continue;
 				}
@@ -6243,14 +6243,14 @@ void Node3DEditor::_refresh_menu_icons() {
 		all_locked = false;
 		all_grouped = false;
 	} else {
-		for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-			if (Object::cast_to<Node3D>(E->get()) && !Object::cast_to<Node3D>(E->get())->has_meta("_edit_lock_")) {
+		for (Node *E : selection) {
+			if (Object::cast_to<Node3D>(E) && !Object::cast_to<Node3D>(E)->has_meta("_edit_lock_")) {
 				all_locked = false;
 				break;
 			}
 		}
-		for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-			if (Object::cast_to<Node3D>(E->get()) && !Object::cast_to<Node3D>(E->get())->has_meta("_edit_group_")) {
+		for (Node *E : selection) {
+			if (Object::cast_to<Node3D>(E) && !Object::cast_to<Node3D>(E)->has_meta("_edit_group_")) {
 				all_grouped = false;
 				break;
 			}
@@ -6303,8 +6303,8 @@ void Node3DEditor::snap_selected_nodes_to_floor() {
 	List<Node *> &selection = editor_selection->get_selected_node_list();
 	Dictionary snap_data;
 
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Node3D *sp = Object::cast_to<Node3D>(E->get());
+	for (Node *E : selection) {
+		Node3D *sp = Object::cast_to<Node3D>(E);
 		if (sp) {
 			Vector3 from = Vector3();
 			Vector3 position_offset = Vector3();
diff --git a/editor/plugins/resource_preloader_editor_plugin.cpp b/editor/plugins/resource_preloader_editor_plugin.cpp
index e099c8b5fd..0cb5a2e1e4 100644
--- a/editor/plugins/resource_preloader_editor_plugin.cpp
+++ b/editor/plugins/resource_preloader_editor_plugin.cpp
@@ -181,21 +181,21 @@ void ResourcePreloaderEditor::_update_library() {
 	preloader->get_resource_list(&rnames);
 
 	List<String> names;
-	for (List<StringName>::Element *E = rnames.front(); E; E = E->next()) {
-		names.push_back(E->get());
+	for (StringName &E : rnames) {
+		names.push_back(E);
 	}
 
 	names.sort();
 
-	for (List<String>::Element *E = names.front(); E; E = E->next()) {
+	for (String &E : names) {
 		TreeItem *ti = tree->create_item(root);
 		ti->set_cell_mode(0, TreeItem::CELL_MODE_STRING);
 		ti->set_editable(0, true);
 		ti->set_selectable(0, true);
-		ti->set_text(0, E->get());
-		ti->set_metadata(0, E->get());
+		ti->set_text(0, E);
+		ti->set_metadata(0, E);
 
-		RES r = preloader->get_resource(E->get());
+		RES r = preloader->get_resource(E);
 
 		ERR_CONTINUE(r.is_null());
 
diff --git a/editor/plugins/root_motion_editor_plugin.cpp b/editor/plugins/root_motion_editor_plugin.cpp
index cea76f5233..95e23d0c57 100644
--- a/editor/plugins/root_motion_editor_plugin.cpp
+++ b/editor/plugins/root_motion_editor_plugin.cpp
@@ -70,8 +70,8 @@ void EditorPropertyRootMotion::_node_assign() {
 		List<StringName> animations;
 		player->get_animation_list(&animations);
 
-		for (List<StringName>::Element *E = animations.front(); E; E = E->next()) {
-			Ref<Animation> anim = player->get_animation(E->get());
+		for (StringName &E : animations) {
+			Ref<Animation> anim = player->get_animation(E);
 			for (int i = 0; i < anim->get_track_count(); i++) {
 				paths.insert(anim->track_get_path(i));
 			}
diff --git a/editor/plugins/script_editor_plugin.cpp b/editor/plugins/script_editor_plugin.cpp
index 1851ffdc34..ab783c87e9 100644
--- a/editor/plugins/script_editor_plugin.cpp
+++ b/editor/plugins/script_editor_plugin.cpp
@@ -103,8 +103,8 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 	const Color type_color = EDITOR_GET("text_editor/highlighting/engine_type_color");
 	List<StringName> types;
 	ClassDB::get_class_list(&types);
-	for (List<StringName>::Element *E = types.front(); E; E = E->next()) {
-		String n = E->get();
+	for (StringName &E : types) {
+		String n = E;
 		if (n.begins_with("_")) {
 			n = n.substr(1, n.length());
 		}
@@ -115,8 +115,8 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 	const Color usertype_color = EDITOR_GET("text_editor/highlighting/user_type_color");
 	List<StringName> global_classes;
 	ScriptServer::get_global_class_list(&global_classes);
-	for (List<StringName>::Element *E = global_classes.front(); E; E = E->next()) {
-		highlighter->add_keyword_color(E->get(), usertype_color);
+	for (StringName &E : global_classes) {
+		highlighter->add_keyword_color(E, usertype_color);
 	}
 
 	/* Autoloads. */
@@ -134,8 +134,8 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 		const Color basetype_color = EDITOR_GET("text_editor/highlighting/base_type_color");
 		List<String> core_types;
 		script->get_language()->get_core_type_words(&core_types);
-		for (List<String>::Element *E = core_types.front(); E; E = E->next()) {
-			highlighter->add_keyword_color(E->get(), basetype_color);
+		for (String &E : core_types) {
+			highlighter->add_keyword_color(E, basetype_color);
 		}
 
 		/* Reserved words. */
@@ -143,11 +143,11 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 		const Color control_flow_keyword_color = EDITOR_GET("text_editor/highlighting/control_flow_keyword_color");
 		List<String> keywords;
 		script->get_language()->get_reserved_words(&keywords);
-		for (List<String>::Element *E = keywords.front(); E; E = E->next()) {
-			if (script->get_language()->is_control_flow_keyword(E->get())) {
-				highlighter->add_keyword_color(E->get(), control_flow_keyword_color);
+		for (String &E : keywords) {
+			if (script->get_language()->is_control_flow_keyword(E)) {
+				highlighter->add_keyword_color(E, control_flow_keyword_color);
 			} else {
-				highlighter->add_keyword_color(E->get(), keyword_color);
+				highlighter->add_keyword_color(E, keyword_color);
 			}
 		}
 
@@ -157,9 +157,9 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 		if (instance_base != StringName()) {
 			List<PropertyInfo> plist;
 			ClassDB::get_property_list(instance_base, &plist);
-			for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-				String name = E->get().name;
-				if (E->get().usage & PROPERTY_USAGE_CATEGORY || E->get().usage & PROPERTY_USAGE_GROUP || E->get().usage & PROPERTY_USAGE_SUBGROUP) {
+			for (PropertyInfo &E : plist) {
+				String name = E.name;
+				if (E.usage & PROPERTY_USAGE_CATEGORY || E.usage & PROPERTY_USAGE_GROUP || E.usage & PROPERTY_USAGE_SUBGROUP) {
 					continue;
 				}
 				if (name.find("/") != -1) {
@@ -170,8 +170,8 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 
 			List<String> clist;
 			ClassDB::get_integer_constant_list(instance_base, &clist);
-			for (List<String>::Element *E = clist.front(); E; E = E->next()) {
-				highlighter->add_member_keyword_color(E->get(), member_variable_color);
+			for (String &E : clist) {
+				highlighter->add_member_keyword_color(E, member_variable_color);
 			}
 		}
 
@@ -179,8 +179,7 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 		const Color comment_color = EDITOR_GET("text_editor/highlighting/comment_color");
 		List<String> comments;
 		script->get_language()->get_comment_delimiters(&comments);
-		for (List<String>::Element *E = comments.front(); E; E = E->next()) {
-			String comment = E->get();
+		for (String &comment : comments) {
 			String beg = comment.get_slice(" ", 0);
 			String end = comment.get_slice_count(" ") > 1 ? comment.get_slice(" ", 1) : String();
 			highlighter->add_color_region(beg, end, comment_color, end == "");
@@ -190,8 +189,7 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 		const Color string_color = EDITOR_GET("text_editor/highlighting/string_color");
 		List<String> strings;
 		script->get_language()->get_string_delimiters(&strings);
-		for (List<String>::Element *E = strings.front(); E; E = E->next()) {
-			String string = E->get();
+		for (String &string : strings) {
 			String beg = string.get_slice(" ", 0);
 			String end = string.get_slice_count(" ") > 1 ? string.get_slice(" ", 1) : String();
 			highlighter->add_color_region(beg, end, string_color, end == "");
diff --git a/editor/plugins/script_text_editor.cpp b/editor/plugins/script_text_editor.cpp
index 1a6dfa273e..f9a0f307c3 100644
--- a/editor/plugins/script_text_editor.cpp
+++ b/editor/plugins/script_text_editor.cpp
@@ -50,9 +50,7 @@ void ConnectionInfoDialog::popup_connections(String p_method, Vector<Node *> p_n
 		List<Connection> all_connections;
 		p_nodes[i]->get_signals_connected_to_this(&all_connections);
 
-		for (List<Connection>::Element *E = all_connections.front(); E; E = E->next()) {
-			Connection connection = E->get();
-
+		for (Connection &connection : all_connections) {
 			if (connection.callable.get_method() != p_method) {
 				continue;
 			}
@@ -116,8 +114,8 @@ Vector<String> ScriptTextEditor::get_functions() {
 	if (script->get_language()->validate(text, script->get_path(), &fnc)) {
 		//if valid rewrite functions to latest
 		functions.clear();
-		for (List<String>::Element *E = fnc.front(); E; E = E->next()) {
-			functions.push_back(E->get());
+		for (String &E : fnc) {
+			functions.push_back(E);
 		}
 	}
 
@@ -203,8 +201,7 @@ void ScriptTextEditor::_set_theme_for_script() {
 	List<String> strings;
 	script->get_language()->get_string_delimiters(&strings);
 	text_edit->clear_string_delimiters();
-	for (List<String>::Element *E = strings.front(); E; E = E->next()) {
-		String string = E->get();
+	for (String &string : strings) {
 		String beg = string.get_slice(" ", 0);
 		String end = string.get_slice_count(" ") > 1 ? string.get_slice(" ", 1) : String();
 		text_edit->add_string_delimiter(beg, end, end == "");
@@ -213,8 +210,7 @@ void ScriptTextEditor::_set_theme_for_script() {
 	List<String> comments;
 	script->get_language()->get_comment_delimiters(&comments);
 	text_edit->clear_comment_delimiters();
-	for (List<String>::Element *E = comments.front(); E; E = E->next()) {
-		String comment = E->get();
+	for (String &comment : comments) {
 		String beg = comment.get_slice(" ", 0);
 		String end = comment.get_slice_count(" ") > 1 ? comment.get_slice(" ", 1) : String();
 		text_edit->add_comment_delimiter(beg, end, end == "");
@@ -417,8 +413,8 @@ void ScriptTextEditor::_validate_script() {
 		}
 
 		functions.clear();
-		for (List<String>::Element *E = fnc.front(); E; E = E->next()) {
-			functions.push_back(E->get());
+		for (String &E : fnc) {
+			functions.push_back(E);
 		}
 		script_is_valid = true;
 	}
@@ -432,9 +428,7 @@ void ScriptTextEditor::_validate_script() {
 		Node *base = get_tree()->get_edited_scene_root();
 		if (base && missing_connections.size() > 0) {
 			warnings_panel->push_table(1);
-			for (List<Connection>::Element *E = missing_connections.front(); E; E = E->next()) {
-				Connection connection = E->get();
-
+			for (Connection &connection : missing_connections) {
 				String base_path = base->get_name();
 				String source_path = base == connection.signal.get_object() ? base_path : base_path + "/" + base->get_path_to(Object::cast_to<Node>(connection.signal.get_object()));
 				String target_path = base == connection.callable.get_object() ? base_path : base_path + "/" + base->get_path_to(Object::cast_to<Node>(connection.callable.get_object()));
@@ -456,9 +450,7 @@ void ScriptTextEditor::_validate_script() {
 
 	// Add script warnings.
 	warnings_panel->push_table(3);
-	for (List<ScriptLanguage::Warning>::Element *E = warnings.front(); E; E = E->next()) {
-		ScriptLanguage::Warning w = E->get();
-
+	for (ScriptLanguage::Warning &w : warnings) {
 		Dictionary ignore_meta;
 		ignore_meta["line"] = w.start_line;
 		ignore_meta["code"] = w.string_code.to_lower();
@@ -488,9 +480,7 @@ void ScriptTextEditor::_validate_script() {
 
 	errors_panel->clear();
 	errors_panel->push_table(2);
-	for (List<ScriptLanguage::ScriptError>::Element *E = errors.front(); E; E = E->next()) {
-		ScriptLanguage::ScriptError err = E->get();
-
+	for (ScriptLanguage::ScriptError &err : errors) {
 		errors_panel->push_cell();
 		errors_panel->push_meta(err.line - 1);
 		errors_panel->push_color(warnings_panel->get_theme_color(SNAME("error_color"), SNAME("Editor")));
@@ -511,8 +501,8 @@ void ScriptTextEditor::_validate_script() {
 		if (errors.is_empty()) {
 			te->set_line_background_color(i, Color(0, 0, 0, 0));
 		} else {
-			for (List<ScriptLanguage::ScriptError>::Element *E = errors.front(); E; E = E->next()) {
-				bool error_line = i == E->get().line - 1;
+			for (ScriptLanguage::ScriptError &E : errors) {
+				bool error_line = i == E.line - 1;
 				te->set_line_background_color(i, error_line ? marked_line_color : Color(0, 0, 0, 0));
 				if (error_line) {
 					break;
@@ -910,8 +900,7 @@ void ScriptTextEditor::_update_connected_methods() {
 		List<Connection> connections;
 		nodes[i]->get_signals_connected_to_this(&connections);
 
-		for (List<Connection>::Element *E = connections.front(); E; E = E->next()) {
-			Connection connection = E->get();
+		for (Connection &connection : connections) {
 			if (!(connection.flags & CONNECT_PERSIST)) {
 				continue;
 			}
@@ -1286,8 +1275,7 @@ void ScriptTextEditor::_edit_option_toggle_inline_comment() {
 	List<String> comment_delimiters;
 	script->get_language()->get_comment_delimiters(&comment_delimiters);
 
-	for (List<String>::Element *E = comment_delimiters.front(); E; E = E->next()) {
-		String script_delimiter = E->get();
+	for (String &script_delimiter : comment_delimiters) {
 		if (script_delimiter.find(" ") == -1) {
 			delimiter = script_delimiter;
 			break;
diff --git a/editor/plugins/shader_editor_plugin.cpp b/editor/plugins/shader_editor_plugin.cpp
index 0d65dec87b..6c589ee07c 100644
--- a/editor/plugins/shader_editor_plugin.cpp
+++ b/editor/plugins/shader_editor_plugin.cpp
@@ -118,11 +118,11 @@ void ShaderTextEditor::_load_theme_settings() {
 	const Color keyword_color = EDITOR_GET("text_editor/highlighting/keyword_color");
 	const Color control_flow_keyword_color = EDITOR_GET("text_editor/highlighting/control_flow_keyword_color");
 
-	for (List<String>::Element *E = keywords.front(); E; E = E->next()) {
-		if (ShaderLanguage::is_control_flow_keyword(E->get())) {
-			syntax_highlighter->add_keyword_color(E->get(), control_flow_keyword_color);
+	for (String &E : keywords) {
+		if (ShaderLanguage::is_control_flow_keyword(E)) {
+			syntax_highlighter->add_keyword_color(E, control_flow_keyword_color);
 		} else {
-			syntax_highlighter->add_keyword_color(E->get(), keyword_color);
+			syntax_highlighter->add_keyword_color(E, keyword_color);
 		}
 	}
 
@@ -144,8 +144,8 @@ void ShaderTextEditor::_load_theme_settings() {
 
 	const Color member_variable_color = EDITOR_GET("text_editor/highlighting/member_variable_color");
 
-	for (List<String>::Element *E = built_ins.front(); E; E = E->next()) {
-		syntax_highlighter->add_keyword_color(E->get(), member_variable_color);
+	for (String &E : built_ins) {
+		syntax_highlighter->add_keyword_color(E, member_variable_color);
 	}
 
 	// Colorize comments.
diff --git a/editor/plugins/sprite_frames_editor_plugin.cpp b/editor/plugins/sprite_frames_editor_plugin.cpp
index 9bb8fbacbb..486a40a4fd 100644
--- a/editor/plugins/sprite_frames_editor_plugin.cpp
+++ b/editor/plugins/sprite_frames_editor_plugin.cpp
@@ -365,8 +365,8 @@ void SpriteFramesEditor::_file_load_request(const Vector<String> &p_path, int p_
 
 	int count = 0;
 
-	for (List<Ref<Texture2D>>::Element *E = resources.front(); E; E = E->next()) {
-		undo_redo->add_do_method(frames, "add_frame", edited_anim, E->get(), p_at_pos == -1 ? -1 : p_at_pos + count);
+	for (Ref<Texture2D> &E : resources) {
+		undo_redo->add_do_method(frames, "add_frame", edited_anim, E, p_at_pos == -1 ? -1 : p_at_pos + count);
 		undo_redo->add_undo_method(frames, "remove_frame", edited_anim, p_at_pos == -1 ? fc : p_at_pos);
 		count++;
 	}
@@ -624,10 +624,10 @@ void SpriteFramesEditor::_animation_name_edited() {
 	undo_redo->add_do_method(frames, "rename_animation", edited_anim, name);
 	undo_redo->add_undo_method(frames, "rename_animation", name, edited_anim);
 
-	for (List<Node *>::Element *E = nodes.front(); E; E = E->next()) {
-		String current = E->get()->call("get_animation");
-		undo_redo->add_do_method(E->get(), "set_animation", name);
-		undo_redo->add_undo_method(E->get(), "set_animation", edited_anim);
+	for (Node *E : nodes) {
+		String current = E->call("get_animation");
+		undo_redo->add_do_method(E, "set_animation", name);
+		undo_redo->add_undo_method(E, "set_animation", edited_anim);
 	}
 
 	undo_redo->add_do_method(this, "_update_library");
@@ -655,10 +655,10 @@ void SpriteFramesEditor::_animation_add() {
 	undo_redo->add_do_method(this, "_update_library");
 	undo_redo->add_undo_method(this, "_update_library");
 
-	for (List<Node *>::Element *E = nodes.front(); E; E = E->next()) {
-		String current = E->get()->call("get_animation");
-		undo_redo->add_do_method(E->get(), "set_animation", name);
-		undo_redo->add_undo_method(E->get(), "set_animation", current);
+	for (Node *E : nodes) {
+		String current = E->call("get_animation");
+		undo_redo->add_do_method(E, "set_animation", name);
+		undo_redo->add_undo_method(E, "set_animation", current);
 	}
 
 	edited_anim = name;
@@ -788,8 +788,8 @@ void SpriteFramesEditor::_update_library(bool p_skip_selector) {
 
 		anim_names.sort_custom<StringName::AlphCompare>();
 
-		for (List<StringName>::Element *E = anim_names.front(); E; E = E->next()) {
-			String name = E->get();
+		for (StringName &E : anim_names) {
+			String name = E;
 
 			TreeItem *it = animations->create_item(anim_root);
 
@@ -798,7 +798,7 @@ void SpriteFramesEditor::_update_library(bool p_skip_selector) {
 			it->set_text(0, name);
 			it->set_editable(0, true);
 
-			if (E->get() == edited_anim) {
+			if (E == edited_anim) {
 				it->select(0);
 			}
 		}
diff --git a/editor/plugins/texture_region_editor_plugin.cpp b/editor/plugins/texture_region_editor_plugin.cpp
index e323f1571d..34227ee894 100644
--- a/editor/plugins/texture_region_editor_plugin.cpp
+++ b/editor/plugins/texture_region_editor_plugin.cpp
@@ -144,8 +144,7 @@ void TextureRegionEditor::_region_draw() {
 			}
 		}
 	} else if (snap_mode == SNAP_AUTOSLICE) {
-		for (List<Rect2>::Element *E = autoslice_cache.front(); E; E = E->next()) {
-			Rect2 r = E->get();
+		for (Rect2 &r : autoslice_cache) {
 			Vector2 endpoints[4] = {
 				mtx.basis_xform(r.position),
 				mtx.basis_xform(r.position + Vector2(r.size.x, 0)),
@@ -328,9 +327,9 @@ void TextureRegionEditor::_region_input(const Ref<InputEvent> &p_input) {
 				}
 				if (edited_margin < 0 && snap_mode == SNAP_AUTOSLICE) {
 					Vector2 point = mtx.affine_inverse().xform(Vector2(mb->get_position().x, mb->get_position().y));
-					for (List<Rect2>::Element *E = autoslice_cache.front(); E; E = E->next()) {
-						if (E->get().has_point(point)) {
-							rect = E->get();
+					for (Rect2 &E : autoslice_cache) {
+						if (E.has_point(point)) {
+							rect = E;
 							if (Input::get_singleton()->is_key_pressed(KEY_CTRL) && !(Input::get_singleton()->is_key_pressed(KEY_SHIFT | KEY_ALT))) {
 								Rect2 r;
 								if (node_sprite) {
@@ -749,12 +748,12 @@ void TextureRegionEditor::_update_autoslice() {
 		for (int x = 0; x < texture->get_width(); x++) {
 			if (texture->is_pixel_opaque(x, y)) {
 				bool found = false;
-				for (List<Rect2>::Element *E = autoslice_cache.front(); E; E = E->next()) {
-					Rect2 grown = E->get().grow(1.5);
+				for (Rect2 &E : autoslice_cache) {
+					Rect2 grown = E.grow(1.5);
 					if (grown.has_point(Point2(x, y))) {
-						E->get().expand_to(Point2(x, y));
-						E->get().expand_to(Point2(x + 1, y + 1));
-						x = E->get().position.x + E->get().size.x - 1;
+						E.expand_to(Point2(x, y));
+						E.expand_to(Point2(x + 1, y + 1));
+						x = E.position.x + E.size.x - 1;
 						bool merged = true;
 						while (merged) {
 							merged = false;
@@ -764,12 +763,12 @@ void TextureRegionEditor::_update_autoslice() {
 									autoslice_cache.erase(F->prev());
 									queue_erase = false;
 								}
-								if (F == E) {
+								if (F->get() == E) {
 									continue;
 								}
-								if (E->get().grow(1).intersects(F->get())) {
-									E->get().expand_to(F->get().position);
-									E->get().expand_to(F->get().position + F->get().size);
+								if (E.grow(1).intersects(F->get())) {
+									E.expand_to(F->get().position);
+									E.expand_to(F->get().position + F->get().size);
 									if (F->prev()) {
 										F = F->prev();
 										autoslice_cache.erase(F->next());
diff --git a/editor/plugins/theme_editor_plugin.cpp b/editor/plugins/theme_editor_plugin.cpp
index 9338ea6ddd..991c298caa 100644
--- a/editor/plugins/theme_editor_plugin.cpp
+++ b/editor/plugins/theme_editor_plugin.cpp
@@ -65,8 +65,8 @@ void ThemeItemImportTree::_update_items_tree() {
 	tree_icon_items.clear();
 	tree_stylebox_items.clear();
 
-	for (List<StringName>::Element *E = types.front(); E; E = E->next()) {
-		String type_name = (String)E->get();
+	for (StringName &E : types) {
+		String type_name = (String)E;
 
 		TreeItem *type_node = import_items_tree->create_item(root);
 		type_node->set_meta("_can_be_imported", false);
@@ -89,12 +89,12 @@ void ThemeItemImportTree::_update_items_tree() {
 
 			names.clear();
 			filtered_names.clear();
-			base_theme->get_theme_item_list(dt, E->get(), &names);
+			base_theme->get_theme_item_list(dt, E, &names);
 
 			bool data_type_has_filtered_items = false;
 
-			for (List<StringName>::Element *F = names.front(); F; F = F->next()) {
-				String item_name = (String)F->get();
+			for (StringName &F : names) {
+				String item_name = (String)F;
 				bool is_item_matching_filter = (item_name.findn(filter_text) > -1);
 				if (!filter_text.is_empty() && !is_matching_filter && !is_item_matching_filter) {
 					continue;
@@ -105,7 +105,7 @@ void ThemeItemImportTree::_update_items_tree() {
 					has_filtered_items = true;
 					data_type_has_filtered_items = true;
 				}
-				filtered_names.push_back(F->get());
+				filtered_names.push_back(F);
 			}
 
 			if (filtered_names.size() == 0) {
@@ -182,10 +182,10 @@ void ThemeItemImportTree::_update_items_tree() {
 			bool data_type_any_checked_with_data = false;
 
 			filtered_names.sort_custom<StringName::AlphCompare>();
-			for (List<StringName>::Element *F = filtered_names.front(); F; F = F->next()) {
+			for (StringName &F : filtered_names) {
 				TreeItem *item_node = import_items_tree->create_item(data_type_node);
 				item_node->set_meta("_can_be_imported", true);
-				item_node->set_text(0, F->get());
+				item_node->set_text(0, F);
 				item_node->set_cell_mode(IMPORT_ITEM, TreeItem::CELL_MODE_CHECK);
 				item_node->set_checked(IMPORT_ITEM, false);
 				item_node->set_editable(IMPORT_ITEM, true);
@@ -1236,16 +1236,16 @@ void ThemeItemEditorDialog::_update_edit_types() {
 	bool item_reselected = false;
 	edit_type_list->clear();
 	int e_idx = 0;
-	for (List<StringName>::Element *E = theme_types.front(); E; E = E->next()) {
+	for (StringName &E : theme_types) {
 		Ref<Texture2D> item_icon;
-		if (E->get() == "") {
+		if (E == "") {
 			item_icon = get_theme_icon(SNAME("NodeDisabled"), SNAME("EditorIcons"));
 		} else {
-			item_icon = EditorNode::get_singleton()->get_class_icon(E->get(), "NodeDisabled");
+			item_icon = EditorNode::get_singleton()->get_class_icon(E, "NodeDisabled");
 		}
-		edit_type_list->add_item(E->get(), item_icon);
+		edit_type_list->add_item(E, item_icon);
 
-		if (E->get() == edited_item_type) {
+		if (E == edited_item_type) {
 			edit_type_list->select(e_idx);
 			item_reselected = true;
 		}
@@ -1318,9 +1318,9 @@ void ThemeItemEditorDialog::_update_edit_item_tree(String p_item_type) {
 			color_root->add_button(0, get_theme_icon(SNAME("Clear"), SNAME("EditorIcons")), ITEMS_TREE_REMOVE_DATA_TYPE, false, TTR("Remove All Color Items"));
 
 			names.sort_custom<StringName::AlphCompare>();
-			for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
+			for (StringName &E : names) {
 				TreeItem *item = edit_items_tree->create_item(color_root);
-				item->set_text(0, E->get());
+				item->set_text(0, E);
 				item->add_button(0, get_theme_icon(SNAME("Edit"), SNAME("EditorIcons")), ITEMS_TREE_RENAME_ITEM, false, TTR("Rename Item"));
 				item->add_button(0, get_theme_icon(SNAME("Remove"), SNAME("EditorIcons")), ITEMS_TREE_REMOVE_ITEM, false, TTR("Remove Item"));
 			}
@@ -1339,9 +1339,9 @@ void ThemeItemEditorDialog::_update_edit_item_tree(String p_item_type) {
 			constant_root->add_button(0, get_theme_icon(SNAME("Clear"), SNAME("EditorIcons")), ITEMS_TREE_REMOVE_DATA_TYPE, false, TTR("Remove All Constant Items"));
 
 			names.sort_custom<StringName::AlphCompare>();
-			for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
+			for (StringName &E : names) {
 				TreeItem *item = edit_items_tree->create_item(constant_root);
-				item->set_text(0, E->get());
+				item->set_text(0, E);
 				item->add_button(0, get_theme_icon(SNAME("Edit"), SNAME("EditorIcons")), ITEMS_TREE_RENAME_ITEM, false, TTR("Rename Item"));
 				item->add_button(0, get_theme_icon(SNAME("Remove"), SNAME("EditorIcons")), ITEMS_TREE_REMOVE_ITEM, false, TTR("Remove Item"));
 			}
@@ -1360,9 +1360,9 @@ void ThemeItemEditorDialog::_update_edit_item_tree(String p_item_type) {
 			font_root->add_button(0, get_theme_icon(SNAME("Clear"), SNAME("EditorIcons")), ITEMS_TREE_REMOVE_DATA_TYPE, false, TTR("Remove All Font Items"));
 
 			names.sort_custom<StringName::AlphCompare>();
-			for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
+			for (StringName &E : names) {
 				TreeItem *item = edit_items_tree->create_item(font_root);
-				item->set_text(0, E->get());
+				item->set_text(0, E);
 				item->add_button(0, get_theme_icon(SNAME("Edit"), SNAME("EditorIcons")), ITEMS_TREE_RENAME_ITEM, false, TTR("Rename Item"));
 				item->add_button(0, get_theme_icon(SNAME("Remove"), SNAME("EditorIcons")), ITEMS_TREE_REMOVE_ITEM, false, TTR("Remove Item"));
 			}
@@ -1381,9 +1381,9 @@ void ThemeItemEditorDialog::_update_edit_item_tree(String p_item_type) {
 			font_size_root->add_button(0, get_theme_icon(SNAME("Clear"), SNAME("EditorIcons")), ITEMS_TREE_REMOVE_DATA_TYPE, false, TTR("Remove All Font Size Items"));
 
 			names.sort_custom<StringName::AlphCompare>();
-			for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
+			for (StringName &E : names) {
 				TreeItem *item = edit_items_tree->create_item(font_size_root);
-				item->set_text(0, E->get());
+				item->set_text(0, E);
 				item->add_button(0, get_theme_icon(SNAME("Edit"), SNAME("EditorIcons")), ITEMS_TREE_RENAME_ITEM, false, TTR("Rename Item"));
 				item->add_button(0, get_theme_icon(SNAME("Remove"), SNAME("EditorIcons")), ITEMS_TREE_REMOVE_ITEM, false, TTR("Remove Item"));
 			}
@@ -1402,9 +1402,9 @@ void ThemeItemEditorDialog::_update_edit_item_tree(String p_item_type) {
 			icon_root->add_button(0, get_theme_icon(SNAME("Clear"), SNAME("EditorIcons")), ITEMS_TREE_REMOVE_DATA_TYPE, false, TTR("Remove All Icon Items"));
 
 			names.sort_custom<StringName::AlphCompare>();
-			for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
+			for (StringName &E : names) {
 				TreeItem *item = edit_items_tree->create_item(icon_root);
-				item->set_text(0, E->get());
+				item->set_text(0, E);
 				item->add_button(0, get_theme_icon(SNAME("Edit"), SNAME("EditorIcons")), ITEMS_TREE_RENAME_ITEM, false, TTR("Rename Item"));
 				item->add_button(0, get_theme_icon(SNAME("Remove"), SNAME("EditorIcons")), ITEMS_TREE_REMOVE_ITEM, false, TTR("Remove Item"));
 			}
@@ -1423,9 +1423,9 @@ void ThemeItemEditorDialog::_update_edit_item_tree(String p_item_type) {
 			stylebox_root->add_button(0, get_theme_icon(SNAME("Clear"), SNAME("EditorIcons")), ITEMS_TREE_REMOVE_DATA_TYPE, false, TTR("Remove All StyleBox Items"));
 
 			names.sort_custom<StringName::AlphCompare>();
-			for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
+			for (StringName &E : names) {
 				TreeItem *item = edit_items_tree->create_item(stylebox_root);
-				item->set_text(0, E->get());
+				item->set_text(0, E);
 				item->add_button(0, get_theme_icon(SNAME("Edit"), SNAME("EditorIcons")), ITEMS_TREE_RENAME_ITEM, false, TTR("Rename Item"));
 				item->add_button(0, get_theme_icon(SNAME("Remove"), SNAME("EditorIcons")), ITEMS_TREE_REMOVE_ITEM, false, TTR("Remove Item"));
 			}
@@ -1507,8 +1507,8 @@ void ThemeItemEditorDialog::_remove_data_type_items(Theme::DataType p_data_type,
 	edited_theme->_freeze_change_propagation();
 
 	edited_theme->get_theme_item_list(p_data_type, p_item_type, &names);
-	for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-		edited_theme->clear_theme_item(p_data_type, E->get(), p_item_type);
+	for (StringName &E : names) {
+		edited_theme->clear_theme_item(p_data_type, E, p_item_type);
 	}
 
 	// Allow changes to be reported now that the operation is finished.
@@ -1526,9 +1526,9 @@ void ThemeItemEditorDialog::_remove_class_items() {
 
 		names.clear();
 		Theme::get_default()->get_theme_item_list(data_type, edited_item_type, &names);
-		for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-			if (edited_theme->has_theme_item_nocheck(data_type, E->get(), edited_item_type)) {
-				edited_theme->clear_theme_item(data_type, E->get(), edited_item_type);
+		for (StringName &E : names) {
+			if (edited_theme->has_theme_item_nocheck(data_type, E, edited_item_type)) {
+				edited_theme->clear_theme_item(data_type, E, edited_item_type);
 			}
 		}
 	}
@@ -1550,9 +1550,9 @@ void ThemeItemEditorDialog::_remove_custom_items() {
 
 		names.clear();
 		edited_theme->get_theme_item_list(data_type, edited_item_type, &names);
-		for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-			if (!Theme::get_default()->has_theme_item_nocheck(data_type, E->get(), edited_item_type)) {
-				edited_theme->clear_theme_item(data_type, E->get(), edited_item_type);
+		for (StringName &E : names) {
+			if (!Theme::get_default()->has_theme_item_nocheck(data_type, E, edited_item_type)) {
+				edited_theme->clear_theme_item(data_type, E, edited_item_type);
 			}
 		}
 	}
@@ -1574,8 +1574,8 @@ void ThemeItemEditorDialog::_remove_all_items() {
 
 		names.clear();
 		edited_theme->get_theme_item_list(data_type, edited_item_type, &names);
-		for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-			edited_theme->clear_theme_item(data_type, E->get(), edited_item_type);
+		for (StringName &E : names) {
+			edited_theme->clear_theme_item(data_type, E, edited_item_type);
 		}
 	}
 
@@ -1927,8 +1927,8 @@ ThemeItemEditorDialog::ThemeItemEditorDialog() {
 	import_another_theme_dialog->set_title(TTR("Select Another Theme Resource:"));
 	List<String> ext;
 	ResourceLoader::get_recognized_extensions_for_type("Theme", &ext);
-	for (List<String>::Element *E = ext.front(); E; E = E->next()) {
-		import_another_theme_dialog->add_filter("*." + E->get() + "; Theme Resource");
+	for (String &E : ext) {
+		import_another_theme_dialog->add_filter("*." + E + "; Theme Resource");
 	}
 	import_another_file_hb->add_child(import_another_theme_dialog);
 	import_another_theme_dialog->connect("file_selected", callable_mp(this, &ThemeItemEditorDialog::_select_another_theme_cbk));
@@ -1969,26 +1969,26 @@ void ThemeTypeDialog::_update_add_type_options(const String &p_filter) {
 	names.sort_custom<StringName::AlphCompare>();
 
 	Vector<StringName> unique_names;
-	for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
+	for (StringName &E : names) {
 		// Filter out undesired values.
-		if (!p_filter.is_subsequence_ofi(String(E->get()))) {
+		if (!p_filter.is_subsequence_ofi(String(E))) {
 			continue;
 		}
 
 		// Skip duplicate values.
-		if (unique_names.has(E->get())) {
+		if (unique_names.has(E)) {
 			continue;
 		}
-		unique_names.append(E->get());
+		unique_names.append(E);
 
 		Ref<Texture2D> item_icon;
-		if (E->get() == "") {
+		if (E == "") {
 			item_icon = get_theme_icon(SNAME("NodeDisabled"), SNAME("EditorIcons"));
 		} else {
-			item_icon = EditorNode::get_singleton()->get_class_icon(E->get(), "NodeDisabled");
+			item_icon = EditorNode::get_singleton()->get_class_icon(E, "NodeDisabled");
 		}
 
-		add_type_options->add_item(E->get(), item_icon);
+		add_type_options->add_item(E, item_icon);
 	}
 }
 
@@ -2132,16 +2132,16 @@ void ThemeTypeEditor::_update_type_list() {
 
 		bool item_reselected = false;
 		int e_idx = 0;
-		for (List<StringName>::Element *E = theme_types.front(); E; E = E->next()) {
+		for (StringName &E : theme_types) {
 			Ref<Texture2D> item_icon;
-			if (E->get() == "") {
+			if (E == "") {
 				item_icon = get_theme_icon(SNAME("NodeDisabled"), SNAME("EditorIcons"));
 			} else {
-				item_icon = EditorNode::get_singleton()->get_class_icon(E->get(), "NodeDisabled");
+				item_icon = EditorNode::get_singleton()->get_class_icon(E, "NodeDisabled");
 			}
-			theme_type_list->add_icon_item(item_icon, E->get());
+			theme_type_list->add_icon_item(item_icon, E);
 
-			if (E->get() == edited_type) {
+			if (E == edited_type) {
 				theme_type_list->select(e_idx);
 				item_reselected = true;
 			}
@@ -2182,8 +2182,8 @@ OrderedHashMap<StringName, bool> ThemeTypeEditor::_get_type_items(String p_type_
 
 		(Theme::get_default().operator->()->*get_list_func)(default_type, &names);
 		names.sort_custom<StringName::AlphCompare>();
-		for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-			items[E->get()] = false;
+		for (StringName &E : names) {
+			items[E] = false;
 		}
 	}
 
@@ -2191,8 +2191,8 @@ OrderedHashMap<StringName, bool> ThemeTypeEditor::_get_type_items(String p_type_
 		names.clear();
 		(edited_theme.operator->()->*get_list_func)(p_type_name, &names);
 		names.sort_custom<StringName::AlphCompare>();
-		for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-			items[E->get()] = true;
+		for (StringName &E : names) {
+			items[E] = true;
 		}
 	}
 
@@ -2203,8 +2203,8 @@ OrderedHashMap<StringName, bool> ThemeTypeEditor::_get_type_items(String p_type_
 	keys.sort_custom<StringName::AlphCompare>();
 
 	OrderedHashMap<StringName, bool> ordered_items;
-	for (List<StringName>::Element *E = keys.front(); E; E = E->next()) {
-		ordered_items[E->get()] = items[E->get()];
+	for (StringName &E : keys) {
+		ordered_items[E] = items[E];
 	}
 
 	return ordered_items;
@@ -2580,54 +2580,54 @@ void ThemeTypeEditor::_add_default_type_items() {
 	{
 		names.clear();
 		Theme::get_default()->get_icon_list(default_type, &names);
-		for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-			if (!edited_theme->has_icon(E->get(), edited_type)) {
-				edited_theme->set_icon(E->get(), edited_type, Ref<Texture2D>());
+		for (StringName &E : names) {
+			if (!edited_theme->has_icon(E, edited_type)) {
+				edited_theme->set_icon(E, edited_type, Ref<Texture2D>());
 			}
 		}
 	}
 	{
 		names.clear();
 		Theme::get_default()->get_stylebox_list(default_type, &names);
-		for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-			if (!edited_theme->has_stylebox(E->get(), edited_type)) {
-				edited_theme->set_stylebox(E->get(), edited_type, Ref<StyleBox>());
+		for (StringName &E : names) {
+			if (!edited_theme->has_stylebox(E, edited_type)) {
+				edited_theme->set_stylebox(E, edited_type, Ref<StyleBox>());
 			}
 		}
 	}
 	{
 		names.clear();
 		Theme::get_default()->get_font_list(default_type, &names);
-		for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-			if (!edited_theme->has_font(E->get(), edited_type)) {
-				edited_theme->set_font(E->get(), edited_type, Ref<Font>());
+		for (StringName &E : names) {
+			if (!edited_theme->has_font(E, edited_type)) {
+				edited_theme->set_font(E, edited_type, Ref<Font>());
 			}
 		}
 	}
 	{
 		names.clear();
 		Theme::get_default()->get_font_size_list(default_type, &names);
-		for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-			if (!edited_theme->has_font_size(E->get(), edited_type)) {
-				edited_theme->set_font_size(E->get(), edited_type, Theme::get_default()->get_font_size(E->get(), default_type));
+		for (StringName &E : names) {
+			if (!edited_theme->has_font_size(E, edited_type)) {
+				edited_theme->set_font_size(E, edited_type, Theme::get_default()->get_font_size(E, default_type));
 			}
 		}
 	}
 	{
 		names.clear();
 		Theme::get_default()->get_color_list(default_type, &names);
-		for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-			if (!edited_theme->has_color(E->get(), edited_type)) {
-				edited_theme->set_color(E->get(), edited_type, Theme::get_default()->get_color(E->get(), default_type));
+		for (StringName &E : names) {
+			if (!edited_theme->has_color(E, edited_type)) {
+				edited_theme->set_color(E, edited_type, Theme::get_default()->get_color(E, default_type));
 			}
 		}
 	}
 	{
 		names.clear();
 		Theme::get_default()->get_constant_list(default_type, &names);
-		for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-			if (!edited_theme->has_constant(E->get(), edited_type)) {
-				edited_theme->set_constant(E->get(), edited_type, Theme::get_default()->get_constant(E->get(), default_type));
+		for (StringName &E : names) {
+			if (!edited_theme->has_constant(E, edited_type)) {
+				edited_theme->set_constant(E, edited_type, Theme::get_default()->get_constant(E, default_type));
 			}
 		}
 	}
@@ -2882,12 +2882,12 @@ void ThemeTypeEditor::_update_stylebox_from_leading() {
 	List<StringName> names;
 	edited_theme->get_stylebox_list(edited_type, &names);
 	List<Ref<StyleBox>> styleboxes;
-	for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-		if (E->get() == leading_stylebox.item_name) {
+	for (StringName &E : names) {
+		if (E == leading_stylebox.item_name) {
 			continue;
 		}
 
-		Ref<StyleBox> sb = edited_theme->get_stylebox(E->get(), edited_type);
+		Ref<StyleBox> sb = edited_theme->get_stylebox(E, edited_type);
 		if (sb->get_class() == leading_stylebox.stylebox->get_class()) {
 			styleboxes.push_back(sb);
 		}
@@ -2895,20 +2895,20 @@ void ThemeTypeEditor::_update_stylebox_from_leading() {
 
 	List<PropertyInfo> props;
 	leading_stylebox.stylebox->get_property_list(&props);
-	for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
-		if (!(E->get().usage & PROPERTY_USAGE_STORAGE)) {
+	for (PropertyInfo &E : props) {
+		if (!(E.usage & PROPERTY_USAGE_STORAGE)) {
 			continue;
 		}
 
-		Variant value = leading_stylebox.stylebox->get(E->get().name);
-		Variant ref_value = leading_stylebox.ref_stylebox->get(E->get().name);
+		Variant value = leading_stylebox.stylebox->get(E.name);
+		Variant ref_value = leading_stylebox.ref_stylebox->get(E.name);
 		if (value == ref_value) {
 			continue;
 		}
 
-		for (List<Ref<StyleBox>>::Element *F = styleboxes.front(); F; F = F->next()) {
-			Ref<StyleBox> sb = F->get();
-			sb->set(E->get().name, value);
+		for (Ref<StyleBox> F : styleboxes) {
+			Ref<StyleBox> sb = F;
+			sb->set(E.name, value);
 		}
 	}
 
@@ -3301,8 +3301,8 @@ ThemeEditor::ThemeEditor() {
 	preview_scene_dialog->set_title(TTR("Select UI Scene:"));
 	List<String> ext;
 	ResourceLoader::get_recognized_extensions_for_type("PackedScene", &ext);
-	for (List<String>::Element *E = ext.front(); E; E = E->next()) {
-		preview_scene_dialog->add_filter("*." + E->get() + "; Scene");
+	for (String &E : ext) {
+		preview_scene_dialog->add_filter("*." + E + "; Scene");
 	}
 	main_hs->add_child(preview_scene_dialog);
 	preview_scene_dialog->connect("file_selected", callable_mp(this, &ThemeEditor::_preview_scene_dialog_cbk));
@@ -3343,12 +3343,12 @@ bool ThemeEditorPlugin::handles(Object *p_node) const {
 		List<StringName> names;
 
 		edited_theme->get_font_type_list(&types);
-		for (List<StringName>::Element *E = types.front(); E; E = E->next()) {
+		for (StringName &E : types) {
 			names.clear();
-			edited_theme->get_font_list(E->get(), &names);
+			edited_theme->get_font_list(E, &names);
 
-			for (List<StringName>::Element *F = names.front(); F; F = F->next()) {
-				if (font_item == edited_theme->get_font(F->get(), E->get())) {
+			for (StringName &F : names) {
+				if (font_item == edited_theme->get_font(F, E)) {
 					belongs_to_theme = true;
 					break;
 				}
@@ -3360,12 +3360,12 @@ bool ThemeEditorPlugin::handles(Object *p_node) const {
 		List<StringName> names;
 
 		edited_theme->get_stylebox_type_list(&types);
-		for (List<StringName>::Element *E = types.front(); E; E = E->next()) {
+		for (StringName &E : types) {
 			names.clear();
-			edited_theme->get_stylebox_list(E->get(), &names);
+			edited_theme->get_stylebox_list(E, &names);
 
-			for (List<StringName>::Element *F = names.front(); F; F = F->next()) {
-				if (stylebox_item == edited_theme->get_stylebox(F->get(), E->get())) {
+			for (StringName &F : names) {
+				if (stylebox_item == edited_theme->get_stylebox(F, E)) {
 					belongs_to_theme = true;
 					break;
 				}
@@ -3377,12 +3377,12 @@ bool ThemeEditorPlugin::handles(Object *p_node) const {
 		List<StringName> names;
 
 		edited_theme->get_icon_type_list(&types);
-		for (List<StringName>::Element *E = types.front(); E; E = E->next()) {
+		for (StringName &E : types) {
 			names.clear();
-			edited_theme->get_icon_list(E->get(), &names);
+			edited_theme->get_icon_list(E, &names);
 
-			for (List<StringName>::Element *F = names.front(); F; F = F->next()) {
-				if (icon_item == edited_theme->get_icon(F->get(), E->get())) {
+			for (StringName &F : names) {
+				if (icon_item == edited_theme->get_icon(F, E)) {
 					belongs_to_theme = true;
 					break;
 				}
diff --git a/editor/plugins/tiles/tile_set_atlas_source_editor.cpp b/editor/plugins/tiles/tile_set_atlas_source_editor.cpp
index de910dfd32..ab26e1c380 100644
--- a/editor/plugins/tiles/tile_set_atlas_source_editor.cpp
+++ b/editor/plugins/tiles/tile_set_atlas_source_editor.cpp
@@ -303,9 +303,9 @@ void TileSetAtlasSourceEditor::AtlasTileProxyObject::_get_property_list(List<Pro
 	}
 
 	// Add only properties that are common to all tiles.
-	for (List<PLData *>::Element *E = data_list.front(); E; E = E->next()) {
-		if (E->get()->uses == tiles.size()) {
-			p_list->push_back(E->get()->property_info);
+	for (PLData *E : data_list) {
+		if (E->uses == tiles.size()) {
+			p_list->push_back(E->property_info);
 		}
 	}
 }
diff --git a/editor/plugins/visual_shader_editor_plugin.cpp b/editor/plugins/visual_shader_editor_plugin.cpp
index f49279aa33..7e3244dddf 100644
--- a/editor/plugins/visual_shader_editor_plugin.cpp
+++ b/editor/plugins/visual_shader_editor_plugin.cpp
@@ -666,8 +666,8 @@ void VisualShaderGraphPlugin::add_node(VisualShader::Type p_type, int p_id) {
 		if (valid_left) {
 			name_left = vsnode->get_input_port_name(i);
 			port_left = vsnode->get_input_port_type(i);
-			for (List<VisualShader::Connection>::Element *E = connections.front(); E; E = E->next()) {
-				if (E->get().to_node == p_id && E->get().to_port == j) {
+			for (VisualShader::Connection &E : connections) {
+				if (E.to_node == p_id && E.to_port == j) {
 					port_left_used = true;
 				}
 			}
@@ -899,11 +899,11 @@ void VisualShaderGraphPlugin::add_node(VisualShader::Type p_type, int p_id) {
 		expression_box->set_syntax_highlighter(expression_syntax_highlighter);
 		expression_box->add_theme_color_override("background_color", background_color);
 
-		for (List<String>::Element *E = VisualShaderEditor::get_singleton()->keyword_list.front(); E; E = E->next()) {
-			if (ShaderLanguage::is_control_flow_keyword(E->get())) {
-				expression_syntax_highlighter->add_keyword_color(E->get(), control_flow_keyword_color);
+		for (String &E : VisualShaderEditor::get_singleton()->keyword_list) {
+			if (ShaderLanguage::is_control_flow_keyword(E)) {
+				expression_syntax_highlighter->add_keyword_color(E, control_flow_keyword_color);
 			} else {
-				expression_syntax_highlighter->add_keyword_color(E->get(), keyword_color);
+				expression_syntax_highlighter->add_keyword_color(E, keyword_color);
 			}
 		}
 
@@ -961,7 +961,7 @@ void VisualShaderGraphPlugin::connect_nodes(VisualShader::Type p_type, int p_fro
 void VisualShaderGraphPlugin::disconnect_nodes(VisualShader::Type p_type, int p_from_node, int p_from_port, int p_to_node, int p_to_port) {
 	if (visual_shader->get_shader_type() == p_type) {
 		VisualShaderEditor::get_singleton()->graph->disconnect_node(itos(p_from_node), p_from_port, itos(p_to_node), p_to_port);
-		for (List<VisualShader::Connection>::Element *E = connections.front(); E; E = E->next()) {
+		for (const List<VisualShader::Connection>::Element *E = connections.front(); E; E = E->next()) {
 			if (E->get().from_node == p_from_node && E->get().from_port == p_from_port && E->get().to_node == p_to_node && E->get().to_port == p_to_port) {
 				connections.erase(E);
 				break;
@@ -1470,11 +1470,11 @@ void VisualShaderEditor::_update_graph() {
 
 	graph_plugin->make_dirty(false);
 
-	for (List<VisualShader::Connection>::Element *E = connections.front(); E; E = E->next()) {
-		int from = E->get().from_node;
-		int from_idx = E->get().from_port;
-		int to = E->get().to_node;
-		int to_idx = E->get().to_port;
+	for (VisualShader::Connection &E : connections) {
+		int from = E.from_node;
+		int from_idx = E.from_port;
+		int to = E.to_node;
+		int to_idx = E.to_port;
 
 		graph->connect_node(itos(from), from_idx, itos(to), to_idx);
 	}
@@ -1634,11 +1634,11 @@ void VisualShaderEditor::_expand_output_port(int p_node, int p_port, bool p_expa
 	List<VisualShader::Connection> conns;
 	visual_shader->get_node_connections(type, &conns);
 
-	for (List<VisualShader::Connection>::Element *E = conns.front(); E; E = E->next()) {
-		int from_node = E->get().from_node;
-		int from_port = E->get().from_port;
-		int to_node = E->get().to_node;
-		int to_port = E->get().to_port;
+	for (VisualShader::Connection &E : conns) {
+		int from_node = E.from_node;
+		int from_port = E.from_port;
+		int to_node = E.to_node;
+		int to_port = E.to_port;
 
 		if (from_node == p_node) {
 			if (p_expand) {
@@ -1708,11 +1708,11 @@ void VisualShaderEditor::_remove_input_port(int p_node, int p_port) {
 
 	List<VisualShader::Connection> conns;
 	visual_shader->get_node_connections(type, &conns);
-	for (List<VisualShader::Connection>::Element *E = conns.front(); E; E = E->next()) {
-		int from_node = E->get().from_node;
-		int from_port = E->get().from_port;
-		int to_node = E->get().to_node;
-		int to_port = E->get().to_port;
+	for (VisualShader::Connection &E : conns) {
+		int from_node = E.from_node;
+		int from_port = E.from_port;
+		int to_node = E.to_node;
+		int to_port = E.to_port;
 
 		if (to_node == p_node) {
 			if (to_port == p_port) {
@@ -1757,11 +1757,11 @@ void VisualShaderEditor::_remove_output_port(int p_node, int p_port) {
 
 	List<VisualShader::Connection> conns;
 	visual_shader->get_node_connections(type, &conns);
-	for (List<VisualShader::Connection>::Element *E = conns.front(); E; E = E->next()) {
-		int from_node = E->get().from_node;
-		int from_port = E->get().from_port;
-		int to_node = E->get().to_node;
-		int to_port = E->get().to_port;
+	for (VisualShader::Connection &E : conns) {
+		int from_node = E.from_node;
+		int from_port = E.from_port;
+		int to_node = E.to_node;
+		int to_port = E.to_port;
 
 		if (from_node == p_node) {
 			if (from_port == p_port) {
@@ -2518,11 +2518,11 @@ void VisualShaderEditor::_nodes_dragged() {
 
 	undo_redo->create_action(TTR("Node(s) Moved"));
 
-	for (List<DragOp>::Element *E = drag_buffer.front(); E; E = E->next()) {
-		undo_redo->add_do_method(visual_shader.ptr(), "set_node_position", E->get().type, E->get().node, E->get().to);
-		undo_redo->add_undo_method(visual_shader.ptr(), "set_node_position", E->get().type, E->get().node, E->get().from);
-		undo_redo->add_do_method(graph_plugin.ptr(), "set_node_position", E->get().type, E->get().node, E->get().to);
-		undo_redo->add_undo_method(graph_plugin.ptr(), "set_node_position", E->get().type, E->get().node, E->get().from);
+	for (DragOp &E : drag_buffer) {
+		undo_redo->add_do_method(visual_shader.ptr(), "set_node_position", E.type, E.node, E.to);
+		undo_redo->add_undo_method(visual_shader.ptr(), "set_node_position", E.type, E.node, E.from);
+		undo_redo->add_do_method(graph_plugin.ptr(), "set_node_position", E.type, E.node, E.to);
+		undo_redo->add_undo_method(graph_plugin.ptr(), "set_node_position", E.type, E.node, E.from);
 	}
 
 	drag_buffer.clear();
@@ -2544,12 +2544,12 @@ void VisualShaderEditor::_connection_request(const String &p_from, int p_from_in
 	List<VisualShader::Connection> conns;
 	visual_shader->get_node_connections(type, &conns);
 
-	for (List<VisualShader::Connection>::Element *E = conns.front(); E; E = E->next()) {
-		if (E->get().to_node == to && E->get().to_port == p_to_index) {
-			undo_redo->add_do_method(visual_shader.ptr(), "disconnect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
-			undo_redo->add_undo_method(visual_shader.ptr(), "connect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
-			undo_redo->add_do_method(graph_plugin.ptr(), "disconnect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
-			undo_redo->add_undo_method(graph_plugin.ptr(), "connect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
+	for (VisualShader::Connection &E : conns) {
+		if (E.to_node == to && E.to_port == p_to_index) {
+			undo_redo->add_do_method(visual_shader.ptr(), "disconnect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
+			undo_redo->add_undo_method(visual_shader.ptr(), "connect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
+			undo_redo->add_do_method(graph_plugin.ptr(), "disconnect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
+			undo_redo->add_undo_method(graph_plugin.ptr(), "connect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
 		}
 	}
 
@@ -2597,22 +2597,22 @@ void VisualShaderEditor::_delete_nodes(int p_type, const List<int> &p_nodes) {
 	List<VisualShader::Connection> conns;
 	visual_shader->get_node_connections(type, &conns);
 
-	for (const List<int>::Element *F = p_nodes.front(); F; F = F->next()) {
-		for (List<VisualShader::Connection>::Element *E = conns.front(); E; E = E->next()) {
-			if (E->get().from_node == F->get() || E->get().to_node == F->get()) {
-				undo_redo->add_do_method(graph_plugin.ptr(), "disconnect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
+	for (const int &F : p_nodes) {
+		for (VisualShader::Connection &E : conns) {
+			if (E.from_node == F || E.to_node == F) {
+				undo_redo->add_do_method(graph_plugin.ptr(), "disconnect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
 			}
 		}
 	}
 
 	Set<String> uniform_names;
 
-	for (const List<int>::Element *F = p_nodes.front(); F; F = F->next()) {
-		Ref<VisualShaderNode> node = visual_shader->get_node(type, F->get());
+	for (const int &F : p_nodes) {
+		Ref<VisualShaderNode> node = visual_shader->get_node(type, F);
 
-		undo_redo->add_do_method(visual_shader.ptr(), "remove_node", type, F->get());
-		undo_redo->add_undo_method(visual_shader.ptr(), "add_node", type, node, visual_shader->get_node_position(type, F->get()), F->get());
-		undo_redo->add_undo_method(graph_plugin.ptr(), "add_node", type, F->get());
+		undo_redo->add_do_method(visual_shader.ptr(), "remove_node", type, F);
+		undo_redo->add_undo_method(visual_shader.ptr(), "add_node", type, node, visual_shader->get_node_position(type, F), F);
+		undo_redo->add_undo_method(graph_plugin.ptr(), "add_node", type, F);
 
 		undo_redo->add_do_method(this, "_clear_buffer");
 		undo_redo->add_undo_method(this, "_clear_buffer");
@@ -2638,28 +2638,28 @@ void VisualShaderEditor::_delete_nodes(int p_type, const List<int> &p_nodes) {
 	}
 
 	List<VisualShader::Connection> used_conns;
-	for (const List<int>::Element *F = p_nodes.front(); F; F = F->next()) {
-		for (List<VisualShader::Connection>::Element *E = conns.front(); E; E = E->next()) {
-			if (E->get().from_node == F->get() || E->get().to_node == F->get()) {
+	for (const int &F : p_nodes) {
+		for (VisualShader::Connection &E : conns) {
+			if (E.from_node == F || E.to_node == F) {
 				bool cancel = false;
 				for (List<VisualShader::Connection>::Element *R = used_conns.front(); R; R = R->next()) {
-					if (R->get().from_node == E->get().from_node && R->get().from_port == E->get().from_port && R->get().to_node == E->get().to_node && R->get().to_port == E->get().to_port) {
+					if (R->get().from_node == E.from_node && R->get().from_port == E.from_port && R->get().to_node == E.to_node && R->get().to_port == E.to_port) {
 						cancel = true; // to avoid ERR_ALREADY_EXISTS warning
 						break;
 					}
 				}
 				if (!cancel) {
-					undo_redo->add_undo_method(visual_shader.ptr(), "connect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
-					undo_redo->add_undo_method(graph_plugin.ptr(), "connect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
-					used_conns.push_back(E->get());
+					undo_redo->add_undo_method(visual_shader.ptr(), "connect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
+					undo_redo->add_undo_method(graph_plugin.ptr(), "connect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
+					used_conns.push_back(E);
 				}
 			}
 		}
 	}
 
 	// delete nodes from the graph
-	for (const List<int>::Element *F = p_nodes.front(); F; F = F->next()) {
-		undo_redo->add_do_method(graph_plugin.ptr(), "remove_node", type, F->get());
+	for (const int &F : p_nodes) {
+		undo_redo->add_do_method(graph_plugin.ptr(), "remove_node", type, F);
 	}
 
 	// update uniform refs if any uniform has been deleted
@@ -3094,11 +3094,11 @@ void VisualShaderEditor::_notification(int p_what) {
 
 			preview_text->add_theme_color_override("background_color", background_color);
 
-			for (List<String>::Element *E = keyword_list.front(); E; E = E->next()) {
-				if (ShaderLanguage::is_control_flow_keyword(E->get())) {
-					syntax_highlighter->add_keyword_color(E->get(), control_flow_keyword_color);
+			for (String &E : keyword_list) {
+				if (ShaderLanguage::is_control_flow_keyword(E)) {
+					syntax_highlighter->add_keyword_color(E, control_flow_keyword_color);
 				} else {
-					syntax_highlighter->add_keyword_color(E->get(), keyword_color);
+					syntax_highlighter->add_keyword_color(E, keyword_color);
 				}
 			}
 
@@ -3206,9 +3206,9 @@ void VisualShaderEditor::_dup_paste_nodes(int p_type, int p_pasted_type, List<in
 	Map<int, int> connection_remap;
 	Set<int> unsupported_set;
 
-	for (List<int>::Element *E = r_nodes.front(); E; E = E->next()) {
-		connection_remap[E->get()] = id_from;
-		Ref<VisualShaderNode> node = visual_shader->get_node(pasted_type, E->get());
+	for (int &E : r_nodes) {
+		connection_remap[E] = id_from;
+		Ref<VisualShaderNode> node = visual_shader->get_node(pasted_type, E);
 
 		bool unsupported = false;
 		for (int i = 0; i < add_options.size(); i++) {
@@ -3220,13 +3220,13 @@ void VisualShaderEditor::_dup_paste_nodes(int p_type, int p_pasted_type, List<in
 			}
 		}
 		if (unsupported) {
-			unsupported_set.insert(E->get());
+			unsupported_set.insert(E);
 			continue;
 		}
 
 		Ref<VisualShaderNode> dupli = node->duplicate();
 
-		undo_redo->add_do_method(visual_shader.ptr(), "add_node", type, dupli, visual_shader->get_node_position(pasted_type, E->get()) + p_offset, id_from);
+		undo_redo->add_do_method(visual_shader.ptr(), "add_node", type, dupli, visual_shader->get_node_position(pasted_type, E) + p_offset, id_from);
 		undo_redo->add_do_method(graph_plugin.ptr(), "add_node", type, id_from);
 
 		// duplicate size, inputs and outputs if node is group
@@ -3249,19 +3249,19 @@ void VisualShaderEditor::_dup_paste_nodes(int p_type, int p_pasted_type, List<in
 	List<VisualShader::Connection> conns;
 	visual_shader->get_node_connections(pasted_type, &conns);
 
-	for (List<VisualShader::Connection>::Element *E = conns.front(); E; E = E->next()) {
-		if (unsupported_set.has(E->get().from_node) || unsupported_set.has(E->get().to_node)) {
+	for (VisualShader::Connection &E : conns) {
+		if (unsupported_set.has(E.from_node) || unsupported_set.has(E.to_node)) {
 			continue;
 		}
-		if (connection_remap.has(E->get().from_node) && connection_remap.has(E->get().to_node)) {
-			undo_redo->add_do_method(visual_shader.ptr(), "connect_nodes", type, connection_remap[E->get().from_node], E->get().from_port, connection_remap[E->get().to_node], E->get().to_port);
-			undo_redo->add_do_method(graph_plugin.ptr(), "connect_nodes", type, connection_remap[E->get().from_node], E->get().from_port, connection_remap[E->get().to_node], E->get().to_port);
-			undo_redo->add_undo_method(graph_plugin.ptr(), "disconnect_nodes", type, connection_remap[E->get().from_node], E->get().from_port, connection_remap[E->get().to_node], E->get().to_port);
+		if (connection_remap.has(E.from_node) && connection_remap.has(E.to_node)) {
+			undo_redo->add_do_method(visual_shader.ptr(), "connect_nodes", type, connection_remap[E.from_node], E.from_port, connection_remap[E.to_node], E.to_port);
+			undo_redo->add_do_method(graph_plugin.ptr(), "connect_nodes", type, connection_remap[E.from_node], E.from_port, connection_remap[E.to_node], E.to_port);
+			undo_redo->add_undo_method(graph_plugin.ptr(), "disconnect_nodes", type, connection_remap[E.from_node], E.from_port, connection_remap[E.to_node], E.to_port);
 		}
 	}
 
 	id_from = base_id;
-	for (List<int>::Element *E = r_nodes.front(); E; E = E->next()) {
+	for (int i = 0; i < r_nodes.size(); i++) {
 		undo_redo->add_undo_method(visual_shader.ptr(), "remove_node", type, id_from);
 		undo_redo->add_undo_method(graph_plugin.ptr(), "remove_node", type, id_from);
 		id_from++;
@@ -3399,17 +3399,17 @@ void VisualShaderEditor::_input_select_item(Ref<VisualShaderNodeInput> p_input,
 			if (type_changed) {
 				List<VisualShader::Connection> conns;
 				visual_shader->get_node_connections(type, &conns);
-				for (List<VisualShader::Connection>::Element *E = conns.front(); E; E = E->next()) {
-					if (E->get().from_node == id) {
-						if (visual_shader->is_port_types_compatible(p_input->get_input_type_by_name(p_name), visual_shader->get_node(type, E->get().to_node)->get_input_port_type(E->get().to_port))) {
-							undo_redo->add_do_method(visual_shader.ptr(), "connect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
-							undo_redo->add_undo_method(visual_shader.ptr(), "connect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
+				for (VisualShader::Connection &E : conns) {
+					if (E.from_node == id) {
+						if (visual_shader->is_port_types_compatible(p_input->get_input_type_by_name(p_name), visual_shader->get_node(type, E.to_node)->get_input_port_type(E.to_port))) {
+							undo_redo->add_do_method(visual_shader.ptr(), "connect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
+							undo_redo->add_undo_method(visual_shader.ptr(), "connect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
 							continue;
 						}
-						undo_redo->add_do_method(visual_shader.ptr(), "disconnect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
-						undo_redo->add_undo_method(visual_shader.ptr(), "connect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
-						undo_redo->add_do_method(graph_plugin.ptr(), "disconnect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
-						undo_redo->add_undo_method(graph_plugin.ptr(), "connect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
+						undo_redo->add_do_method(visual_shader.ptr(), "disconnect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
+						undo_redo->add_undo_method(visual_shader.ptr(), "connect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
+						undo_redo->add_do_method(graph_plugin.ptr(), "disconnect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
+						undo_redo->add_undo_method(graph_plugin.ptr(), "connect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
 					}
 				}
 			}
@@ -3445,15 +3445,15 @@ void VisualShaderEditor::_uniform_select_item(Ref<VisualShaderNodeUniformRef> p_
 			if (type_changed) {
 				List<VisualShader::Connection> conns;
 				visual_shader->get_node_connections(type, &conns);
-				for (List<VisualShader::Connection>::Element *E = conns.front(); E; E = E->next()) {
-					if (E->get().from_node == id) {
-						if (visual_shader->is_port_types_compatible(p_uniform_ref->get_uniform_type_by_name(p_name), visual_shader->get_node(type, E->get().to_node)->get_input_port_type(E->get().to_port))) {
+				for (VisualShader::Connection &E : conns) {
+					if (E.from_node == id) {
+						if (visual_shader->is_port_types_compatible(p_uniform_ref->get_uniform_type_by_name(p_name), visual_shader->get_node(type, E.to_node)->get_input_port_type(E.to_port))) {
 							continue;
 						}
-						undo_redo->add_do_method(visual_shader.ptr(), "disconnect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
-						undo_redo->add_undo_method(visual_shader.ptr(), "connect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
-						undo_redo->add_do_method(graph_plugin.ptr(), "disconnect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
-						undo_redo->add_undo_method(graph_plugin.ptr(), "connect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
+						undo_redo->add_do_method(visual_shader.ptr(), "disconnect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
+						undo_redo->add_undo_method(visual_shader.ptr(), "connect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
+						undo_redo->add_do_method(graph_plugin.ptr(), "disconnect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
+						undo_redo->add_undo_method(graph_plugin.ptr(), "connect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
 					}
 				}
 			}
@@ -4825,10 +4825,10 @@ Control *VisualShaderNodePluginDefault::create_editor(const Ref<Resource> &p_par
 
 	Vector<PropertyInfo> pinfo;
 
-	for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
+	for (PropertyInfo &E : props) {
 		for (int i = 0; i < properties.size(); i++) {
-			if (E->get().name == String(properties[i])) {
-				pinfo.push_back(E->get());
+			if (E.name == String(properties[i])) {
+				pinfo.push_back(E);
 			}
 		}
 	}
@@ -4894,9 +4894,9 @@ void EditorPropertyShaderMode::_option_selected(int p_which) {
 		VisualShader::Type type = VisualShader::Type(i);
 		List<VisualShader::Connection> conns;
 		visual_shader->get_node_connections(type, &conns);
-		for (List<VisualShader::Connection>::Element *E = conns.front(); E; E = E->next()) {
-			if (E->get().to_node == VisualShader::NODE_ID_OUTPUT) {
-				undo_redo->add_undo_method(visual_shader.ptr(), "connect_nodes", type, E->get().from_node, E->get().from_port, E->get().to_node, E->get().to_port);
+		for (VisualShader::Connection &E : conns) {
+			if (E.to_node == VisualShader::NODE_ID_OUTPUT) {
+				undo_redo->add_undo_method(visual_shader.ptr(), "connect_nodes", type, E.from_node, E.from_port, E.to_node, E.to_port);
 			}
 		}
 	}
@@ -4918,9 +4918,9 @@ void EditorPropertyShaderMode::_option_selected(int p_which) {
 	List<PropertyInfo> props;
 	visual_shader->get_property_list(&props);
 
-	for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
-		if (E->get().name.begins_with("flags/") || E->get().name.begins_with("modes/")) {
-			undo_redo->add_undo_property(visual_shader.ptr(), E->get().name, visual_shader->get(E->get().name));
+	for (PropertyInfo &E : props) {
+		if (E.name.begins_with("flags/") || E.name.begins_with("modes/")) {
+			undo_redo->add_undo_property(visual_shader.ptr(), E.name, visual_shader->get(E.name));
 		}
 	}
 
@@ -5024,8 +5024,8 @@ void VisualShaderNodePortPreview::_shader_changed() {
 		if (src_mat && src_mat->get_shader().is_valid()) {
 			List<PropertyInfo> params;
 			src_mat->get_shader()->get_param_list(&params);
-			for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
-				material->set(E->get().name, src_mat->get(E->get().name));
+			for (PropertyInfo &E : params) {
+				material->set(E.name, src_mat->get(E.name));
 			}
 		}
 	}