18 files changed, 157 insertions, 43 deletions
diff --git a/editor/debugger/editor_profiler.cpp b/editor/debugger/editor_profiler.cpp
index cf48366bd3..a882275375 100644
--- a/editor/debugger/editor_profiler.cpp
+++ b/editor/debugger/editor_profiler.cpp
@@ -104,6 +104,10 @@ void EditorProfiler::clear() {
 	updating_frame = false;
 	hover_metric = -1;
 	seeking = false;
+
+	// Ensure button text (start, stop) is correct
+	_set_button_text();
+	emit_signal(SNAME("enable_profiling"), activate->is_pressed());
 }
 
 static String _get_percent_txt(float p_value, float p_total) {
@@ -374,15 +378,23 @@ void EditorProfiler::_update_frame() {
 	updating_frame = false;
 }
 
-void EditorProfiler::_activate_pressed() {
+void EditorProfiler::_set_button_text() {
 	if (activate->is_pressed()) {
 		activate->set_icon(get_theme_icon(SNAME("Stop"), SNAME("EditorIcons")));
 		activate->set_text(TTR("Stop"));
-		_clear_pressed();
 	} else {
 		activate->set_icon(get_theme_icon(SNAME("Play"), SNAME("EditorIcons")));
 		activate->set_text(TTR("Start"));
 	}
+}
+
+void EditorProfiler::_activate_pressed() {
+	_set_button_text();
+
+	if (activate->is_pressed()) {
+		_clear_pressed();
+	}
+
 	emit_signal(SNAME("enable_profiling"), activate->is_pressed());
 }
 
@@ -499,8 +511,12 @@ void EditorProfiler::_bind_methods() {
 	ADD_SIGNAL(MethodInfo("break_request"));
 }
 
-void EditorProfiler::set_enabled(bool p_enable) {
+void EditorProfiler::set_enabled(bool p_enable, bool p_clear) {
+	activate->set_pressed(false);
 	activate->set_disabled(!p_enable);
+	if (p_clear) {
+		clear();
+	}
 }
 
 bool EditorProfiler::is_profiling() {
diff --git a/editor/debugger/editor_profiler.h b/editor/debugger/editor_profiler.h
index df92125258..e9ecc285ed 100644
--- a/editor/debugger/editor_profiler.h
+++ b/editor/debugger/editor_profiler.h
@@ -122,6 +122,7 @@ private:
 	Timer *frame_delay = nullptr;
 	Timer *plot_delay = nullptr;
 
+	void _set_button_text();
 	void _update_frame();
 
 	void _activate_pressed();
@@ -153,7 +154,7 @@ protected:
 
 public:
 	void add_frame_metric(const Metric &p_metric, bool p_final = false);
-	void set_enabled(bool p_enable);
+	void set_enabled(bool p_enable, bool p_clear = true);
 	bool is_profiling();
 	bool is_seeking() { return seeking; }
 	void disable_seeking();
diff --git a/editor/debugger/script_editor_debugger.cpp b/editor/debugger/script_editor_debugger.cpp
index 5baa9970af..6bc1536cb9 100644
--- a/editor/debugger/script_editor_debugger.cpp
+++ b/editor/debugger/script_editor_debugger.cpp
@@ -52,7 +52,6 @@
 #include "editor/plugins/node_3d_editor_plugin.h"
 #include "main/performance.h"
 #include "scene/3d/camera_3d.h"
-#include "scene/debugger/scene_debugger.h"
 #include "scene/gui/dialogs.h"
 #include "scene/gui/label.h"
 #include "scene/gui/line_edit.h"
@@ -317,7 +316,7 @@ void ScriptEditorDebugger::_parse_message(const String &p_msg, const Array &p_da
 		if (!error.is_empty()) {
 			tabs->set_current_tab(0);
 		}
-		profiler->set_enabled(false);
+		profiler->set_enabled(false, false);
 		inspector->clear_cache(); // Take a chance to force remote objects update.
 
 	} else if (p_msg == "debug_exit") {
@@ -327,7 +326,7 @@ void ScriptEditorDebugger::_parse_message(const String &p_msg, const Array &p_da
 		_update_buttons_state();
 		_set_reason_text(TTR("Execution resumed."), MESSAGE_SUCCESS);
 		emit_signal(SNAME("breaked"), false, false, "", false);
-		profiler->set_enabled(true);
+		profiler->set_enabled(true, false);
 		profiler->disable_seeking();
 	} else if (p_msg == "set_pid") {
 		ERR_FAIL_COND(p_data.size() < 1);
@@ -916,6 +915,8 @@ void ScriptEditorDebugger::start(Ref<RemoteDebuggerPeer> p_peer) {
 	_clear_errors_list();
 	stop();
 
+	profiler->set_enabled(true, true);
+
 	peer = p_peer;
 	ERR_FAIL_COND(p_peer.is_null());
 
@@ -971,6 +972,8 @@ void ScriptEditorDebugger::stop() {
 	res_path_cache.clear();
 	profiler_signature.clear();
 
+	profiler->set_enabled(true, false);
+
 	inspector->edit(nullptr);
 	_update_buttons_state();
 }
diff --git a/editor/editor_help_search.cpp b/editor/editor_help_search.cpp
index 129ad4d33b..7e7d7ca418 100644
--- a/editor/editor_help_search.cpp
+++ b/editor/editor_help_search.cpp
@@ -326,6 +326,7 @@ bool EditorHelpSearch::Runner::_phase_match_classes_init() {
 bool EditorHelpSearch::Runner::_phase_match_classes() {
 	DocData::ClassDoc &class_doc = iterator_doc->value;
 	if (class_doc.name.is_empty()) {
+		++iterator_doc;
 		return false;
 	}
 	if (!_is_class_disabled_by_feature_profile(class_doc.name)) {
@@ -432,7 +433,7 @@ bool EditorHelpSearch::Runner::_phase_class_items_init() {
 
 bool EditorHelpSearch::Runner::_phase_class_items() {
 	if (!iterator_match) {
-		return false;
+		return true;
 	}
 	ClassMatch &match = iterator_match->value;
 
@@ -459,10 +460,8 @@ bool EditorHelpSearch::Runner::_phase_member_items_init() {
 bool EditorHelpSearch::Runner::_phase_member_items() {
 	ClassMatch &match = iterator_match->value;
 
-	if (!match.doc) {
-		return false;
-	}
-	if (match.doc->name.is_empty()) {
+	if (!match.doc || match.doc->name.is_empty()) {
+		++iterator_match;
 		return false;
 	}
 
diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index 9dc4c2c953..804722299c 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -6750,8 +6750,10 @@ EditorNode::EditorNode() {
 
 	project_menu->add_separator();
 	project_menu->add_shortcut(ED_SHORTCUT_AND_COMMAND("editor/export", TTR("Export..."), Key::NONE, TTR("Export")), FILE_EXPORT_PROJECT);
+#ifndef ANDROID_ENABLED
 	project_menu->add_item(TTR("Install Android Build Template..."), FILE_INSTALL_ANDROID_SOURCE);
 	project_menu->add_item(TTR("Open User Data Folder"), RUN_USER_DATA_FOLDER);
+#endif
 
 	project_menu->add_separator();
 	project_menu->add_item(TTR("Customize Engine Build Configuration..."), TOOLS_BUILD_PROFILE_MANAGER);
@@ -6814,12 +6816,14 @@ EditorNode::EditorNode() {
 
 	settings_menu->set_item_tooltip(-1, TTR("Screenshots are stored in the Editor Data/Settings Folder."));
 
+#ifndef ANDROID_ENABLED
 	ED_SHORTCUT_AND_COMMAND("editor/fullscreen_mode", TTR("Toggle Fullscreen"), KeyModifierMask::SHIFT | Key::F11);
 	ED_SHORTCUT_OVERRIDE("editor/fullscreen_mode", "macos", KeyModifierMask::META | KeyModifierMask::CTRL | Key::F);
 	settings_menu->add_shortcut(ED_GET_SHORTCUT("editor/fullscreen_mode"), SETTINGS_TOGGLE_FULLSCREEN);
-
+#endif
 	settings_menu->add_separator();
 
+#ifndef ANDROID_ENABLED
 	if (OS::get_singleton()->get_data_path() == OS::get_singleton()->get_config_path()) {
 		// Configuration and data folders are located in the same place (Windows/MacOS).
 		settings_menu->add_item(TTR("Open Editor Data/Settings Folder"), SETTINGS_EDITOR_DATA_FOLDER);
@@ -6829,9 +6833,12 @@ EditorNode::EditorNode() {
 		settings_menu->add_item(TTR("Open Editor Settings Folder"), SETTINGS_EDITOR_CONFIG_FOLDER);
 	}
 	settings_menu->add_separator();
+#endif
 
 	settings_menu->add_item(TTR("Manage Editor Features..."), SETTINGS_MANAGE_FEATURE_PROFILES);
+#ifndef ANDROID_ENABLED
 	settings_menu->add_item(TTR("Manage Export Templates..."), SETTINGS_MANAGE_EXPORT_TEMPLATES);
+#endif
 
 	help_menu = memnew(PopupMenu);
 	help_menu->set_name(TTR("Help"));
diff --git a/editor/editor_undo_redo_manager.cpp b/editor/editor_undo_redo_manager.cpp
index eca2b3143b..8c04a4d595 100644
--- a/editor/editor_undo_redo_manager.cpp
+++ b/editor/editor_undo_redo_manager.cpp
@@ -124,7 +124,7 @@ void EditorUndoRedoManager::create_action(const String &p_name, UndoRedo::MergeM
 	create_action_for_history(p_name, INVALID_HISTORY, p_mode);
 
 	if (p_custom_context) {
-		// This assigns context to pending action.
+		// This assigns history to pending action.
 		get_history_for_object(p_custom_context);
 	}
 }
@@ -218,7 +218,10 @@ void EditorUndoRedoManager::add_undo_reference(Object *p_object) {
 }
 
 void EditorUndoRedoManager::commit_action(bool p_execute) {
-	ERR_FAIL_COND(pending_action.history_id == INVALID_HISTORY);
+	if (pending_action.history_id == INVALID_HISTORY) {
+		return; // Empty action, do nothing.
+	}
+
 	is_committing = true;
 
 	History &history = get_or_create_history(pending_action.history_id);
diff --git a/editor/export/editor_export_platform.cpp b/editor/export/editor_export_platform.cpp
index 2a444bb04f..bcc85570ed 100644
--- a/editor/export/editor_export_platform.cpp
+++ b/editor/export/editor_export_platform.cpp
@@ -1619,21 +1619,24 @@ void EditorExportPlatform::gen_export_flags(Vector<String> &r_flags, int p_flags
 }
 
 bool EditorExportPlatform::can_export(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates) const {
+	bool valid = true;
+#ifndef ANDROID_ENABLED
 	String templates_error;
-	bool valid_export_configuration = has_valid_export_configuration(p_preset, templates_error, r_missing_templates);
-
-	String project_configuration_error;
-	bool valid_project_configuration = has_valid_project_configuration(p_preset, project_configuration_error);
+	valid = valid && has_valid_export_configuration(p_preset, templates_error, r_missing_templates);
 
 	if (!templates_error.is_empty()) {
 		r_error += templates_error;
 	}
+#endif
+
+	String project_configuration_error;
+	valid = valid && has_valid_project_configuration(p_preset, project_configuration_error);
 
 	if (!project_configuration_error.is_empty()) {
 		r_error += project_configuration_error;
 	}
 
-	return valid_export_configuration && valid_project_configuration;
+	return valid;
 }
 
 EditorExportPlatform::EditorExportPlatform() {
diff --git a/editor/export/project_export.cpp b/editor/export/project_export.cpp
index 00a0e08d3a..8c67885971 100644
--- a/editor/export/project_export.cpp
+++ b/editor/export/project_export.cpp
@@ -932,8 +932,10 @@ void ProjectExportDialog::_export_project_to_path(const String &p_path) {
 }
 
 void ProjectExportDialog::_export_all_dialog() {
+#ifndef ANDROID_ENABLED
 	export_all_dialog->show();
 	export_all_dialog->popup_centered(Size2(300, 80));
+#endif
 }
 
 void ProjectExportDialog::_export_all_dialog_action(const String &p_str) {
@@ -1194,11 +1196,16 @@ ProjectExportDialog::ProjectExportDialog() {
 
 	set_cancel_button_text(TTR("Close"));
 	set_ok_button_text(TTR("Export PCK/ZIP..."));
+	get_ok_button()->set_disabled(true);
+#ifdef ANDROID_ENABLED
+	export_button = memnew(Button);
+	export_button->hide();
+#else
 	export_button = add_button(TTR("Export Project..."), !DisplayServer::get_singleton()->get_swap_cancel_ok(), "export");
+#endif
 	export_button->connect("pressed", callable_mp(this, &ProjectExportDialog::_export_project));
 	// Disable initially before we select a valid preset
 	export_button->set_disabled(true);
-	get_ok_button()->set_disabled(true);
 
 	export_all_dialog = memnew(ConfirmationDialog);
 	add_child(export_all_dialog);
@@ -1208,8 +1215,14 @@ ProjectExportDialog::ProjectExportDialog() {
 	export_all_dialog->add_button(TTR("Debug"), true, "debug");
 	export_all_dialog->add_button(TTR("Release"), true, "release");
 	export_all_dialog->connect("custom_action", callable_mp(this, &ProjectExportDialog::_export_all_dialog_action));
+#ifdef ANDROID_ENABLED
+	export_all_dialog->hide();
 
+	export_all_button = memnew(Button);
+	export_all_button->hide();
+#else
 	export_all_button = add_button(TTR("Export All..."), !DisplayServer::get_singleton()->get_swap_cancel_ok(), "export");
+#endif
 	export_all_button->connect("pressed", callable_mp(this, &ProjectExportDialog::_export_all_dialog));
 	export_all_button->set_disabled(true);
 
diff --git a/editor/icons/PreviewEnvironment.svg b/editor/icons/PreviewEnvironment.svg
new file mode 100644
index 0000000000..e0b0257daf
--- /dev/null
+++ b/editor/icons/PreviewEnvironment.svg
@@ -0,0 +1 @@
+<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><g fill="#e0e0e0" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"><path d="m8 1a7 7 0 0 0 -7 7 7 7 0 0 0 7 7 7 7 0 0 0 7-7 7 7 0 0 0 -7-7zm-1.7305 2.3125c-.83125 1.5372-1.2685 3.1037-1.2695 4.6816-.64057-.11251-1.3005-.27158-1.9766-.47266a5 5 0 0 1 3.2461-4.209zm3.4629.00391a5 5 0 0 1 3.2383 4.1875c-.65187.17448-1.3077.32867-1.9727.44922-.0084-1.5627-.44294-3.1141-1.2656-4.6367zm-1.7324.0078088c1.0126 1.593 1.5 3.1425 1.5 4.6758 0 .054042-.00662.10803-.00781.16211-.96392.096801-1.9566.1103-2.9844.027344-.00163-.063192-.00781-.12632-.00781-.18945 0-1.5333.48744-3.0828 1.5-4.6758zm4.8789 5.7578a5 5 0 0 1 -3.1484 3.6055002c.57106-1.0564.95277-2.1268 1.1367-3.2051002.68204-.10905 1.3556-.23789 2.0117-.40039zm-9.7461.033203c.68377.18153 1.3555.33345 2.0098.43164.18781 1.0551002.56647 2.1026002 1.125 3.1367002a5 5 0 0 1 -3.1348-3.5684002zm6.168.55469c-.22615.9886602-.65424 1.9884002-1.3008 3.0059002-.63811-1.0042-1.0645-1.9908-1.293-2.9668002.89027.054126 1.7517.029377 2.5938-.039062z"/><path d="m8 1v2.3242c1.0126 1.593 1.5 3.1425 1.5 4.6758 0 .054042-.00662.10803-.00781.16211-.4894.049148-.98713.077552-1.4922.082031v1.4922c.43915-.0076.87287-.031628 1.3008-.066406-.22615.98866-.65424 1.9884-1.3008 3.0059v2.3242a7 7 0 0 0 7.000001-7 7 7 0 0 0 -7.000001-7zm1.7324 2.3164a5 5 0 0 1 3.2383 4.1875c-.65187.17448-1.3077.32867-1.9727.44922-.00845-1.5627-.44294-3.1141-1.2656-4.6367zm3.1465 5.7656a5 5 0 0 1 -3.1484 3.6055c.57106-1.0564.95277-2.1268 1.1367-3.2051.68204-.10905 1.3556-.23789 2.0117-.40039z"/></g></svg>
diff --git a/editor/icons/PreviewSun.svg b/editor/icons/PreviewSun.svg
new file mode 100644
index 0000000000..a8c652be65
--- /dev/null
+++ b/editor/icons/PreviewSun.svg
@@ -0,0 +1 @@
+<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><path d="m7 1v3h2v-3zm-2.5352 2.0508-1.4141 1.4141 1.4141 1.4141 1.4141-1.4141zm7.0703 0-1.4141 1.4141 1.4141 1.4141 1.4141-1.4141zm-3.5352 1.9492c-1.6569 0-3 1.3432-3 3s1.3431 3 3 3 3-1.3432 3-3-1.3431-3-3-3zm-7 2v2h3v-2zm11 0v2h3v-2zm-7.5352 3.1211-1.4141 1.4141 1.4141 1.4141 1.4141-1.4141zm7.0703 0-1.4141 1.4141 1.4141 1.4141 1.4141-1.4141zm-4.5352 1.8789v3h2v-3z" fill="#e0e0e0"/></svg>
diff --git a/editor/plugins/animation_blend_tree_editor_plugin.cpp b/editor/plugins/animation_blend_tree_editor_plugin.cpp
index f1e6c70549..f4b8646e18 100644
--- a/editor/plugins/animation_blend_tree_editor_plugin.cpp
+++ b/editor/plugins/animation_blend_tree_editor_plugin.cpp
@@ -907,6 +907,10 @@ void AnimationNodeBlendTreeEditor::_bind_methods() {
 AnimationNodeBlendTreeEditor *AnimationNodeBlendTreeEditor::singleton = nullptr;
 
 void AnimationNodeBlendTreeEditor::_node_renamed(const String &p_text, Ref<AnimationNode> p_node) {
+	if (blend_tree.is_null()) {
+		return;
+	}
+
 	String prev_name = blend_tree->get_node_name(p_node);
 	ERR_FAIL_COND(prev_name.is_empty());
 	GraphNode *gn = Object::cast_to<GraphNode>(graph->get_node(prev_name));
diff --git a/editor/plugins/node_3d_editor_plugin.cpp b/editor/plugins/node_3d_editor_plugin.cpp
index 34d2cc3cd4..c8b49678d2 100644
--- a/editor/plugins/node_3d_editor_plugin.cpp
+++ b/editor/plugins/node_3d_editor_plugin.cpp
@@ -5516,8 +5516,8 @@ Dictionary Node3DEditor::get_state() const {
 		pd["sun_color"] = sun_color->get_pick_color();
 		pd["sun_energy"] = sun_energy->get_value();
 
-		pd["sun_disabled"] = sun_button->is_pressed();
-		pd["environ_disabled"] = environ_button->is_pressed();
+		pd["sun_enabled"] = sun_button->is_pressed();
+		pd["environ_enabled"] = environ_button->is_pressed();
 
 		d["preview_sun_env"] = pd;
 	}
@@ -5648,8 +5648,8 @@ void Node3DEditor::set_state(const Dictionary &p_state) {
 		sun_color->set_pick_color(pd["sun_color"]);
 		sun_energy->set_value(pd["sun_energy"]);
 
-		sun_button->set_pressed(pd["sun_disabled"]);
-		environ_button->set_pressed(pd["environ_disabled"]);
+		sun_button->set_pressed(pd["sun_enabled"]);
+		environ_button->set_pressed(pd["environ_enabled"]);
 
 		sun_environ_updating = false;
 
@@ -5657,8 +5657,8 @@ void Node3DEditor::set_state(const Dictionary &p_state) {
 		_update_preview_environment();
 	} else {
 		_load_default_preview_settings();
-		sun_button->set_pressed(false);
-		environ_button->set_pressed(false);
+		sun_button->set_pressed(true);
+		environ_button->set_pressed(true);
 		_preview_settings_changed();
 		_update_preview_environment();
 	}
@@ -7159,8 +7159,8 @@ void Node3DEditor::_update_theme() {
 	view_menu->get_popup()->set_item_icon(view_menu->get_popup()->get_item_index(MENU_VIEW_USE_3_VIEWPORTS_ALT), get_theme_icon(SNAME("Panels3Alt"), SNAME("EditorIcons")));
 	view_menu->get_popup()->set_item_icon(view_menu->get_popup()->get_item_index(MENU_VIEW_USE_4_VIEWPORTS), get_theme_icon(SNAME("Panels4"), SNAME("EditorIcons")));
 
-	sun_button->set_icon(get_theme_icon(SNAME("DirectionalLight3D"), SNAME("EditorIcons")));
-	environ_button->set_icon(get_theme_icon(SNAME("WorldEnvironment"), SNAME("EditorIcons")));
+	sun_button->set_icon(get_theme_icon(SNAME("PreviewSun"), SNAME("EditorIcons")));
+	environ_button->set_icon(get_theme_icon(SNAME("PreviewEnvironment"), SNAME("EditorIcons")));
 	sun_environ_settings->set_icon(get_theme_icon(SNAME("GuiTabMenuHl"), SNAME("EditorIcons")));
 
 	sun_title->add_theme_font_override("font", get_theme_font(SNAME("title_font"), SNAME("Window")));
@@ -7636,7 +7636,7 @@ void Node3DEditor::_load_default_preview_settings() {
 }
 
 void Node3DEditor::_update_preview_environment() {
-	bool disable_light = directional_light_count > 0 || sun_button->is_pressed();
+	bool disable_light = directional_light_count > 0 || !sun_button->is_pressed();
 
 	sun_button->set_disabled(directional_light_count > 0);
 
@@ -7664,7 +7664,7 @@ void Node3DEditor::_update_preview_environment() {
 	sun_angle_altitude->set_value(-Math::rad_to_deg(sun_rotation.x));
 	sun_angle_azimuth->set_value(180.0 - Math::rad_to_deg(sun_rotation.y));
 
-	bool disable_env = world_env_count > 0 || environ_button->is_pressed();
+	bool disable_env = world_env_count > 0 || !environ_button->is_pressed();
 
 	environ_button->set_disabled(world_env_count > 0);
 
@@ -7855,6 +7855,8 @@ Node3DEditor::Node3DEditor() {
 	sun_button->set_flat(true);
 	sun_button->connect("pressed", callable_mp(this, &Node3DEditor::_update_preview_environment), CONNECT_DEFERRED);
 	sun_button->set_disabled(true);
+	// Preview is enabled by default - ensure this applies on editor startup when there is no state yet.
+	sun_button->set_pressed(true);
 
 	main_menu_hbox->add_child(sun_button);
 
@@ -7864,6 +7866,8 @@ Node3DEditor::Node3DEditor() {
 	environ_button->set_flat(true);
 	environ_button->connect("pressed", callable_mp(this, &Node3DEditor::_update_preview_environment), CONNECT_DEFERRED);
 	environ_button->set_disabled(true);
+	// Preview is enabled by default - ensure this applies on editor startup when there is no state yet.
+	environ_button->set_pressed(true);
 
 	main_menu_hbox->add_child(environ_button);
 
diff --git a/editor/plugins/shader_editor_plugin.h b/editor/plugins/shader_editor_plugin.h
index afd38ef71a..f48b2fc70e 100644
--- a/editor/plugins/shader_editor_plugin.h
+++ b/editor/plugins/shader_editor_plugin.h
@@ -115,8 +115,8 @@ public:
 	ShaderTextEditor();
 };
 
-class ShaderEditor : public PanelContainer {
-	GDCLASS(ShaderEditor, PanelContainer);
+class ShaderEditor : public MarginContainer {
+	GDCLASS(ShaderEditor, MarginContainer);
 
 	enum {
 		EDIT_UNDO,
diff --git a/editor/plugins/tiles/tile_map_editor.cpp b/editor/plugins/tiles/tile_map_editor.cpp
index a91f22ccd0..79230891f1 100644
--- a/editor/plugins/tiles/tile_map_editor.cpp
+++ b/editor/plugins/tiles/tile_map_editor.cpp
@@ -3677,6 +3677,7 @@ void TileMapEditor::_update_layers_selection() {
 		tile_map_layer = -1;
 	}
 	tile_map->set_selected_layer(toggle_highlight_selected_layer_button->is_pressed() ? tile_map_layer : -1);
+	tileset_changed_needs_update = false; // Update is not needed here and actually causes problems.
 
 	layers_selection_button->clear();
 	if (tile_map->get_layers_count() > 0) {
diff --git a/editor/plugins/version_control_editor_plugin.cpp b/editor/plugins/version_control_editor_plugin.cpp
index 761140b2d5..336ce9e4c8 100644
--- a/editor/plugins/version_control_editor_plugin.cpp
+++ b/editor/plugins/version_control_editor_plugin.cpp
@@ -1124,6 +1124,8 @@ VersionControlEditorPlugin::VersionControlEditorPlugin() {
 	set_up_password->connect(SNAME("text_changed"), callable_mp(this, &VersionControlEditorPlugin::_update_set_up_warning));
 	set_up_password_input->add_child(set_up_password);
 
+	const String home_dir = OS::get_singleton()->has_environment("HOME") ? OS::get_singleton()->get_environment("HOME") : OS::get_singleton()->get_system_dir(OS::SYSTEM_DIR_DOCUMENTS);
+
 	HBoxContainer *set_up_ssh_public_key_input = memnew(HBoxContainer);
 	set_up_ssh_public_key_input->set_h_size_flags(Control::SIZE_EXPAND_FILL);
 	set_up_settings_vbc->add_child(set_up_ssh_public_key_input);
@@ -1147,10 +1149,7 @@ VersionControlEditorPlugin::VersionControlEditorPlugin() {
 	set_up_ssh_public_key_file_dialog->set_access(FileDialog::ACCESS_FILESYSTEM);
 	set_up_ssh_public_key_file_dialog->set_file_mode(FileDialog::FILE_MODE_OPEN_FILE);
 	set_up_ssh_public_key_file_dialog->set_show_hidden_files(true);
-	// TODO: Make this start at the user's home folder
-	Ref<DirAccess> d = DirAccess::open(OS::get_singleton()->get_system_dir(OS::SYSTEM_DIR_DOCUMENTS));
-	d->change_dir("../");
-	set_up_ssh_public_key_file_dialog->set_current_dir(d->get_current_dir());
+	set_up_ssh_public_key_file_dialog->set_current_dir(home_dir);
 	set_up_ssh_public_key_file_dialog->connect(SNAME("file_selected"), callable_mp(this, &VersionControlEditorPlugin::_ssh_public_key_selected));
 	set_up_ssh_public_key_input_hbc->add_child(set_up_ssh_public_key_file_dialog);
 
@@ -1183,8 +1182,7 @@ VersionControlEditorPlugin::VersionControlEditorPlugin() {
 	set_up_ssh_private_key_file_dialog->set_access(FileDialog::ACCESS_FILESYSTEM);
 	set_up_ssh_private_key_file_dialog->set_file_mode(FileDialog::FILE_MODE_OPEN_FILE);
 	set_up_ssh_private_key_file_dialog->set_show_hidden_files(true);
-	// TODO: Make this start at the user's home folder
-	set_up_ssh_private_key_file_dialog->set_current_dir(d->get_current_dir());
+	set_up_ssh_private_key_file_dialog->set_current_dir(home_dir);
 	set_up_ssh_private_key_file_dialog->connect("file_selected", callable_mp(this, &VersionControlEditorPlugin::_ssh_private_key_selected));
 	set_up_ssh_private_key_input_hbc->add_child(set_up_ssh_private_key_file_dialog);
 
diff --git a/editor/plugins/visual_shader_editor_plugin.cpp b/editor/plugins/visual_shader_editor_plugin.cpp
index 2af8da02a3..ee8148f00a 100644
--- a/editor/plugins/visual_shader_editor_plugin.cpp
+++ b/editor/plugins/visual_shader_editor_plugin.cpp
@@ -5198,9 +5198,9 @@ VisualShaderEditor::VisualShaderEditor() {
 	add_options.push_back(AddOption("Tangent", "Input/Fragment", "VisualShaderNodeInput", vformat(input_param_for_vertex_and_fragment_shader_modes, "tangent", "TANGENT"), { "tangent" }, VisualShaderNode::PORT_TYPE_VECTOR_3D, TYPE_FLAGS_FRAGMENT, Shader::MODE_SPATIAL));
 	add_options.push_back(AddOption("Vertex", "Input/Fragment", "VisualShaderNodeInput", vformat(input_param_for_vertex_and_fragment_shader_modes, "vertex", "VERTEX"), { "vertex" }, VisualShaderNode::PORT_TYPE_VECTOR_3D, TYPE_FLAGS_FRAGMENT, Shader::MODE_SPATIAL));
 	add_options.push_back(AddOption("View", "Input/Fragment", "VisualShaderNodeInput", vformat(input_param_for_fragment_and_light_shader_modes, "view", "VIEW"), { "view" }, VisualShaderNode::PORT_TYPE_VECTOR_3D, TYPE_FLAGS_FRAGMENT, Shader::MODE_SPATIAL));
-	add_options.push_back(AddOption("ViewIndex", "Input/Vertex", "VisualShaderNodeInput", vformat(input_param_for_vertex_and_fragment_shader_modes, "view_index", "VIEW_INDEX"), { "view_index" }, VisualShaderNode::PORT_TYPE_SCALAR_INT, TYPE_FLAGS_FRAGMENT, Shader::MODE_SPATIAL));
-	add_options.push_back(AddOption("ViewMonoLeft", "Input/Vertex", "VisualShaderNodeInput", vformat(input_param_for_vertex_and_fragment_shader_modes, "view_mono_left", "VIEW_MONO_LEFT"), { "view_mono_left" }, VisualShaderNode::PORT_TYPE_SCALAR_INT, TYPE_FLAGS_FRAGMENT, Shader::MODE_SPATIAL));
-	add_options.push_back(AddOption("ViewRight", "Input/Vertex", "VisualShaderNodeInput", vformat(input_param_for_vertex_and_fragment_shader_modes, "view_right", "VIEW_RIGHT"), { "view_right" }, VisualShaderNode::PORT_TYPE_SCALAR_INT, TYPE_FLAGS_FRAGMENT, Shader::MODE_SPATIAL));
+	add_options.push_back(AddOption("ViewIndex", "Input/Fragment", "VisualShaderNodeInput", vformat(input_param_for_vertex_and_fragment_shader_modes, "view_index", "VIEW_INDEX"), { "view_index" }, VisualShaderNode::PORT_TYPE_SCALAR_INT, TYPE_FLAGS_FRAGMENT, Shader::MODE_SPATIAL));
+	add_options.push_back(AddOption("ViewMonoLeft", "Input/Fragment", "VisualShaderNodeInput", vformat(input_param_for_vertex_and_fragment_shader_modes, "view_mono_left", "VIEW_MONO_LEFT"), { "view_mono_left" }, VisualShaderNode::PORT_TYPE_SCALAR_INT, TYPE_FLAGS_FRAGMENT, Shader::MODE_SPATIAL));
+	add_options.push_back(AddOption("ViewRight", "Input/Fragment", "VisualShaderNodeInput", vformat(input_param_for_vertex_and_fragment_shader_modes, "view_right", "VIEW_RIGHT"), { "view_right" }, VisualShaderNode::PORT_TYPE_SCALAR_INT, TYPE_FLAGS_FRAGMENT, Shader::MODE_SPATIAL));
 	add_options.push_back(AddOption("NodePositionWorld", "Input/Fragment", "VisualShaderNodeInput", vformat(input_param_for_vertex_and_fragment_shader_modes, "node_position_world", "NODE_POSITION_WORLD"), { "node_position_world" }, VisualShaderNode::PORT_TYPE_VECTOR_3D, TYPE_FLAGS_FRAGMENT, Shader::MODE_SPATIAL));
 	add_options.push_back(AddOption("CameraPositionWorld", "Input/Fragment", "VisualShaderNodeInput", vformat(input_param_for_vertex_and_fragment_shader_modes, "camera_position_world", "CAMERA_POSITION_WORLD"), { "camera_position_world" }, VisualShaderNode::PORT_TYPE_VECTOR_3D, TYPE_FLAGS_FRAGMENT, Shader::MODE_SPATIAL));
 	add_options.push_back(AddOption("CameraDirectionWorld", "Input/Fragment", "VisualShaderNodeInput", vformat(input_param_for_vertex_and_fragment_shader_modes, "camera_direction_world", "CAMERA_DIRECTION_WORLD"), { "camera_direction_world" }, VisualShaderNode::PORT_TYPE_VECTOR_3D, TYPE_FLAGS_FRAGMENT, Shader::MODE_SPATIAL));
diff --git a/editor/project_manager.cpp b/editor/project_manager.cpp
index a644babfc2..f11874a994 100644
--- a/editor/project_manager.cpp
+++ b/editor/project_manager.cpp
@@ -59,6 +59,8 @@
 #include "servers/navigation_server_3d.h"
 #include "servers/physics_server_2d.h"
 
+constexpr int GODOT4_CONFIG_VERSION = 5;
+
 class ProjectDialog : public ConfirmationDialog {
 	GDCLASS(ProjectDialog, ConfirmationDialog);
 
@@ -1065,6 +1067,7 @@ public:
 	int refresh_project(const String &dir_path);
 	void add_project(const String &dir_path, bool favorite);
 	void save_config();
+	void set_project_version(const String &p_project_path, int version);
 
 private:
 	static void _bind_methods();
@@ -1673,6 +1676,15 @@ void ProjectList::save_config() {
 	_config.save(_config_path);
 }
 
+void ProjectList::set_project_version(const String &p_project_path, int p_version) {
+	for (ProjectList::Item &E : _projects) {
+		if (E.path == p_project_path) {
+			E.version = p_version;
+			break;
+		}
+	}
+}
+
 int ProjectList::get_project_count() const {
 	return _projects.size();
 }
@@ -2170,6 +2182,9 @@ void ProjectManager::_open_selected_projects_ask() {
 
 	Label *ask_update_label = ask_update_settings->get_label();
 	ask_update_label->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_LEFT); // Reset in case of previous center align.
+	full_convert_button->hide();
+
+	ask_update_settings->get_ok_button()->set_text("OK");
 
 	// Check if the config_version property was empty or 0
 	if (config_version == 0) {
@@ -2179,7 +2194,11 @@ void ProjectManager::_open_selected_projects_ask() {
 	}
 	// Check if we need to convert project settings from an earlier engine version
 	if (config_version < ProjectSettings::CONFIG_VERSION) {
-		ask_update_settings->set_text(vformat(TTR("The following project settings file was generated by an older engine version, and needs to be converted for this version:\n\n%s\n\nDo you want to convert it?\nWarning: You won't be able to open the project with previous versions of the engine anymore."), conf));
+		if (config_version == GODOT4_CONFIG_VERSION - 1 && ProjectSettings::CONFIG_VERSION == GODOT4_CONFIG_VERSION) { // Conversion from Godot 3 to 4.
+			full_convert_button->show();
+		}
+		ask_update_settings->set_text(vformat(TTR("The following project settings file was generated by an older engine version, and needs to be converted for this version:\n\n%s\n\nDo you want to convert it? You can also convert the entire project (recommended if you are upgrading).\nWarning: You won't be able to open the project with previous versions of the engine anymore."), conf));
+		ask_update_settings->get_ok_button()->set_text(TTR("Convert project.godot"));
 		ask_update_settings->popup_centered();
 		return;
 	}
@@ -2223,6 +2242,32 @@ void ProjectManager::_open_selected_projects_ask() {
 	_open_selected_projects();
 }
 
+void ProjectManager::_perform_full_project_conversion() {
+	Vector<ProjectList::Item> selected_list = _project_list->get_selected_projects();
+	if (selected_list.is_empty()) {
+		return;
+	}
+
+	const String &path = selected_list[0].path;
+
+	print_line("Converting project: " + path);
+
+	Ref<ConfigFile> cf;
+	cf.instantiate();
+	cf->load(path.path_join("project.godot"));
+	cf->set_value("", "config_version", GODOT4_CONFIG_VERSION);
+	cf->save(path.path_join("project.godot"));
+	_project_list->set_project_version(path, GODOT4_CONFIG_VERSION);
+
+	List<String> args;
+	args.push_back("--path");
+	args.push_back(path);
+	args.push_back("--convert-3to4");
+
+	Error err = OS::get_singleton()->create_instance(args);
+	ERR_FAIL_COND(err);
+}
+
 void ProjectManager::_run_project_confirm() {
 	Vector<ProjectList::Item> selected_list = _project_list->get_selected_projects();
 
@@ -2825,8 +2870,20 @@ ProjectManager::ProjectManager() {
 
 		ask_update_settings = memnew(ConfirmationDialog);
 		ask_update_settings->get_ok_button()->connect("pressed", callable_mp(this, &ProjectManager::_confirm_update_settings));
+		full_convert_button = ask_update_settings->add_button("Perform Full Project Conversion", false);
 		add_child(ask_update_settings);
 
+		ask_full_convert_dialog = memnew(ConfirmationDialog);
+		ask_full_convert_dialog->set_autowrap(true);
+		ask_full_convert_dialog->set_text(TTR(R"(This option will perform full project conversion, updating scenes and scripts from Godot 3.x to work in Godot 4.0. Note that this is a best-effort conversion, i.e. it makes upgrading the project easier, but it will not open out-of-the-box and will still require manual adjustments.
+
+IMPORTANT: Make sure to backup your project before converting, as this operation makes it impossible to open in older versions of Godot.)"));
+		ask_full_convert_dialog->connect("confirmed", callable_mp(this, &ProjectManager::_perform_full_project_conversion));
+		add_child(ask_full_convert_dialog);
+
+		full_convert_button->connect("pressed", callable_mp((Window *)ask_update_settings, &ConfirmationDialog::hide));
+		full_convert_button->connect("pressed", callable_mp((Window *)ask_full_convert_dialog, &ConfirmationDialog::popup_centered_ratio).bind(0.2));
+
 		npdialog = memnew(ProjectDialog);
 		npdialog->connect("projects_updated", callable_mp(this, &ProjectManager::_on_projects_updated));
 		npdialog->connect("project_created", callable_mp(this, &ProjectManager::_on_project_created));
diff --git a/editor/project_manager.h b/editor/project_manager.h
index 10bf25c048..0831a63e68 100644
--- a/editor/project_manager.h
+++ b/editor/project_manager.h
@@ -87,6 +87,7 @@ class ProjectManager : public Control {
 	ConfirmationDialog *multi_open_ask = nullptr;
 	ConfirmationDialog *multi_run_ask = nullptr;
 	ConfirmationDialog *multi_scan_ask = nullptr;
+	ConfirmationDialog *ask_full_convert_dialog = nullptr;
 	ConfirmationDialog *ask_update_settings = nullptr;
 	ConfirmationDialog *open_templates = nullptr;
 	EditorAbout *about = nullptr;
@@ -97,6 +98,7 @@ class ProjectManager : public Control {
 	AcceptDialog *dialog_error = nullptr;
 	ProjectDialog *npdialog = nullptr;
 
+	Button *full_convert_button = nullptr;
 	OptionButton *language_btn = nullptr;
 	LinkButton *version_btn = nullptr;
 
@@ -106,6 +108,7 @@ class ProjectManager : public Control {
 	void _run_project_confirm();
 	void _open_selected_projects();
 	void _open_selected_projects_ask();
+	void _perform_full_project_conversion();
 	void _import_project();
 	void _new_project();
 	void _rename_project();