Initialize bools in the headers in editor

70 files changed, 175 insertions, 389 deletions

diff --git a/editor/action_map_editor.cpp b/editor/action_map_editor.cpp
index 92d53cc005..aab9743c43 100644
--- a/editor/action_map_editor.cpp
+++ b/editor/action_map_editor.cpp
@@ -1122,8 +1122,6 @@ void ActionMapEditor::use_external_search_box(LineEdit *p_searchbox) {
 }
 
 ActionMapEditor::ActionMapEditor() {
-	show_builtin_actions = false;
-
 	// Main Vbox Container
 	VBoxContainer *main_vbox = memnew(VBoxContainer);
 	main_vbox->set_anchors_and_offsets_preset(PRESET_WIDE);
diff --git a/editor/action_map_editor.h b/editor/action_map_editor.h
index de24d3ee1f..34c70c942e 100644
--- a/editor/action_map_editor.h
+++ b/editor/action_map_editor.h
@@ -164,7 +164,7 @@ private:
 
 	// Filtering and Adding actions
 
-	bool show_builtin_actions;
+	bool show_builtin_actions = false;
 	CheckButton *show_builtin_actions_checkbutton;
 	LineEdit *action_list_search;
 
diff --git a/editor/animation_track_editor.cpp b/editor/animation_track_editor.cpp
index af25403736..e61a1aae9c 100644
--- a/editor/animation_track_editor.cpp
+++ b/editor/animation_track_editor.cpp
@@ -1886,8 +1886,6 @@ void AnimationTimelineEdit::_bind_methods() {
 }
 
 AnimationTimelineEdit::AnimationTimelineEdit() {
-	use_fps = false;
-	editing = false;
 	name_limit = 150 * EDSCALE;
 	zoom = nullptr;
 	track_edit = nullptr;
@@ -1935,9 +1933,6 @@ AnimationTimelineEdit::AnimationTimelineEdit() {
 	add_track->get_popup()->connect("index_pressed", callable_mp(this, &AnimationTimelineEdit::_track_added));
 	len_hb->hide();
 
-	dragging_timeline = false;
-	dragging_hsize = false;
-
 	panner.instantiate();
 	panner->set_callbacks(callable_mp(this, &AnimationTimelineEdit::_scroll_callback), callable_mp(this, &AnimationTimelineEdit::_pan_callback), callable_mp(this, &AnimationTimelineEdit::_zoom_callback));
 
@@ -3151,13 +3146,8 @@ AnimationTrackEdit::AnimationTrackEdit() {
 	path = nullptr;
 	path_popup = nullptr;
 	menu = nullptr;
-	clicking_on_name = false;
 	dropping_at = 0;
 
-	in_group = false;
-
-	moving_selection_attempt = false;
-	moving_selection = false;
 	select_single_attempt = -1;
 
 	play_position_pos = 0;
@@ -6316,8 +6306,6 @@ AnimationTrackEditor::AnimationTrackEditor() {
 	add_child(method_selector);
 	method_selector->connect("selected", callable_mp(this, &AnimationTrackEditor::_add_method_key));
 
-	insert_queue = false;
-
 	insert_confirm = memnew(ConfirmationDialog);
 	add_child(insert_confirm);
 	insert_confirm->connect("confirmed", callable_mp(this, &AnimationTrackEditor::_confirm_insert_list));
@@ -6335,8 +6323,6 @@ AnimationTrackEditor::AnimationTrackEditor() {
 	insert_confirm_reset->set_text(TTR("Create RESET Track(s)", ""));
 	insert_confirm_reset->set_pressed(EDITOR_GET("editors/animation/default_create_reset_tracks"));
 	ichb->add_child(insert_confirm_reset);
-	keying = false;
-	moving_selection = false;
 	key_edit = nullptr;
 	multi_key_edit = nullptr;
 
@@ -6346,7 +6332,6 @@ AnimationTrackEditor::AnimationTrackEditor() {
 	box_selection->set_mouse_filter(MOUSE_FILTER_IGNORE);
 	box_selection->hide();
 	box_selection->connect("draw", callable_mp(this, &AnimationTrackEditor::_box_selection_draw));
-	box_selecting = false;
 
 	// Default Plugins.
 
@@ -6443,7 +6428,6 @@ AnimationTrackEditor::AnimationTrackEditor() {
 	track_copy_select->set_hide_root(true);
 	track_vbox->add_child(track_copy_select);
 	track_copy_dialog->connect("confirmed", callable_mp(this, &AnimationTrackEditor::_edit_menu_pressed), varray(EDIT_COPY_TRACKS_CONFIRM));
-	animation_changing_awaiting_update = false;
 }
 
 AnimationTrackEditor::~AnimationTrackEditor() {
diff --git a/editor/animation_track_editor.h b/editor/animation_track_editor.h
index ab3a6f682a..1baebc469e 100644
--- a/editor/animation_track_editor.h
+++ b/editor/animation_track_editor.h
@@ -77,16 +77,16 @@ class AnimationTimelineEdit : public Range {
 	UndoRedo *undo_redo;
 	Rect2 hsize_rect;
 
-	bool editing;
-	bool use_fps;
+	bool editing = false;
+	bool use_fps = false;
 
 	Ref<ViewPanner> panner;
 	void _scroll_callback(Vector2 p_scroll_vec, bool p_alt);
 	void _pan_callback(Vector2 p_scroll_vec);
 	void _zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt);
 
-	bool dragging_timeline;
-	bool dragging_hsize;
+	bool dragging_timeline = false;
+	bool dragging_hsize = false;
 	float dragging_hsize_from;
 	float dragging_hsize_at;
 
@@ -171,7 +171,7 @@ class AnimationTrackEdit : public Control {
 
 	PopupMenu *menu;
 
-	bool clicking_on_name;
+	bool clicking_on_name = false;
 
 	void _zoom_changed();
 
@@ -188,12 +188,12 @@ class AnimationTrackEdit : public Control {
 
 	mutable int dropping_at;
 	float insert_at_pos;
-	bool moving_selection_attempt;
+	bool moving_selection_attempt = false;
 	int select_single_attempt;
-	bool moving_selection;
+	bool moving_selection = false;
 	float moving_selection_from_ofs;
 
-	bool in_group;
+	bool in_group = false;
 	AnimationTrackEditor *editor;
 
 protected:
@@ -312,7 +312,7 @@ class AnimationTrackEditor : public VBoxContainer {
 	Vector<AnimationTrackEdit *> track_edits;
 	Vector<AnimationTrackEditGroup *> groups;
 
-	bool animation_changing_awaiting_update;
+	bool animation_changing_awaiting_update = false;
 	void _animation_update();
 	int _get_track_selected();
 	void _animation_changed();
@@ -342,7 +342,7 @@ class AnimationTrackEditor : public VBoxContainer {
 	int adding_track_type;
 	NodePath adding_track_path;
 
-	bool keying;
+	bool keying = false;
 
 	struct InsertData {
 		Animation::TrackType type;
@@ -357,7 +357,7 @@ class AnimationTrackEditor : public VBoxContainer {
 	CheckBox *insert_confirm_bezier;
 	CheckBox *insert_confirm_reset;
 	ConfirmationDialog *insert_confirm;
-	bool insert_queue;
+	bool insert_queue = false;
 	List<InsertData> insert_data;
 
 	void _query_insert(const InsertData &p_id);
@@ -412,7 +412,7 @@ class AnimationTrackEditor : public VBoxContainer {
 	void _key_selected(int p_key, bool p_single, int p_track);
 	void _key_deselected(int p_key, int p_track);
 
-	bool moving_selection;
+	bool moving_selection = false;
 	float moving_selection_offset;
 	void _move_selection_begin();
 	void _move_selection(float p_offset);
@@ -427,7 +427,7 @@ class AnimationTrackEditor : public VBoxContainer {
 
 	Control *box_selection;
 	void _box_selection_draw();
-	bool box_selecting;
+	bool box_selecting = false;
 	Vector2 box_selecting_from;
 	Rect2 box_select_rect;
 	void _scroll_input(const Ref<InputEvent> &p_event);
diff --git a/editor/animation_track_editor_plugins.cpp b/editor/animation_track_editor_plugins.cpp
index 9fd42a8ab8..2ad8b2d2a4 100644
--- a/editor/animation_track_editor_plugins.cpp
+++ b/editor/animation_track_editor_plugins.cpp
@@ -1119,7 +1119,6 @@ void AnimationTrackEditTypeAudio::gui_input(const Ref<InputEvent> &p_event) {
 			get_undo_redo()->commit_action();
 		}
 
-		len_resizing = false;
 		len_resizing_index = -1;
 		update();
 		accept_event();
diff --git a/editor/animation_track_editor_plugins.h b/editor/animation_track_editor_plugins.h
index 7022f524c5..adfe517356 100644
--- a/editor/animation_track_editor_plugins.h
+++ b/editor/animation_track_editor_plugins.h
@@ -81,7 +81,7 @@ class AnimationTrackEditSpriteFrame : public AnimationTrackEdit {
 	GDCLASS(AnimationTrackEditSpriteFrame, AnimationTrackEdit);
 
 	ObjectID id;
-	bool is_coords;
+	bool is_coords = false;
 
 public:
 	virtual int get_key_height() const override;
@@ -92,7 +92,7 @@ public:
 	void set_node(Object *p_object);
 	void set_as_coords();
 
-	AnimationTrackEditSpriteFrame() { is_coords = false; }
+	AnimationTrackEditSpriteFrame() {}
 };
 
 class AnimationTrackEditSubAnim : public AnimationTrackEdit {
@@ -114,7 +114,7 @@ class AnimationTrackEditTypeAudio : public AnimationTrackEdit {
 
 	void _preview_changed(ObjectID p_which);
 
-	bool len_resizing;
+	bool len_resizing = false;
 	bool len_resizing_start;
 	int len_resizing_index;
 	float len_resizing_from_px;
diff --git a/editor/code_editor.cpp b/editor/code_editor.cpp
index 22d3155159..2896fda2d2 100644
--- a/editor/code_editor.cpp
+++ b/editor/code_editor.cpp
@@ -618,8 +618,6 @@ void FindReplaceBar::_bind_methods() {
 
 FindReplaceBar::FindReplaceBar() {
 	results_count = -1;
-	replace_all_mode = false;
-	preserve_cursor = false;
 
 	vbc_lineedit = memnew(VBoxContainer);
 	add_child(vbc_lineedit);
@@ -1887,8 +1885,6 @@ CodeTextEditor::CodeTextEditor() {
 	error_button->set_default_cursor_shape(CURSOR_POINTING_HAND);
 	error_button->connect("pressed", callable_mp(this, &CodeTextEditor::_error_button_pressed));
 	error_button->set_tooltip(TTR("Errors"));
-
-	is_errors_panel_opened = false;
 	set_error_count(0);
 
 	// Warnings
@@ -1899,8 +1895,6 @@ CodeTextEditor::CodeTextEditor() {
 	warning_button->set_default_cursor_shape(CURSOR_POINTING_HAND);
 	warning_button->connect("pressed", callable_mp(this, &CodeTextEditor::_warning_button_pressed));
 	warning_button->set_tooltip(TTR("Warnings"));
-
-	is_warnings_panel_opened = false;
 	set_warning_count(0);
 
 	// Line and column
diff --git a/editor/code_editor.h b/editor/code_editor.h
index 24316bf8b0..d7025e7fd9 100644
--- a/editor/code_editor.h
+++ b/editor/code_editor.h
@@ -86,8 +86,8 @@ class FindReplaceBar : public HBoxContainer {
 	int result_col;
 	int results_count;
 
-	bool replace_all_mode;
-	bool preserve_cursor;
+	bool replace_all_mode = false;
+	bool preserve_cursor = false;
 
 	void _get_search_from(int &r_line, int &r_col);
 	void _update_results_count();
@@ -206,8 +206,8 @@ protected:
 	void _notification(int);
 	static void _bind_methods();
 
-	bool is_warnings_panel_opened;
-	bool is_errors_panel_opened;
+	bool is_warnings_panel_opened = false;
+	bool is_errors_panel_opened = false;
 
 public:
 	void trim_trailing_whitespace();
diff --git a/editor/editor_asset_installer.cpp b/editor/editor_asset_installer.cpp
index 4a51f7c6c2..f1674c47c5 100644
--- a/editor/editor_asset_installer.cpp
+++ b/editor/editor_asset_installer.cpp
@@ -356,7 +356,5 @@ EditorAssetInstaller::EditorAssetInstaller() {
 	get_ok_button()->set_text(TTR("Install"));
 	set_title(TTR("Asset Installer"));
 
-	updating = false;
-
 	set_hide_on_ok(true);
 }
diff --git a/editor/editor_asset_installer.h b/editor/editor_asset_installer.h
index f5993f73e7..58c232f351 100644
--- a/editor/editor_asset_installer.h
+++ b/editor/editor_asset_installer.h
@@ -42,7 +42,7 @@ class EditorAssetInstaller : public ConfirmationDialog {
 	String asset_name;
 	AcceptDialog *error;
 	Map<String, TreeItem *> status_map;
-	bool updating;
+	bool updating = false;
 	void _item_edited();
 	void _check_propagated_to_item(Object *p_obj, int column);
 	virtual void ok_pressed() override;
diff --git a/editor/editor_audio_buses.cpp b/editor/editor_audio_buses.cpp
index cd79238844..4474d6893a 100644
--- a/editor/editor_audio_buses.cpp
+++ b/editor/editor_audio_buses.cpp
@@ -771,9 +771,7 @@ void EditorAudioBus::_bind_methods() {
 
 EditorAudioBus::EditorAudioBus(EditorAudioBuses *p_buses, bool p_is_master) {
 	buses = p_buses;
-	updating_bus = false;
 	is_master = p_is_master;
-	hovering_drop = false;
 
 	set_tooltip(TTR("Drag & drop to rearrange."));
 
@@ -992,7 +990,6 @@ void EditorAudioBusDrop::_bind_methods() {
 }
 
 EditorAudioBusDrop::EditorAudioBusDrop() {
-	hovering_drop = false;
 }
 
 void EditorAudioBuses::_update_buses() {
diff --git a/editor/editor_audio_buses.h b/editor/editor_audio_buses.h
index a830a2719d..0020b61370 100644
--- a/editor/editor_audio_buses.h
+++ b/editor/editor_audio_buses.h
@@ -85,9 +85,9 @@ class EditorAudioBus : public PanelContainer {
 
 	Tree *effects;
 
-	bool updating_bus;
+	bool updating_bus = false;
 	bool is_master;
-	mutable bool hovering_drop;
+	mutable bool hovering_drop = false;
 
 	virtual void gui_input(const Ref<InputEvent> &p_event) override;
 	void _effects_gui_input(Ref<InputEvent> p_event);
@@ -140,7 +140,7 @@ class EditorAudioBusDrop : public Control {
 	virtual bool can_drop_data(const Point2 &p_point, const Variant &p_data) const override;
 	virtual void drop_data(const Point2 &p_point, const Variant &p_data) override;
 
-	mutable bool hovering_drop;
+	mutable bool hovering_drop = false;
 
 protected:
 	static void _bind_methods();
diff --git a/editor/editor_data.cpp b/editor/editor_data.cpp
index 69c7e9d52c..c16451f3c6 100644
--- a/editor/editor_data.cpp
+++ b/editor/editor_data.cpp
@@ -1206,9 +1206,6 @@ void EditorSelection::clear() {
 }
 
 EditorSelection::EditorSelection() {
-	emitted = false;
-	changed = false;
-	nl_changed = false;
 }
 
 EditorSelection::~EditorSelection() {
diff --git a/editor/editor_data.h b/editor/editor_data.h
index 0d1efc9b62..79f8227e5c 100644
--- a/editor/editor_data.h
+++ b/editor/editor_data.h
@@ -239,9 +239,9 @@ class EditorSelection : public Object {
 private:
 	Map<Node *, Object *> selection;
 
-	bool emitted;
-	bool changed;
-	bool nl_changed;
+	bool emitted = false;
+	bool changed = false;
+	bool nl_changed = false;
 
 	void _node_removed(Node *p_node);
 
diff --git a/editor/editor_dir_dialog.cpp b/editor/editor_dir_dialog.cpp
index f181c04004..32ef87a4ab 100644
--- a/editor/editor_dir_dialog.cpp
+++ b/editor/editor_dir_dialog.cpp
@@ -175,8 +175,6 @@ void EditorDirDialog::_bind_methods() {
 }
 
 EditorDirDialog::EditorDirDialog() {
-	updating = false;
-
 	set_title(TTR("Choose a Directory"));
 	set_hide_on_ok(false);
 
@@ -206,6 +204,4 @@ EditorDirDialog::EditorDirDialog() {
 	add_child(mkdirerr);
 
 	get_ok_button()->set_text(TTR("Choose"));
-
-	must_reload = false;
 }
diff --git a/editor/editor_dir_dialog.h b/editor/editor_dir_dialog.h
index 053c1f5503..e97b5ce8af 100644
--- a/editor/editor_dir_dialog.h
+++ b/editor/editor_dir_dialog.h
@@ -47,7 +47,7 @@ class EditorDirDialog : public ConfirmationDialog {
 	Set<String> opened_paths;
 
 	Tree *tree;
-	bool updating;
+	bool updating = false;
 
 	void _item_collapsed(Object *p_item);
 	void _item_activated();
@@ -58,7 +58,7 @@ class EditorDirDialog : public ConfirmationDialog {
 
 	void ok_pressed() override;
 
-	bool must_reload;
+	bool must_reload = false;
 
 protected:
 	void _notification(int p_what);
diff --git a/editor/editor_export.cpp b/editor/editor_export.cpp
index d081ee05a0..c3c8f40164 100644
--- a/editor/editor_export.cpp
+++ b/editor/editor_export.cpp
@@ -678,7 +678,6 @@ void EditorExportPlugin::_bind_methods() {
 }
 
 EditorExportPlugin::EditorExportPlugin() {
-	skipped = false;
 }
 
 EditorExportPlatform::FeatureContainers EditorExportPlatform::get_feature_containers(const Ref<EditorExportPreset> &p_preset) {
@@ -1722,7 +1721,6 @@ EditorExport::EditorExport() {
 	save_timer->set_wait_time(0.8);
 	save_timer->set_one_shot(true);
 	save_timer->connect("timeout", callable_mp(this, &EditorExport::_save));
-	block_save = false;
 
 	_export_presets_updated = "export_presets_updated";
 
diff --git a/editor/editor_export.h b/editor/editor_export.h
index 796fb12793..182312b18f 100644
--- a/editor/editor_export.h
+++ b/editor/editor_export.h
@@ -297,7 +297,7 @@ class EditorExportPlugin : public RefCounted {
 		bool remap = false;
 	};
 	Vector<ExtraFile> extra_files;
-	bool skipped;
+	bool skipped = false;
 
 	Vector<String> ios_frameworks;
 	Vector<String> ios_embedded_frameworks;
@@ -379,7 +379,7 @@ class EditorExport : public Node {
 	StringName _export_presets_updated;
 
 	Timer *save_timer;
-	bool block_save;
+	bool block_save = false;
 
 	static EditorExport *singleton;
 
diff --git a/editor/editor_feature_profile.cpp b/editor/editor_feature_profile.cpp
index b1708e756a..3d5ca7de42 100644
--- a/editor/editor_feature_profile.cpp
+++ b/editor/editor_feature_profile.cpp
@@ -1010,7 +1010,5 @@ EditorFeatureProfileManager::EditorFeatureProfileManager() {
 	update_timer->connect("timeout", callable_mp(this, &EditorFeatureProfileManager::_emit_current_profile_changed));
 	update_timer->set_one_shot(true);
 
-	updating_features = false;
-
 	singleton = this;
 }
diff --git a/editor/editor_feature_profile.h b/editor/editor_feature_profile.h
index 7ea40502a6..881f14638f 100644
--- a/editor/editor_feature_profile.h
+++ b/editor/editor_feature_profile.h
@@ -155,7 +155,7 @@ class EditorFeatureProfileManager : public AcceptDialog {
 	void _import_profiles(const Vector<String> &p_paths);
 	void _export_profile(const String &p_path);
 
-	bool updating_features;
+	bool updating_features = false;
 
 	void _class_list_item_selected();
 	void _class_list_item_edited();
diff --git a/editor/editor_file_dialog.cpp b/editor/editor_file_dialog.cpp
index a45792022c..192fdb0642 100644
--- a/editor/editor_file_dialog.cpp
+++ b/editor/editor_file_dialog.cpp
@@ -1557,7 +1557,6 @@ EditorFileDialog::EditorFileDialog() {
 	show_hidden_files = default_show_hidden_files;
 	display_mode = default_display_mode;
 	local_history_pos = 0;
-	disable_overwrite_warning = false;
 	VBoxContainer *vbc = memnew(VBoxContainer);
 	add_child(vbc);
 
@@ -1814,15 +1813,12 @@ EditorFileDialog::EditorFileDialog() {
 	set_hide_on_ok(false);
 	vbox = vbc;
 
-	invalidated = true;
 	if (register_func) {
 		register_func(this);
 	}
 
-	previews_enabled = true;
 	preview_wheel_timeout = 0;
 	preview_wheel_index = 0;
-	preview_waiting = false;
 }
 
 EditorFileDialog::~EditorFileDialog() {
diff --git a/editor/editor_file_dialog.h b/editor/editor_file_dialog.h
index 65a4c9e544..a747255ce8 100644
--- a/editor/editor_file_dialog.h
+++ b/editor/editor_file_dialog.h
@@ -135,8 +135,8 @@ private:
 
 	Vector<String> filters;
 
-	bool previews_enabled;
-	bool preview_waiting;
+	bool previews_enabled = true;
+	bool preview_waiting = false;
 	int preview_wheel_index;
 	float preview_wheel_timeout;
 
@@ -145,8 +145,8 @@ private:
 	bool show_hidden_files;
 	DisplayMode display_mode;
 
-	bool disable_overwrite_warning;
-	bool invalidated;
+	bool disable_overwrite_warning = false;
+	bool invalidated = true;
 
 	void update_dir();
 	void update_file_name();
diff --git a/editor/editor_file_system.cpp b/editor/editor_file_system.cpp
index 45362896ca..98ba3ae3d8 100644
--- a/editor/editor_file_system.cpp
+++ b/editor/editor_file_system.cpp
@@ -194,7 +194,6 @@ void EditorFileSystemDirectory::_bind_methods() {
 EditorFileSystemDirectory::EditorFileSystemDirectory() {
 	modified_time = 0;
 	parent = nullptr;
-	verified = false;
 }
 
 EditorFileSystemDirectory::~EditorFileSystemDirectory() {
@@ -2383,24 +2382,14 @@ EditorFileSystem::EditorFileSystem() {
 	filesystem = memnew(EditorFileSystemDirectory); //like, empty
 	filesystem->parent = nullptr;
 
-	scanning = false;
-	importing = false;
-	use_threads = true;
 	new_filesystem = nullptr;
 
-	abort_scan = false;
-	scanning_changes = false;
-	scanning_changes_done = false;
-
 	// This should probably also work on Unix and use the string it returns for FAT32 or exFAT
 	DirAccessRef da = DirAccess::create(DirAccess::ACCESS_RESOURCES);
 	using_fat32_or_exfat = (da->get_filesystem_type() == "FAT32" || da->get_filesystem_type() == "exFAT");
 
 	scan_total = 0;
 	update_script_classes_queued.clear();
-	first_scan = true;
-	scan_changes_pending = false;
-	revalidate_import_files = false;
 	import_threads.init();
 	ResourceUID::get_singleton()->clear(); //will be updated on scan
 	ResourceSaver::set_get_resource_id_for_path(_resource_saver_get_resource_id_for_path);
diff --git a/editor/editor_file_system.h b/editor/editor_file_system.h
index 0c1bfbca47..0ec0094030 100644
--- a/editor/editor_file_system.h
+++ b/editor/editor_file_system.h
@@ -47,7 +47,7 @@ class EditorFileSystemDirectory : public Object {
 
 	String name;
 	uint64_t modified_time;
-	bool verified; //used for checking changes
+	bool verified = false; //used for checking changes
 
 	EditorFileSystemDirectory *parent;
 	Vector<EditorFileSystemDirectory *> subdirs;
@@ -132,20 +132,20 @@ class EditorFileSystem : public Node {
 		EditorFileSystemDirectory::FileInfo *new_file = nullptr;
 	};
 
-	bool use_threads;
+	bool use_threads = true;
 	Thread thread;
 	static void _thread_func(void *_userdata);
 
 	EditorFileSystemDirectory *new_filesystem;
 
-	bool abort_scan;
-	bool scanning;
-	bool importing;
-	bool first_scan;
-	bool scan_changes_pending;
+	bool abort_scan = false;
+	bool scanning = false;
+	bool importing = false;
+	bool first_scan = true;
+	bool scan_changes_pending = false;
 	float scan_total;
 	String filesystem_settings_version_for_import;
-	bool revalidate_import_files;
+	bool revalidate_import_files = false;
 
 	void _scan_filesystem();
 
@@ -197,8 +197,8 @@ class EditorFileSystem : public Node {
 	void _scan_new_dir(EditorFileSystemDirectory *p_dir, DirAccess *da, const ScanProgress &p_progress);
 
 	Thread thread_sources;
-	bool scanning_changes;
-	bool scanning_changes_done;
+	bool scanning_changes = false;
+	bool scanning_changes_done = false;
 
 	static void _thread_func_sources(void *_userdata);
 
diff --git a/editor/editor_help.cpp b/editor/editor_help.cpp
index 39c8509148..622547f0a8 100644
--- a/editor/editor_help.cpp
+++ b/editor/editor_help.cpp
@@ -1897,8 +1897,6 @@ EditorHelp::EditorHelp() {
 
 	class_desc->set_selection_enabled(true);
 
-	scroll_locked = false;
-	select_locked = false;
 	class_desc->hide();
 }
 
diff --git a/editor/editor_help.h b/editor/editor_help.h
index 10281a764c..b40d1709b6 100644
--- a/editor/editor_help.h
+++ b/editor/editor_help.h
@@ -98,7 +98,7 @@ class EditorHelp : public VBoxContainer {
 
 	};
 
-	bool select_locked;
+	bool select_locked = false;
 
 	String prev_search;
 
@@ -144,7 +144,7 @@ class EditorHelp : public VBoxContainer {
 	void _help_callback(const String &p_topic);
 
 	void _add_text(const String &p_bbcode);
-	bool scroll_locked;
+	bool scroll_locked = false;
 
 	//void _button_pressed(int p_idx);
 	void _add_type(const String &p_type, const String &p_enum = String());
diff --git a/editor/editor_help_search.cpp b/editor/editor_help_search.cpp
index eab62349d1..8e03c55712 100644
--- a/editor/editor_help_search.cpp
+++ b/editor/editor_help_search.cpp
@@ -180,8 +180,6 @@ void EditorHelpSearch::popup_dialog(const String &p_term) {
 }
 
 EditorHelpSearch::EditorHelpSearch() {
-	old_search = false;
-
 	set_hide_on_ok(false);
 
 	set_title(TTR("Search Help"));
diff --git a/editor/editor_help_search.h b/editor/editor_help_search.h
index 7d918d0c68..bf69fe1693 100644
--- a/editor/editor_help_search.h
+++ b/editor/editor_help_search.h
@@ -60,7 +60,7 @@ class EditorHelpSearch : public ConfirmationDialog {
 	Button *hierarchy_button;
 	OptionButton *filter_combo;
 	Tree *results_tree;
-	bool old_search;
+	bool old_search = false;
 	String old_term;
 
 	class Runner;
diff --git a/editor/editor_inspector.cpp b/editor/editor_inspector.cpp
index f5d318a227..20b8079689 100644
--- a/editor/editor_inspector.cpp
+++ b/editor/editor_inspector.cpp
@@ -948,31 +948,13 @@ void EditorProperty::_bind_methods() {
 }
 
 EditorProperty::EditorProperty() {
-	draw_top_bg = true;
 	object = nullptr;
 	split_ratio = 0.5;
-	selectable = true;
 	text_size = 0;
-	read_only = false;
-	checkable = false;
-	checked = false;
-	draw_warning = false;
-	keying = false;
-	deletable = false;
-	keying_hover = false;
-	revert_hover = false;
-	check_hover = false;
-	can_revert = false;
-	can_pin = false;
-	pin_hidden = false;
-	pinned = false;
-	use_folding = false;
 	property_usage = 0;
-	selected = false;
 	selected_focusable = -1;
 	label_reference = nullptr;
 	bottom_editor = nullptr;
-	delete_hover = false;
 	menu = nullptr;
 	set_process_unhandled_key_input(true);
 }
@@ -3675,25 +3657,11 @@ EditorInspector::EditorInspector() {
 	add_child(main_vbox);
 	set_horizontal_scroll_mode(SCROLL_MODE_DISABLED);
 
-	wide_editors = false;
-	show_categories = false;
-	hide_script = true;
-	use_doc_hints = false;
-	capitalize_paths = true;
-	use_filter = false;
-	autoclear = false;
 	changing = 0;
-	use_folding = false;
-	update_all_pending = false;
-	update_tree_pending = false;
-	read_only = false;
 	search_box = nullptr;
-	keying = false;
 	_prop_edited = "property_edited";
 	set_process(false);
 	property_focusable = -1;
-	sub_inspector = false;
-	deletable_properties = false;
 	property_clipboard = Variant();
 
 	get_v_scroll_bar()->connect("value_changed", callable_mp(this, &EditorInspector::_vscroll_changed));
diff --git a/editor/editor_inspector.h b/editor/editor_inspector.h
index 43f71740e3..c1454ad84c 100644
--- a/editor/editor_inspector.h
+++ b/editor/editor_inspector.h
@@ -71,12 +71,12 @@ private:
 
 	int property_usage;
 
-	bool read_only;
-	bool checkable;
-	bool checked;
-	bool draw_warning;
-	bool keying;
-	bool deletable;
+	bool read_only = false;
+	bool checkable = false;
+	bool checked = false;
+	bool draw_warning = false;
+	bool keying = false;
+	bool deletable = false;
 
 	Rect2 right_child_rect;
 	Rect2 bottom_child_rect;
@@ -90,19 +90,19 @@ private:
 	Rect2 delete_rect;
 	bool delete_hover = false;
 
-	bool can_revert;
-	bool can_pin;
-	bool pin_hidden;
-	bool pinned;
+	bool can_revert = false;
+	bool can_pin = false;
+	bool pin_hidden = false;
+	bool pinned = false;
 
-	bool use_folding;
-	bool draw_top_bg;
+	bool use_folding = false;
+	bool draw_top_bg = true;
 
 	void _update_popup();
 	void _focusable_focused(int p_index);
 
-	bool selectable;
-	bool selected;
+	bool selectable = true;
+	bool selected = false;
 	int selected_focusable;
 
 	float split_ratio;
@@ -442,23 +442,23 @@ class EditorInspector : public ScrollContainer {
 	//
 
 	LineEdit *search_box;
-	bool show_categories;
-	bool hide_script;
-	bool use_doc_hints;
-	bool capitalize_paths;
-	bool use_filter;
-	bool autoclear;
-	bool use_folding;
+	bool show_categories = false;
+	bool hide_script = true;
+	bool use_doc_hints = false;
+	bool capitalize_paths = true;
+	bool use_filter = false;
+	bool autoclear = false;
+	bool use_folding = false;
 	int changing;
-	bool update_all_pending;
-	bool read_only;
-	bool keying;
-	bool sub_inspector;
-	bool wide_editors;
-	bool deletable_properties;
+	bool update_all_pending = false;
+	bool read_only = false;
+	bool keying = false;
+	bool sub_inspector = false;
+	bool wide_editors = false;
+	bool deletable_properties = false;
 
 	float refresh_countdown;
-	bool update_tree_pending;
+	bool update_tree_pending = false;
 	StringName _prop_edited;
 	StringName property_selected;
 	int property_focusable;
diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index c508856638..5fe2172771 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -5841,16 +5841,7 @@ EditorNode::EditorNode() {
 	}
 
 	singleton = this;
-	exiting = false;
-	dimmed = false;
 	last_checked_version = 0;
-	changing_scene = false;
-	_initializing_addons = false;
-	docks_visible = true;
-	restoring_scenes = false;
-	cmdline_export_mode = false;
-	scene_distraction = false;
-	script_distraction = false;
 
 	TranslationServer::get_singleton()->set_enabled(false);
 	// load settings
@@ -7112,9 +7103,6 @@ EditorNode::EditorNode() {
 	current = nullptr;
 	saving_resource = Ref<Resource>();
 
-	reference_resource_mem = true;
-	save_external_resources_mem = true;
-
 	set_process(true);
 
 	open_imported = memnew(ConfirmationDialog);
@@ -7125,7 +7113,6 @@ EditorNode::EditorNode() {
 	gui_base->add_child(open_imported);
 
 	saved_version = 1;
-	unsaved_cache = true;
 	_last_instantiated_scene = nullptr;
 
 	quick_open = memnew(EditorQuickOpen);
@@ -7139,10 +7126,7 @@ EditorNode::EditorNode() {
 	_update_recent_scenes();
 
 	editor_data.restore_editor_global_states();
-	convert_old = false;
-	opening_prev = false;
 	set_process_unhandled_input(true);
-	_playing_edited = false;
 
 	load_errors = memnew(RichTextLabel);
 	load_error_dialog = memnew(AcceptDialog);
@@ -7183,8 +7167,6 @@ EditorNode::EditorNode() {
 
 	FileAccess::set_file_close_fail_notify_callback(_file_access_close_error_notify);
 
-	waiting_for_first_scan = true;
-
 	print_handler.printfunc = _print_handler;
 	print_handler.userdata = this;
 	add_print_handler(&print_handler);
diff --git a/editor/editor_node.h b/editor/editor_node.h
index c05e6cd281..0b6dbaec49 100644
--- a/editor/editor_node.h
+++ b/editor/editor_node.h
@@ -263,8 +263,8 @@ private:
 	TextureRect *tab_preview;
 	int tab_closing;
 
-	bool exiting;
-	bool dimmed;
+	bool exiting = false;
+	bool dimmed = false;
 
 	int old_split_ofs;
 	VSplitContainer *top_split;
@@ -380,15 +380,15 @@ private:
 	Button *dock_tab_move_right;
 	int dock_popup_selected;
 	Timer *dock_drag_timer;
-	bool docks_visible;
+	bool docks_visible = true;
 
 	HBoxContainer *tabbar_container;
 	Button *distraction_free;
 	Button *scene_tab_add;
 	Control *scene_tab_add_ph;
 
-	bool scene_distraction;
-	bool script_distraction;
+	bool scene_distraction = false;
+	bool script_distraction = false;
 
 	String _tmp_import_path;
 
@@ -397,18 +397,15 @@ private:
 	Object *current;
 	Ref<Resource> saving_resource;
 
-	bool _playing_edited;
+	bool _playing_edited = false;
 	String run_custom_filename;
-	bool reference_resource_mem;
-	bool save_external_resources_mem;
+	bool reference_resource_mem = true;
 	uint64_t saved_version;
 	uint64_t last_checked_version;
-	bool unsaved_cache;
+	bool unsaved_cache = true;
 	String open_navigate;
-	bool changing_scene;
-	bool waiting_for_first_scan;
-
-	bool waiting_for_sources_changed;
+	bool changing_scene = false;
+	bool waiting_for_first_scan = true;
 
 	uint64_t update_spinner_step_msec;
 	uint64_t update_spinner_step_frame;
@@ -457,7 +454,7 @@ private:
 
 	String external_file;
 	List<String> previous_scenes;
-	bool opening_prev;
+	bool opening_prev = false;
 
 	void _dialog_action(String p_file);
 
@@ -534,7 +531,7 @@ private:
 
 	void _exit_editor(int p_exit_code);
 
-	bool convert_old;
+	bool convert_old = false;
 
 	virtual void unhandled_input(const Ref<InputEvent> &p_event) override;
 
@@ -551,7 +548,7 @@ private:
 	Map<String, Ref<Texture2D>> icon_type_cache;
 	void _build_icon_type_cache();
 
-	bool _initializing_addons;
+	bool _initializing_addons = false;
 	Map<String, EditorPlugin *> plugin_addons;
 
 	static Ref<Texture2D> _file_dialog_get_icon(const String &p_path);
@@ -587,7 +584,7 @@ private:
 		bool pack_only = false;
 	} export_defer;
 
-	bool cmdline_export_mode;
+	bool cmdline_export_mode = false;
 
 	static EditorNode *singleton;
 
@@ -627,7 +624,7 @@ private:
 	void _update_dock_slots_visibility();
 	void _dock_tab_changed(int p_tab);
 
-	bool restoring_scenes;
+	bool restoring_scenes = false;
 	void _save_open_scenes_to_config(Ref<ConfigFile> p_layout, const String &p_section);
 	void _load_open_scenes_from_config(Ref<ConfigFile> p_layout, const String &p_section);
 
diff --git a/editor/editor_plugin_settings.cpp b/editor/editor_plugin_settings.cpp
index 401414ae50..b6f48c7536 100644
--- a/editor/editor_plugin_settings.cpp
+++ b/editor/editor_plugin_settings.cpp
@@ -240,6 +240,4 @@ EditorPluginSettings::EditorPluginSettings() {
 	mc->set_h_size_flags(SIZE_EXPAND_FILL);
 
 	add_child(mc);
-
-	updating = false;
 }
diff --git a/editor/editor_plugin_settings.h b/editor/editor_plugin_settings.h
index 4648d105f7..c239b735de 100644
--- a/editor/editor_plugin_settings.h
+++ b/editor/editor_plugin_settings.h
@@ -48,7 +48,7 @@ class EditorPluginSettings : public VBoxContainer {
 	Button *create_plugin;
 	Button *update_list;
 	Tree *plugin_list;
-	bool updating;
+	bool updating = false;
 
 	void _plugin_activity_changed();
 	void _create_clicked();
diff --git a/editor/editor_properties.cpp b/editor/editor_properties.cpp
index 4b07897459..b495d29911 100644
--- a/editor/editor_properties.cpp
+++ b/editor/editor_properties.cpp
@@ -110,9 +110,6 @@ EditorPropertyText::EditorPropertyText() {
 	add_focusable(text);
 	text->connect("text_changed", callable_mp(this, &EditorPropertyText::_text_changed));
 	text->connect("text_submitted", callable_mp(this, &EditorPropertyText::_text_submitted));
-
-	string_name = false;
-	updating = false;
 }
 
 ///////////////////// MULTILINE TEXT /////////////////////////
@@ -500,9 +497,6 @@ EditorPropertyPath::EditorPropertyPath() {
 	add_focusable(path);
 	dialog = nullptr;
 	path_edit->connect("pressed", callable_mp(this, &EditorPropertyPath::_path_pressed));
-	folder = false;
-	global = false;
-	save_mode = false;
 }
 
 ///////////////////// CLASS NAME /////////////////////////
@@ -1278,7 +1272,6 @@ EditorPropertyInteger::EditorPropertyInteger() {
 	add_child(spin);
 	add_focusable(spin);
 	spin->connect("value_changed", callable_mp(this, &EditorPropertyInteger::_value_changed));
-	setting = false;
 }
 
 ///////////////////// OBJECT ID /////////////////////////
@@ -1587,10 +1580,6 @@ EditorPropertyEasing::EditorPropertyEasing() {
 	spin->get_line_edit()->connect("focus_exited", callable_mp(this, &EditorPropertyEasing::_spin_focus_exited));
 	spin->hide();
 	add_child(spin);
-
-	dragging = false;
-	flip = false;
-	full = false;
 }
 
 ///////////////////// VECTOR2 /////////////////////////
@@ -1680,7 +1669,6 @@ EditorPropertyVector2::EditorPropertyVector2(bool p_force_wide) {
 	if (!horizontal) {
 		set_label_reference(spin[0]); //show text and buttons around this
 	}
-	setting = false;
 }
 
 ///////////////////// RECT2 /////////////////////////
@@ -1784,7 +1772,6 @@ EditorPropertyRect2::EditorPropertyRect2(bool p_force_wide) {
 	if (!horizontal) {
 		set_label_reference(spin[0]); //show text and buttons around this
 	}
-	setting = false;
 }
 
 ///////////////////// VECTOR3 /////////////////////////
@@ -1993,7 +1980,6 @@ EditorPropertyVector2i::EditorPropertyVector2i(bool p_force_wide) {
 	if (!horizontal) {
 		set_label_reference(spin[0]); //show text and buttons around this
 	}
-	setting = false;
 }
 
 ///////////////////// RECT2i /////////////////////////
@@ -2097,7 +2083,6 @@ EditorPropertyRect2i::EditorPropertyRect2i(bool p_force_wide) {
 	if (!horizontal) {
 		set_label_reference(spin[0]); //show text and buttons around this
 	}
-	setting = false;
 }
 
 ///////////////////// VECTOR3i /////////////////////////
@@ -2188,7 +2173,6 @@ EditorPropertyVector3i::EditorPropertyVector3i(bool p_force_wide) {
 	if (!horizontal) {
 		set_label_reference(spin[0]); //show text and buttons around this
 	}
-	setting = false;
 }
 
 ///////////////////// PLANE /////////////////////////
@@ -2282,7 +2266,6 @@ EditorPropertyPlane::EditorPropertyPlane(bool p_force_wide) {
 	if (!horizontal) {
 		set_label_reference(spin[0]); //show text and buttons around this
 	}
-	setting = false;
 }
 
 ///////////////////// QUATERNION /////////////////////////
@@ -2373,7 +2356,6 @@ EditorPropertyQuaternion::EditorPropertyQuaternion() {
 	if (!horizontal) {
 		set_label_reference(spin[0]); //show text and buttons around this
 	}
-	setting = false;
 }
 
 ///////////////////// AABB /////////////////////////
@@ -2457,7 +2439,6 @@ EditorPropertyAABB::EditorPropertyAABB() {
 		spin[i]->connect("value_changed", callable_mp(this, &EditorPropertyAABB::_value_changed), varray(desc[i]));
 	}
 	set_bottom_editor(g);
-	setting = false;
 }
 
 ///////////////////// TRANSFORM2D /////////////////////////
@@ -2547,7 +2528,6 @@ EditorPropertyTransform2D::EditorPropertyTransform2D(bool p_include_origin) {
 		spin[i]->connect("value_changed", callable_mp(this, &EditorPropertyTransform2D::_value_changed), varray(desc[i]));
 	}
 	set_bottom_editor(g);
-	setting = false;
 }
 
 ///////////////////// BASIS /////////////////////////
@@ -2636,7 +2616,6 @@ EditorPropertyBasis::EditorPropertyBasis() {
 		spin[i]->connect("value_changed", callable_mp(this, &EditorPropertyBasis::_value_changed), varray(desc[i]));
 	}
 	set_bottom_editor(g);
-	setting = false;
 }
 
 ///////////////////// TRANSFORM /////////////////////////
@@ -2733,7 +2712,6 @@ EditorPropertyTransform3D::EditorPropertyTransform3D() {
 		spin[i]->connect("value_changed", callable_mp(this, &EditorPropertyTransform3D::_value_changed), varray(desc[i]));
 	}
 	set_bottom_editor(g);
-	setting = false;
 }
 
 ////////////// COLOR PICKER //////////////////////
@@ -2969,7 +2947,6 @@ EditorPropertyNodePath::EditorPropertyNodePath() {
 	clear->set_flat(true);
 	clear->connect("pressed", callable_mp(this, &EditorPropertyNodePath::_node_clear));
 	hbc->add_child(clear);
-	use_path_from_scene_root = false;
 
 	scene_tree = nullptr; //do not allocate unnecessarily
 }
diff --git a/editor/editor_properties.h b/editor/editor_properties.h
index 9a16a78ff8..c21e0e0b4d 100644
--- a/editor/editor_properties.h
+++ b/editor/editor_properties.h
@@ -54,8 +54,8 @@ class EditorPropertyText : public EditorProperty {
 	GDCLASS(EditorPropertyText, EditorProperty);
 	LineEdit *text;
 
-	bool updating;
-	bool string_name;
+	bool updating = false;
+	bool string_name = false;
 	void _text_changed(const String &p_string);
 	void _text_submitted(const String &p_string);
 
@@ -131,9 +131,9 @@ public:
 class EditorPropertyPath : public EditorProperty {
 	GDCLASS(EditorPropertyPath, EditorProperty);
 	Vector<String> extensions;
-	bool folder;
-	bool global;
-	bool save_mode;
+	bool folder = false;
+	bool global = false;
+	bool save_mode = false;
 	EditorFileDialog *dialog;
 	LineEdit *path;
 	Button *path_edit;
@@ -359,7 +359,7 @@ public:
 class EditorPropertyInteger : public EditorProperty {
 	GDCLASS(EditorPropertyInteger, EditorProperty);
 	EditorSpinSlider *spin;
-	bool setting;
+	bool setting = false;
 	void _value_changed(int64_t p_val);
 
 protected:
@@ -410,11 +410,11 @@ class EditorPropertyEasing : public EditorProperty {
 	Control *easing_draw;
 	PopupMenu *preset;
 	EditorSpinSlider *spin;
-	bool setting;
+	bool setting = false;
 
-	bool dragging;
-	bool full;
-	bool flip;
+	bool dragging = false;
+	bool full = false;
+	bool flip = false;
 
 	enum {
 		EASING_ZERO,
@@ -450,7 +450,7 @@ public:
 class EditorPropertyVector2 : public EditorProperty {
 	GDCLASS(EditorPropertyVector2, EditorProperty);
 	EditorSpinSlider *spin[2];
-	bool setting;
+	bool setting = false;
 	void _value_changed(double p_val, const String &p_name);
 
 protected:
@@ -467,7 +467,7 @@ public:
 class EditorPropertyRect2 : public EditorProperty {
 	GDCLASS(EditorPropertyRect2, EditorProperty);
 	EditorSpinSlider *spin[4];
-	bool setting;
+	bool setting = false;
 	void _value_changed(double p_val, const String &p_name);
 
 protected:
@@ -504,7 +504,7 @@ public:
 class EditorPropertyVector2i : public EditorProperty {
 	GDCLASS(EditorPropertyVector2i, EditorProperty);
 	EditorSpinSlider *spin[2];
-	bool setting;
+	bool setting = false;
 	void _value_changed(double p_val, const String &p_name);
 
 protected:
@@ -521,7 +521,7 @@ public:
 class EditorPropertyRect2i : public EditorProperty {
 	GDCLASS(EditorPropertyRect2i, EditorProperty);
 	EditorSpinSlider *spin[4];
-	bool setting;
+	bool setting = false;
 	void _value_changed(double p_val, const String &p_name);
 
 protected:
@@ -538,7 +538,7 @@ public:
 class EditorPropertyVector3i : public EditorProperty {
 	GDCLASS(EditorPropertyVector3i, EditorProperty);
 	EditorSpinSlider *spin[3];
-	bool setting;
+	bool setting = false;
 	void _value_changed(double p_val, const String &p_name);
 
 protected:
@@ -555,7 +555,7 @@ public:
 class EditorPropertyPlane : public EditorProperty {
 	GDCLASS(EditorPropertyPlane, EditorProperty);
 	EditorSpinSlider *spin[4];
-	bool setting;
+	bool setting = false;
 	void _value_changed(double p_val, const String &p_name);
 
 protected:
@@ -572,7 +572,7 @@ public:
 class EditorPropertyQuaternion : public EditorProperty {
 	GDCLASS(EditorPropertyQuaternion, EditorProperty);
 	EditorSpinSlider *spin[4];
-	bool setting;
+	bool setting = false;
 	void _value_changed(double p_val, const String &p_name);
 
 protected:
@@ -589,7 +589,7 @@ public:
 class EditorPropertyAABB : public EditorProperty {
 	GDCLASS(EditorPropertyAABB, EditorProperty);
 	EditorSpinSlider *spin[6];
-	bool setting;
+	bool setting = false;
 	void _value_changed(double p_val, const String &p_name);
 
 protected:
@@ -606,7 +606,7 @@ public:
 class EditorPropertyTransform2D : public EditorProperty {
 	GDCLASS(EditorPropertyTransform2D, EditorProperty);
 	EditorSpinSlider *spin[6];
-	bool setting;
+	bool setting = false;
 	void _value_changed(double p_val, const String &p_name);
 
 protected:
@@ -623,7 +623,7 @@ public:
 class EditorPropertyBasis : public EditorProperty {
 	GDCLASS(EditorPropertyBasis, EditorProperty);
 	EditorSpinSlider *spin[9];
-	bool setting;
+	bool setting = false;
 	void _value_changed(double p_val, const String &p_name);
 
 protected:
@@ -640,7 +640,7 @@ public:
 class EditorPropertyTransform3D : public EditorProperty {
 	GDCLASS(EditorPropertyTransform3D, EditorProperty);
 	EditorSpinSlider *spin[12];
-	bool setting;
+	bool setting = false;
 	void _value_changed(double p_val, const String &p_name);
 
 protected:
@@ -681,7 +681,7 @@ class EditorPropertyNodePath : public EditorProperty {
 	Button *clear;
 	SceneTreeDialog *scene_tree;
 	NodePath base_hint;
-	bool use_path_from_scene_root;
+	bool use_path_from_scene_root = false;
 
 	Vector<StringName> valid_types;
 	void _node_selected(const NodePath &p_path);
diff --git a/editor/editor_properties_array_dict.cpp b/editor/editor_properties_array_dict.cpp
index 533ecc196f..76d1ada820 100644
--- a/editor/editor_properties_array_dict.cpp
+++ b/editor/editor_properties_array_dict.cpp
@@ -714,7 +714,6 @@ EditorPropertyArray::EditorPropertyArray() {
 	size_slider = nullptr;
 	button_add_item = nullptr;
 	paginator = nullptr;
-	updating = false;
 	change_type = memnew(PopupMenu);
 	add_child(change_type);
 	change_type->connect("id_pressed", callable_mp(this, &EditorPropertyArray::_change_type_menu));
@@ -723,8 +722,6 @@ EditorPropertyArray::EditorPropertyArray() {
 	subtype = Variant::NIL;
 	subtype_hint = PROPERTY_HINT_NONE;
 	subtype_hint_string = "";
-
-	dropping = false;
 }
 
 ///////////////////// DICTIONARY ///////////////////////////
@@ -1211,7 +1208,6 @@ EditorPropertyDictionary::EditorPropertyDictionary() {
 	vbox = nullptr;
 	button_add_item = nullptr;
 	paginator = nullptr;
-	updating = false;
 	change_type = memnew(PopupMenu);
 	add_child(change_type);
 	change_type->connect("id_pressed", callable_mp(this, &EditorPropertyDictionary::_change_type_menu));
diff --git a/editor/editor_properties_array_dict.h b/editor/editor_properties_array_dict.h
index 6c22f7f606..3d9fe90b20 100644
--- a/editor/editor_properties_array_dict.h
+++ b/editor/editor_properties_array_dict.h
@@ -81,8 +81,8 @@ class EditorPropertyArray : public EditorProperty {
 	GDCLASS(EditorPropertyArray, EditorProperty);
 
 	PopupMenu *change_type;
-	bool updating;
-	bool dropping;
+	bool updating = false;
+	bool dropping = false;
 
 	Ref<EditorPropertyArrayObject> object;
 	int page_length = 20;
@@ -139,7 +139,7 @@ class EditorPropertyDictionary : public EditorProperty {
 	GDCLASS(EditorPropertyDictionary, EditorProperty);
 
 	PopupMenu *change_type;
-	bool updating;
+	bool updating = false;
 
 	Ref<EditorPropertyDictionaryObject> object;
 	int page_length = 20;
diff --git a/editor/editor_run_native.cpp b/editor/editor_run_native.cpp
index 77f135bb63..5db7b8673f 100644
--- a/editor/editor_run_native.cpp
+++ b/editor/editor_run_native.cpp
@@ -168,7 +168,6 @@ bool EditorRunNative::is_deploy_debug_remote_enabled() const {
 
 EditorRunNative::EditorRunNative() {
 	set_process(true);
-	first = true;
 	resume_idx = 0;
 	resume_platform = 0;
 }
diff --git a/editor/editor_run_native.h b/editor/editor_run_native.h
index 199d094e55..4cb5779350 100644
--- a/editor/editor_run_native.h
+++ b/editor/editor_run_native.h
@@ -38,7 +38,7 @@ class EditorRunNative : public HBoxContainer {
 	GDCLASS(EditorRunNative, HBoxContainer);
 
 	Map<int, MenuButton *> menus;
-	bool first;
+	bool first = true;
 
 	int resume_idx;
 	int resume_platform;
diff --git a/editor/editor_settings.cpp b/editor/editor_settings.cpp
index 179a88dc60..00b6b84461 100644
--- a/editor/editor_settings.cpp
+++ b/editor/editor_settings.cpp
@@ -1660,8 +1660,6 @@ void EditorSettings::_bind_methods() {
 
 EditorSettings::EditorSettings() {
 	last_order = 0;
-	optimize_save = true;
-	save_changed_setting = true;
 
 	_load_defaults();
 }
diff --git a/editor/editor_settings.h b/editor/editor_settings.h
index 65723a24f8..4f25259a01 100644
--- a/editor/editor_settings.h
+++ b/editor/editor_settings.h
@@ -92,8 +92,8 @@ private:
 	Vector<String> favorites;
 	Vector<String> recent_dirs;
 
-	bool save_changed_setting;
-	bool optimize_save; //do not save stuff that came from config but was not set from engine
+	bool save_changed_setting = true;
+	bool optimize_save = true; //do not save stuff that came from config but was not set from engine
 
 	bool _set(const StringName &p_name, const Variant &p_value);
 	bool _set_only(const StringName &p_name, const Variant &p_value);
diff --git a/editor/editor_settings_dialog.cpp b/editor/editor_settings_dialog.cpp
index 1ec6d4a3a6..eb3cf08578 100644
--- a/editor/editor_settings_dialog.cpp
+++ b/editor/editor_settings_dialog.cpp
@@ -764,8 +764,6 @@ EditorSettingsDialog::EditorSettingsDialog() {
 	add_child(timer);
 	EditorSettings::get_singleton()->connect("settings_changed", callable_mp(this, &EditorSettingsDialog::_settings_changed));
 	get_ok_button()->set_text(TTR("Close"));
-
-	updating = false;
 }
 
 EditorSettingsDialog::~EditorSettingsDialog() {
diff --git a/editor/editor_settings_dialog.h b/editor/editor_settings_dialog.h
index 4b90506b4b..e3139bb07a 100644
--- a/editor/editor_settings_dialog.h
+++ b/editor/editor_settings_dialog.h
@@ -43,7 +43,7 @@
 class EditorSettingsDialog : public AcceptDialog {
 	GDCLASS(EditorSettingsDialog, AcceptDialog);
 
-	bool updating;
+	bool updating = false;
 
 	TabContainer *tabs;
 	Control *tab_general;
diff --git a/editor/editor_spin_slider.cpp b/editor/editor_spin_slider.cpp
index 509a316ef3..ef34f13d45 100644
--- a/editor/editor_spin_slider.cpp
+++ b/editor/editor_spin_slider.cpp
@@ -655,14 +655,10 @@ void EditorSpinSlider::_ensure_input_popup() {
 }
 
 EditorSpinSlider::EditorSpinSlider() {
-	flat = false;
-	grabbing_spinner_attempt = false;
-	grabbing_spinner = false;
 	grabbing_spinner_dist_cache = 0;
 	pre_grab_value = 0;
 	set_focus_mode(FOCUS_ALL);
 	updown_offset = -1;
-	hover_updown = false;
 	grabber = memnew(TextureRect);
 	add_child(grabber);
 	grabber->hide();
@@ -671,12 +667,5 @@ EditorSpinSlider::EditorSpinSlider() {
 	grabber->connect("mouse_entered", callable_mp(this, &EditorSpinSlider::_grabber_mouse_entered));
 	grabber->connect("mouse_exited", callable_mp(this, &EditorSpinSlider::_grabber_mouse_exited));
 	grabber->connect("gui_input", callable_mp(this, &EditorSpinSlider::_grabber_gui_input));
-	mouse_over_spin = false;
-	mouse_over_grabber = false;
-	mousewheel_over_grabber = false;
-	grabbing_grabber = false;
 	grabber_range = 1;
-	value_input_just_closed = false;
-	hide_slider = false;
-	read_only = false;
 }
diff --git a/editor/editor_spin_slider.h b/editor/editor_spin_slider.h
index 4e52980804..405c3bfc22 100644
--- a/editor/editor_spin_slider.h
+++ b/editor/editor_spin_slider.h
@@ -41,24 +41,24 @@ class EditorSpinSlider : public Range {
 	String label;
 	String suffix;
 	int updown_offset;
-	bool hover_updown;
-	bool mouse_hover;
+	bool hover_updown = false;
+	bool mouse_hover = false;
 
 	TextureRect *grabber;
 	int grabber_range;
 
-	bool mouse_over_spin;
-	bool mouse_over_grabber;
-	bool mousewheel_over_grabber;
+	bool mouse_over_spin = false;
+	bool mouse_over_grabber = false;
+	bool mousewheel_over_grabber = false;
 
-	bool grabbing_grabber;
+	bool grabbing_grabber = false;
 	int grabbing_from;
 	float grabbing_ratio;
 
-	bool grabbing_spinner_attempt;
-	bool grabbing_spinner;
+	bool grabbing_spinner_attempt = false;
+	bool grabbing_spinner = false;
 
-	bool read_only;
+	bool read_only = false;
 	float grabbing_spinner_dist_cache;
 	Vector2 grabbing_spinner_mouse_pos;
 	double pre_grab_value;
@@ -73,8 +73,8 @@ class EditorSpinSlider : public Range {
 	void _value_input_submitted(const String &);
 	void _value_focus_exited();
 	void _value_input_gui_input(const Ref<InputEvent> &p_event);
-	bool hide_slider;
-	bool flat;
+	bool hide_slider = false;
+	bool flat = false;
 
 	void _evaluate_input_text();
 
diff --git a/editor/editor_vcs_interface.cpp b/editor/editor_vcs_interface.cpp
index 97611d9786..0954779300 100644
--- a/editor/editor_vcs_interface.cpp
+++ b/editor/editor_vcs_interface.cpp
@@ -153,7 +153,6 @@ String EditorVCSInterface::get_vcs_name() {
 }
 
 EditorVCSInterface::EditorVCSInterface() {
-	is_initialized = false;
 }
 
 EditorVCSInterface::~EditorVCSInterface() {
diff --git a/editor/editor_vcs_interface.h b/editor/editor_vcs_interface.h
index 091936dadc..487625e84c 100644
--- a/editor/editor_vcs_interface.h
+++ b/editor/editor_vcs_interface.h
@@ -38,7 +38,7 @@
 class EditorVCSInterface : public Object {
 	GDCLASS(EditorVCSInterface, Object)
 
-	bool is_initialized;
+	bool is_initialized = false;
 
 protected:
 	static EditorVCSInterface *singleton;
diff --git a/editor/filesystem_dock.cpp b/editor/filesystem_dock.cpp
index d9539784ac..038cc2ab2f 100644
--- a/editor/filesystem_dock.cpp
+++ b/editor/filesystem_dock.cpp
@@ -3172,10 +3172,7 @@ FileSystemDock::FileSystemDock() {
 	searched_string = String();
 	uncollapsed_paths_before_search = Vector<String>();
 
-	updating_tree = false;
 	tree_update_id = 0;
-	initialized = false;
-	import_dock_needs_update = false;
 
 	history_pos = 0;
 	history_max_size = 20;
@@ -3184,8 +3181,6 @@ FileSystemDock::FileSystemDock() {
 	display_mode = DISPLAY_MODE_TREE_ONLY;
 	old_display_mode = DISPLAY_MODE_TREE_ONLY;
 	file_list_display_mode = FILE_LIST_DISPLAY_THUMBNAILS;
-
-	always_show_folders = false;
 }
 
 FileSystemDock::~FileSystemDock() {
diff --git a/editor/filesystem_dock.h b/editor/filesystem_dock.h
index e98ffd68b4..92dac374ec 100644
--- a/editor/filesystem_dock.h
+++ b/editor/filesystem_dock.h
@@ -154,7 +154,7 @@ private:
 	ShaderCreateDialog *make_shader_dialog;
 	CreateDialog *new_resource_dialog;
 
-	bool always_show_folders;
+	bool always_show_folders = false;
 
 	class FileOrFolder {
 	public:
@@ -177,13 +177,13 @@ private:
 
 	String path;
 
-	bool initialized;
+	bool initialized = false;
 
-	bool updating_tree;
+	bool updating_tree = false;
 	int tree_update_id;
 	Tree *tree;
 	ItemList *files;
-	bool import_dock_needs_update;
+	bool import_dock_needs_update = false;
 
 	bool holding_branch = false;
 	Vector<TreeItem *> tree_items_selected_on_drag_begin;
diff --git a/editor/find_in_files.cpp b/editor/find_in_files.cpp
index eff9185c71..1ce363c651 100644
--- a/editor/find_in_files.cpp
+++ b/editor/find_in_files.cpp
@@ -612,8 +612,6 @@ FindInFilesPanel::FindInFilesPanel() {
 	_results_display->create_item(); // Root
 	vbc->add_child(_results_display);
 
-	_with_replace = false;
-
 	{
 		_replace_container = memnew(HBoxContainer);
 
diff --git a/editor/find_in_files.h b/editor/find_in_files.h
index 1b6666b554..cf14f3d5c3 100644
--- a/editor/find_in_files.h
+++ b/editor/find_in_files.h
@@ -210,7 +210,7 @@ private:
 	ProgressBar *_progress_bar;
 	Map<String, TreeItem *> _file_items;
 	Map<TreeItem *, Result> _result_items;
-	bool _with_replace;
+	bool _with_replace = false;
 
 	HBoxContainer *_replace_container;
 	LineEdit *_replace_line_edit;
diff --git a/editor/localization_editor.cpp b/editor/localization_editor.cpp
index a766650cd9..77594dde78 100644
--- a/editor/localization_editor.cpp
+++ b/editor/localization_editor.cpp
@@ -473,7 +473,6 @@ void LocalizationEditor::_bind_methods() {
 
 LocalizationEditor::LocalizationEditor() {
 	undo_redo = EditorNode::get_undo_redo();
-	updating_translations = false;
 	localization_changed = "localization_changed";
 
 	TabContainer *translations = memnew(TabContainer);
diff --git a/editor/localization_editor.h b/editor/localization_editor.h
index bde1b894e2..3424ba7c55 100644
--- a/editor/localization_editor.h
+++ b/editor/localization_editor.h
@@ -56,7 +56,7 @@ class LocalizationEditor : public VBoxContainer {
 	EditorFileDialog *pot_generate_dialog;
 
 	UndoRedo *undo_redo;
-	bool updating_translations;
+	bool updating_translations = false;
 	String localization_changed;
 
 	void _translation_file_open();
diff --git a/editor/project_export.cpp b/editor/project_export.cpp
index 401d579c23..9963ac0232 100644
--- a/editor/project_export.cpp
+++ b/editor/project_export.cpp
@@ -1128,9 +1128,6 @@ ProjectExportDialog::ProjectExportDialog() {
 
 	// Script export parameters.
 
-	updating_script_key = false;
-	updating_enc_filters = false;
-
 	VBoxContainer *sec_vb = memnew(VBoxContainer);
 	sec_vb->set_name(TTR("Encryption"));
 
@@ -1195,8 +1192,6 @@ ProjectExportDialog::ProjectExportDialog() {
 
 	// Export buttons, dialogs and errors.
 
-	updating = false;
-
 	get_cancel_button()->set_text(TTR("Close"));
 	get_ok_button()->set_text(TTR("Export PCK/ZIP..."));
 	export_button = add_button(TTR("Export Project..."), !DisplayServer::get_singleton()->get_swap_cancel_ok(), "export");
diff --git a/editor/project_export.h b/editor/project_export.h
index 569563ba55..057fd31168 100644
--- a/editor/project_export.h
+++ b/editor/project_export.h
@@ -71,7 +71,7 @@ private:
 	CheckButton *runnable;
 
 	Button *button_export;
-	bool updating;
+	bool updating = false;
 
 	AcceptDialog *error_dialog;
 	ConfirmationDialog *delete_confirm;
@@ -152,8 +152,8 @@ private:
 	void _update_feature_list();
 	void _custom_features_changed(const String &p_text);
 
-	bool updating_script_key;
-	bool updating_enc_filters;
+	bool updating_script_key = false;
+	bool updating_enc_filters = false;
 	void _enc_pck_changed(bool p_pressed);
 	void _enc_directory_changed(bool p_pressed);
 	void _enc_filters_changed(const String &p_text);
diff --git a/editor/property_editor.cpp b/editor/property_editor.cpp
index dd4b963fc0..52fb0d4f4e 100644
--- a/editor/property_editor.cpp
+++ b/editor/property_editor.cpp
@@ -1771,9 +1771,6 @@ void CustomPropertyEditor::_bind_methods() {
 }
 
 CustomPropertyEditor::CustomPropertyEditor() {
-	read_only = false;
-	updating = false;
-
 	value_vbox = memnew(VBoxContainer);
 	add_child(value_vbox);
 
diff --git a/editor/property_editor.h b/editor/property_editor.h
index c4287dc115..73306e0bc2 100644
--- a/editor/property_editor.h
+++ b/editor/property_editor.h
@@ -119,7 +119,7 @@ class CustomPropertyEditor : public PopupPanel {
 	TextureRect *texture_preview;
 	ColorPicker *color_picker;
 	TextEdit *text_edit;
-	bool read_only;
+	bool read_only = false;
 	bool picking_viewport;
 	GridContainer *checks20gc;
 	CheckBox *checks20[20];
@@ -132,7 +132,7 @@ class CustomPropertyEditor : public PopupPanel {
 
 	Object *owner;
 
-	bool updating;
+	bool updating = false;
 
 	PropertyValueEvaluator *evaluator;
 
diff --git a/editor/property_selector.cpp b/editor/property_selector.cpp
index 453ecb6b24..1ac15a0a9d 100644
--- a/editor/property_selector.cpp
+++ b/editor/property_selector.cpp
@@ -589,7 +589,6 @@ PropertySelector::PropertySelector() {
 	search_options->connect("cell_selected", callable_mp(this, &PropertySelector::_item_selected));
 	search_options->set_hide_root(true);
 	search_options->set_hide_folding(true);
-	virtuals_only = false;
 
 	help_bit = memnew(EditorHelpBit);
 	vbc->add_margin_child(TTR("Description:"), help_bit);
diff --git a/editor/property_selector.h b/editor/property_selector.h
index 1e8c6300a0..7e629a847e 100644
--- a/editor/property_selector.h
+++ b/editor/property_selector.h
@@ -56,7 +56,7 @@ class PropertySelector : public ConfirmationDialog {
 	String base_type;
 	ObjectID script;
 	Object *instance;
-	bool virtuals_only;
+	bool virtuals_only = false;
 
 	Vector<Variant::Type> type_filter;
 
diff --git a/editor/quick_open.cpp b/editor/quick_open.cpp
index 4e64aba1db..53da945868 100644
--- a/editor/quick_open.cpp
+++ b/editor/quick_open.cpp
@@ -245,8 +245,6 @@ void EditorQuickOpen::_bind_methods() {
 }
 
 EditorQuickOpen::EditorQuickOpen() {
-	allow_multi_select = false;
-
 	VBoxContainer *vbc = memnew(VBoxContainer);
 	vbc->connect("theme_changed", callable_mp(this, &EditorQuickOpen::_theme_changed));
 	add_child(vbc);
diff --git a/editor/quick_open.h b/editor/quick_open.h
index dc485a7c86..f50f09604c 100644
--- a/editor/quick_open.h
+++ b/editor/quick_open.h
@@ -42,7 +42,7 @@ class EditorQuickOpen : public ConfirmationDialog {
 	LineEdit *search_box;
 	Tree *search_options;
 	StringName base_type;
-	bool allow_multi_select;
+	bool allow_multi_select = false;
 
 	Vector<String> files;
 	OAHashMap<String, Ref<Texture2D>> icons;
diff --git a/editor/scene_tree_dock.cpp b/editor/scene_tree_dock.cpp
index 27f6854140..8d7916685a 100644
--- a/editor/scene_tree_dock.cpp
+++ b/editor/scene_tree_dock.cpp
@@ -3497,8 +3497,6 @@ SceneTreeDock::SceneTreeDock(Node *p_scene_root, EditorSelection *p_editor_selec
 	menu_subresources->set_name("Sub-Resources");
 	menu_subresources->connect("id_pressed", callable_mp(this, &SceneTreeDock::_tool_selected), make_binds(false));
 	menu->add_child(menu_subresources);
-	first_enter = true;
-	restore_script_editor_on_drag = false;
 
 	menu_properties = memnew(PopupMenu);
 	add_child(menu_properties);
@@ -3512,9 +3510,6 @@ SceneTreeDock::SceneTreeDock(Node *p_scene_root, EditorSelection *p_editor_selec
 	set_process_input(true);
 	set_process(true);
 
-	profile_allow_editing = true;
-	profile_allow_script_editing = true;
-
 	EDITOR_DEF("interface/editors/show_scene_tree_root_selection", true);
 	EDITOR_DEF("interface/editors/derive_script_globals_by_name", true);
 	EDITOR_DEF("_use_favorites_root_selection", false);
diff --git a/editor/scene_tree_dock.h b/editor/scene_tree_dock.h
index 2a98c469dc..938f83725d 100644
--- a/editor/scene_tree_dock.h
+++ b/editor/scene_tree_dock.h
@@ -105,7 +105,7 @@ class SceneTreeDock : public VBoxContainer {
 
 	Vector<ObjectID> subresources;
 
-	bool restore_script_editor_on_drag;
+	bool restore_script_editor_on_drag = false;
 	bool reset_create_dialog = false;
 
 	int current_option;
@@ -166,7 +166,7 @@ class SceneTreeDock : public VBoxContainer {
 	PopupMenu *menu_properties;
 	ConfirmationDialog *clear_inherit_confirm;
 
-	bool first_enter;
+	bool first_enter = true;
 
 	void _create();
 	void _do_create(Node *p_parent);
@@ -261,8 +261,8 @@ class SceneTreeDock : public VBoxContainer {
 	void _create_remap_for_node(Node *p_node, Map<RES, RES> &r_remap);
 	void _create_remap_for_resource(RES p_resource, Map<RES, RES> &r_remap);
 
-	bool profile_allow_editing;
-	bool profile_allow_script_editing;
+	bool profile_allow_editing = true;
+	bool profile_allow_script_editing = true;
 
 	static void _update_configuration_warning();
 
diff --git a/editor/scene_tree_editor.cpp b/editor/scene_tree_editor.cpp
index c6a8a928db..3b8c540592 100644
--- a/editor/scene_tree_editor.cpp
+++ b/editor/scene_tree_editor.cpp
@@ -1197,17 +1197,11 @@ void SceneTreeEditor::_bind_methods() {
 }
 
 SceneTreeEditor::SceneTreeEditor(bool p_label, bool p_can_rename, bool p_can_open_instance) {
-	connect_to_script_mode = false;
-	connecting_signal = false;
 	undo_redo = nullptr;
-	tree_dirty = true;
 	selected = nullptr;
 
-	marked_selectable = false;
-	marked_children_selectable = false;
 	can_rename = p_can_rename;
 	can_open_instance = p_can_open_instance;
-	display_foreign = false;
 	editor_selection = nullptr;
 
 	if (p_label) {
@@ -1249,11 +1243,7 @@ SceneTreeEditor::SceneTreeEditor(bool p_label, bool p_can_rename, bool p_can_ope
 	add_child(warning);
 	warning->set_title(TTR("Node Configuration Warning!"));
 
-	show_enabled_subscene = false;
-
 	last_hash = 0;
-	pending_test_update = false;
-	updating_tree = false;
 	blocked = 0;
 
 	update_timer = memnew(Timer);
diff --git a/editor/scene_tree_editor.h b/editor/scene_tree_editor.h
index f700182681..2466b8576a 100644
--- a/editor/scene_tree_editor.h
+++ b/editor/scene_tree_editor.h
@@ -65,8 +65,8 @@ class SceneTreeEditor : public Control {
 	AcceptDialog *warning;
 
 	bool auto_expand_selected = true;
-	bool connect_to_script_mode;
-	bool connecting_signal;
+	bool connect_to_script_mode = false;
+	bool connecting_signal = false;
 
 	int blocked;
 
@@ -92,18 +92,18 @@ class SceneTreeEditor : public Control {
 
 	bool can_rename;
 	bool can_open_instance;
-	bool updating_tree;
-	bool show_enabled_subscene;
+	bool updating_tree = false;
+	bool show_enabled_subscene = false;
 
 	void _renamed();
 	UndoRedo *undo_redo;
 
 	Set<Node *> marked;
-	bool marked_selectable;
-	bool marked_children_selectable;
-	bool display_foreign;
-	bool tree_dirty;
-	bool pending_test_update;
+	bool marked_selectable = false;
+	bool marked_children_selectable = false;
+	bool display_foreign = false;
+	bool tree_dirty = true;
+	bool pending_test_update = false;
 	static void _bind_methods();
 
 	void _cell_button_pressed(Object *p_item, int p_column, int p_id);
diff --git a/editor/script_create_dialog.cpp b/editor/script_create_dialog.cpp
index 1e6286bc9c..baafef8639 100644
--- a/editor/script_create_dialog.cpp
+++ b/editor/script_create_dialog.cpp
@@ -1026,7 +1026,6 @@ ScriptCreateDialog::ScriptCreateDialog() {
 	hb->add_child(parent_browse_button);
 	gc->add_child(memnew(Label(TTR("Inherits:"))));
 	gc->add_child(hb);
-	is_browsing_parent = false;
 
 	/* Class Name */
 
@@ -1037,8 +1036,6 @@ ScriptCreateDialog::ScriptCreateDialog() {
 	gc->add_child(class_name);
 
 	/* Templates */
-
-	is_using_templates = true;
 	gc->add_child(memnew(Label(TTR("Template:"))));
 	HBoxContainer *template_hb = memnew(HBoxContainer);
 	template_hb->set_h_size_flags(Control::SIZE_EXPAND_FILL);
@@ -1079,7 +1076,6 @@ ScriptCreateDialog::ScriptCreateDialog() {
 	Label *label = memnew(Label(TTR("Path:")));
 	gc->add_child(label);
 	gc->add_child(hb);
-	re_check_path = false;
 	path_controls[0] = label;
 	path_controls[1] = hb;
 
@@ -1116,17 +1112,4 @@ ScriptCreateDialog::ScriptCreateDialog() {
 
 	set_hide_on_ok(false);
 	set_title(TTR("Attach Node Script"));
-
-	is_parent_name_valid = false;
-	is_class_name_valid = false;
-	is_path_valid = false;
-
-	has_named_classes = false;
-	supports_built_in = false;
-	can_inherit_from_file = false;
-	is_built_in = false;
-	built_in_enabled = true;
-	load_enabled = true;
-
-	is_new_script_created = true;
 }
diff --git a/editor/script_create_dialog.h b/editor/script_create_dialog.h
index 5c0f51812f..d7c43f322c 100644
--- a/editor/script_create_dialog.h
+++ b/editor/script_create_dialog.h
@@ -66,25 +66,23 @@ class ScriptCreateDialog : public ConfirmationDialog {
 	VBoxContainer *path_vb;
 	AcceptDialog *alert;
 	CreateDialog *select_class;
-	bool path_valid;
-	bool create_new;
-	bool is_browsing_parent;
+	bool is_browsing_parent = false;
 	String template_inactive_message;
 	String initial_bp;
-	bool is_new_script_created;
-	bool is_path_valid;
-	bool has_named_classes;
-	bool supports_built_in;
-	bool can_inherit_from_file;
-	bool is_parent_name_valid;
-	bool is_class_name_valid;
-	bool is_built_in;
-	bool is_using_templates;
-	bool built_in_enabled;
-	bool load_enabled;
+	bool is_new_script_created = true;
+	bool is_path_valid = false;
+	bool has_named_classes = false;
+	bool supports_built_in = false;
+	bool can_inherit_from_file = false;
+	bool is_parent_name_valid = false;
+	bool is_class_name_valid = false;
+	bool is_built_in = false;
+	bool is_using_templates = true;
+	bool built_in_enabled = true;
+	bool load_enabled = true;
 	int current_language;
 	int default_language;
-	bool re_check_path;
+	bool re_check_path = false;
 
 	Control *path_controls[2];
 	Control *name_controls[2];
diff --git a/modules/visual_script/editor/visual_script_editor.cpp b/modules/visual_script/editor/visual_script_editor.cpp
index 6fae049056..a2e59c9cdf 100644
--- a/modules/visual_script/editor/visual_script_editor.cpp
+++ b/modules/visual_script/editor/visual_script_editor.cpp
@@ -4725,8 +4725,6 @@ VisualScriptEditor::VisualScriptEditor() {
 
 	undo_redo = EditorNode::get_singleton()->get_undo_redo();
 
-	updating_members = false;
-
 	set_process_input(true);
 
 	default_value_edit = memnew(CustomPropertyEditor);
diff --git a/modules/visual_script/editor/visual_script_editor.h b/modules/visual_script/editor/visual_script_editor.h
index e178f5cf72..5b355a71df 100644
--- a/modules/visual_script/editor/visual_script_editor.h
+++ b/modules/visual_script/editor/visual_script_editor.h
@@ -148,7 +148,7 @@ class VisualScriptEditor : public ScriptEditorBase {
 	void _update_graph_connections();
 	void _update_graph(int p_only_id = -1);
 
-	bool updating_members;
+	bool updating_members = false;
 
 	void _update_members();
 	String _sanitized_variant_text(const StringName &property_name);