4 files changed, 31 insertions, 9 deletions

diff --git a/scene/main/node.cpp b/scene/main/node.cpp
index 7b6c90766f..217dacfbfe 100644
--- a/scene/main/node.cpp
+++ b/scene/main/node.cpp
@@ -2832,6 +2832,8 @@ void Node::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("rset_unreliable", "property", "value"), &Node::rset_unreliable);
 	ClassDB::bind_method(D_METHOD("rset_unreliable_id", "peer_id", "property", "value"), &Node::rset_unreliable_id);
 
+	ClassDB::bind_method(D_METHOD("update_configuration_warning"), &Node::update_configuration_warning);
+
 	BIND_CONSTANT(NOTIFICATION_ENTER_TREE);
 	BIND_CONSTANT(NOTIFICATION_EXIT_TREE);
 	BIND_CONSTANT(NOTIFICATION_MOVED_IN_PARENT);
diff --git a/scene/main/scene_tree.cpp b/scene/main/scene_tree.cpp
index 0465c9305b..38ad6886b1 100644
--- a/scene/main/scene_tree.cpp
+++ b/scene/main/scene_tree.cpp
@@ -70,15 +70,25 @@ float SceneTreeTimer::get_time_left() const {
 }
 
 void SceneTreeTimer::set_pause_mode_process(bool p_pause_mode_process) {
-	if (process_pause != p_pause_mode_process) {
-		process_pause = p_pause_mode_process;
-	}
+
+	process_pause = p_pause_mode_process;
 }
 
 bool SceneTreeTimer::is_pause_mode_process() {
 	return process_pause;
 }
 
+void SceneTreeTimer::release_connections() {
+
+	List<Connection> connections;
+	get_all_signal_connections(&connections);
+
+	for (List<Connection>::Element *E = connections.front(); E; E = E->next()) {
+		Connection const &connection = E->get();
+		disconnect(connection.signal, connection.target, connection.method);
+	}
+}
+
 SceneTreeTimer::SceneTreeTimer() {
 	time_left = 0;
 	process_pause = true;
@@ -561,6 +571,8 @@ bool SceneTree::idle(float p_time) {
 		E = N;
 	}
 
+	flush_transform_notifications(); //additional transforms after timers update
+
 	_call_idle_callbacks();
 
 #ifdef TOOLS_ENABLED
@@ -610,6 +622,12 @@ void SceneTree::finish() {
 		memdelete(root); //delete root
 		root = NULL;
 	}
+
+	// cleanup timers
+	for (List<Ref<SceneTreeTimer> >::Element *E = timers.front(); E; E = E->next()) {
+		E->get()->release_connections();
+	}
+	timers.clear();
 }
 
 void SceneTree::quit() {
diff --git a/scene/main/scene_tree.h b/scene/main/scene_tree.h
index d387886d61..ef847ebb5b 100644
--- a/scene/main/scene_tree.h
+++ b/scene/main/scene_tree.h
@@ -61,6 +61,8 @@ public:
 	void set_pause_mode_process(bool p_pause_mode_process);
 	bool is_pause_mode_process();
 
+	void release_connections();
+
 	SceneTreeTimer();
 };
 
diff --git a/scene/main/viewport.cpp b/scene/main/viewport.cpp
index 39c5759871..95536bbb23 100644
--- a/scene/main/viewport.cpp
+++ b/scene/main/viewport.cpp
@@ -1465,18 +1465,19 @@ void Viewport::_gui_show_tooltip() {
 	rp->add_child(gui.tooltip_popup);
 	gui.tooltip_popup->force_parent_owned();
 	gui.tooltip_popup->set_as_toplevel(true);
-	//gui.tooltip_popup->hide();
+	if (gui.tooltip) // Avoids crash when rapidly switching controls.
+		gui.tooltip_popup->set_scale(gui.tooltip->get_global_transform().get_scale());
 
 	Point2 tooltip_offset = ProjectSettings::get_singleton()->get("display/mouse_cursor/tooltip_position_offset");
 	Rect2 r(gui.tooltip_pos + tooltip_offset, gui.tooltip_popup->get_minimum_size());
 	Rect2 vr = gui.tooltip_popup->get_viewport_rect();
-	if (r.size.x + r.position.x > vr.size.x)
-		r.position.x = vr.size.x - r.size.x;
+	if (r.size.x * gui.tooltip_popup->get_scale().x + r.position.x > vr.size.x)
+		r.position.x = vr.size.x - r.size.x * gui.tooltip_popup->get_scale().x;
 	else if (r.position.x < 0)
 		r.position.x = 0;
 
-	if (r.size.y + r.position.y > vr.size.y)
-		r.position.y = vr.size.y - r.size.y;
+	if (r.size.y * gui.tooltip_popup->get_scale().y + r.position.y > vr.size.y)
+		r.position.y = vr.size.y - r.size.y * gui.tooltip_popup->get_scale().y;
 	else if (r.position.y < 0)
 		r.position.y = 0;
 
@@ -2373,7 +2374,6 @@ void Viewport::_gui_remove_from_modal_stack(List<Control *>::Element *MI, Object
 	List<Control *>::Element *next = MI->next();
 
 	gui.modal_stack.erase(MI);
-	MI = NULL;
 
 	if (p_prev_focus_owner) {