Always call raise() before activateWindow().

Telegram/SourceFiles/calls/group/ui/desktop_capture_choose_source.cpp

@@ -283,6 +283,7 @@ void ChooseSourceProcess::activate() {
 	} else {
 		_window->show();
 	}
+	_window->raise();
 	_window->activateWindow();
 }
 

Telegram/SourceFiles/core/crash_report_window.cpp

@@ -59,6 +59,7 @@ void PreLaunchWindow::activate() {
 	setWindowState(windowState() & ~Qt::WindowMinimized);
 	setVisible(true);
 	psActivateProcess();
+	raise();
 	activateWindow();
 }
 

Telegram/SourceFiles/dialogs/dialogs_widget.cpp

@@ -1332,6 +1332,7 @@ void Widget::dropEvent(QDropEvent *e) {
 			controller()->content()->onFilesOrForwardDrop(
 				peer->id,
 				e->mimeData());
+			controller()->widget()->raise();
 			controller()->widget()->activateWindow();
 		}
 	}

Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp

@@ -2235,6 +2235,7 @@ void OverlayWidget::setFocus() {
 }
 
 void OverlayWidget::activate() {
+	_widget->raise();
 	_widget->activateWindow();
 	QApplication::setActiveWindow(_widget);
 	setFocus();

Telegram/SourceFiles/platform/win/main_window_win.cpp

@@ -229,6 +229,7 @@ void MainWindow::psRefreshTaskbarIcon() {
 	palette.setColor(QPalette::Window, (isActiveWindow() ? st::titleBgActive : st::titleBg)->c);
 	refresher->setPalette(palette);
 	refresher->show();
+	refresher->raise();
 	refresher->activateWindow();
 
 	updateIconCounters();

Telegram/SourceFiles/window/notifications_manager_default.cpp

@@ -916,6 +916,7 @@ void Notification::showReplyField() {
 	if (!_item) {
 		return;
 	}
+	raise();
 	activateWindow();
 
 	if (_replyArea) {
@@ -1039,6 +1040,7 @@ bool Notification::eventFilter(QObject *o, QEvent *e) {
 	if (e->type() == QEvent::MouseButtonPress) {
 		if (auto receiver = qobject_cast<QWidget*>(o)) {
 			if (isAncestorOf(receiver)) {
+				raise();
 				activateWindow();
 			}
 		}

Telegram/SourceFiles/window/window_session_controller.cpp

@@ -67,6 +67,7 @@ constexpr auto kMaxChatEntryHistorySize = 50;
 
 void ActivateWindow(not_null<SessionController*> controller) {
 	const auto window = controller->widget();
+	window->raise();
 	window->activateWindow();
 	Ui::ActivateWindowDelayed(window);
 }

Telegram/lib_ui

@@ -1 +1 @@
-Subproject commit 02049aeaa8806ef5d23fbf050be7e341e2d5bbde
+Subproject commit b1d5ed4ab503635f9e0f9ee5d2a34e2975042014