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Platform/s:

iOS/tvOS/watchOS
Commits:
e56b2d7a9e (qt/qtbase/dev) e56b2d7a9e (qt/tqtc-qtbase/dev) c9dc8b9945 (qt/qtbase/6.3) d4bba108fd (qt/tqtc-qtbase/6.2) 5fcdf04628 (qt/qtbase/6.4) c9dc8b9945 (qt/tqtc-qtbase/6.3) 5fcdf04628 (qt/tqtc-qtbase/6.4) 01f3e67142 (qt/tqtc-qtbase/5.15)

In the following code, when the messagebox is executed, the dialog doesn't appear and
the application freezes.


void MainWindow::on_pushButton_clicked()
{
    QMessageBox::information(this,"Message", "Button A pressed");
}

How to reproduce
1. Use qtbug98651.zip
2. Press any button.

Expected behavior:
The message dialog appears

Actual behavior:
Nothing happens and the application freezes.

Note: This works fine with iOS 14.8

is duplicated by

QTBUG-103583 QDialog don't work on ipad 9th Generation

QTBUG-98985 [iOS 15] Application freezes when QPushButton that has QMenu is clicked

QTBUG-103871 Application freezes on exec without activating exec'd item

For Gerrit Dashboard: QTBUG-98651
#	Subject	Branch	Project	Status	CR	V
417001,2	iOS: Send touch events asynchronously to avoid deadlocking UIKit event loop	dev	qt/qtbase	Status: MERGED	+2	0
419893,2	iOS: Send touch events asynchronously to avoid deadlocking UIKit event loop	6.4	qt/qtbase	Status: MERGED	+2	0
419894,2	iOS: Send touch events asynchronously to avoid deadlocking UIKit event loop	6.3	qt/qtbase	Status: MERGED	+2	0
419895,2	iOS: Send touch events asynchronously to avoid deadlocking UIKit event loop	tqtc/lts-6.2	qt/tqtc-qtbase	Status: MERGED	+2	0
419936,2	iOS: Send touch events asynchronously to avoid deadlocking UIKit event loop	tqtc/lts-5.15	qt/tqtc-qtbase	Status: MERGED	+2	0