[Development] Is it a known bug in Qt5: https://bugreports.qt.io/browse/QTBUG-111754 ?

[Ulf Hermann]

>      The bug is not reproduce in Qt 6.4.2, but I can't found a exists 
> issue in bugreports.qt.io. Maybe my Qt 5 is not latest version? It's Qt 
> 5.15.8, Is this bug fixed in the private Qt code?

https://bugreports.qt.io/browse/QTBUG-97427 is what you're looking for. 
I've linked it in QTBUG-111754. It's fixed in Qt 6.2.1. I'm not going to 
pick the fix back to 5.15.

The fix is https://codereview.qt-project.org/c/qt/qtdeclarative/+/376174

best,
Ulf