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Bug
 - 
    Resolution: Fixed
 - 
    
P2: Important
 - 
    None
 - 
    6.0.3, 6.1.0
 - 
    None
 - 
    macOS 11 Big Sur
 
Steps to reproduce:
- Open "Scene Graph - OpenGL Under QML" example in Qt Creator
 - Build and run it
 - Try to resize the application window
 
The content of the window blinks on resize. Sometimes it becomes gray.
You can see reproduction steps in the attached video QT6_resize_problem.m4v