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 User Story
        
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    Resolution: Duplicate
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  Not Evaluated                     
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    None
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    6.4.1
 
Hey,
when using the FramelessWindowHint flag on a Qt Application Window, Windows' Areo Snap functionality stops working.
On Windows 10:
- Windows + Arrow Keys do not work
 - Snap after startSystemMove() does not work
 - Dropshadow missing
 
On Linux (GNOME + Mutter WM + X)
- Windows + Arrow Keys work
 - Snap after startSystemMove() works
 - Dropshadow there
 
On Linux (GNOME + Mutter WM + Wayland)
- Windows + Arrow Keys work
 - Snap after startSystemMove() works
 - Dropshadow missing
 
Please find a minimal working example in Python: https://github.com/trin94/framelesswindow-arrow-keys-windows
I've also added a screen recording on Windows and a recording on Linux (X server).
Please also see QTBUG-84466