Weird resizing issues in OpenGL apps when switching to Plasma 6.3

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1

KDE Plasma 6.3.0

I have a strange behavior in glxgears and an app i made using SkiaSharp, which internally uses OpenGL. When I resize the window, the content covers it really slow instead of instantly. Since this isssue is also present in glxgears, I assume it’s not my code at fault, since this only started to happen after I upgraded to Plasma 6.3.0. Also, the app runs fine on Windows 11.

Is there a setting that should be enabled that restores the old behaviour or should I report a bug on KDE Plasma Bugzilla?

glxgears_bug
ogl_app_bug

2

You can report a bug for kwin.

Please add details kinfo.

It seems the OpenGl surface is slow to update itself to the new size.

3

Thank you for the response. I will close this discussion as it is a bug. I thought maybe it was an intentional change, but it’s not.