The day is finally here. Xwayland now has the code for Explicit GPU Synchronization merged after waiting over a year for everything to be ready.
This merge resquest has finally been merged into XWayland, which means NVIDIA users are just one beta driver release away (May 15th) from probably having a good experience on Wayland now!
Cannot confirm any Nvidia unique X11 bugs since everything works perfectly fine since a decade or so for me β but tons of Nvidia unique Wayland bugs (same driver version and same card). I am not quite sure if Nvidia are really the bad one in this specific case.
My whole invironment is full of stuff to make Wayland actually work with Nvidia.
You miss the entire point of WMs then.
You're complaining about 7 lines of configs when the entire point of WMs is for you to literally customize everything through configs.
Shit, you probably don't even need half of that crap. QT_QPA_PLATFORM=wayland is already handled by qt, you only need that when running apps across Waypipe from a headless server environment. By default QT infers your environment from $DISPLY which is always :0 in Wayland.
I don't see any graphical glitches on my hardware.
Perhaps you're still on the qt5 version?
Maybe a bug with your Nvidia driver?
Perhaps your WM doesn't have explicit sync yet and your card & driver needs it in this particular case? Perhaps it's running under XWayland?
Wayland#Qt : While it shouldn't be necessary, to explicitly run a Qt application with the Wayland plugin, use -platform wayland or QT_QPA_PLATFORM=wayland environment variable.
As it says above, it should really be inferred by default. Something weird is going on here.