OBS won't capture Game, Screen or Window in Xwayland

Bazzite
1

Hello, I’m launching Flaptak OBS with QT_QPA_PLATFORM=xcb (using Flatseal) so I have docks. But Window and Display Captures remain black at all time as does Game Capture (with OBS_VKCAPTURE=1 set in Steam obviously).

Any solution to this?