I'm not super familiar with arch so maybe I'm missing a piece. AMD drivers are open source and integrated in the kernel. Every AMD GPU I've had since that happens has #JustWorked under Fedora and Ubuntu. I hope you're experience is as good!

upgraded to godot 4.3 on the 1st of september. not much to say here, upgraded and everything JustWorked (tm) ❤️ #godotengine#madewithgodot