Interesting results, in a nutshell it seems like Wayland/Xwayland performance on both nVidia and AMD wins slightly more than it loses. Once VRR is live in nVidia 545 series driver, for 3D games, Wayland is looking to deliver a great experience. Performance when Wine’s Wayland code is ready to mainline will be very interesting given that Xwayland needs will be negated at that point.
My main issue with Wayland is screen recording. There are limitations to what you can record and in discord’s case what you can steam. I can’t steam individual game windows, it just shows up as a black screen. I refuse to use one of the updated clients in the AUR because regardless of what anyone says, that is in fact against the discord TOS, and I run a server with my close friends. I won’t run the risk of getting my account banned all because I want to steam my desktop. I’m just gonna switch back to x11, the performance difference is negligible. I like Wayland for what it could be but at it stands there are just too many little things that get in the way.