No problem, the biggest ones I tried were Godot, Krita, and Steam. Godot does not run on Wayland although support seems to be planned somewhere down the pipeline. Krita "runs" on Wayland but a lot of the features do not work nor does pen support last time I checked. Steam just doesn't work.
Edit: A commenter on this thread mentioned Emacs. I have not tried that as I have recently switched to Emacs but if that is true then that would also be a big one for me.
I have no beef with Wayland specifically and I agree that if you are harassing maintainers of any project you're probably an asshole. However,
>Maybe Wayland doesn’t work for your precious use-case. More likely, it does work, and you swallowed some propaganda based on an assumption which might have been correct 7 years ago.
I'm a game developer. None of the software I use works reliably or at all on Wayland. None of it. And I'm completely fine with that, I'll keep using Xorg and you can give me a call when my "precious use-case" is handled.