XWayland is just an X server on top of Wayland. You could use it to run your whole desktop, but it's not the best use for it. It's really just great at running

XWayland is just an X server on top of Wayland. You could use it to run your whole desktop, but it's not the best use for it. It's really just great at running legacy applications without a Wayland version (especially old games and such).