It breaks some kinds of things, not all. Those some things are things, you shouldn't do in the first place, like snooping on windows and events that do not bel

It breaks some kinds of things, not all. Those some things are things, you shouldn't do in the first place, like snooping on windows and events that do not belong to your app or injecting events that end up being processed by other apps. If you don't do that, Wayland is fine.