The standard was Extended Window Manager Hints [0].
Above X11, implemented by GTK and everyone else. Right.
However... Wayland makes it impossible to implement EWMH. Which means the enrire EMWH standard needs to be tossed, and everyone needs to make something new.
You can't even get the title of a window, under Wayland. That's private to that process tree.
Wayland requires accessibility be implemented at the application level, not the window manager. And thats guaranteed to make it always broken for a majority of use cases.
Above X11, implemented by GTK and everyone else. Right.
However... Wayland makes it impossible to implement EWMH. Which means the enrire EMWH standard needs to be tossed, and everyone needs to make something new.
You can't even get the title of a window, under Wayland. That's private to that process tree.
Wayland requires accessibility be implemented at the application level, not the window manager. And thats guaranteed to make it always broken for a majority of use cases.
[0] https://specifications.freedesktop.org/wm/latest/