I think the best thing that could happen would be to be able to add shaders to windows in Wayland.
When MacOS 9 was a thing, I had an extension called “out of context menus” that added options such as “Gaussian blur” the the context menus so you could blur a window.
When MacOS 9 was a thing, I had an extension called “out of context menus” that added options such as “Gaussian blur” the the context menus so you could blur a window.