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@emersion wleird looks useful, but I always thought such a thing should be called Wayland Test Fuzzer. It has a nice abbreviation.
@emersion on a more serious note, what does the subsurface one do? Skimming through the code, nothing jumps out at me as particularly wierd.
@wmww It's just reordering them, which is almost never done by common clients. It also lets you move subsurfaces behind the parent surface.
