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This criticism of Wayland with NVIDIA drivers surprises me every time I see it, because I've been on Wayland a few years with NVIDIA hardware (both very old and very new) and it's all cool.

But I'm on Fedora. Are you on a different distribution? Ubuntu?

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Last time I tried the 535 driver, GPU copies from XWayland and Wayland were broken, as well as Vulkan in Wayland. Pretty much the only thing which works are GL applications in Wayland. I found that both of these had been previously reported by other issues: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1444 https://github.com/NVIDIA/egl-wayland/issues/72

I'm curious what kind of workloads you were running that you have had no issues. I wouldn't expect XWayland to have worked at all before Nvidia added GBM support.

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