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@krosylight Gamescope doesn't really handle Wayland (xdg-shell) clients. It has some very basic support, but not nearly enough to handle apps like Firefox, so it all goes through X11 over XWayland.

@dos Meaning, yours says X11?

@krosylight Everyone's say X11 and always did.

@krosylight Which part of "everyone" is ambiguous? Yes, mine too.

@dos Some people just reference what other people say without checking themselves, so just wanted to check that

Thanks for the info about gamescope! I saw many posts about setting MOZ_ENABLE_WAYLAND (which is now the default) on Steam Deck to make it use wayland, and are you saying it's never been useful at all?

@krosylight Not in gaming mode at least. It may make sense when used with nested kwin_wayland for example (which is how I usually run Plasma on my Deck), but it's useless when used directly under gamescope.

You could run gamescope with `--expose-wayland` parameter, but even then it will only work with very simple apps; definitely not with Firefox