I too have been using Firefox on Wayland for some time now (on Arch Linux). I'm not quite sure when that switch was made though. I recall for some time I had to

I too have been using Firefox on Wayland for some time now (on Arch Linux). I'm not quite sure when that switch was made though. I recall for some time I had to manually set that flag myself, but I just checked and apparently I've been running on Wayland by default for some time now.