Ok, I looked a bit, and it appears Firefox is trying to use the GDK-Mir backend, but I'm guessing the GDK-Mir backend is not mature enough yet (?), so the app bails.
Definitely not an Xmir issue as Xmir is not even trying to be used in this case.
Ok, I looked a bit, and it appears Firefox is trying to use the GDK-Mir backend, but I'm guessing the GDK-Mir backend is not mature enough yet (?), so the app bails.
Definitely not an Xmir issue as Xmir is not even trying to be used in this case.