Oh wow, I think I just managed to reproduce this on my Iris laptop - in a fresh session with Xwayland on demand. That and comment 45 points to a race condition in the FF code regarding switching between composited and non-composited X11.
Oh wow, I think I just managed to reproduce this on my Iris laptop - in a fresh session with Xwayland on demand. That and comment 45 points to a race condition in the FF code regarding switching between composited and non-composited X11.