Yes, I can reproduce as well *sometimes* - The back area is actually the shadows mutter adds to server-side decorations with the X11 backend.
- It seems fairly random - Moving the window might make the issue go away.
- It seems to affect some apps more than others (FF, TB whereas I cannot reproduce with xterm for example)
- It doesn't seem to be HW/driver related
Yes, I can reproduce as well *sometimes* - The back area is actually the shadows mutter adds to server-side decorations with the X11 backend.
- It seems fairly random - Moving the window might make the issue go away.
- It seems to affect some apps more than others (FF, TB whereas I cannot reproduce with xterm for example)
- It doesn't seem to be HW/driver related