I would think mutter uses the same incorrect algorithm to draw the borders whether square or rounded but the mistake is only visible with rounded corners.
-- window title bars display incorrectly in mutter https://bugs.launchpad.net/bugs/618359 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs