Haven't tested yet, but bug 1575765 has reminded me this probably should not be expected to work.
Without a pointer grab, Compiz will be intercepting the Alt+drag. Indeed, the click and drag should never reach the Mir server. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1575192 Title: Mir-on-X11 breaks mir_proving_server resize logic To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1575192/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs