Wait, it happened again. It turns out, to workaround, I do:
unity-window-decorator --replace ** Changed in: unity Status: Invalid => New ** Changed in: unity (Ubuntu) Status: Invalid => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/945986 Title: windows lose frame when maximized To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/945986/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs