Due to marco depending on serveral mate package, you could try this version that build gtk3 directly, and compare the differences with metacity 3.18.4, considering the above 4 issues.
sudo add-apt-repository ppa:ghostplant/testing sudo apt-get update sudo apt-get source gmarco -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1538111 Title: untraceable serious bug in metacity 3.18 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/metacity/+bug/1538111/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs