Are you able to tell if the apps are running native GTK-on-Mir and not using Xmir?
If under Xmir then this would be a duplicate of bug 1498738 ** Changed in: canonical-devices-system-image Status: New => Incomplete ** Changed in: gtk+3.0 (Ubuntu) Status: New => Incomplete ** Tags added: unity8-desktop -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1665312 Title: [unity8][gtk] wrong tooltips position To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1665312/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs