It's possible this is not an input or focus issue at all. It's possible GTK is failing to notify Mir of some window redraws in multi-window apps so some windows (sometimes) appear to freeze.
** Summary changed: - GTK apps on Mir: Input focus is unreliable and sporadic. Background windows ignore input and/or focus switches apparently randomly. + Multi-window GTK apps in Mir are randomly unresponsive, seem to freeze -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1445543 Title: Multi-window GTK apps in Mir are randomly unresponsive, seem to freeze To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1445543/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs