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 Touch seeded packages, which is subscribed to gtk+3.0 in Ubuntu. https://bugs.launchpad.net/bugs/1445543 Title: Multi-window GTK apps in Mir are randomly unresponsive, seem to freeze Status in Mir: New Status in gtk+3.0 package in Ubuntu: New Bug description: GTK apps on Mir: Input focus is unreliable and sporadic. Background windows ignore input and/or focus switches apparently randomly. To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1445543/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp

