Thanks. That led me to discover it was the presence of QT_QPA_PLATFORMTHEME that caused the failure.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1626804 Title: Qt apps can't run under Mir [Gtk-WARNING **: cannot open display: ] To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1626804/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
