After downgrading gnome-shell and gnome-shell-common to version 3.28.2-0ubuntu1 all is back to normal.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1783363 Title: Use of activities in GNOME Shell 3.28.3 prohibits applications from being displayed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1783363/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
