If the problem relates to workspace switching in 18.04 then there's also a good chance that this is bug 1812527.
Sorry I am unable to reproduce any such problems here, yet. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1817682 Title: Ubuntu 18.04 interface freeze - during video call or screen sharing (using Slack or Zoom) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1817682/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs