This is now fixed in the development Ubuntu release (gnome-flashback 3.37.3). A fix for stable release (Ubuntu 20.04) will be available a bit later.
** Also affects: gnome-flashback (Ubuntu Focal) Importance: Undecided Status: New ** Changed in: gnome-flashback (Ubuntu) Status: Confirmed => Fix Released ** Changed in: gnome-flashback (Ubuntu Focal) Status: New => In Progress -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1891855 Title: Connecting external monitor while screen is locked reveals desktop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-flashback/+bug/1891855/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs