https://gitlab.gnome.org/GNOME/gnome-shell/issues/460#note_331931 seems to offer a pretty compelling explanation of why this might be seen inadvertently.
** Bug watch added: gitlab.gnome.org/GNOME/gnome-shell/issues #460 https://gitlab.gnome.org/GNOME/gnome-shell/issues/460 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772791 Title: Lock/login screen displays password in clear text occasionally To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1772791/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs