Ubuntu
gnome-shell package

  1. Bug #1827751
  2. Comment #9

Comment 9 for bug 1827751

Revision history for this message
Sebastien Bacher (seb128) wrote : Re: Lock screen displayed after screen blanking even when lock screen disabled

Thanks for the details, the screen is not locked in your case.
That has been reported upstream as https://gitlab.gnome.org/GNOME/gnome-shell/issues/681
You might want to comment on the gitlab to explain why you find it disturbing