Thanks for your report! You are indeed right, you can't change the background separately any longer in Ubuntu 20.10.
The upstream docs has been corrected to reflect this:
https://gitlab.gnome.org/GNOME/gnome-user-docs/-/commit/296ff6db
and that correction will be included in Ubuntu 21.04.
Thanks for your report! You are indeed right, you can't change the background separately any longer in Ubuntu 20.10.
The upstream docs has been corrected to reflect this:
https:/ /gitlab. gnome.org/ GNOME/gnome- user-docs/ -/commit/ 296ff6db
and that correction will be included in Ubuntu 21.04.