That's not a bug, it's just confusing design.
To be able to configure the shell theme you first need to:
sudo apt install gnome-shell-extensions
** Changed in: gnome-shell (Ubuntu)
Status: New => Invalid
--
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/1845967
Title:
gnome-shell missing Theme (warning icon)
Status in gnome-shell package in Ubuntu:
Invalid
Bug description:
1. Open "tweaks" application
2. Go to "Appearance"
Themes - Shell does not have anything selected, and a warning icon and the
dropdown is disabled.
See screenshot.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1845967/+subscriptions
--
Mailing list: https://launchpad.net/~desktop-packages
Post to : [email protected]
Unsubscribe : https://launchpad.net/~desktop-packages
More help : https://help.launchpad.net/ListHelp