Not sure if that should be a bug anymore. In Ubuntu 19 and 20 I have started to use melpa which allows to install custom and safe color themes.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1817480 Title: Emacs color-theme package is gone from version 40.1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/emacs-goodies-el/+bug/1817480/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs