Removed keys, which are no longer in use by the current series by have been used by previous series are always shipped in the /usr/share/keyrings/ubuntu-archive-removed-keys.gpg and similar, which are not trusted by the new systems by default.
So I'm not sure what you are asking for ubuntu-keyring to ship. We always provide all the keys that have been ever in use. ** Changed in: ubuntu-keyring (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1809027 Title: Make retired Ubuntu keyrings available from the archive To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-keyring/+bug/1809027/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs