Thanks Olivier. The guide refers to archive.ubuntu.com which does not have focal-proposed. I changed the mirror to archive.canonical.com. Works great, no issues with the install. No problems with the transition from 68.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1895643 Title: Backport Thunderbird 78 to 20.04 LTS and 18.04 LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1895643/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
