I've updated the meta-release file and you no longer need to use '-d' to upgrade to 20.04.
** Changed in: ubuntu-release-upgrader (Ubuntu) Status: Confirmed => Fix Released ** Changed in: update-manager (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1890936 Title: trying upgrade 18.04.5 to 20.04.1 - "There is no development version of an LTS available." To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1890936/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs