I am facing the same issue with Kubuntu 18.04. Even with the command `sudo do-release-upgrade -d` I get the following error
``` Checking for a new Ubuntu release Please install all available updates for your release before upgrading. ``` -- 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
