Ah, you also have the universe repository of the Ubuntu archive disabled and that is where ubuntu-mate-desktop comes from. You'll need to enable universe and install ubuntu-mate-desktop and try the upgrade again.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1888535 Title: upgrade to 20.04 fails with can't install ubuntu-mate-core message To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1888535/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
