Sorry that the report stayed unattended for a long time. In any case current versions of upgrade-manager warn about disabling all third-party repositories during update. Please feel free to reopen the but (by marking it as "new" ) if you believe this is still an issue with currently supported versions of Ubuntu.
** Package changed: update-manager-core (Ubuntu) => update-manager (Ubuntu) ** Changed in: software-properties (Ubuntu) Status: New => Invalid ** Changed in: update-manager (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/225040 Title: gutsy upgrade didn't update third-party software list in software sources To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/225040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs