This looks like a comprehensive list of upgrading choices. It seems the live CD can do it too since Natty: http://askubuntu.com/questions/12909/how-do-i-upgrade-to-the-development-release-aka-ubuntu1
As for finding the root cause I have no idea. Sorry. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/774289 Title: No notification of Natty upgrade -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
