I ran
$ sudo aptitude update && sudo aptitude upgrade
multiple times in Gusty with reboots in between, making sure the proposed repository is enabled and I still go to http://www.ubuntu.com/getubuntu/releasenotes/610
I ran
$ sudo aptitude update && sudo aptitude upgrade
multiple times in Gusty with reboots in between, making sure the proposed repository is enabled and I still go to http:// www.ubuntu. com/getubuntu/ releasenotes/ 610