The commits in http://bazaar.launchpad.net/~ubuntu-core-dev/update-manager/main/ -r590 and -r591 should be backported to feisty-updates (and possible to edgy-updates).
The commits in http:// bazaar. launchpad. net/~ubuntu- core-dev/ update- manager/ main/ -r590 and -r591 should be backported to feisty-updates (and possible to edgy-updates).