While looking at the issue again today I noticed another thing that complicates the matters. The new apt in backports would have a different ABI than the one in dapper. So a backport would mean we need rebuilds or backports of all rdependencies of apt as well.
-- update-manager for edgy needs to upgrade dpkg/apt before calculating the upgrade to support the new "breaks" https://launchpad.net/bugs/54234 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
