I found the answer. In synaptic, under settings -> preferences -> distribution, the behaviour selected was "Prefer version from [ feisty ]". I changed this to "Always prefer the highest version". I can now update Ubuntu. The confusion is solved and Ubuntu is now fine.
If someone can close the bug then please do so. -- update manager is showing "updates available" but no update is available https://bugs.launchpad.net/bugs/128332 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
