When running a development release of Ubuntu you will frequently receive messages when trying to run update-manager that it could not calculate the upgrade. This is expected and happens due to the amount of changes occuring in the repository.
** Changed in: update-manager (Ubuntu) Status: New => Invalid -- update-manager could not calculate the upgrade https://bugs.launchpad.net/bugs/138393 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs