(sorry i do not see how to add to my previous comment above) come to think of it in my case the problem might have been caused by over-zealous usage of deborphan
I have installed plasma-desktop and purged the system from all '*budgie*' packages, then run apt purge $( deborphan ) now neither deborphan nor "apt autoremove" find any candidate for removal anymore, but this is my scenario that lead to not being able to upgrade anymore -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1764858 Title: Can't update / install / delete packages To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1764858/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs