Attached another example of wrong grouping. Here 4 packages related to apt is shown as belonging to Skype (also a package from a PPA).
** Attachment added: "screenshot of another example of wrong grouping" https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1214218/+attachment/5086889/+files/Screenshot%20from%202018-03-22%2011-45-01.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1214218 Title: Package shown inside wrong group in tree view To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1214218/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs