The update-manager actually disables resizing for its window -> self.set_resizable(False), so I do not think that this is a bug in xfwm4.
https://bazaar.launchpad.net/~ubuntu-core-dev/update- manager/main/view/head:/UpdateManager/UpdateManager.py#L130 ** Also affects: update-manager (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1737320 Title: Update Manager - Resize control disabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1737320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs