David, can you try [1]? I just tried it, the patch works great on my 4k monitor.
[1] https://code.launchpad.net/~azzar1/unity/round-gtk-scaling-to- closest-integer/+merge/313459 ** Changed in: unity (Ubuntu) Assignee: Kai-Heng Feng (kaihengfeng) => (unassigned) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1649736 Title: unity picks poor hidpi scale factor defaults To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1649736/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs