I don't have a Hi-DPI screen so I'm unsure about all the details. My understanding is that you need to configure HiDPI for Qt apps separately.
I think that GNOME Shell 3.25.90 doesn't really support HiDPI for X, just for Wayland. That may be a regression, but Hi-DPI support in GNOME Shell has been redesigned to prepare to support fractional scaling in Wayland in a future release and it may be a lot more complicated for all that to work well on X too. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1713323 Title: HiDPI support partially broken after upgrade to Gnome 3.25 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1713323/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs