It affects many apps (e.g. Firefox, Chrome, any chromium-based apps) and some gnome ui itself. Attaching another screenshot. Here you can see the settings window is normal, but the context menu and chrome window are double scaled (and the mouse cursor also, when hovering over those windows)
** Attachment added: "Screenshot-20180315192411-4480x1440.png" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1756073/+attachment/5080476/+files/Screenshot-20180315192411-4480x1440.png -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1756073 Title: Display scaling doesn't work properly on second display To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1756073/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs