All three of those apps (Firefox, Chrome/Chromium, and the part of Nautilus which draws the desktop background and provides that context menu in the screenshot) are using XWayland.
My understanding is that only native Wayland apps support display scaling correctly. -- 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
