When you get to multi displays with different native dot pitches you start running into issues. I have not been able to easily get my laptop to handle it's 4k internal monitor and a 2560x1440 external smoothly. Issues occur when I unplug the monitor and debugging microscopic 4k fonts isn't fun. Nor is 75 arcane commands from the internet and 14 ui tools that don't quite do what I need.

This happens on Mac and windows but on windows I just use force resolution on the Nvidia driver to add one extra mode, and on Mac switch res x did it.

So sadly Mac is my main good travel PC option.

Yeah I need to tweak a bit between xrandr scaling and xdg dpi, then force specific apps as well. Not ideal, but enough tweaking got it done.