Table of Content
This is because of how Steam recognizes high resolution monitors and scaling in Xorg
. You will have to edit your Steam shortcut so that it uses it's own scaling as it doesn't honor the system scaling.
To do that:
sudo nano /usr/share/applications/steam. Desktop
change Exec=/usr/bin/steam %U
to Exec=env GDK_SCALE=2 /usr/bin/steam %U
and save it.