When I first installed the system, I had 5 items in the settings for scaling settings: 100% 125% 150% 175% 200%, which suited me fine. After the first reboot, there were only 3 points 100% 200% 300%. How do I get the old scaling back? I need 125% zoom since I have a 14 inch screen with 2560 1440 resolution.
Welcome to the forum! 
With a Wayland session, there are more scaling options by default.
With a Xorg session, see [HowTo] Gnome Xorg Fractional (per monitor) Scaling
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