[Windows 11] HELP! My image is cut-off in fullscreen!

[JHGuitarFreak]

The most common contributor to this is the Windows built in DPI settings that scales UI for larger resolutions.
You can fix this one of two ways, by setting the UI scaling in Windows to 100% or overriding the scaling on UQM itself.

For overriding on UQM itself:
Right click on the EXE -> click Properties -> click over to the Compatibility tab -> click Change high DPI settings -> click Override high DPI scaling behavior -> set Scaling performed by: to Application
It should look like this: