Full screen view (Win 10)

Hi,
when I change to full screen view (F 11) from a maximized window in Windows 10, and switch back (F 11), the view isn’t maximized anymore.
Not very important, but it feels unusual.

Unfortunately this is quite difficult to fix, though I agree it would be better if it returned to a maximised view if that was the size of the window prior to entering full screen mode.