I'm experiencing the same issue. The PDF is not printed fully fitted to the A4 size — it slightly exceeds the page borders. When I test the same PDF with version 9.23, it works correctly, but with the current version 10.05.1, it doesn't.
Thanks in advance to anyone who can help.

gswin64c.exe -q -dBATCH -dNOPAUSE -dPrinted -sDEVICE=mswinpr2 -sOutputFile="%printer%Brother" -dDEVICEWIDTHPOINTS=595 -dDEVICEHEIGHTPOINTS=842 -dFIXEDMEDIA -dPDFFitPage -sPageList=1 -c "<< /Duplex true >> setpagedevice" -f "C:\test.pdf"