No specific info about version 2.1. Please visit the main page of Nikon Transfer on Mac Informer.
Info updated on:
It informs users about the latest updates to Nikon software &
Controls most functions of Nikon digital SLRs from a computer.
Preview and copy wirelessly JPEG and RAW image files.
This app allows you to transfer data from Android to iPhone on Mac.
This app allows you to copy data from iPhone to Android directly on Mac.