This new version includes the following features:
Support for Reviewing Still Images. Now with higher resolution, pan & zoom, and improved color quality.
Redesigned Overlay Player & New Image Attachment Viewer. Interface improvement.
Support for Different Project Workflows (i.e. film, TV, games) on the same Shotgun site.
Smart(er) Thumbnails. New option to show the latest version to see how work is progressing.
Powerful New Ways to Connect Your Data
See more detailed information in their web.