Minor build 1.66.02 is available for 1.66 owners via automatic update.
Make sure you run 3ds max as Administrator before update, otherwise you may have downloading failure.
New build provides two new features: Revive Dead by Continuity and Revive Dead by offset.
Video overview:
https://www.youtube.com/watch?v=DiPgOHihHf4
https://www.youtube.com/watch?v=mRrRG5LXk1E