I originally downloaded this last Sunday and updated my Pinnacle device with the new software update. I still can't get 64-bit support working for video, but it does seem to sync to my component output of my Dish PVR much faster on startup.
If firmware version is any indication of how many builds have happened between the old release and this release, check out these numbers:
Hava 1.7.3 firmware version: 229.262
Previous firmware version: 180.151