While you probably have updated your apps, I find it helpful to understand what the key updates are to maximize the usefulness of the app. So here is a quick screen shot summary:
There are a number of great fixes in this update to 645 Pro. I am most excited about the improvement in the film and camera back buttons. This is one of the biggest drawbacks to 645 Pro that I identified in the initial review of the app.
What 645 Pro update are you most interested in seeing?