There are some great things in here, making the experimental rules now official. This includes fixing the Shaltari Void Gates and throwing massed infantry around the table in crazy ways (really my biggest beef about the game).
Other important things in there include several balancing adjustments to the rules, which is one of the reasons that Hawk does amazing things to keep the game where it needs to be.
Also updated is the 2017 Tournament Pack for Dropfleet. Exciting..... Although we need to get a release on Command Cards so that players have them.
Here are the links you need.
Official Rules Update