Google began rolling out v8.3 of the Play services framework a few weeks ago, and it looks like it's in a wide release. While this version didn't present with any direct user-facing features and only a few cryptic hints for a teardown, it did bring some definite improvements to the Play services SDK. There are some changes to streamline the sign-in experience for app developers and users alike, along with some additional enhancements that should make it easier for developers to set up new user accounts. New APIs have also been added to make data delivery more efficient between a phone and an Android Wear watch. Read More
In Part 1 of this teardown, we saw what may be the return of Android@Home, or at least something similar. There were also new pieces to Nearby, Google's unique technology for finding two devices (and people) in close proximity, and a possible (subtle) change to the way Smart Lock responds to wearable devices. In Part 2, we'll continue with the possible centralization of Chrome Sync to Play services, project Sidewinder, a mysterious appearance by Facebook, and more.
Disclaimer: Teardowns are necessarily speculative and usually based on incomplete evidence. It's possible that the guesses made here are totally and completely wrong. There is always a chance that details may change or plans may be cancelled prior to the launch of a new feature discovered in a teardown.