Steamworks and leaderboard support, and lots of small stuff added.
Source: Steam Community (opens in a new tab)
Build and release context
Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.
Build 2103083 · public branch
Steam updated · First observed
Recorded Steam release date:
Within one calendar day of this post (UTC). The listed date does not establish an exact launch time.