That went smoother than expected, and a total of 51 Steam achievements are now implemented!
Any achievements unlocked prior to the update will unlock in Steam once you exit and load the game back up.
That's all for this update, more to come soon.
Achievements Unlocked!
Source: Steam Community (opens in a new tab)
Build and release context
Recorded Steam release date:
Within one calendar day of this post (UTC). The listed date does not establish an exact launch time.