The Staring Apprentice Achievement will now trigger correctly.
For those who already have finished it, if you launch your save at the end of the game, and play again the post credits scene, then you'll trigger the achievement (if you're supposed to get it, of course).
Fix for the Staring Apprentice Achievement
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.