Alright, sorry it took so long, the achievement should be working right now. If you already have the conditions, update and launch the game and play a session, it should unlock. Let me know otherwise!
Thanks for your support!
Final Achievement Fixed!
Build and release context
Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.
Build 2886871 · public branch
Steam updated · First observed