While v1.8.6 was a small patch, it sits on top of several significant updates that modernized the game:
Version 1.8.6 is often grouped with in official patch notes, as they served as identical bug-fix releases tailored to different distribution platforms (Steam vs. other stores) to ensure parity across the game's ecosystem. Key Features of Recent Major Versions (v1.5.x – v1.8.x) Game Dev Tycoon v1.8.6