When Build 25 hit the beta branch on a random Tuesday night, nobody slept. Here is what it fundamentally changed:
Build 25 also quietly changed the modding API. This was the update that allowed weapon to have physics. Suddenly, suppressors didn't just sound cool; they reduced muzzle flash and actually kept you off the minimap (a feature vanilla didn't fully have until later). Ravenfield Build 25
This led to the golden age of the Modern Warfare weapon packs. If you saw a server running “MW4 M4A1 (Build 25 Optimized),” you joined immediately. No questions asked. When Build 25 hit the beta branch on