Valve's Source SDK update is a game-changer for modders and the gaming industry. The inclusion of the complete Team Fortress 2 codebase opens up incredible possibilities for creating new games, even if those games must initially remain free under the license. History shows that successful free mods often evolve into commercially successful titles.
This update isn't just about TF2's code. Valve has also significantly upgraded the Source engine for multiplayer games, introducing 64-bit executables, a more adaptable UI and HUD, and crucial fixes for client-side prediction problems. These improvements provide a robust and enhanced foundation for mod development.
This is a monumental step forward for the modding community. We eagerly anticipate the innovative and potentially groundbreaking creations that will undoubtedly emerge from this exciting development.