We've released a mandatory update for Team Fortress 2. The notes for the update are below.
Source Engine Changes (TF2, DoD:S, HL2:DM)- Added video options UI for Windows Vista / Windows 7 DirectX extensions. Disabling the extensions will increase memory usage, but can improve compatibility with video drivers.
Team Fortress 2- Fixed wearable gibs spawning outside of the map
- Fixed some missing strings for the Backwards Ballcap
- Updated these items so they can be crafted and traded
- The Dr. Whoa
- The Dashin' Hashshashin
- The Sharp Dresser
- The Point and Shoot
- The War Head
- Updated the localization files