Updates to Team Fortress 2, Day of Defeat: Source and Half-Life 2: Deathmatch have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:
Source Engine Changes (TF2, DoD:S, HL2:DM)

• Improved performance for the Linux version

Team Fortress 2

• Fixed a problem that was preventing some older demos from being played
• Fixed a client/server crash when a flamethrower gets destroyed while firing
• Fixed missing buttons on the item import tool
• Removed the promo restrictions from the Shred Alert, the Brutal Bouffant, and the Buck Turner All-Stars
• Updated the Vaccinator with its own uber-off sound and a sound when toggling resist types
• Updated some of the animations for the Shred Alert taunt
• Updated a couple HUD panels to support team scores with more than two digits