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)

• Fixed the "disconnect" command regression from the previous update
• Fixed tools like vbsp working with new model format
• Fixed a con_logfile ConVar exploit

Team Fortress 2

• Fixed a common "FindModel" crash for replays
• Fixed the Crafty Hair not using styles for the yellow and brown hair
• Improved the "Restore" UI for customizing items in backpack
• Fixed floating arrows on carried objects
• Mann vs. Machine
  • Added a penalty system to deter players from repeatedly abandoning Mann Up games
  • Corrected the respawn time for the Mannslaughter mission
  • Updated MissionCycle behavior. Servers will always cycle to a mission listed in the MissionCycle file.