Updates to Team Fortress 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Source Engine Changes (CS:S, DoD:S, TF2, HL2:DM)

• Added a check to prevent kicking Replay and SourceTV clients from servers
  

Team Fortress 2

• Added new items for upcoming promotions
  
• Fixed a case where health overheal wasn't being applied when multiple healers were involved
  
• Fixed the new Gravelpit backgrounds using the wrong filename
  
• Updated the Mask of the Shaman
  
• Updated the localization files