An update to Team Fortress 2 has been released. The update will be applied automatically when you restart Team Fortress 2. The major changes include:

• Added The Nine-Pipe Problem
  
• Added hud_fastswitch to the Advanced Options dialog
  
• Fixed a commentary string that referenced the Soldier instead of the Heavy
  
• Fixed a client crash that could occur when a server used SetCustomModel to change the player model
  
• Fixed a crash that could occur while trying to get The Argyle Sap achievement
  
• General improvements to client stability
  
• Updated the Spirit of Giving so it can have a custom name applied to it
  
• Updated the map arena_well
  • Updated the skybox
    
  • Made some miscellaneous material improvements