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

• Added new promo items
  
• Fixed a bug preventing some server-side quickplay filtering from working, causing clients to ping too many servers
  
• Fixed a bug where an item with an empty craft_class (e.g. the Apoco-Fists) could be obtained via crafting
  
• Fixed an exploit that allowed untradable items to be traded with Steam trading
  
• Web API changes:
  • Added flag_cannot_craft to GetPlayerItems web API output
    
  • Added description_string and description_format for some hidden attributes in the GetSchema output
• Updated Pl_Upward
  • Fixed a teleporter griefing position near control point B
• Updated Pl_Barnblitz
  • Fixed a bug that allowed players to get into the opposing team's respawn room
• Updated the localization files