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:


Happy Smissmas 2013!

• All Players who play TF2 during the event will receive a Gift-Stuffed Stocking! Stockings contain goodies for good little Mercenaries.
  
• Added community-contributed winter event items
  
• Added the Giftapult, which can be used to launch gift items to randomly-chosen online players
  
• Added Naughty and Nice winter keys to the Mann Co. Store
  
• Premium Players will receive a Secret Saxton to give to another player
  
• Item grants from previous events (including the Spirit of Giving and the Winter Holiday noise maker) have been re-enabled for all players, including those who deleted their earlier grants

Weapons

• Battalion's Backup
  • Added +20 max HP passive for the wearer
• Concheror
  • Added +2 health per second passive for the wearer
• Crit-a-Cola
  • Reduced consumption penalty from +25% extra damage to +10%
• Diamondback
  • Now also gains a critical attack on successful backstab kills
• Flying Guillotine
  • Alt-Attack now also throws the Guillotine when active
• Short Circuit
  • Attack sped up greatly
    
  • Ammunition cost has been lowered to 5 metal per attack
    
  • Players and Buildings are only targeted if in range and in front of attacking player
    
  • Improved visual effects
• Soda Popper
  • Hype no longer grants mini-crits
    
  • Added Hypemode which grants up to 5 extra air jumps when active
    
  • Hypemode is triggered by Alt-Attack when hype is full
• The Beggar's Bazooka has been updated to use the same taunt as The Direct Hit
  
• Professional Killstreak Mantreads, Splendid Screen and The Chargin' Targe now generate proper effects when on a killstreak. These effects do not stack if another killstreak effect weapon is active.

Cosmetics

• "Head" and "Misc" slots for player loadouts have been converted to Cosmetic slots. All items that were previously Head- or Misc-slot-specific can now be equipped in any Cosmetic slot.
  
• Unusual effect positioning can now be adjusted for all Cosmetic-slot items
  
• Unusual Circling Effects have been given a new origin
  
• Unusual effects for all Cosmetic-slot items are now visible in the loadout panel and character HUD
  
• Fixed the Wiki Cap clipping with the Demoman's head

Mann vs. Machine

• Fixed being able to inspect Blue-team bots
  
• Fixed the mission victory screen not always showing the correct information for each player
  
• Fixed some clipping issues with the stats in the scoreboard

General

• Fixed an exploit where players could move around while using a taunt to attack enemies
  
• Fixed an exploit related to the Rocket Jumper and the Soldier's grenade taunt
  
• Fixed killstreaks attained via healing not being considered for round-end win panel
  
• Fixed the killstreak hud indicator position in minmode
  
• Fixed Taunt Kills strange scores not incrementing properly for the Strange Scorch Shot
  
• Fixed strange scores on cosmetic items sometimes failing to increment
  
• Fixed gift-wrapped items not showing their interior item to the wrapping player in some conditions
  
• Fixed Steam Sale items granted from Snow Globe crafting not being listable on the Steam Community Market
  
• Improved bot navigation in cp_gorge
  
• Improved bot navigation in pl_upward
  
• Updated several materials to fix issues caused by mat_picmip
  
• Updated the backpack to filter to automatically filter for valid items when using a tool