December 20, 2012 Patch

This article is specific to the patch released. For information on the update, see Mecha Update.

Patch notes

Australian Christmas has begun!
- Added three new community weapons
  - The Vaccinator
  - The Loose Cannon
  - The Rescue Ranger
- Added community-contributed winter event items^[1]
- Added Naughty and Nice winter keys to the Mann Co. Store
Mann Vs. Machine
- Added a new tour of duty with unique loot:
  - Operation Mecha Engine, with 3 new advanced skill missions
  - New map mvm_bigrock
  - New Engineer Botkiller items
- Added new Engineer robot
Added new Strange Filter items to the Mann Co. Store to support community map makers
Added new checkout dialogs and taunt-activated effect to raise awareness for Community Map Stamps
Added +context_action command (defaults to X for controllers). This will use the action slot if your Canteen contains a charge and will taunt otherwise3 ^(sic)
Added +attack3 command (defaults to middle-mouse button)
Added Adult Swim items to the Mann Co. Store^[2]
Fixed an exploit that allowed players to be permanently invulnerable
Fixed the Pyro’s airblast not working correctly when facing downhill
Made Force-A-Nature pushback more consistent
Updated pl_barnblitz
- Fixed various map exploits
Updated sd_doomsday
- Fixed various map exploits
Updated the localization files

New bot_hint_engineer_nest entity.
Removed Crate series 45 and 47.
Added Crate series 54 and 55.
Added 9 new Festive weapons.
Added a Normal mission for mvm_bigrock: Benign Infiltration
Added two Advanced missions for mvm_bigrock: Broken Parts and Bone Shaker
Added an Advanced mission for mvm_decoy: Disintegration
Added a new class icon for Bonk Scouts
Added an unused class icon for Bat Scouts
Crit boosted robots now have a glowing blue border around their class icon
Added new giant robot types: Giant Burst Fire Soldier, Captain Punch, Sergeant Crits, Major Bomber
Added unused giant robot types: Chief Tavish, Chief Pyro, Major League