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 2021!

• All players who play TF2 during the event will receive a Stuffed Stocking as a gift! Stockings contain goodies for good little Mercenaries.
• Featuring 6 new community maps: Altitude, Bread Space, Cascade, Chilly, Doublefrost, and Polar
• Added the Winter 2021 Cosmetic Case
  • Contains 20 new community-contributed items
  • The Festivizer can be found as a bonus drop when opening the case
• Added 3 new community-contributed taunts to the Mann Co. Store
  • Taunt: Doctor's Defibrillators
  • Taunt: Shooter's Stakeout
  • Taunt: The Hot Wheeler
• Added 27 new community-created Unusual effects
  • 16 new effects for Unusual hats
  • 11 new effects for Unusual taunts
• All cosmetic and taunt cases will grant Smissmas 2021 Unusual effects instead of their normal Unusual effects during the event. This does not include crates.
• Mann Co. Store winter sale!
• Smissmas runs through January 7th, 2022

General

• Fixed Engineer losing metal when hitting damaged buildings while they are being re-deployed after pick-up
• Fixed Wrap Assassin projectiles colliding with other projectiles and func_lod entities
• Fixed Halloween: Voices From Below spell not working correctly with more taunts and the Ready voice lines
• Updated soundlevels for some competitive mode sounds
• Updated the description for the Blutsauger to clarify its attributes
• Updated sound channels for some voice lines
• Updated hurtme command to allow negative health values when using sv_cheats
• Updated koth_probed to fix an error model
• Updated/Added some tournament medals
• Updated the localization files