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:

• Fixed a bug related to changing teams that caused various issues related to weapon projectiles, Engineer buildings and game modes
  
• Fixed using the wrong thumbnail images for pass_district, pass_timbertown, and pl_swiftwater
  
• Fixed the developer commentary audio files not being played properly
  
• Fixed not being able to taunt with the Cleaner's Carbine
  
• Added the LBTF2 6v6 Season 14 tournament medals
  
• Added an option to hide the 'View Promotional Codes' button in the main menu
  • Can be toggled in the Adv. Options menu under the Miscellaneous Options section
• Updated the models/materials for the Special Snowflake 2016 and the Gift of Giving 2016 community medals
  
• Updated Mann vs. Machine mode
  • Fixed a case where late-joining a Mann Up match during the final wave could result in erroneously receiving a ten minute cooldown
    
  • Fixed a bug causing Invader's buildings to blow up if another Invader building of the same type is destroyed after the Engineer has died

Note missed from the Smissmas update:

• Fixed security issue reported by Amat Cama via GeekPwn
  

- Fixed Death Pulse heal values being a little higher than intended

- Matchmaking now considers geographical distance when finding players for your team.
- Fixed a bug where Radiance from a hero would not take priority over the Radiance aura from an illusion.
- Fixed Undying's Decay gaining and losing slightly too little HP.
- Fixed instances of particle effects visually lasting too long when they completed outside of the player's view.
- Fixed a bug which prevented Spiderlings and Spiderites from saving into selection groups correctly.
- macOS: Fixed a problem handling the full range of Unicode characters in Steam names. Fixes display of names with emoji or Chinese characters in chat, for example.