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 client crash related to viewing notifications
  
• Fixed being able to interrupt taunts using the ConTracker commands
  
• Fixed a bug with the Medi Gun not staying attached to players
  
• Fixed a bug with the Backburner using its owner's angle to determine whether the attack is behind the victim
  
• Fixed a rendering issue with the Spectral Swirl unusual effect
  
• Fixed not being able to fire the Dragon's Fury in some areas (e.g. the control point on Nucleus)
  
• Fixed not being able to light Huntsman arrows with the Dragon's Fury
  
• Fixed Dragon's Fury projectiles not fizzling when hitting water
  
• Fixed not being able to detonate stickybombs when switching to melee with secondary attack held down
  
• Fixed the charge sound for the Stickybomb Launcher not stopping if the player switches weapons while charging
  
• Fixed Quick-Fix Medics not properly following/mirroring the Pyro after launching with the Thermal Thruster
  
• Fixed being able to shoot flares through objects like setup gates
  
• Fixed the Pretty Boy's Pocket Pistol always giving 7hp per-hit
  
• Fixed the Winger not counting towards the Scout achievement "Gun Down"
  
• Fixed the Festive Sandvich not counting towards the Heavy achievement "Konspicuous Konsumption"
  
• Fixed the Rescue Ranger not counting towards the Engineer achievement "Texas Two-Step"
  
• Fixed the Genuine version of the Flying Guillotine having no taunt
  
• Updated the Vita-Saw so victims spawn random internal organs on hit
  
• Updated the Atomizer damage penalty vs players to -15% (from -25%)
  
• Updated the party system so invites are shown to all party members
  
• Updated the Thermal Thruster stomp damage on other players to be 3x the base fall damage - not the reduced fall damage of the owner
  
• Updated the "With Friends Like these..." achievement to check for five friends instead of seven
  
• Added the Heals for Reals 2017 community medals
  
• Added the "Philanthropist's Indulgence" community medal for Random Acts of TF2
  
• Added the "Spectral Snowflake" community medal for the Nightmare Before Smissmas 2017 community showcase