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:

• Added sd_doomsday to the mapcycle files
• Fixed exploit that allowed Beggar's Bazooka to indefinitely hold rockets in the chamber without misfiring
• Fixed hatless hats not not-drawing correctly
• Fixed bugs with The Hitman’s Heatmaker
  • Headshot kills now properly decapitate
  • Bodyshot damage penalty is properly applied
  • Fixed sound issues while in focus
• Fixed missing DX8 particle effects
• Fixed seeing through Sniper fences in 2Fort when using Pyrovision
• Fixed the second style for the Robot Chicken hat
• Teddy Roosebelt can now get assist credits
• Updated sd_doomsday:
  • Players can now fall into the launch pad after the rocket lifts off
  • Optimized some prop_dynamics to reduce server hitching
  • Engineers can no longer build teleporters behind the spawn
  • Players will no longer get pushed through the terrain if the elevator falls on them
  • Death pits now kill dead ringer Spies
  • Lowered the frequency of announcer lines