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:
Scream Fortress VI has arrived!- Help Merasmus with his carnival! 
 
- Comic and additional information available on the website (http://www.teamfortress.com/screamfortress6) 
 
- Scream Fortress VI runs until November 12, 2014 
 
- Added new Halloween map Carnival of Carnage
- Merasmus will spread misfortune with server wide curses 
 
- Added a Strongmann Test-Your-Strength machine which is in no way an eldritch portal to Bumper Car Madness!
 
 
- Added bumper car minigames. Win by completely ghostifying the other team or by completing the objective 
 
- Alt-fire to speed boost your bumper car 
 
- Cast spells while driving 
 
- The collision force a bumper car receives increases as the car takes damage 
 
- Force is displayed in the bumper car HUD as a percentage
 
- Ghosts can come back to life by touching a friendly bumper car
 
- 50 new Halloween-themed community cosmetics 
6 new achievements 
 
During Scream Fortress VI- A Halloween Gift Cauldron is granted to all players who play during the event 
 
- Added Halloween crates to the Mann Co. Store. These crates do not require a key to open 
 
- All Unusual hats and taunts that are unboxed during the event will receive Halloween-themed Unusual effects 
Previous Scream Fortress content is available in the Mann Co. Store 
 
General- Reduced the number of Fireball spells granted to 2 
 
- Updated the tf_spells_enabled ConVar
- Removed the Teleport spell from the general spell list when spells are enabled outside of Helltower 
 
- Added rare spells to the general spell list, except Skeletons and Monoculus
 
 
- Turning a player into a ghost now grants the attacker a kill credit 
 
- Players can now fly around as a ghost by holding the jump key 
 
- TargetID system
 
- Now creates a floating health indicator over the target 
 
- Reduced size of nameplate 
 
- Added tf_hud_target_id_alpha ConVar to control the transparency
 
 
- Fixed player voice transmissions not transmitting the last second of recording 
 
- Fixed a dedicated server crash when the autoexec.cfg contains a bind command
- Fixed Unicode font performance and rendering issues for Mac clients 
 
- Fixed an exploit that allowed players to remove the ghost condition
 
 
Hammer- Added a field to the Tools->Options->3DView tab that multiplies the length of the rendered light_spot cone preview 
 
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