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 an exploit related to clients uploading files to servers
  
• Fixed a problem that allowed clients to have an out-of-date, corrupt, or modified version of items_game.txt
  
  
  • TF2 will not run if a bad items_game.txt file is found
    
  • If your items_game.txt file is reported as being corrupt, delete any items_game.txt files you have added and verify your TF2 installation
• Updated Mann Co. Store prices for foreign currencies to current USD equivalents
  
• Fixed a timing problem with the Rancho Relaxo taunt animation
  
• Removed the Limited Late Summer Crate from the crate drop list
  
• Limited Late Summer Crates can no longer be opened
  
• Removed the Limited Late Summer Crate Key from the Mann Co. Store
  
• Limited Late Summer Crate Keys have been converted to Mann Co. Supply Crate Keys
  
• Fixed Linux dedicated servers not showing up in the LAN serverbrowser tab when using sv_lan 1
  
• Fixed the Duels leaderboard not displaying current counts
  
• Added the explosion particles to the list of files that we always enforce consistency on
  
• Added ConVar tf_classlimit
  • When set, limit each class to the specified value
    
  • Works in any game mode, but overridden in Tournament mode and Highlander mode
• Updated the model/materials for the Runner's Warm-Up to fix a lighting issue
  
• Updated the equip_regions for the Couvre Corner and the Pocket Heavy
  
• Updated rd_asteroid
  
  
  • Continued art-pass process
  
  
• Updated the vote system
  
  
  • Fixed team-specific vote sounds/notifications playing/showing for the ineligible team
    
  • sv_vote_issue_restart_game_allowed default changed to off
    
  • Added sv_vote_issue_restart_game_allowed_mvm (on by default)
    
  • Added "Enable/Disable Class Limits" vote
    
    
    • Controlled by sv_vote_issue_classlimits_allowed (off by default)
      
      
      • Limit controlled by sv_vote_issue_classlimits_max (default 4)
      
      
    • Controlled by sv_vote_issue_classlimits_allowed_mvm in Mann vs. Machine (off by default)
      • Limit controlled by sv_vote_issue_classlimits_max_mvm in Mann vs. Machine (default 2)

* Buyback cooldown increased from 6 to 7 minutes
* AoE Gold NWFactor reduced from 0.06/0.06/0.05/0.04/0.03 to 0.05/0.05/0.05/0.04/0.03
* AoE XP XPFactor reduced from 0.3/0.3/0.2/0.15/0.12 to 0.23/0.23/0.2/0.15/0.12
* Mystic Flare damage is now dealt over 2.4 seconds instead of 2.2 seconds
* Ancient Seal cooldown increased from 11 to 14
* Crypt Swarm damage rescaled from 100/175/250/300 to 75/150/225/300
* Exorcism cooldown increased from 135 to 145
* Juxtapose max illusions reduced from 6/8/10 to 5/7/9
* Bloodrage now only amplifies for half of the value when the dealer and the receiver are over 2200 range apart
* Primal Split cast time increased from 0.4 to 0.65 seconds
* Primal Split delay after cast time (while invulnerable) reduced from 0.85 to 0.6 seconds
* Ethereal Blade projectile speed increased from 1100 to 1200
* Song of the Siren cast point increased from 0.65 to 0.8 seconds
* Guardian Angel no longer provides HP Regeneration
* Metamorphosis movement speed reduced from 315 to 290
* Conjure Image damage intake increased from 300% to 425%
* Sunder no longer interrupts the target
* Sunder cast range increased from 250 to 325
* Haunt illusion outgoing damage decreased from 40% to 30%
* Spectre movement speed reduced from 295 to 290
* Chronosphere cooldown increased from 120/100/80 to 130/110/90
* Eye of the Storm Scepter interval increased from 0.55/0.45/0.35 to 0.6/0.5/0.4
* Static Link cooldown increased from 25 to 32/30/28/26
* Flaming Fists damage type changed from Magical to Pure (pierces Spell Immunity)
* Flaming Fists damage reduced from 100/150/200 to 80/115/150