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:

The Meet Your Match Update has arrived!

• Added Casual and Competitive Matchmaking modes
  • Additional information available on the website (http://www.teamfortress.com/meetyourmatch/)
    
  • Casual mode replaces Quickplay
• Added the Heavy vs. Pyro war
  • Additional information available on the website ( http://www.teamfortress.com/meetyourmatch/war.php )
• 3 new community maps
  • Sunshine
    
  • Metalworks
    
  • Swiftwater
• Added 3 new community taunts
  • The Balloonibouncer (Pyro only)
    
  • Disco Fever (Spy only)
    
  • The Fubar Fanfare (Soldier only)
• Added 1 new official taunt
  • The Carlton (Scout only)
• Added the Perfect Stranger crate
  

• Reworked the main menu
  • All play-related buttons are now accessible by clicking the "Find a game" button
    
  • Moved the Workshop and Replay buttons down the bottom group of mini-buttons
• Enemies killed by energy weapons now play a special sound as their body dissolves
  
• Improved stopwatch UI to help better communicate game state
  
• Added new sound vo files for Competitive Mode
  
• Added sounds to all attacks where the target player resisted a part of the damage
  
• Added Prinny promo items for purchasing Disgaea: Prinny Hat, Prinny Pouch, and Prinny Machete
  
• Added AsiaFortress Cup Mercenaries Cup Season 7 medals
  
• Added TF2Maps 72hr TF2Jam Summer Participant medal
  
• Added Random Acts of TF2 medals
  
• Added check to prevent players with P-REC loaded from participating in matchmaking
  
  
  • Prevents P-REC crashing which results in players receiving abandon penalties
• Updated the Demo Support feature
  • Added an option to only record matches that are played using Tournament mode (mp_tournament)
    
  • Added an option to auto-delete matches that don't have any events recorded
    
  • Fixed a bug where tickcount values were being noted incorrectly
    
  • Options can be set using the Adv. Options menu
• Updated model/materials for the Bonk Boy, Dr's Dapper Topper, The Sole Saviors, and The Dark Falkirk Helm
  
• Updated the localization files
  
• PASS Time update
  • No longer in Beta!
    
  • New Items Available
    • An Early Participation Pin will be awarded to everyone who played PASS Time during beta
      
    • Two new achievements with item rewards
      • Tune Merasmus's Multi-Dimensional Television
        
      • Jackpot!
  • Map Changes
    • All maps are tweaked, polished, and out of beta
      
    • Renamed pass_pinewood to pass_timberlodge
      
    • Renamed pass_warehouse to pass_brickyard
      
    • Added a new city-themed map, pass_district
      
    • An updated pass_template for level designers will be released on http://www.escalation.com/news
  • Game Mode Changes
    • Changed the score limit from 3 to 5
      
    • Tweaked various JACK throwing parameters
      
    • Pack Running
      • The JACK no longer heals the player carrying it
        
      • A player carrying the JACK with no nearby teammates is marked for death
        
      • Teammates near a player holding the JACK will be slowly healed, and can run as fast as the fastest nearby teammate
    • JACK Power
      • Passing the JACK increases a power meter
        
      • The power meter will decay over time
        
      • Filling the power meter unlocks a special goal worth extra points
  • Art Changes
    • New view model animations
      
    • The HUD provides more information about goal type and status
      
    • Player pips for Spies will reflect cloak and disguise status
  • Misc Details
    • Added cvar tf_passtime_scores_per_round
      
    • Added tf_glow entity that can be used to enable the glow effect on any entity
      
    • Updated trigger_passtime_ball FGD entry to hide unimplemented features, temporarily
      
    • Spawnflag added to func_passtime_goal to indicate to the HUD that a goal is unlocked by JACK power

• Fixed being able to repeatedly activate taunts before the current one had ended while underwater
  
• Fixed disguising with the Conniver's Kunai while spotted by a Sentry causing the Sentry to ignore the Spy
  
• Fixed class change notifications appearing to the enemy team for a period of time after teams swap sides in Competitive Mode
  
• Fixed a case where players would sometimes see other players carrying the wrong weapon(s)
  
• Fixed a bug where the Engineer couldn't remove the Sapper from a linked teleporter if was building (not active)
  
• Fixed a bug where the Engineer was able to heal a linked teleporter while it was building. This now matches the behavior for the other buildings.
  
• Updated several hats to fix the Sniper not removing them while taunting
  
• Fixed hiding the Pyro's head when using the second style of the Fear Monger
  
• Fixed using the wrong ozfortress medals for divisions other than Premier
  
• Fixed a few UGC tournament medals using the wrong names
  
• Fixed the Engineer's missing pelvis hitbox
  
• Thanks to Justin G., aka sigsegv, for these reports
  • Fixed airblasts sometimes sending reflected projectiles toward friendly players, buildings, and projectile shields
    
  • Fixed demo record/read stringtables not writing/reading past 512kb
    
  • Fixed inconsistency between items that use mini-crit buff (TF_COND_ENERGY_BUFF)
    
  • Fixed multiple Mann vs. Machine bugs caused by bot AI functions being executing after the bots have died
    
  • Fixed a bug related to lunchbox items, where the ammo bar can be drained in cases when it shouldn't be
    
  • Fixed Medics sometimes instantly reviving players in Mann vs. Machine

• Fixed several cases of loading and rendering hitches that would cause abrupt changes in FPS
  
• Improved Flamethrower flame performance in Mann vs. Machine on clients and servers by up to +500%
  
• VGUI .res files are now cached after loading, reducing framerate hitches. Custom HUD authors can disable this by setting vgui_cache_res_files to 0.
  
• Improved rendering performance of zombies
  
• Improved VGUI font performance
  

• In order to reduce crashing and broken UI elements after updates, custom HUDs now must explicitly specify the version of the TF UI with which they are compatible.
  
• Custom HUD files must now be installed as add-ons under the tf/custom/ folder. Loose .res files extracted to the game directory will not be loaded.
  
• Custom HUDs must now contain a file named "info.vdf" in their root folder, with the key "ui_version" set to the TF UI version with which they are compatible.
  
• The current TF UI version is 1.
  
• Non-HUD add-ons under tf/custom/ will continue to work without an "info.vdf" file, but may not load .res files.
  

• Added the Competitive Matchmaking Pass
  
• Added new class starter packs
  
• Added new key-less cosmetic crates
  
• Revamped main store pages
  
• Added a spotlight item
  
• Added ability to mouse over and preview items in a bundle/crate/collection
  
• Adjusted some weapon prices for consistency
  

• cp_granary
  • Added new ammo pack locations in final and yard areas
    
  • Clips and blockbullets added to stairs
• cp_badlands
  • Final cap point capture time increased to 2 seconds (from 1 second)
    
  • Clips and blockbullets added to stairs
• cp_foundry
  • Reduced ammo kit in final cap entry room (attackers' side) to medium
    
  • Slightly reduced attacking team's spawn time when working on final
• pl_upward
  • Fixed an exploit where players could sometimes build sentries in the cliffside by capture point 3
• pl_thundermountain
  • Fixed the first and second cap points of stage 3 each awarding 2 points to the capturing team instead of 1
• Mannpower
  • All official maps now set Mannpower mode without requiring the use of the tf_powerup_mode convar

• Scout
  • Crit-A-Cola
    • Added Marked-for-Death debuff for 2 seconds after the buff effect expires
  • The Soda Popper
    • Added "On hit: build Hype"
      
    • Removed "build hype by running around"
  • Shortstop
    • Added an Alt-fire attack -- reach out and shove someone!
      
    • Removed +healing bonus
      
    • Reduced pushback vuln to +20% (from +40%)
  • Sun on a stick
    • Take 25% less damage from fire while deployed
• Soldier
  • The Righteous Bison
    • Fixed a bug causing players to be hit by the same projectile multiple times, causing the damage dealt to vary wildly
      
    • Per-shot damage has been increased to compensate, resulting in slightly more damage on average
      • Point-blank deals 54 damage (previously 20-80)
        
      • Maximum range deals 24 damage (previously 14-56)
    • Slowed projectile by 30%
      
    • Projectile damage reduced by 25% for each enemy penetrated
      
    • Updated projectile impact sound
  • The Disciplinary Action
    • Reduced duration of speed bonus on teammates to 2 seconds (from 3)
  • The Rocket Jumper
    • Updated model/materials and sound
• Sniper
  • Cozy Camper
    • Now requires a full charge to gain flinch resistance
  • The Sydney Sleeper
    • When fully charged, or when making a headshot, now applies Jarate in a radius
      
    • Scoped shots now extinguish teammates
  • The Cleaner's Carbine
    • Removed hidden +10% damage taken multiplier while under the effects
• Heavy
  • Natascha and Brass Beast
    • 20% damage resistance now only applies when spun up and below 50% max health
  • Huo-Long Heater
    • Added -10% damage
      
    • Added +25% increased damage vs. burning players
      
    • Reduced ammo drain to -4/sec (from -6)
      
    • Reduced pulse damage from Ring of Fire to 12 (from 15) due to increased damage vs. burning
  • Buffalo Steak Sandvich
    • Fixed "damage taken" multiplier accidentally being +10%, instead of the listed +25%
• Spy
  
  
  • Base
    • Max speed increased to 320 (from 300)
  • Enforcer
    • Attacks pierce resist and absorb effects from all sources
• Pyro
  • All Flamethrowers
    • Added: Direct damage reduces Medi Gun healing and resist shield effects by 25%
      • Medics hear a "healing interrupted" sound when this is happening to their heal target
  • The Manmelter
    • Removed (hidden) 20% fire rate penalty
• Medic
  • Base
    • All Mediguns allow the Medic to match the speed of their heal target
      • Previously only available on The Quick Fix
  • Quick Fix
    • berCharge rate reduced to +15% (from +25%)
  • Overdose
    • Increased movement speed bonus to +20% (from +10%)
      
    • Increased damage penalty to -15% (from -10%)
  • Dropped Mediguns
    • Stored berCharge begins to decay over time after coming to rest
• Demoman
  • Base
    • All boots now require a shield to activate any move speed bonus listed on the item
  • The Iron Bomber
    • Decreased the fuse time to 1.4 seconds (from 2.0)
  • The Quickiebomb Launcher
    • Increased charge time reduction to -70% (from -50%)
      
    • Increased damage bonus for (max) charged shots to +35% (from +25%)
      
    • Increased clip size penalty to -50% (from -25%)
      
    • Removed "Stickybombs fizzle 4 seconds after landing"
  • The Sticky Jumper
    • Updated model/materials and sound
• Engineer
  • Base
    • Level 1 teleporters now cost 50 metal (previously 125)
  • Widowmaker
    • Damage increased +10% when attacking the same target as your sentry
  • Eureka Effect
    • Reduced "50% less metal from Dispensers and Pickups" to 20%
      
    • Added "Teleporters cost 50% less metal"
  • The Short Circuit
    • Base projectile attack is -10 metal (hit or miss) and then add -5 metal for each projectile destroyed (sometimes a buff, sometimes a nerf)
  • The Pomson
    • Fixed an exploit with shooting through your own buildings
      
    • Increased close-range damage to 72 (from 62)
      
    • Reduced long-range damage to 32 (from 42)
      
    • Updated projectile impact sound