What changed in Team Fortress 2 in 2012

After taunting in a community map, players leave behind a trail of large stamps based on their contributions.

New filters allow players to track stats on specific community maps for their strange weapons.

Players can see hours played and contributions for each community map in the Mann Co. Store.

Players receive reminders to add map stamps to their cart for frequently played community maps.

Players leave behind a trail of large stamps after taunting in community maps, with trail length based on contributions.

New filters allow players to track stats on specific community maps and receive custom rank modifiers.

Players can now see hours played and contributions for each community map in the Mann Co. Store.

Introducing new gear inspired by Adult Swim characters including Monarch's Henchmen, Dr. Rockzo, Carl, and Brock Samson.

Introducing new gear inspired by Adult Swim characters including Monarch's Henchmen, Dr. Rockzo, Carl, and Brock Samson.

Items bought through the Market will incur transaction fees.

The Market aims to improve trading by making it easier to locate specific items and sell them efficiently.

The Market aims to make locating and selling items more efficient for players.

Items purchased in the Community Market will be subject to transaction fees.

Trading, buying, and selling are limited to one-time consumable items while in beta.

The Steam Community Market is now in beta, allowing for improved trading of TF2 items.

The Steam Community Market is now in beta, allowing trading, buying, and selling of items.

The Fourth Annual Scream Fortress Halloween update begins, featuring personalized terror experiences.

The Scream Fortress Halloween event has officially started, featuring new terrifying experiences.

Players will receive private gift spawns instead of public ones, allowing them to claim gifts at their leisure.

The Scream Fortress Halloween event has officially started, featuring new terrifying experiences.

The Fourth Annual Scream Fortress Halloween update begins tomorrow.

Players will receive private gift spawns instead of public ones, allowing them to claim gifts without racing others.

Introduced new loot including rusty, blood-covered 'bot heads for Operation Oil Spill and 24-carat diamond 'bot heads for Operation Gear Grinder.

Players can now select multiple missions and use buttons to select missions by difficulty level. Groups remain together after completing a mission.

Introduced new loot including rusty, blood-covered 'bot heads for Operation Oil Spill and 24-carat diamond 'bot heads for Operation Gear Grinder.

Added Operation Oil Spill (less hard) and Operation Gear Grinder (very hard) to MvM mode.

Added Operation Oil Spill (less hard) and Operation Gear Grinder (very hard) to MvM mode.

Players will now remain in the same group after completing a mission instead of being disbanded.

Players can now select multiple missions for better matchmaking and have buttons for selecting missions by difficulty.

Entrants can now use non-SFM tools for post-production effects like titling and transitions.

A new category has been added to the Saxxy Awards to celebrate creators using in-game moments.

Entrants can now use non-SFM tools for post-production effects like titling and transitions.

A new category has been added to the Saxxy Awards to celebrate creators making movies in-game.

Birthday Mode is now active in celebration of Team Fortress and Valve's birthdays.

Boosted server count to reduce average wait times for game modes.

Improved matchmaking system to reduce wait times for players.

Average wait time for Mann Up Mode reduced to a minute or less.

Boosted server count to reduce average wait times for game modes.

Average wait time for Boot Camp reduced to around two minutes.

Improved matchmaking system to enhance player experience.

Birthday Mode activated in celebration of Team Fortress and Valve's 16th birthday.

A new map designed specifically for the Mann vs. Machine mode has been added.

The Mann vs. Machine war has begun with the introduction of a new game mode featuring Gray Mann's robot army.

A new map designed specifically for the Mann vs. Machine mode has been introduced.

Players can now earn loot and achievements while playing in Mann Up Mode.

New loot and achievements have been added to enhance the Mann vs. Machine experience.

The Mann vs. Machine war has begun with the introduction of a new game mode featuring Gray Mann's robot army.

Players will face an army of robots in the new Mann vs. Machine mode.

First city-themed King of the Hill map set in a Chinese cityscape, created in collaboration with community member Valentin Levillain.

Kong King is TF2’s first city-themed map, created in collaboration with Sleeping Dogs and community member Valentin Levillain.

New items available in honor of the game Sleeping Dogs.

Get the new items for free when you pre-purchase Sleeping Dogs on Steam before August 14th.

New items available for purchase or free with pre-purchase of Sleeping Dogs.

Sale on some of this year’s Workshop items, along with name tags, description tags, and various paints, weapons and hats.

Added new summer bundles with items from the Pyromania update in various packaging flavors.

Sale on some of this year’s Workshop items, name tags, description tags, and various paints, weapons and hats.

Added new summer bundles with items from the Pyromania update in various packaging flavors.

The Source Filmmaker Beta is now open to everyone for free.

A new session titled 'Meet The Engineer' has been released for user-created videos.

A new session titled 'Meet The Engineer' has been released for user-created videos.

The Source Filmmaker Beta is now open to everyone for free.

Players can now unlock new achievements as part of the update.

A new game mode has been added to the game.

A variety of new items have been introduced in the Pyromania update.

The Pyrovision feature has been introduced in this update.

A variety of new items have been introduced in the update.

A new game mode has been added to enhance gameplay experience.

Players can now earn new achievements as part of the Pyromania update.

The Pyrovision feature has been introduced, changing the visual experience for players.

The beta version of the Source Filmmaker tool is now available.

The beta release of the Source Filmmaker tool for creating animations.

The update introduces new content related to the Pyro character.

The new update introduces the 'Meet the Pyro' content.

New achievements related to the Doomsday map and game mode.

A new map with a brand new game mode that lets players relive a significant event in TF history.

A new map called Doomsday is introduced, featuring a brand new game mode.

New achievements related to the Pyromania update will be available.

Strange Parts allow players to track specific performance metrics in battle by customizing Strange weapons.

Three unique one-of-a-kind hats will rotate daily for mercenaries based on performance metrics.

Three unique one-of-a-kind hats will rotate daily for mercenaries based on performance metrics.

Strange Parts allow players to track specific performance metrics in battle by customizing Strange weapons.

A new Valentine's Day gift item that allows players to propose in-game, turning into matching diamond bands upon acceptance.

A new ring-shaped gift that is giftable but not tradable, allowing players to propose to each other.

Added a special 'Sound Device' category to the in-game item submission UI and Workshop for sound-themed submissions.

New misc slot item for the Scout that plays music when taunting.

Added a special 'Sound Device' category to the in-game item submission UI and Workshop.

New misc slot item for the Scout that plays music when taunting.

The Saxxy Awards will return, promising to be bigger and better this year.

Announcement of the upcoming Saxxy Awards, expected to be bigger and better this year.

The final installment of the 'Meet the Team' series will focus on the Pyro.

The Pyro will be featured in the last 'Meet the Team' short, promising a lot of blood.

The TF2 team is working on something brand new for 2012, details are not disclosed.

A new blog is live for the Steam Workshop with nearly 4000 user-generated items submitted.

A new blog for the Steam Workshop is live, featuring user-generated items.

The TF2 team is working on something brand new for 2012, not a hat or a map.