An update has been released for Left 4 Dead 2.

- Fixed an exploit where a player could call a vote that would pass immediately without input from the rest of the players.
- Fixed an issue where sounds could start looping on Linux.
- Fixed Steam Controller issues with spectating and MOTD.
- Fixed a bug that could cause some servers to hang on shutdown, causing a temporary reduction in total server capacity after updates.
- Fixed a remote code execution exploit.
- Upgrade OSX SDK version.

An update has been released for Left 4 Dead 2.

- Fixed two exploits that could allow remote code execution.
- Fixed controller navigation of some lobby settings menus.

An update has been released for Left 4 Dead 2:

- Added haptics support for Steam Controllers

An update has been released for Left 4 Dead 2:

- Fixed Options menu cutting off Steam Cloud option.

An update has been released for Left 4 Dead 2.

- Fixed some Steam Controller bugs
- Added bindings for voting with the Steam Controller

An update has been released for Left 4 Dead 2 Authoring Tools.

- Fixed Workshop Manager failing to launch.

An update has been released for Left 4 Dead 2.

- Additional bindings and fixes for Steam Controller support.

An update has been released for Left 4 Dead 2.

- Added native steam controller support.
- Added support for surround sound on SteamOS.

An update has been released for Left 4 Dead 2.

- Fixed several security issues.

An update has been released for Left 4 Dead 2

- Fixed a possible crash when a server goes into hibernation.
- Fixed an occasional crash in the physics system when touching entities are deleted.
- Fixed a crash in scripted_user_func command.
- Fixed Survivor bots picking up weapons from a spawner that was already depleted.