Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

- Mutation: Headshot!
- Fixed a few missing or invalid entries in campaign menus.
- Fixed a long standing bug that could cause occasional memory corruption or crashes on level transitions.

Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

- New Community Mutation: Confogl
- Crash Course campaign
- Fixed intro music not playing in some campaigns
- Fixed some missing survivor audio

Release Notes:
- Encore Mutation: Iron Man

Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

- Fixed an issue that prevented some Add-Ons from loading if there were a significant number of unique audio files

Updates to Left 4 Dead have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

- Fixed off by one bug when processing entity packets

Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

- Encore Mutation: Gib Fest
- Added FCVAR_RELEASE to the following rcon cvars: sv_rcon_minfailures, sv_rcon_minfailuretime, sv_rcon_maxfailures, sv_rcon_banpenalty and sv_rcon_log
- Fixed a bug with processing entity packets.
- Fixed various audio bugs for the Left 4 Dead 1 survivors.

Death Toll: The Boathouse
- Moved rope barrier closer to dock.
- Added rock for Infected Specials to spawn behind.
- Moved melee weapon spawn off picnic table to avoid floating weapons.
- Fixed finale scoring bug.

Cold Stream: Cut-Throat Creak
- Redesigned start of map. There is missing Audio use the handset and then the door in the big building to begin.
- Removed the ability for common infected to spawn on top of ridge along the first ravine.

Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Left 4 Dead 2

• Fixed configurable weapon spawns not allowing Confogl mutation to override spawn behavior
  
• Encore Mutation: Healthpackalypse
  

Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Death Toll campaign released

• Fixed scoring in finale
  

Blood Harvest; The Bridge

• Infected will spawn in front of the survivor team on their way to the Safe House.
  
• Added Infected spawn locations on the hill by the Safe House.
  

Blood Harvest: The Train Station

• Fixed exploit that allowed Infected team to trigger the onslaught.
  

Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Left 4 Dead 2

• Encore Mutation - Hunting Party
  
• Dead Air: The Crane - The alarm car is no disabled until you are on the street
  
• Dead Air: The Construction Site - Blocked windows to prevent early triggering of the Crescendo event
  

Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Left 4 Dead 2

• Bots now get into the rescue vehicle on the Dark Carnival finale