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: Last Gnome On Earth
Realism Versus added as a permanent game mode
Lobbies now default to "Official Dedicated"
Get the full article at store.steampowered.com

Left 4 Dead 2 (PC)Masses demand mutations.
Get the full article at ign.com

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 original survivors cheating in Bleed Out mode by throwing first aid kits
Get the full article at store.steampowered.com

Chris Watters mows down some infected in Left 4 Dead 2: The Passing.
Get the full article at GameSpot.com

12 new shots posted.
Get the full article at GameSpot.com

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 addons content not loading if coop was the first game mode loaded
Fixed versus modes sometimes using incorrect game rule settings after server hibernation
Fixed a crash in The Parish: The Park on Linux dedicated servers
Updated dlc1 Russian UI text
Get the full article at store.steampowered.com

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 the localization sound caches
Fixed AI tanks sometimes not getting assigned to human players
Fixed exploit in C6M2 where players could jump through a gap in the fence
Fixed commentary maps crashing on load

SDK
Removed Perforce integration and Manifest UI when running Hammer under and SDK deployment
Removed Version control men... [read more]

Left 4 Dead 2: The Passing (PC)In zombie war, not everyone gets out alive.
Get the full article at ign.com

Left 4 Dead 2: The Passing (PC)In all out zombie war, not everyone gets out alive.
Get the full article at ign.com

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 SDK load Issue
Fixed Mutation Achievement display
Get the full article at store.steampowered.com