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 Tank Spawning issue in Finales
- Fixed issue in Boat House finale where winning survivors would die on the boat
- Added new achievement, Valve Gift Grab 2011 L4D2
- Added I Hate Mountains 2 as the featured community campaign
- Added blocklist functionality to Left 4 Dead 2