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 Man On Earth
  • Fixed some missing particle declarations for the Cold Stream campaign

The following map fixes are the first of a series of exploit fixes coming. These will appear on the Xbox 360 in a future update.

Dark Carnival: The Fairgrounds
  • Survivors can longer get onto the elevated track.
  • Infected players can no longer block the carousel gate.

Dark Carnival: The Coaster
  • Survivors can no longer skip the roller coaster crescendo event
  • Survivor can no longer use shortcuts on the roller coaster

The Parish: The Park
  • Survivors can no longer skip the bus station crescendo event

The Parish: The Cemetery
  • Survivors can no longer skip interiors by jumping over a fence or getting onto rooftops