Steam News5 August 201114y ago

Left 4 Dead 2 Update Released

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

Full notes

Full Left 4 Dead 2 update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

0 fixes1 addition1 change0 removals

Gameplay

changedUpdated Dead Air Campaign

addedAdded "Connecting Fights" Achievement

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

Updated Dead Air Campaign
Added "Connecting Fights" Achievement

Source

Steam News / 5 August 2011

Open original post

Changelog.gg summarizes and formats this update. How we read updates.