A Steam client update is now available. To apply the update, click the File menu inside of Steam and then select "Check for Steam Client Updates...". The specific changes include:
Steam Client
- Fixed NAT-traversal library using too much CPU during L4D - matchmaking
- Fixed several localization issues
- Fixed install wizard forcing clients to install the full version of a game instead of the demo version, when the full version isn't released yet
- Added l4d.com to the whitelist of chat url's not to warn about
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