Half-Life 2 and Counter-Strike: Source Update Released (Stuttering fixed)
 

Half-Life 2 and Counter-Strike: Source updates are available and will be applied automatically when Steam is restarted. The changes include:


Half-Life 2

Fixed sound stuttering problems caused by thread contention in sound system

Counter-Strike: Source

Fixed missing models when running the Video Stress Test

http://www.steampowered.com/index.php?area=news&id=384