Updates to Counter-Strike: Source, Team Fortress 2 and Day of Defeat: Source have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:
Engine- Tuned thread initialization to improve performance on CPUs with more than four cores
Counter-Strike: Source- Fixed leftover shadows when ragdoll physics are disabled
- Added stats gathering to track client and server performance
- Added instrumentation to help debug network issues
Disabled some unsupported threading convars
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