[Bug 23578] Team Fortress 2: Significant lag disrupts gameplay...

http://bugs.winehq.org/show_bug.cgi?id=23578

--- Comment #48 from Professor Sock, of St. Trinians.   2010-07-15 19:43:16 ---
It looks like Valve might have sorted this.

Played for a number of hours this evening with no problems at all and the
intermittent stuttering which used to occur also seems to be completely gone. 
This is a change from the game becoming unusable after 10-15 mins on average.

This apparent improvement seems to have coincided with a patch which was
released today:

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"Counter-Strike: Source, Team Fortress 2 and Day of Defeat: Source Updates
Released
Product Update     - Valve 14:46
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
core"

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Undocumented fix perhaps? Can anyone confirm or was I just very very lucky? 
The improvement seems total however.