Updates to Call of Duty: Modern Warfare 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Call of Duty: Modern Warfare 2
Improved IWNet matchmaking
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Gamers demanding additional services and innovations, publisher says.
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The most-anticipated game of the year and the sequel to the best-selling first-person action game of all time, Call of Duty Modern Warfare 2 continues the gripping and heart-racing action as players face off against a new threat dedicated to bringing the world to the brink of collapse.
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Call of Duty: Modern Warfare 2 (PC)It's set to be one of the biggest selling games of all time. Is it one of the greatest?
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Call of Duty: Modern Warfare 2 (PC)Check out our adrenaline pumping footage, complete with dozens of kickass kills. And yes, it's spoiler free.
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Call of Duty: Modern Warfare 2 (PC)Infinity Ward's latest FPS epic is here. Check out our in-depth, spoiler-free impressions here.
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Call of Duty: Modern Warfare 2 (PC)We pull the curtain back on Modern Warfare's co-op Bomb Squad mission.
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Call of Duty: Modern Warfare 2 (PC)We pull the curtain back on Modern Warfare's co-op Bomb Squad mission.
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Call Of Duty Treyarch Project [untitled] (PC)Publisher confirms the obvious.
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In honor of the upcoming release of Call of Duty Modern Warfare 2, we relive some our favorite moments from Call of Duty 4 Modern Warfare.
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