ARMA 2 Operation Arrowhead Patch 1.50-1.55 to 1.56

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VERSION 1.56 HIGHLIGHTS
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* Arma 2: Private Military Company Lite - all units, vehicles and weapons from Arma 2: Private Military Company are included in this patch with lower quality textures and audio files. The full version of Arma 2: Private Military Company with high resolution textures and packed with a new campaign is available for purchase; see http://www.arma2.com/pmc for more information about the content of Arma 2: Private Military Company.
* ARMEX - The Multiplayer Armory - enables you to try out all weapons and every single vehicle model from Arma 2 in dynamically generated missions with up to eight friends online or over LAN!

Version 1.55-1.56 Changelog
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Data
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* Add: more camo (replaceable textures) selection for OA vehicles.
* Fixed: missing shadows and heads in distance LODs for some OA characters.
* Added: MP Armory.

Engine
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* Improved: -exThreads=3 now default for dual cores.
* Improved: -cpuCount defaults improved for 6 or more than 8 CPUs.
* Fixed: No more LOD blending issues (esp. with vegetation).
* Fixed: Ignored collision with some vehicles.
* Improved: AI cover selection improved a bit.
* New: Video options VSync selection.
* Fixed: Character collisions with stones often resulted in flying or being stuck. (http://dev-heaven.net/issues/12043)