ARMA 2: Operation Arrowhead version 1.56-1.57 Changelog
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VERSION 1.57 HIGHLIGHTS
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* improved netcode (better locality handling)
* new scripting commands


Engine
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* Fixed: Cursor on the windows borders no longer flashing when attempting to drag/resize the window.
* Fixed: Win7/Vista Aero preview should no longer be activated by mouse movement while playing.
* Fixed: Helicopters no longer lifting off when aircraft passed over them (http://dev-heaven.net/issues/14589).
* Fixed: AI Helicopters wobbling up and down (http://dev-heaven.net/issues/14410).
* Improved: Enemy targets are now unassigned once their crew is killed.
* Fixed: doFire did not work on most targets.
* New: Multihome servers support. Commandline parameter -ip=my.ip.add.res available.
* Fixed: SetCaptive doesn't stop AI shooting at a unit/player (fix 2.0)
* Fixed: Groups were missing units after group changes on JIP clients.
* Fixed: LOD switching with -exThreads=0
* Fixed: Despite irTarget = 0 units/objects could be locked with TAB.
* Fixed: SetCaptive doesn't stop AI shooting at a unit/player.
* New: allMissionObjects script command.
* New: Script command setPlayerRespawnTime.
* New: new AllDead command.
* Fixed: Video playback stuttering.
* Fixed: Locality issues of objects in MP (mainly updates from nonowner errors). Version raised to 1.57 due to MP incompatibility.

Data
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* Add: camo (replaceable textures) selections for M2A2/3.
* Changed: GPS added for all SUVs.
* Fixed: A/MH6 main rotor artifact.
* Fixed: Missions: 06 From Hell, task "Locate the pilot" always failed.