Beta patch which more or less updates ArmA 2 with OA beta fixes:
[72558] New: Aircraft now auto-trims at high speed to prevent climbing.
[72558] Fixed: Transport waited for dead unit to get out.
[72558] Fixed: crew getting killed in vehicles driving from hill/slope
[72558] Fixed: Audio unsupported sample frequency error
[72558] Fixed: Surface sound in infinite terrain (http://dev-heaven.net/issues/11430)
[72558] Fixed: AI vision was not affected by light sources.
[72558] Fixed: Birds were heard inside of a closed vehicle.
[72558] Fixed: Scripting command isFlatEmpty did not work with non-zero third coordinate. (http://dev-heaven.net/issues/11704)
[72123] Fixed: 3D editor - creating of logic center failed (http://dev-heaven.net/issues/11876)
[71854] Fixed: Av8 unable to takeoff from Chernarus NE airstrip (http://dev-heaven.net/issues/3240)
[71852] Fixed: Dedicated server frozen on dual/single core computers unless using -exThreads=1 or more.
[71839] Fixed: Fog and sky colors did not match when dark.
[71819] Fixed: Stars no longer visible through terrain with low view distance (http://dev-heaven.net/issues/8374)
[71815] Fixed: Moon rotates when moving camera (http://dev-heaven.net/issues/8051)
[71797] Fixed: Improved game stability with a small page file.
[71753] Improved: Aim needs to be realigned after moved by recoil.
[71752] Fixed: Gun recoil in ironsights view was missing kick-back (http://dev-heaven.net/issues/4401)