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Arma 2: Operation Arrowhead update for 21 December 2021

Arma 2 Operation Arrowhead Windows 11 Hotfix #2

Share · View all patches · Build 7922873 · Last edited 21 December 2021 – 20:09:03 UTC by Wendy

Patchnotes via Steam Community

This hotfix for Arma 2: Operation Arrowhead resolves a few issues with the original Windows 11 update and brings a quality-of-life change to the branch configuration.

We are adding the new Windows 10 and 11 compatible BattlEye files to Arma 2 OA's /Expansion folder to ensure functionality with older setups.

We are also removing password protection from the branch _163backup which contains 1.63 version of Arma 2 OA. This is to ensure compatibility with Linux servers still running on the 1.63 version.



  • Added new client binaries and libraries to the Arma 2 Operation Arrowhead Expansion folder.

Steam Branch Configuration

  • Removed password protection from the _163backup branch, which contains the latest build of Arma 2 OA 1.63.
arma 2 operation arrowhead content Depot 33931
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