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Add CI support for Windows ARM64 Python wheels - #147

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chinazhangchao wants to merge 2 commits into
openai:mainfrom
chinazhangchao:chao/winarm64
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Add CI support for Windows ARM64 Python wheels#147
chinazhangchao wants to merge 2 commits into
openai:mainfrom
chinazhangchao:chao/winarm64

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@chinazhangchao

@chinazhangchao chinazhangchao commented Jul 29, 2026

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Hi @scott-oai, I'm from Microsoft and recently I'm working on improving Python ecosystem support for Windows on Arm.
So I adds CI support for Windows ARM64. Could you please help to review? Thanks.

Platform and architecture improvements:

  • Added a new platform entry for windows-11-arm with target: aarch64 and python_arch: arm64 to enable CI builds for ARM64 Windows.
  • Explicitly set the python_arch field for each Windows platform (x64, x86, arm64) and updated the setup-python step to use this value for the architecture parameter, ensuring correct Python installation for each build.

Pipeline run results:
https://github.com/chinazhangchao/harmony/actions/runs/30502963841

@chinazhangchao

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Hi @scott-oai @dkundel-openai @hintz-openai
Could you please help to review? Thanks.

Chao
Microsoft

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