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GitHub Actions runs on x64 architectures. If you’re building or testing for arm64 architectures and using QEMU emulation to do so, you can change your workflow file to natively use arm64. For this, you simply need to change your platform and remove the QEMU step. Migrate to Arm runners

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Arm image

GitHub began publishing official arm64 images in the actions/runner-images repository in June 2026. Prior to that, Ubicloud built its own arm64 images since GitHub did not publish templates for arm64 at the time. We now use GitHub’s templates to build our arm64 images as well, and update them monthly following each new GitHub release, the same process we use for our x64 images. If you notice any discrepancies between Ubicloud arm64 runners and the official GitHub runners, please reach out to us at support@ubicloud.com. If your workflow has a package dependency that doesn’t exist on Ubicloud’s image, we recommend installing the dependency manually for the time being or creating an issue at actions/runner-images repository.