I see. I had checked attestKey and it says "Mac Catalyst 14.0+ | macOS 11.0+" among others, but that just means the API is present. developer.apple.com/document

I see. I had checked attestKey and it says "Mac Catalyst 14.0+ | macOS 11.0+" among others, but that just means the API is present. developer.apple.com/documentation/devicecheck/dcappattestservice/attestkey(_:clientdatahash:completionhandler:)