Update: the notarization errors are a little less in terms of amount... notarytool log : severity: error, code: null, path: XYZ 2 OSC.zip/XYZ 2 OSC.app/Contents/MacOS/XYZ 2 OSC, message: The signature of the binary is invalid., docUrl: https://developer.apple.com/documentation/security/notarizing_macos_software_before_distribution/resolving_common_notarization_issues#3087735, architecture: x86_64 (exact same message for arm64) severity: error, code: null, path: XYZ 2 OSC.zip/XYZ 2 OSC.app/Contents/Frameworks/Python.framework/Python, message: The signature of the binary is invalid., docUrl: https://developer.apple.com/documentation/security/notarizing_macos_software_before_distribution/resolving_common_notarization_issues#3087735, architecture: x86_64 (exact same message for arm64)