/usr/libexec/PlistBuddy -c "Add :com.apple.security.get-task-allow bool true" /tmp/my-app-debug-entitlements.plist /usr/libexec/PlistBuddy -c "Add :com.apple.security.cs.disable-library-validation bool true" /tmp/my-app-debug-entitlements.plist codesign --timestamp --options runtime --sign "Developer ID Application: *** (***)" --entitlements /tmp/my-app-debug-entitlements.plist --force /path/to/my-debug-binary I had no problems with the notarization process of the binary I signed this way. As you said, I will not distribute my application in this way. I will only distribute this binary to users I want to debug. Thanks.

As you said, both your message and the support team's constant use of the same phrase "Your case has been escalated to the engineers, and they're working on it" are not helpful. But thank you for your efforts @eskimo