[quote='808475021, StanLey-Pliszko, /thread/808475, /profile/StanLey-Pliszko'] Why does local codesign --verify pass but Apple notarization service fails? [/quote] I’ve seen this happen for a couple of reasons: Case sensitivity Packaging To test the first: Create a case sensitive APFS disk image. Use the Finder to copy your app to it. Run your codesign --verify test against that copy. On the packaging front, it’s common for apps using third-party tooling to not follow the guidelines in Placing content in a bundle. When that happens, the app can end up with a code signature that relies on extended attributes. And when that happens you can run into problems during notarisation because of the various ways that those extended attributes are packaged. To test this: Build your app to a disk image. Use xattr to check entire app bundle for extended attributes starting with the com.apple.cs. prefix. Finally, I want to address two other things that are unlikely to be the cause of this issue b
Topic:
Code Signing
SubTopic:
Notarization