@Etresoft I didn't say that I'm notarizing a single static library or a Framework by itself ^^ I notarize my Framework as package, the package contains a binary and multiple libraries including the static library. Please note that I mentioned in my question that notarization does already work correctly for me when I build non-fat files. Only in case of fat files it fails. So I'm indeed able to notarize this archive.

Excellent! Problem solved. Sorry, I will try to clarify: I am able to notarize my installer package when the static library is a non-fat file (only one arch). But it still fails when I try to notarize it with the static library as fat file (universal). :)

@eskimo: Yes I'm building an SDK. I don't expect my clients to include the static lib but I want to offer it as an option. So I'm shipping both the dynamic and the static library. In the past I only shipped the dynamic library but we got requests from some Linux customers to include a static version too, so I added it on Linux and thought it wouldn't hurt when I add it on macOS too. Can you please tell me more about those workarounds :) Thanks

I'm also seeing these crashes in Crashlytics. Only iOS 17 Beta users are affected. I was unable to reproduce this issue.

Same issue here: can't find the Issuer ID for my Individual Key.