Hello, we found out what the issue was. We had a C++ library bundled as a .dylib directly in the app. It must be wrapped in a .framework (at least on iOS). Once I did that, the error was gone. It would be good to have a proper error message in App Store Connect, I assume this is a bug of the verification bot.

Here is the feedback I filed: FB22599411 Thank you!

I am using Xcode 26.4.1 (17E202). To copy the dylib, I am using a custom made Xcode build phase. I opened the resulting IPA to check, and the .dylib is present in Payload/AlbusAir.app/Frameworks/libswiftCompatibilitySpan.dylib. I put it here because the ITMS-90429 error told me that the file is expected in /Payload/AlbusAir.app/Frameworks. I checked the thread that you linked but I don't see any useful answer made to the OP, did I miss something? Thanks for your help !

Here is the feedback number: FB16094609 Thank you for your help!

No, if I try to go inside the Cloud tab with other projects I have the Xcode Cloud welcome page with the Get Started button.

Here is the output, with names related to the company, brand and products anonymised archivable_products.json