Actually both things do work: Having different names for framework and bundle -> images show up. Or Disabling "Manager Version and Build Number" -> images show up. Thanks to both, end of the headache. Gonna update here and in the feedback assistant.

Hi, I just tested with a development build using app thinning and I cannot reproduce the problem. My Feedback report (sample project included) is here: https://feedbackassistant.apple.com/feedback/9666186