Here's the definition as defined by apples store requirements:
Sensitive Info Such as racial or ethnic data, sexual orientation, pregnancy or childbirth information, disability, religious or philosophical beliefs, trade union membership, political opinion, genetic information, or biometric data
src: https://developer.apple.com/app-store/app-privacy-details/
My guess is they will probably ask for your gender or face scan etc.
Wait, when I browse ALL from Lemmy.world it’s not showing all posts from all federated instances?