Comment by sethops1
I think this might only be true on Android? Apple has a strict policy that the basic app functionality must work even without permissions. And testing right now, I can send messages to direct numbers without having given access to my contacts.
Original poster explained that the functionality is having a contact list. WhatsApp will either access and use ALL your contacts or none on iPhone as well as android. Having jumped through many hoops to preserve conversations without leaking contacts, I’m highly attuned to this…