Users have always been able to disable IDFA tracking before iOS 14. It’s just that with iOS 14.5, 1. Technically, apps will have to prompt the users to enable

Users have always been able to disable IDFA tracking before iOS 14. It’s just that with iOS 14.5, 1. Technically, apps will have to prompt the users to enable it. 2. Policy-wise, Apple says that when disabled, apps should no longer track users. They can’t enforce this of course.