The improvements in privacy are outstanding:
With one-time permissions you can grant apps access to your microphone, camera or location, just that one time. The next time the app needs access to these sensors, it will have to ask you for permission again.
In addition, if you haven’t used an app for an extended period of time, we will “auto-reset” all of the permissions associated with that app and notify you of the same. You can always choose to re-grant the app permissions the next time you open the app.
iOS has had one-time permissions since 13, but this “auto-reset” thing is new and cool.