Its similar to the already-existing Safari Privacy Report, only it doesnt apply just to the web.
It applies to every app on your deviceincluding Apples own apps.
This will tell you whether the app has contacted tracking services or other unexpected places on the internet.
Apple
App Privacy Report is a comprehensive collection of exactly what apps are getting up to behind the scenes.
Privacy Shaming
What difference will this make?
Apples privacy measures have had differing levels of success.
Apple
ButATT doesnt actually block anything.
It revealed thatmany apps were grabbing clipboard dataas often as every few seconds.
Some of these were legita delivery-tracking app might monitor the clipboard for parcel-tracking numbers, for example.
Apple
The good ones can prove their trustworthiness by simply not accessing your data.
What Can You Do With This Data?
If you discover an app has been making dodgy-looking connections, what can you do?
You could publicize it.
Or you could use this information to block those connections.
Nuke them from orbit.
Its the only way to be sure.