https://developer.apple.com/documentation/apptrackingtransparency/attrackingmanager/authorizationstatus/notdetermined Note: Discussion If you call ATTrackingManager.trackingAuthorizationStatus in macOS, the result is always ATTrackingManager.AuthorizationStatus.notDetermined. So, does macOS support getting ATT?

Another common method for cross-website tracking are unique identifiers embedded into URLs, for example, in query parameters. To give people control over where they can be tracked, another new protection is removal of tracking parameters as part of browser navigation, and when copying a link. When a tracking parameter is detected, What is the detection rule of the request browser?