Apple has shared a few more details about its much-discussed privacy changes in iOS 14. The company first announced at WWDC in June that app developers would have to ask users for permission in order to track and share their IDFA identifier for cross-property ad targeting purposes. While iOS 14 launched in the fall, Apple delayed the tracking restrictions until 2021, saying it wanted to give developers more time to make the necessary changes. Now we’ve got a slightly-more-specific timeline.