If you're new to AirPods, considering buying a pair, or just want to pick up some new tips.
AirPods and AirPower: Everything We Know
QuickTime 7.3.1 Security Update
This update is recommended for all QuickTime 7 users and addresses a widely publicized security flaw in QuickTime revealed by Symantec. Details of this and other security fixes are listed in this support document.