AirPods now can tell whether you’re answering a call on iPhone or watching a show on Apple TV.
macOS Big Sur: ARM processors, HomeKit: Open Source
macOS Big Sur will run on Macs from 2013 and younger, Intel Mac will still be supported
iOS 14 with large widgets, iPadOS 14 with macOS structure
iOS 14 introduces a new feature: Apps can now be mixed with widgets.