9to5Mac published a story that Apple has released tvOS 14.
tvOS 14 now available for your Apple TV: deeper HomeKit integration, 4K YouTube, Picture-in-Picture
tvOS 14 is out now, available to install on your Apple TV fourth-generation or Apple TV 4K set-top box. To update, go to the Settings app and navigate to General -> Software Update. tvOS 14 brings a variety of new features and enhancements to your Apple TV, including richer integration with HomeKit accessories like cameras.
tvOS 14 now available for your Apple TV: deeper HomeKit integration, 4K YouTube, Picture-in-Picture - 9to5Mac