Apple today provided developers with the third beta of tvOS 26 for testing purposes, with the beta coming two weeks after the second beta was released.
The software updates can be downloaded through the Settings app on the Apple TV.
tvOS 26 adopts new Liquid Glass design changes inspired by visionOS, much like iOS 26 and macOS 26. The update also includes support for karaoke using an iPhone as a microphone, improvements for using AirPlay speakers with a TV, new Aerial screen savers, and quicker logins to apps at setup thanks to Apple Account syncing.
Read more at MacRumors.com