Apple today also announced a test version of tvOS 17 for everyone.
What is known
The system received FaceTime support. Users can start a video call on their iPhone or iPad and continue it on their TV. FaceTime on Apple TV supports the Continuity Camera feature. That is, the iPhone can be used as a camera and microphone. tvOS 17 also brings Apple Music Sing, an updated Control Center, and more.
When to expect
To install tvOS 17 Public Beta, you need to register in program Apple beta testing. After that, the firmware can be downloaded through the Apple TV settings.
Source: MacRumors
