MacRumors published a story that Apple has released the release candidate of tvOS 14.7 to registered developers.
Apple Seeds Release Candidate Version of tvOS 14.7 to Developers
Apple today seeded the release candidate version of an upcoming tvOS 14.7 update to developers for testing purposes, with the new beta coming one week after Apple seeded the fifth tvOS 14.7 beta.
Apple Seeds Release Candidate Version of tvOS 14.7 to Developers
Designed for the latest Apple TV models, the tvOS 14.7 developer beta can be downloaded onto the Apple TV via a profile that's installed using Xcode.