MacRumors published a story that Apple has released the tvOS 14.6 release candidate to registered developers.
Apple Seeds tvOS 14.6 Release Candidate to Developers
Apple today seeded a release candidate version of an upcoming tvOS 14.6 update to developers for testing purposes, with the new beta coming one week after Apple seeded the third beta. Designed for the fourth and fifth-generation Apple TV models, the tvOS 14.5 developer beta can be downloaded onto the Apple TV via a profile that's installed using Xcode.
