MacRumors published a story that Apple has released tvOS 16.1 release candidate to registered developers.
Apple Seeds tvOS 16.1 Release Candidate to Developers
Apple today seeded the release candidate version of tvOS 16.1 update to developers ahead of an expected public release on Monday, October 24 alongside iOS 16.1, iPadOS 16.1, and macOS Ventura. The release candidate version comes one week after the launch of the fourth beta.
Apple Seeds tvOS 16.1 Release Candidate to Developers
tvOS updates are typically minor, focusing on under-the-hood bug fixes and improvements rather than outward-facing changes. No new features were found in the tvOS 16.1 betas.