MacRumors published a story that Apple has released the fourth beta of tvOS 15.4 to registered developers.
Apple Seeds Fourth Beta of tvOS 15.4 to Developers
Apple today seeded the fourth beta of an upcoming tvOS 15.4 update to developers for testing purposes, with the software coming two weeks after Apple seeded the third tvOS 15.4 beta.
Apple Seeds Fourth Beta of tvOS 15.4 to Developers
Developers can download the new tvOS 15.4 beta by downloading a profile onto the Apple TV using Xcode.
