MacRumors published a story that Apple has released the third beta of tvOS 13.4 for testing.
Apple Seeds Third Beta of Upcoming tvOS 13.4 Update to Developers
Apple today seeded the third beta of an upcoming tvOS 13.4 update to developers for testing purposes, one week after seeding the second beta and a month after the release of tvOS 13.3.1.
Apple Seeds Third Beta of Upcoming tvOS 13.4 Update to Developers
Designed for the fourth and fifth-generation Apple TV models, the new tvOS 13.4 developer beta can be downloaded onto the ‌Apple TV‌ using a profile that's installed using Xcode.
