tvOS 26.3 Beta 2 Is Out Now for Apple TV Developers

Apple released the first tvOS 26.3 developer beta in mid-December. Now, tvOS 26.3 beta 2 is available for developers, and it carries build number 23K5600b.



The earlier tvOS 26.3 beta 1 build was 23K5585c, posted on December 15, 2025. Apple seeded beta 2 on January 12, 2026, continuing the test cycle ahead of a wider release.



How to update tvOS 26.3 beta 2




On Apple TV, open Settings.



Go to System.



Select Software Updates.



Turn on beta updates (developer access required), then download and install.




What’s changed in this beta



Apple has not highlighted major user-facing additions in beta 2 so far. Early reporting points to bug fixes, stability improvements, and under-the-hood performance work rather than new features.



If you spot anything new in tvOS 26.3 beta 2, let us know in the comments.