Developers can now acquire the fourth beta of tvOS 17.3 to test out on the Apple TV.Developers taking part in the test program can access the latest build by visiting the Apple Developer Center, or by updating any Apple TV set-top boxes that are already running the beta. Public beta versions usually surface a short time after the developer counterparts, and the public can sign up to test them via the Apple Beta Software Program when they become available.The fourth tvOS 17.3 developer beta arrives after the third, dated January 9, while the second was issued on January 3.The fourth beta of tvOS 17.3 is build number 21K646, replacing the third, 21K5643b. Continue Reading on AppleInsider | Discuss on our Forums