Apple has moved on to the third beta round for iOS 15.4 and iPadOS 15.4, providing developers with a new build for testing.The newest builds can be downloaded via the Apple Developer Center for those enrolled in the test program, or via an over-the-air update on devices running the beta software. Public betas typically arrive within a few days of the developer versions, via the Apple Beta Software Program website.The third round follows the second, which arrived on February 8. The first round occurred on January 27, one day after the release of iOS 15.3, iPadOS 15.3, tvOS 15.3, and watchOS 8.4.Read more