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Apple unveils second developer betas of iOS 11.2, watchOS 4.2, macOS 10.13.2, tvOS 11.2

By Mike Wuerthele

A week after the latch batch of releases, Apple has deployed second developer beta releases of all of its operating systems, including watchOS 4.2. iOS 11.2, macOS 10.13.2, and tvOS 11.2.

The forthcoming iOS 11.2 appears to be a minor release, rectifying a Calculator bug, but incorporates a Now Playing widget for Apple TV media in Control Center. For developers it introduces SiriKit commands for the HomePod.

On Friday, Apple released an iPhone X-specific iOS 11.2 beta for testing. It appears that the latest beta includes iPhone X compatibility. The latest iOS 11.2 beta build is 15C5097d, with the previous non-iPhone X specific version holding number 15C5092b.

The new watchOS 4.2 has a build number of , with the previous one at build 15S5085b. Known issues include iTunes Store sign-in failure when pairing under certain conditions, and app icons may appear as placeholder images.

The second beta of tvOS 11.2 has build number 15K5090c, with the previous version having number 15K5085b. Apple notes that App Switcher usage may result in poor responsiveness when swiping between apps. tvOS 11.2 adds APIs for automatic frame rate and dynamic range switching for apps that don't use AVKit for video playback.

Changes in High Sierra have not yet been spotted. The previous beta had build number 17C60c, with the present having build number 17C67b.

Apple cautions against installing beta releases of its operating systems on mission-critical hardware, and recommends dedicated gear for testing.

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