watchOS 4, macOS High Sierra and tvOS 11 get developer beta 2 releases



Apple has released the second betas for watchOS 4, macOS High Sierra and tvOS 11 to all developers. Find out what’s new in these updates and how to download and install them on your devices.

watchOS 4 macOS High Sierra tvOS 11

tvOS 11

Apple TV, fourth generation, will get the ability to automatically switch between dark mode and light mode interfaces. Homescreen sync, right-to-left language support, background app refresh (finally!) and automatic AirPod pairing will also be part of tvOS 11.

What’s new in tvOS 11 beta 2

Bugs fixes and performance improvements. No major user facing updates have been found yet in beta 2.

watchOS 4 beta 2

watchOS 4 has features like new Siri, Kaleidoscope and Pixar watch faces, intelligence features for fitness and other parts of the OS, health and workout updates, person to person Apple Pay payments, and much more. watchOS 4 will be be available for all Apple Watch users (1st generation, Series 1 and Series 2). Read our in-depth overview of the new features in watchOS 4.


What’s new in watchOS 4 beta 2

Among the new updates in watchOS 4 beta 2, a new sync UI has been discovered that walks through the user on Apple Watch basics like side buttons, digital crown and display. There is also a new ‘Roseta’ pattern in Kaleidoscope watch face.

Follow our guide to learn how to install watchOS 4 beta on your Apple Watch.

macOS High Sierra beta 2

macOS High Sierra will ship with features like a brand-new file system called APFS, HEVC h.265 codec for video compression, Metal 2 API for 10x graphics performance than before and Virtual Reality support. New APIs for developers include CoreML, Swift 4, APFS, Metal 2, updates to WebKit and HEVC. Apps like Messages, Notes, Safari, Siri, iCloud Drive and FaceTime have also been updated with useful new features. Read our comprehensive coverage of the new features in macOS High Sierra.

You can also dual-boot macOS High Sierra with your existing macOS Sierra installation. This is helpful as it means that you can always go back to your existing and stable operating system in case something goes wrong with the new beta builds. For a clean install, follow our guide on how to create a bootable USB drive for macOS High Sierra.

What’s new in macOS High Sierra beta 2

Performance and stability seem much better than beta 1. Apart from that, there is nothing new. Some bugs from beta 1 still exist, including slow boot time.

iOS 11 beta 2 was also released. Find out more here.

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