watchOS 4.3 for Apple Watch coming today with iPhone Music control, smarter Siri watch face, more (U: Now available)

Apple is officially releasing watchOS 4.3 for all Apple Watches today. The latest software update includes several new features and changes including restored Music control for iPhone libraries from Apple Watch, more data points on the Siri watch face, portrait orientation for Nightstand Mode, updated alerts when unlocking Macs, and several animation changes including charging and loading apps.

Official release notes below:

Some features may not be available for all countries or all areas, for more information visit:

For information on the security content of this update, please visit this website:

Catch up on our observations during the beta period below:

New in watchOS 4.3

Beta 1-2

Beta 3-6

See our hands-on video with the original watchOS 4.3 beta below:

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Apple's software platform for its wrist-worn wearable, Apple Watch.

watchOS 4

watchOS 4.3

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