Alongside iOS 11.3 Apple has released watchOS 4.3, tvOS 11.3 and iOS 11.3 for HomePod. All of these software updates can now be downloaded over-the-air from the software update section on their respective devices.
watchOS 4.3 is a major update that has been released for all four models of Apple Watch. It brings a number of new features to the Watch including the Music controls that allow users to control iPhone music library from their Apple Watch.
The update also brings portrait orientation for Nightstand Mode, update alerts when unlocking a Mac with an Apple Watch, Activity rings and Apple Music mixes info for the Siri watch face, ability to control volume and playback on HomePod and more.
tvOS 11.3 has also been released for Apple TV fourth gen. and Apple TV 4K users. The update introduces the frame rate matching feature for the fourth generation Apple TV, which was previously only available on the 4K model.
Today Apple has also pushed the very first software update for HomePod, its newly released smart speaker. The new update can be installed on the device automatically or when you get a prompt through the Home app after updating your iPhone to iOS 11.3.