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In addition to iOS 10.3, Apple on Monday released macOS 10.12.4 with Night Shift, watchOS 3.2 with SiriKit and Theater Mode, and lastly tvOS 10.2, featuring smaller enhancements.
The macOS 10.12.4 update is a free download for owners of macOS Sierra, and can be fetched via the Updates tab in the Mac App Store. Night Shift — previously limited to iOS devices — will gradually warm the colors on a Mac's display at night, helping people get to sleep. The option can be turned on through the Displays menu under System Preferences.
Other changes include new PDFKit APIs, cricket scores in Siri, and more options for iCloud Analytics.
Downloading watchOS 3.2 update requires the companion Watch app for the iPhone, and selecting Software Update from its General settings menu. People must also have their Apple Watch in close range and hooked up to power, with at least a 50 percent charge remaining.
watchOS' new SiriKit support should expand the voice commands an Apple Watch supports to third-party apps, for instance letting people send a message or hail a ridesharing service.
The Theater Mode kills sound and disables raise-to-wake, preventing a Watch from becoming an audience distraction.
tvOS 10.2's enhancements include accelerated scrolling in apps, support for the Device Enrollment Program, and better mobile device management in general. It should also offer VideoToolbox, a framework that lets developers tap into hardware-accelerated encoding and decoding.
Updating a fourth-generation Apple TV to the new tvOS involves going into the Settings menu, selecting System, Software Updates, and finally Update Software.