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macOS 10.12 Sierra beta 4 hits the Mac App Store for developers
Apple today released the fourth developer preview of macOS Sierra since showing off the software update for the Mac at WWDC 2016. The latest release is available now through the Mac App Store. macOS Sierra's headlining feature is Siri on the Mac with other features like Auto-Unlock which lets Apple Watch users skip the password login screen. Apple Pay is also coming to Safari with macOS Sierra, although we haven't seen the feature live on the web yet.