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Apple’s new macOS 10.12 Sierra : All you need to know

Apple tends to release new versions of macOS with a “tick, tock” cadence. Back in 2009 it followed up OS X 10.5 Leopard, which introduced hundreds of new features and improvements, with Snow Leopard – a performance-focused update. It repeated the trick with Sierra’s predecessor, OS X 10.11 El Capitan, which was basically a much...