Apple has released macOS Sierra
From OSNews:MacOS Sierra released
macOS Sierra brings Siri to the Mac, allowing users to conduct voice searches to find files, look up information, and more, with the ability to pin searches to the Notification Center for continual monitoring. There are new Continuity features including an "Auto Unlock" option for unlocking a Mac with an Apple Watch, and a "Universal Clipboard" option for copying text on one Apple device and pasting it on another.
MacOS being in maintenance mode, this isn't the most significant update the operating system's ever seen. But hey, it's free, so go get it.