First off, watchOS 3 now has faster performance and simplified navigations, which in turn allows for apps to be opened faster with updated information ready. The side button on the Apple Watch now opens the new Dock, showing up to ten most recently used apps on the device.
Apple has also added a few new watch faces to the Watch. Swiping through difference faces in now also a breeze. Allowing folks to switch between watch faces with a few swipes for different times throughout the day.
watchOS 3 also bring the ability to unlock a Mac with the Apple Watch. When a Mac senses that the Apple Watch is within close range, the computer will automatically unlock once turned on.
Activity rings can now also be shared with friend and family for motivation and competition. Apple Watch users can compete with each other to see who can complete the three rings the quickest.
Finally, Apple has added other notable features like the SOS option, Breath app, refreshed Control Center, and support for the new iOS 10 Messages features.
Apple Watch owners are required to have at least 50 percent battery life, connected to WiFi, and plugged into the charge before they can update via Watch app to watchOS 3.
