Apple has posted its preview sites for its incoming updates: iOS 10, macOS Sierra, watchOS 3, and tvOS 10. Each page offers details on its respective update, previewing the biggest changes for customers. The company also has a preview page for Swift Playgrounds.
You'll find the new pages right here:
Of course, customers will be able to get their hands on all of these updates when they launch this fall. They are currently in developer beta, with public betas for iOS 10 and macOS coming at some point in July.