Introducing watchOS 10, a milestone update for Apple Watchĭelivering redesigned apps, a new Smart Stack, additional watch faces, new cycling and hiking features, and tools to support mental healthĬUPERTINO, CALIFORNIA Apple today previewed watchOS 10, bringing Apple Watch users a fresh approach to quickly view information with redesigned apps, a new Smart Stack to show relevant widgets right when they’re needed, and delightful new watch faces.