WatchOS 9

watchOS 9 is the ninth major release of watchOS for the Apple Watch series that is in development at Apple Inc.

Product history
watchOS 9 is derived from iOS 16; both were announced on June 6 at the 2022 Worldwide Developers Conference and are scheduled to be released sometime later in 2022.

New features
VP of Technology Kevin Lynch and staff introduced the following new features at WWDC 2022:
 * Metrics — updated to improve user workouts.
 * Sleep — records user sleep activity.
 * Heart — updated with the ability to record (AFib) history of users.
 * Medications — help users manage medications and supplements.

Some new accessibility features that Apple previewed as part of on May 17, 2022 include:
 * Apple Watch mirroring for users to control their watchOS device remotely from an iPhone.
 * New Quick Actions to expand AssistiveTouch gestures in watchOS.
 * Siri Pause Time to allow more time for users with speech disabilities to issue a voice command.

Supported devices
watchOS 9 is expected to support the new Apple Watch Series 8 along with most existing models, but has been speculated to drop support for Apple Watch Series 3, the oldest remaining model.