Introducing watchOS 10, a milestone update for Apple Watch - Apple

Apple previewed watchOS 10, bringing Apple Watch users redesigned apps, a new Smart Stack to show relevant widgets when needed, and new watch faces.
With the Mindfulness app, users can discreetly and conveniently log their momentary emotions and daily moods.

Apple introduces release candidate of watchOS 10.1

Apple Watch Series 7 - Apple (BY)

Apple releases watchOS 9.6.1 update for Apple Watch users - 9to5Mac

Game Center Overview - Apple Developer

Introducing WatchOS 10, A Milestone Update For Apple Watch, 53% OFF

iOS - Wikipedia

Introducing WatchOS 10, A Milestone Update For Apple Watch - MacSources

watchOS 10.1 for Apple Watch now available with double tap gesture and NameDrop - 9to5Mac

What's new in watchOS 10 — the biggest Apple Watch update in years