https://wccftech.com/apple-finally-releases-watchos-8-1-and-tvos-15-1-for-all-compatible-devices/

Today, Apple has seen fit to release tvOS 15.1 and watchOS 8.1 to the general public. The new update arrives weeks after Apple released watchOS 8 and tvOS 15 to the public. If you happen to own an Apple Watch or an Apple TV, the new watchOS 8.1 and tvOS 15.1 will be available to download starting right now. Scroll down to read more details on what is new in the latest builds.

watchOS 8.1 and tvOS 15.1 updates are available on all compatible Apple Watch and Apple TV models. Stating off with watchOS 8.1, the new build features a boatload of new bug fixes and performance enhancements for a stable user experience. Other than this, watchOS 8.1 release also includes enhanced fall detection algorithms, support for COVID-19 vaccination card in Wallet app, Fitness+ workouts that can be shared with others using FaceTime Sharing. Check out the changelog.