MacRumors published a story that Apple has released watchOS 8.7 with bug fixes and performance improvements.

Apple Releases watchOS 8.7 With Bug Fixes and Performance Improvements

Apple today released watchOS 8.7, the sixth major update to the watchOS 8 operating system that launched in September 2021. watchOS 8.6 comes around two months after the launch of watchOS 8.6, an update that expanded ECG functionality to Mexico.

watchOS ‌8.7 can be downloaded for free through the dedicated Apple Watch app on the iPhone by going to General > Software Update.

  Apple Releases watchOS 8.7 With Bug Fixes and Performance Improvements