LEAKED APPLE WATCH SERIES 10 PROTOTYPE FEATURES NEVER-BEFORE-SEEN HEALTH SENSOR

Summary from the TLDR Design newsletter

A leaked Apple Watch Series 10 prototype revealed a new sensor layout with a mysterious "extra light ring," hinting at blood pressure and glucose monitoring experiments. Though these features will be likely delayed, the prototype, running on watchOS 11.1, suggests Apple is still developing advanced health sensors for future models.