Apple Releases watchOS 26.3
Source: MacRumors
Apple today released watchOS 26.3, an update to the watchOS 26 operating system that debuted in September. The new version arrives two months after Apple released watchOS 26.2.

watchOS 26.3 can be downloaded for free on an iPhone running iOS 26.3 by opening the Apple Watch app, navigating to General > Software Update, or by initiating an update directly in the Settings app on the watch. To install the new software, the Apple Watch must have at least 50 % battery and be placed on a charger.
According to Apple’s release notes, watchOS 26.3 includes unspecified bug fixes and security updates; no new outward‑facing features were discovered during the beta testing process.