<ul data-eligibleForWebStory="false">Apple's watchOS 26 Beta 3 brings comprehensive updates focusing on battery performance, user interface redesign, and expanded app capabilities.Improvements in battery life target users requiring extensive Apple Watch use without frequent charging.Redesigned user interface enhances usability and gives the Apple Watch a modern and polished appearance.Enhancements to the app ecosystem cater to productivity and fitness needs, making the Apple Watch a versatile tool.