At a Glance · AI-generated

Apple released the first developer beta versions of iOS 27.3, macOS 27.3, and its other operating systems on November 3, introducing new features across its platforms. iOS 27.3 brings an updated Apple Health app, enhanced Siri AI capabilities, Safari improvements including vertical tabs and adaptive dark mode, a new Reachability feature for iPhone Duo devices, and expanded Apple Fitness+ offerings with gym strength plans. The macOS 27.3 beta, called Golden Gate, shares several features with iOS 27.3, including the Safari enhancements and new capabilities for Siri.