Apple Safari 27.3 Beta Released: Adapts to iPhone Duo and introduces vertical tabs, adaptive dark mode, and new Siri AI features

Apple Safari 27.3 Beta Release Pushes Beta Version, Adapts to iPhone Duo and Introduces Vertical Tabs, Adaptive Dark Mode, and Expanded Siri AI Support. Vertical tabs make it easier to view full page titles, adaptive dark mode adjusts display for websites without dark mode, Siri AI can group tabs by voice, close all tabs for a website, or clear browsing history for specified websites.