Apple adds vertical tabs and dark mode to Safari betas

Apple’s first developer betas of iOS 27.3, iPadOS 27.3 and macOS 27.3 add vertical tabs, Adaptive Dark Mode and new Siri browser controls to Safari. The features are in beta, with a public release expected in December, according to reports describing Apple’s software and announcements. Apple has not confirmed a final release date or which features will be included in the public versions. Vertical tabs move the tab list from the top of the browser window to a sidebar on the left. They appear as icons by default, and users can resize the sidebar to show page titles. The feature is available in the betas for iPad and Mac, as well as the iPhone Duo, according to the reports. Users can enable it through Safari’s View menu on iPad and Mac or through Settings on the iPhone Duo. Tabs can also be used with Tab Groups. Adaptive Dark Mode is designed for websites that do not offer a dark appearance of their own. When Safari detects an eligible light-mode page, it can prompt users to try a darker rendering. The feature adjusts elements including backgrounds, text contrast and graphics, and users can return to the original page view. Developers can use a tag to prevent the feature from...