# iOS 27.3 and macOS 27.3 add Vertical Tabs, Adaptive Dark Mode, and more to Safari

- Source: 9to5Mac
- Published: 2026-11-03T18:51:53+00:00
- Category: Tech
- Original: https://9to5mac.com/2026/11/03/ios-27-3-and-macos-27-3-add-vertical-tabs-adaptive-dark-mode-and-more-to-safari/
- Canonical: https://groundlevelnews.com/story/ios-27-3-and-macos-27-3-add-vertical-tabs-adaptive-dark-mode-and-more--657388/

Apple just released the first betas of iOS 27.3, iPadOS 27.3, and macOS 27.3, with some big changes to Safari. The updates add a new vertical tab layout, Adaptive Dark Mode, and Siri AI Custom Actions. more…

_Ground Level News shows a short summary only; the full article and all rights belong to 9to5Mac._