Overview

• Build 227 delivers fixes across core web components including Accessibility, CSS, JavaScript, Rendering, Web API, Web Inspector, and WebAssembly.
• The release supports macOS Sequoia as well as macOS Tahoe, which is slated to arrive later this year.
• Updates are distributed through Software Update in System Preferences or System Settings for anyone who previously installed the preview.
• Full release notes are posted on the Safari Technology Preview website for detailed change tracking.
• The preview runs alongside the stable Safari browser and is open to non‑developers to facilitate broad feedback.