Apple Releases Safari Technology Preview 229 With Broad Fixes and Performance Updates

The public preview collects real‑world feedback that informs future Safari releases.

Overview

Build 229 delivers fixes across Accessibility, CSS, Events, Forms, JavaScript, Networking, SVG, Storage, Web API, Web Inspector, WebDriver, and WebGPU.
The update emphasizes stability and standards-focused improvements across core web-platform components.
Compatibility covers Macs running macOS Sequoia as well as the newest version, macOS Tahoe.
Existing users can update via System Settings in Software Update, with complete release notes available on Apple's Safari Technology Preview website.
Safari Technology Preview installs alongside the stable browser and does not require a developer account, enabling broad testing and feedback.