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Apple Releases Safari Technology Preview 228 Focused on Stability and Performance

The public preview lets developers and advanced users test upcoming WebKit changes to inform Safari’s roadmap.

Overview

  • Build 228 delivers broad fixes and speed improvements across Accessibility, CSS, DOM, JavaScript, Media, PDF, Rendering, SVG, Service Worker, Web API, Web Extensions, Web Inspector, WebGPU, and WebRTC.
  • Notable resolutions include a WebRTC issue that left the camera indicator active after meetings and corrected handling of certain PNG pixel formats in WebGPU.
  • Additional fixes address find‑in‑page being disabled by -webkit-user-select: none and stability problems when navigating with some extensions enabled.
  • The release is compatible with macOS Sequoia and macOS Tahoe and can be installed via System Settings under Software Update for users who already downloaded the preview.
  • The preview runs alongside the regular Safari without a developer account, with full release notes and WebKit changes 299100@main–299754@main posted on Apple’s site.