Apple Launches Safari Technology Preview 208 for macOS: What's New and How to Update

Apple has released Safari Technology Preview 208 for macOS, an experimental browser version for developers. This update includes fixes and improvements for CSS, JavaScript, Rendering, Web API, and WebRTC.

What's New in Safari Technology Preview 208
- Scrollbar Issue Fixed: Corrects the scrollbar appearance when the color scheme changes.
- WebRTC Fix: Resolves a voice search issue, so it doesn't re-prompt for camera or microphone permission.
- Source Maps: Fixes mishandling of source maps from previous versions.
- Resizing Issue: Addresses a problem where resizing wasn't applied to generated content.
- New Features: Adds support for Iterator Helpers, relaxed laneselect SIMD instructions, unless-frame-url to content blockers, and attr() fallback support.

Availability
- Devices: macOS Sonoma and macOS Sequoia.
- Free Access: No Apple Developer account needed.
- Download: Available via software update in System Preferences.

This update builds on Safari Technology Preview 207, which brought improvements in loading, networking, web extensions, and web inspector.

With this release, developers can test upcoming web technologies before they are publicly available.