Safari Technology Preview contains the most recent additions and improvements to WebKit and the latest advances in Safari web technologies. And once installed, you will receive notifications of updates from the Mac App Store.
- Shared Links Extensibility. Use the new Shared Links API extension to add link suggestions to the shared links feed on Safari for OS X and iOS.
- Content Blocking API for Safari extensions. Easily block content from a large collection of webpage resources with minimal overhead and incredibly high performance.
Power and Performance
- Changed to pause silent WebAudio rendering in background tabs
- Changed to pause animated SVG images on pages loaded in the background
- Changed to make inaudible background tabs become eligible for memory kill after 8 minutes
- Changed to kill any WebContent process using over 16 GB of memory
- macOS 10.12 or later