Apple Releases Safari Technology Preview 233 With Bug Fixes and Performance Improvements
Published: (December 8, 2025 at 06:47 PM EST)
1 min read
Source: MacRumors
Source: MacRumors
Safari Technology Preview 233 released
Apple today released a new update for Safari Technology Preview, the experimental browser that was first introduced in March 2016. Apple designed Safari Technology Preview to allow users to test features that are planned for future release versions of the Safari browser.
Key updates
- Updated WebKit rendering engine for faster page loads.
- Improved JavaScript performance and reduced memory usage.
- Fixed several security regressions reported in the previous preview.
- Added support for new CSS layout features and updated WebGPU implementation.
- Refined the developer tools UI for better debugging experience.
How to get it
Developers and power users can download the latest preview from Apple’s developer website to explore these enhancements before they roll out to the stable Safari release.