Apple Releases Safari Technology Preview 167 With Bug Fixes and Performance Improvements - MacRumors
Skip to Content

Apple Releases Safari Technology Preview 167 With Bug Fixes and Performance Improvements

Apple today released a new update for Safari Technology Preview, the experimental browser Apple first introduced in March 2016. Apple designed the ‌Safari Technology Preview‌ to test features that may be introduced into future release versions of Safari.

Safari Technology Preview Feature
‌Safari Technology Preview‌ release 167 includes bug fixes and performance improvements for Web Inspector, CSS, JavaScript, WebAssembly, Media, Popover, Rendering, Web API, Accessibility, MathML, and SVG.

The current ‌Safari Technology Preview‌ release is version 16.4 and is compatible with machines running macOS Ventura and macOS Monterey.

The ‌Safari Technology Preview‌ update is available through the Software Update mechanism in System Preferences or System Settings to anyone who has downloaded the browser. Full release notes for the update are available on the Safari Technology Preview website.

Apple's aim with ‌Safari Technology Preview‌ is to gather feedback from developers and users on its browser development process. ‌Safari Technology Preview‌ can run side-by-side with the existing Safari browser and while designed for developers, it does not require a developer account to download.

Popular Stories

Safari Technology Preview Updated Feature 1

Apple Releases Safari Technology Preview 242 With Bug Fixes and Performance Improvements

Thursday April 23, 2026 1:59 pm PDT by
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. Safari Technology Preview 242 includes fixes and updates for Accessibility, CSS, Forms, HTMl, Images, JavaScript, Media,...
Safari Technology Preview Updated Feature 1

Apple Releases Safari Technology Preview 243 With Bug Fixes and Performance Improvements

Thursday May 7, 2026 2:03 pm PDT by
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. Safari Technology Preview 243 includes fixes and updates for Accessibility, Animations, CSS, Editing, Encoding, Forms,...
Apple WWDC25 iOS 26 CarPlay Light mode 250609

Six Popular iPhone Apps Now Available on CarPlay

Thursday May 14, 2026 9:10 am PDT by
Apple's CarPlay system for accessing iPhone apps on a vehicle's dashboard screen has received six popular apps in recent weeks: ChatGPT, Perplexity, Grok, Google Meet, WhatsApp, and the indie artist streaming platform Audiomack. Make sure you have the latest version of each app and they will automatically appear on CarPlay. ChatGPT Starting with iOS 26.4, CarPlay supports voice-based...

Top Rated Comments

41 months ago
Still version 16.4 compared to Safari 16.5 bundled with macOS 13.4
Score: 2 Votes (Like | Disagree)
MasterControlProgram Avatar
40 months ago
This version seems completely broken. I have to restart it frequently throughout the day and it claims every tab open is using a lot of energy. One of the pages it claims this for is a simple HTML form I use for converting UNIX timestamps, it's 1.2K and has no CSS or JS in it! I'm betting there's a memory leak somewhere and it's Safari using all the resources, not the pages themselves.
Score: 1 Votes (Like | Disagree)
felixculpa Avatar
41 months ago
But version 16.5 is 18615.2.1 while STP is Safari 16.4, WebKit 18616.1.8.2. Is a puzzlement.
Score: 1 Votes (Like | Disagree)