Apple Releases Safari Technology Preview 139 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 release 139 includes bug fixes and performance improvements for Web Inspector, CSS, Web Animations, Rendering, SVG, WebAuthn, Web API, JavaScript, Content Security Policy, Media, Service Workers, Web Extensions, and more.
The current Safari Technology Preview release is built on the Safari 15.4 update and it includes Safari 15 features introduced in macOS Monterey.
The Safari Technology Preview update is available through the Software Update mechanism in System Preferences 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
Apple released iOS 16.3 in late January following nearly six weeks of beta testing. The software update is available for the iPhone 8 and newer, and while it is a relatively minor update, it still includes a handful of new features, changes, and bug fixes.
Below, we've recapped new features in iOS 16.3, including support for physical security keys as a two-factor authentication option for...
Apple's VP of hardware engineering Matthew Costello and product marketing employee Alice Chan recently spoke with Men's Journal and TechCrunch about the new second-generation HomePod in wide-ranging interviews about the smart speaker.
Apple discontinued the original full-size HomePod in March 2021 after multiple reports indicated that sales of the speaker were lackluster, but Chan told Men's ...
Apple's next device with an Apple silicon chip may not be a Mac or an iPad, but rather an advanced external display, according to recent reports.
The display, which is rumored to arrive this year, is expected to sit somewhere between the $1,599 Studio Display and the $4,999 Pro Display XDR – but more exact information about the device's positioning and price point is as yet unknown. While ...
Apple appears to be preparing an iOS 16.3.1 update for the iPhone, based on evidence of the software in our website's analytics logs this week. It's unclear when the update will be released, but it will likely be available at some point in February.
The same logs have accurately foreshadowed the release of several previous updates, including iOS 16.0.3 and iOS 16.1.1 most recently, so they...
Apple has previously announced several upcoming iOS features that are expected to be added to the iPhone this year. Some of the features could be introduced with iOS 16.4, which should enter beta testing soon, while others will arrive later in the year.
Below, we have recapped five new iOS features that are expected to launch in 2023, such as an Apple Pay Later financing option for purchases ...
The Apple Pay Later service that Apple has in the works is set to launch "soon," Apple CEO Tim Cook told CNBC ahead of today's earnings call for the first fiscal quarter of 2023.
Cook said that Apple employees are beta testing the Apple Pay Later feature, which will help Apple boost services revenue. "It will be launching soon," Cook said.
Apple Pay Later was first previewed at the...
Google's Chromium developers are working on an experimental web browser for iOS that would break Apple's browser engine restrictions, The Register reports.
The experimental browser, which is being actively pursued by developers, uses Google's Blink engine. Yet if Google attempted to release it on the App Store, it would not pass Apple's App Review process.
Apple's App Store rules dictate...
Top Rated Comments
I'm primarily a web developer so I'm genuinely curious about your experiences.