News from WWDC22: WebKit Features in Safari 16 Beta
ContentsWeb Inspector ExtensionsContainer QueriesWeb Push for macOSSubgridFlexbox InspectorAccessibility ImprovementsAnimation ImprovementsOverscroll BehaviorShared WorkerAnd moreFeedback WebKit has had a big year, with over 162 new features and improvements shipping in WebKit browsers — including Safari 15.2, Safari 15.4, and Safari 15.5. Features from earlier this year include dialog element, la
Speculation in JavaScriptCore
This post is all about speculative compilation, or just speculation for short, in the context of the JavaScriptCore virtual machine. Speculative compilation is ideal for making dynamic languages, or any language with enough dynamic features, run faster. In this post, we will look at speculation for JavaScript. Historically, this technique or closely related variants has been applied successfully t
Full Third-Party Cookie Blocking and More
This blog post covers several enhancements to Intelligent Tracking Prevention (ITP) in iOS and iPadOS 13.4 and Safari 13.1 on macOS to address our latest discoveries in the industry around tracking. Cookies for cross-site resources are now blocked by default across the board. This is a significant improvement for privacy since it removes any sense of exceptions or “a little bit of cross-site track
Intelligent Tracking Prevention 2.3
Note: Read about past updates to this technology in other blog posts about Intelligent Tracking Prevention, the Storage Access API, and ITP Debug Mode. Intelligent Tracking Prevention (ITP) version 2.3 is included in Safari on iOS 13, the iPadOS beta, and Safari 13 on macOS for Catalina, Mojave, and High Sierra. Enhanced Prevention of Tracking Via Link Decoration Our previous release, ITP 2.2, foc
WebGPU and WSL in Safari
WebGPU is a new API being developed by Apple and others in the W3C which enables high-performance 3D graphics and data-parallel computation on the Web. This API represents a significant improvement over the existing WebGL API in both performance and ease of use. Starting in Safari Technology Preview release 91, beta support is available for WebGPU API and WSL, our proposal for the WebGPU shading l
Release Notes for Safari Technology Preview 83
Safari Technology Preview Release 83 is now available for download for macOS Mojave and macOS High Sierra. If you already have Safari Technology Preview installed, you can update in the Software Update pane of System Preferences on macOS Mojave and from the Mac App Store’s Updates tab on macOS High Sierra. After updating to macOS Mojave, you may have to reinstall Safari Technology Preview. This re
New WebKit Features in Safari 12.1
For an up-to-date guide on dark mode in WebKit, including changes for iOS 13 and macOS Catalina, read our Dark Mode Support in WebKit post. With users’ ability to choose between light and dark color schemes, websites can start to look out of place, or worse, become a blinding and painful experience. To help websites better integrate with the dark appearance setting in macOS Mojave, WebKit provides
Speedometer 2.0: A Benchmark for Modern Web App Responsiveness
Jan 15, 2018 by Addy Osmani, Mathias Bynens & Ryosuke Niwa @rniwa_dev In 2014, the WebKit team at Apple released Speedometer 1.0, a benchmark for web app responsiveness. It simulates user interactions in web applications, using TodoMVC to orchestrate adding, completing, and removing todo items. Speedometer repeats these actions using DOM APIs that were extensively used in real-world applications.
Adobe Announces Flash Distribution and Updates to End
Adobe has announced it will stop distributing and updating Flash Player at the end of 2020 and is encouraging web developers to migrate any existing Flash content to open standards. Apple is working with Adobe, industry partners, and developers to complete this transition. Apple users have been experiencing the web without Flash for some time. iPhone, iPad, and iPod touch never supported Flash. Fo
New Web Features in Safari 10.1
A new version of Safari shipped with the release of iOS 10.3 and macOS Sierra 10.12.4. Safari on iOS 10.3 and Safari 10.1 on macOS adds many important web features and improvements from WebKit that we are incredibly excited about. While this release makes the web platform more capable and powerful, it also makes web development easier, simplifying the ongoing maintenance of your code. We’re excite
WebDriver Support in Safari 10
As web content has become increasingly interactive, responsive, and complicated, ensuring a good user experience across multiple platforms and browsers is a huge challenge for web developers and QA organizations. Not only must web content be loaded, executed, and rendered correctly, but a user must be able to interact with the content as intended, no matter the browser, platform, hardware, screen
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