Private Browsing 2.0
When we invented Private Browsing back in 2005, our aim was to provide users with an easy way to keep their browsing private from anyone who shared the same device. We created a mode where users do not leave any local, persistent traces of their browsing. Eventually all other browsers shipped the same feature. At times, this is called “ephemeral browsing.” We baked in cross-site tracking preventio
Improving Web Accessibility with Web Platform Tests
Last year, a colleague introduced me to the Interop Accessibility project. I immediately resonated with its charge to “improve the state of accessibility across the entire web, regardless of which platform, browser, or assistive technology.” The project’s mission was compelling but it also represented, from my perspective, a transformative example of shifting accessibility to the level of web plat
News from WWDC24: WebKit in Safari 18 beta
The last year has been a great one for WebKit. After unveiling Safari 17 beta at WWDC23, we’ve shipped six releases of Safari 17.x with a total of 200 new web technologies. And we’ve been hard at work on multiple architectural improvement projects that strengthen WebKit for the long-term. Now, we are pleased to announce WebKit for Safari 18 beta. It adds another 48 web platform features, as well a
WebKit Features in Safari 17.5
Happy May! It’s time for another release of Safari — our third significant update of 2024. With just a month until WWDC24 and the unveiling of what’s coming later this year, we are happy to get these 7 features and 22 bug fixes into the hands of your users today. CSS There are several exciting new CSS features in Safari 17.5, including text-wrap: balance, the light-dark() color function, and @star
WebKit Features in Safari 17.4
Just like Safari 15.4 and Safari 16.4, this March’s release of Safari 17.4 is a significant one for web developers. We’re proud to announce another 46 features and 146 bug fixes. You can experience Safari 17.4 on iOS 17.4, iPadOS 17.4, macOS Sonoma 14.4, macOS Ventura, macOS Monterey, and in visionOS 1.1. Architectural improvements It’s always exciting to ship new features that you can use while b
An HTML Switch Control
We’re very excited to introduce a new HTML form control as part of Safari 17.4: a switch. Two switches as seen on iOS, with the second switch using a custom CSS accent-color. The HTML for this example looks roughly like this: <style> .special { accent-color: papayawhip } </style> <input type=checkbox switch checked> <input type=checkbox switch checked class=special> Switches are a popular control
CSS Nesting and the Cascade
You might have noticed that Safari Technology Preview 179 includes an update to CSS Nesting that adds support for the new “relaxed parsing behavior”. What does this mean? It means you no longer have to worry about whether or not each nested selector starts with a symbol. It means that now nested CSS like this will work just fine: article { h1 { font-size: 1.8rem; } p { font-size: 1.2rem; } } (If y
WebKit Features in Safari 17.0
Sep 18, 2023 by Jen Simmons and the Safari / WebKit Team Today’s the day for Safari 17.0. It’s now available for iOS 17 and iPadOS 17. [Update September 26th] And now, Safari 17.0 is available for macOS Ventura, and macOS Monterey, and macOS Sonoma. Safari 17.0 is also available in the vision OS Simulator, where you can test your website by downloading the latest beta of Xcode 15, which supports t
Tracking Prevention in WebKit
ContentsTerminologyThe Default Cookie PolicyPrivate Browsing ModePartitioned Third-Party StoragePartitioned Service WorkersPartitioned Third-Party HTTP CacheAnti FingerprintingIntelligent Tracking Prevention (ITP) WebKit has implemented tracking prevention technologies, spanning from 2003 with Safari 1.0 until today. Most of them are on by default. This document describes shipping behavior includi
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
WebKit Features in Safari 16.4
Mar 27, 2023 by Patrick Angle, Marcos Caceres, Razvan Caliman, Jon Davis, Brady Eidson, Timothy Hatcher, Ryosuke Niwa, and Jen Simmons ContentsWeb Push on iOS and iPadOSImprovements for Web AppsWeb ComponentsCSSHTMLJavaScript and WebAssemblyWeb APIImages, Video, and AudioWKWebViewDeveloper ToolingWeb InspectorSafari Web ExtensionsSafari Content BlockersNew Restrictions in Lockdown ModeMore Improve
Try out CSS Nesting today
Back in December, we wrote an article detailing three different options for CSS Nesting. In it, we explained the differences between Option 3, Option 4 and Option 5, demonstrating how each would work through a series of examples. Then we asked a simple question: “Which option is best for the future of CSS?” Web developers responded to the poll with great clarity. Option 3 won in a landslide. And s
Help choose the syntax for CSS Nesting
The CSS Working Group is continuing a debate over the best way to define nesting in CSS. And if you are someone who writes CSS, we’d like your help. Nesting is a super-popular feature of tools like Sass. It can save web developers time otherwise spent writing the same selectors over and over. And it can make code cleaner and easier to understand. Unnested CSS .class1 { color: green; } .class1 .cla
WebKit Features in Safari 16.1
ContentsWeb Push for macOS VenturaAnimated AVIFPasskeysNew viewport sizes on iPadOSHover on iPadOS with Apple PencilScroll to Text FragmentScreen capture improvementsAnd MoreFixes and PolishFeedback Today, Safari 16 arrives for macOS Ventura and iPadOS 16. Numbered Safari 16.1, this release is also available for iOS 16, macOS Monterey, and macOS Big Sur. To update to Safari 16.1 on macOS Monterey
Using :has() as a CSS Parent Selector and much more
ContentsThe basics of how to use :has() as a parent selectorA practical example using :has() with CSS GridUsing :has() with the child combinatorUsing :has() with sibling combinatorsStyling form states without JSDark mode toggle with no JSAnd moreThe :has() revolution It’s been a long-standing dream of front-end developers to have a way to apply CSS to an element based on what’s happening inside th
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
New WebKit Features in Safari 15.4
ContentsHTMLCSSWeb APIsJavaScriptWeb AppsMediaPrivacySecurityWKWebViewSafari Web ExtensionsWeb InspectorFeedbackAnd More With over 70 additions to WebKit, Safari 15.4 is packed with new web technologies, updates, and fixes. We’ve assembled a huge release as part of our commitment to web developers, and the people who use the web. This is the first big WebKit release of 2022, and we’re just getting
New WebKit Features in Safari 15.2
The internet has always been about communication and collaboration. It started with asynchronous messages made of text. As it matured, the internet became real-time. Then the web came along, adding images, and later, video. Websites provided a means to publish, to broadcast, to run stores, to gather communities and create worlds. Now, the web is maturing to the point where web apps make rich colla
Release Notes for Safari Technology Preview 135
Safari Technology Preview Release 135 is now available for download for macOS Big Sur and macOS Monterey. If you already have Safari Technology Preview installed, you can update in the Software Update pane of System Preferences on macOS. This release covers WebKit revisions 284370-285101. Note: Tab Groups do not sync in this release. Web Inspector and Web Driver Fixed “testForLinkLabels” Accessibi
Introducing Private Click Measurement, PCM
This blog post covers a new feature called Private Click Measurement, or PCM, for measuring ad clicks across websites and from iOS apps to websites. It is part of iOS and iPadOS 14.5 betas. Motivation and Goals Classic ad attribution on the web is done with cookies carrying user or device IDs. Such attribution constitutes cross-site tracking which WebKit is committed to preventing. Websites should
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