Release Notes for Safari Technology Preview 246

Safari Technology Preview Release 246 is now available for download for macOS Golden Gate and macOS Tahoe. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

The golden rule of Customizable Select

Customizable select is coming to Safari 27. With this technology, developers can fully control the appearance of <select> elements — custom arrows, option layouts, color swatches, icons, full visual styling — without the need for JavaScript libraries ... more

Discover MapKit JS 6: Rebuilt for Today’s Web Developer

MapKit JS allows you to bring the power and simplicity of Apple Maps to your website or web app. Whether you’re building a store locator, a travel planner, or a companion web experience for a native app, MapKit JS offers you a robust, privacy-first framework, ... more

Release Notes for Safari Technology Preview 245

Safari Technology Preview Release 245 is now available for download for macOS Tahoe and macOS Sequoia. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

Web Technology Sessions at WWDC26

Welcome to WWDC26. This year, the WebKit team is here with six sessions covering new CSS layouts, customizable form controls, 3D models, immersive spatial experiences, and browser extensions. Regardless of what you’re building for the web, we hope there’s ... more

News from WWDC26: WebKit in Safari 27 beta

Safari 27 beta is here. Don’t miss our WWDC26 sessions on web technology, including What’s new in WebKit for Safari 27, to go deeper on our work in this release. Now, let’s dig into this beta, packed with 58 new features, 525 fixes and 4 deprecations ... more

Release Notes for Safari Technology Preview 244

Safari Technology Preview Release 244 is now available for download for macOS Tahoe and macOS Sequoia. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

WebKit Features for Safari 26.5

Safari 26.5 is here, delivering the :open pseudo-class, the element-scoped keyword for random() , color-interpolation for SVG gradients, the ToggleEvent.source property for popovers, and the Origin API. Alongside new features, this release continues ... more

Release Notes for Safari Technology Preview 243

Safari Technology Preview Release 243 is now available for download for macOS Tahoe and macOS Sequoia. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

Release Notes for Safari Technology Preview 207

Safari Technology Preview Release 207 is now available for download for macOS Sequoia and macOS Sonoma. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

WebKit Features in Safari 18.1

Today, Safari 18.1 is available for iOS 18.1, iPadOS 18.1, macOS Sequoia 15.1 and visionOS 2.1, as well as macOS Sonoma and macOS Ventura. Two features are newly available with Apple Intelligence, on devices and in languages where available. Summaries ... more

Release Notes for Safari Technology Preview 206

Safari Technology Preview Release 206 is now available for download for macOS Sequoia beta and macOS Sonoma. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

Release Notes for Safari Technology Preview 205

Safari Technology Preview Release 205 is now available for download for macOS Sequoia beta and macOS Sonoma. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

Release Notes for Safari Technology Preview 204

Safari Technology Preview Release 204 is now available for download for macOS Sequoia beta and macOS Sonoma. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

WebKit Features in Safari 18.0

Safari 18.0 is here. Along with iOS 18, iPadOS 18, macOS Sequoia and visionOS 2, today is the day another 53 web platform features, as well as 25 deprecations and 209 resolved issues land in WebKit, the rendering engine driving Safari. New in Safari ... more

Release Notes for Safari Technology Preview 203

Safari Technology Preview Release 203 is now available for download for macOS Sequoia beta and macOS Sonoma. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

Release Notes for Safari Technology Preview 202

Safari Technology Preview Release 202 is now available for download for macOS Sequoia beta and macOS Sonoma. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

Release Notes for Safari Technology Preview 198

Safari Technology Preview Release 198 is now available for download for macOS Sequoia beta and macOS Sonoma. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

Release Notes for Safari Technology Preview 197

Safari Technology Preview Release 197 is now available for download for macOS Sequoia beta and macOS Sonoma. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

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 ... more

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 ... more

Safari Technology Preview 196 Release Notes

Safari Technology Preview Release 196 is now available for download for macOS Sonoma and macOS Ventura. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

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 ... more

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 ... more

Release Notes for Safari Technology Preview 194

Safari Technology Preview Release 194 is now available for download for macOS Sonoma and macOS Ventura. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

Release Notes for Safari Technology Preview 194

Safari Technology Preview Release 194 is now available for download for macOS Sonoma and macOS Ventura. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

JetStream 2.2

JetStream 2 is a suite of JavaScript and WebAssembly performance benchmarks that runs 64 subtests. We recently fixed several minor issues we discovered that impact running the benchmark. One issue happened when running JetStream on fast hardware where ... more

JetStream 2.2

JetStream 2 is a suite of JavaScript and WebAssembly performance benchmarks that runs 64 subtests. We recently fixed several minor issues we discovered that impact running the benchmark. One issue happened when running JetStream on fast hardware where ... more

Release Notes for Safari Technology Preview 193

Safari Technology Preview Release 193 is now available for download for macOS Sonoma and macOS Ventura. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more

Release Notes for Safari Technology Preview 193

Safari Technology Preview Release 193 is now available for download for macOS Sonoma and macOS Ventura. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update. This release includes ... more