Speedometer 3.0: The Best Way Yet to Measure Browser Performance

As announced on browserbench.org today, in collaboration with other browser engine developers, Apple’s WebKit team is excited to introduce Speedometer 3.0, a major update that better reflects the Web of today. It’s built together by the developers of ... more

Release Notes for Safari Technology Preview 190

Safari Technology Preview Release 190 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 190

Safari Technology Preview Release 190 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 17.4

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 ... more

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, ... more

Release Notes for Safari Technology Preview 189

Safari Technology Preview Release 189 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 189

Safari Technology Preview Release 189 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

How to use Media Source Extensions with AirPlay

Media Source Extensions (MSE) is a popular way to provide streaming video on the web. It gives JavaScript control of the way bytes are sent to the browser for playback. At the 2023 Worldwide Developer conference, Apple announced a new Managed Media Source ... more

How to use Media Source Extensions with AirPlay

Media Source Extensions (MSE) is a popular way to provide streaming video on the web. It gives JavaScript control of the way bytes are sent to the browser for playback. At the 2023 Worldwide Developer conference, Apple announced a new Managed Media Source ... more

Release Notes for Safari Technology Preview 188

Safari Technology Preview Release 188 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 188

Safari Technology Preview Release 188 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

The web just gets better with Interop 2024

The web is amazing. It makes collaborating, learning, and connecting easy for billions of people, because it’s intentionally designed to run on radically different devices. It’s your job as a web developer to ensure your project works in every browser ... more

The web just gets better with Interop 2024

The web is amazing. It makes collaborating, learning, and connecting easy for billions of people, because it’s intentionally designed to run on radically different devices. It’s your job as a web developer to ensure your project works in every browser ... more

Release Notes for Safari Technology Preview 187

Safari Technology Preview Release 187 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 187

Safari Technology Preview Release 187 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 186

Safari Technology Preview Release 186 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 186

Safari Technology Preview Release 186 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

WebGPU now available for testing in Safari Technology Preview

WebGPU is a new standards-compliant API that enables high-performance 3D graphics and general-purpose computations on the Web. WebGPU programs are written in JavaScript but expose GPU functionality, allowing GPU computing to be used in Web content for ... more

WebGPU now available for testing in Safari Technology Preview

WebGPU is a new standards-compliant API that enables high-performance 3D graphics and general-purpose computations on the Web. WebGPU programs are written in JavaScript but expose GPU functionality, allowing GPU computing to be used in Web content for ... more

WebKit Features in Safari 17.2

Web technology is constantly moving forward, with both big new features and small subtle adjustments. Now days, web developers expect web browsers to update multiple times a year, instead of the once or twice a year typical of the late 2000s — or the ... more

WebKit Features in Safari 17.2

Web technology is constantly moving forward, with both big new features and small subtle adjustments. Nowadays, web developers expect web browsers to update multiple times a year, instead of the once or twice a year typical of the late 2000s — or the ... more

Release Notes for Safari Technology Preview 184

Safari Technology Preview Release 184 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 184

Safari Technology Preview Release 184 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 183

Safari Technology Preview Release 183 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 182

Safari Technology Preview Release 182 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 17.1

Today we are pleased to share what new in WebKit for Safari 17.1. It’s now available for iOS 17.1, iPadOS 17.1, macOS Sonoma 14.1, macOS Ventura and macOS Monterey. Managed Media Source Safari 17.1 now brings the new Managed Media Source API to iPhone. ... more

Release Notes for Safari Technology Preview 181

Release Notes for Safari Technology Preview 181 Safari Technology Preview Release 181 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 ... more

Release Notes for Safari Technology Preview 180

Safari Technology Preview Release 180 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 180

Safari Technology Preview Release 180 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

Get ready for Interop 2024

The primary strength of the web is that it works everywhere. It doesn’t matter which type of device, which operating system, or which browser a user has… the web is the web. And it just works — or at least it should. To make this vision a reality, web ... more