Posts by Microsoft Edge Team

Mobile, PC, Tablet

Accessibility improvements in EdgeHTML 15

By Microsoft Edge Team

In last year’s Windows 10 Anniversary Update, we introduced a new architecture for web accessibility, enabling a more accessible web with Microsoft With this dramatically improved foundation, we’ve been hard at work improving the experience even more in EdgeHTML 15… Read more

Circular tree map showing "DOM Tree" at the center, surrounded by "JS Binding," "Editing," "Spellcheck," "Events," and "Attributes."
Mobile, PC, Tablet

Modernizing the DOM tree in Microsoft Edge

By Microsoft Edge Team

The DOM is the foundation of the web platform programming model, and its design and performance impacts the rest of the browser However, its history and evolution is far from a simple Over the past three years, we've embarked on… Read more

PC

Disabling VBScript execution in Internet Explorer 11

By Microsoft Edge Team

VBScript is deprecated in Internet Explorer 11, and is not executed for webpages displayed in IE11 However, for backwards compatibility, VBScript execution is currently still permitted for websites rendered in legacy document This was introduced as a temporary Document modes… Read more

Mobile, PC, Tablet

Notes from the Node.js VM Summit

By Microsoft Edge Team

The Chakra team was delighted to host the third VM Summit recently here at These meetings bring together JavaScript VM vendors, Node collaborators, and CTC members including participants from Google, IBM, Intel, Microsoft, nearForm, and This group is currently focused… Read more

Mobile, PC, Tablet

Introducing Brotli compression in Microsoft Edge

By Microsoft Edge Team

Beginning with EdgeHTML , Microsoft Edge supports Brotli as an HTTP content-encoding This change will be released to stable builds with the Windows 10 Creator’s Update early next year, but you can preview it now via the Windows Insider With… Read more

Screen capture showing an Edge browser window with a dialog from the address bar which reads "Adobe Flash content was blocked. Do you want to allow Adobe Flash to run on this site?" The options are Close, Allow Once, and Allow Always.
PC, Tablet

Extending User Control of Flash with Click-to-Run

By Crispin Cowan and Microsoft Edge Team

Adobe Flash has been an integral part of the web for decades, enabling rich content and animations in browsers since before HTML5 was In modern browsers, web standards pioneered by Microsoft, Adobe, Google, Apple, Mozilla, and many others are now… Read more

Screen capture showing Microsoft Edge when browsing to a site protected with a SHA-1 certificate
Mobile, PC, Tablet

SHA-1 deprecation countdown

By Microsoft Edge Team

The SHA-1 hash algorithm is no longer Weaknesses in SHA-1 could allow an attacker to spoof content, execute phishing attacks, or perform man-in-the-middle attacks when browsing the Microsoft, in collaboration with other members of the industry, is working to phase… Read more