While technical details are still scarce at this point, it sounds like Microsoft plans to replace its EdgeHTML rendering engine (which was a fork of its MSHTML "Trident" rendering engine) with Chromium's Blink. "Web developers will have a less-fragmented web platform to test their sites against, ensuring that there are fewer problems and increased satisfaction for users of their sites; and because we'll continue to provide the Microsoft Edge service-driven understanding of legacy IE-only sites, Corporate IT will have improved compatibility for both old and new web apps in the browser that comes with Windows".
In a blog post announcing the move, Joe Belfiore, Corporate Vice President of Windows, stated that "we intend to adopt the Chromium open source project in the development of Microsoft Edge on the desktop to create better web compatibility for our customers and less fragmentation of the web for all web developers". Microsoft plans to have a preview build of the new, Chromium-based Edge browser in "early 2019".
Perhaps the bigger news is that the new version of Edge will be coming to MacOS, though it's not expected to have a large uptake on this platform.More news: You Can Get A Whopper For 1 Cent, But Only At McDonald's
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Microsoft later confirmed that it is dropping the Internet Explorer brand for Edge when it launched Windows 10. It will help Edge survive but will also give Microsoft more influence in the further development of Chromium. However, we believe that everything that makes Edge unique, such as its focus on inking, providing an excellent reading and PDF experience, will still be there in the new Edge.
Codenamed 'Anaheim, ' this new browser for Windows 10 will replace Edge as the default browser on the platform.
Finally they plan on being active contributors to the Chromium Project, like they have been doing with the ARM version of Chrome. For developers, this also means that they will no longer have to optimize their websites for Microsoft Edge. "We look forward to working with Microsoft and the web standards community to advance the open web, support user choice and deliver great browsing experiences". Of course, the new Edge will still tie into your Microsoft account and sync your passwords, bookmarks, and other data across devices. But if you, like me, have hated the stability of Edge in the past, this could be a welcome change. The new browser will also come to Windows 7 and Windows 8, and will update independently of Windows updates. The fact that such a small number of people were using Edge compared to Chrome also meant that it wasn't always worth developers time to make sure their code was compatible with EdgeHTML.