March 19 News, Microsoft in the official IE blog not only confirmed the Spartan browser preview version will be included in the next Win10 version, but also listed in this build 10041 version of IE browser edge rendering engine updates details. The updated engine function is part of the Spartan browser, and interested users can temporarily use IE browser experiment function to "preemptive" experience.
The updated rendering engine content is rich, mainly includes the following aspects:
• Promote ECMAScript 6 compatibility (74% increase in the Kangax ES6 compatibility test in the current WIN10 preview)
• Extended support for Dom L3 XPath
• Support Wai-aria Landmark Roles
• Support CSS Conditional Rules
• Support CSS Gradient midpoints (also known as color hints)
• Upgrade Feblend mode support
• Non-prefix support Full-screen API
Note that the "Experimental function" page features are testing, Microsoft highlighted the risk at the top of the page, and stated that "the user risks from the shoulder." So you have to try these features carefully.