Subresource Integrity is noe enabled by default in Edge included in Windows 10 Insider Preview Build 17063.
508 votesNoah Collins commented
Opening the IE core would be a major undertaking, but it's hard to overestimate the amount of sustained goodwill this move would generate, not to mention the knock-on effects for IE's long-term viability.
See http://blogs.windows.com/msedgedev/2015/07/14/bringing-componentization-to-the-web-an-overview-of-web-components/ (part 1) and https://blogs.windows.com/msedgedev/2015/07/15/microsoft-edge-and-web-components/ (part 2) for more information on our Web Components thoughts, plans, and roadmap.
Service Worker was turned on by default in Edge included in Windows 10 Insider Preview Build 17063.