Spartan is based on an improved version IE11's trident engine. The browser window is a WinRuntime app.
It's still unclear if it will support WebGL 2, WebRTC, CSS 3D transformations.
It's still unclear if it will support WebGL 2, WebRTC, CSS 3D transformations.
Google, Mozilla and Opera - "WebRTC":
http://caniuse.com/#search=WebRTC and http://en.wikipedia.org/wiki/WebRTC
Microsoft proposed another draft "CU-RTC-WEB" based on Skype details: http://en.wikipedia.org/wiki/CU-RTC-WEB and later "ORTC": http://www.infoq.com/news/2014/08/ortc-webrtc
Hangout vs. Skype vs. iOS messages is the deal breaker why WebRTC isn't suppored in Safari and IE. That's sad as it already works in ~1.7B devices.