[pacofvf]

But this is another Browser:

> This new rendering engine was designed with Project Spartan in mind, but will also be available in Internet Explorer on Windows 10 for enterprises and other customers who require legacy extensibility support.

[mishoo]

This is a good point. While I have my doubts that it will be an entirely new browser, by simply renaming it they might be able to offer a version for non-Windows OS-es without making earlier statements seem ridiculous. And they should.