Yes. Edge will be shipping with Windows 10. But don't worry, this is not the U2 guitarist. There will be no free U2 album.
A fork of Node.js using Chakra as the JS engine so that it can run on Windows on Arm: github.com/Microsoft/node
In IE11? CTRL+SHIFT+U. Adds a Paint time, Frame rate, Memory and CPU trace directly in the web page your viewing.