Since the launch of Metro in Windows 8, Microsoft has iterated on its “Microsoft Design Language” a few times, with MDL2 being the most recent version to grace Windows 10. According to fresh rumor, it looks like a third iteration is en route for Windows 10, and it’s called “Project NEON”.

What NEON ultimately is likely to become is “Metro

Source: Hot Hardware – Microsoft Project NEON To Bring New Design Language To Windows 10 Apps In Redstone 3