[fivesixzero]

This is related to the underlying console/terminal system in Windows 10, which should be shell agnostic. The same infrastructure is used by PowerShell, the Windows command prompt, and WSL for instance - all are just different shells that use their own implementations of the console subsystem.

[mtw]

Hmm I was not asking what this is, I was asking what they do specifically now? where's the official announcement?

[zadjii]

The official announcement is coming later today in Rajesh Jha's keynote. It seems the media embargo ended before the keynote happened ¯\_(ツ)_/¯