A quick internet search finds news articles from March 2018, for example:
> the Windows and Azure platforms are being combined, operating under Jason Zander
https://arstechnica.com/gadgets/2018/03/windows-leader-terry...
> the Windows and Azure platforms are being combined, operating under Jason Zander
https://arstechnica.com/gadgets/2018/03/windows-leader-terry...
Do you have a reference for this? This seems like pretty big news.