https://www.theregister.co.uk/2018/11/20/microsoft_roundup_windows_10/

Roundup This week Microsoft saw the light in Windows 10 and returned to the realm of chatbots, among plenty of other things notwithstanding the flashing of a surprise ad in an Insider build.

As the Windows 10 October 2018 Update finally made an appearance last week, Microsoft was keen to keep the whole "business as usual" façade going with its desktop operating system unit by flinging out a fresh Insider build of 2019's Windows 10.