https://www.cnet.com/news/microsoft-will-divorce-search-from-cortana-in-windows-10/

It's always been one of those pairings that seemed to make more sense to Microsoft's engineers and marketers than to many users of the operating system. One big annoyance has been that when typing in the search box, if you delete characters beyond the beginning of the query you're entering -- that's what happens if you just keep hitting backspace without looking -- Cortana automatically launches.

Other good news comes in that build as well: Microsoft has revamped the font management interface to make it more useful for people who frequently install fonts and who use typefaces with a lot of variants.