https://wccftech.com/friday-brings-new-builds-windows-10-19h1-and-windows-10-20h1/

Microsoft is today releasing Windows 10 Insider preview builds to both the Fast Ring and Skip Ahead Insiders. As a reminder, Skip Ahead has already begun testing builds from the Windows 10 version that will be released in 2020. Fast Ring continues to test and improve the upcoming Windows 10 2019 scheduled for an April release.

Microsoft is almost at the finish line of this particular branch as is apparent from today’s changelog. Today’s build doesn’t bring anything new and lists of both the fixes and known issues are getting shorter. Here are the details: