https://wccftech.com/second-windows-10-20h1-build-19025-arrives-this-week/

Now that the November 2019 Update is out for the public and going well without any bugs being reported so far, all of the focus has shifted towards Windows 10 20H1. Another Windows 10 20H1 Insider Preview Build has been released today for those in the Fast ring.

As the Windows maker is done developing this next year's feature update too, it's only focusing on bug fixing and improvements. With today's Windows 10 2020 Preview Build 19025, Microsoft has addressed an issue that arrived with the last build preventing Windows Sandbox and WDAG from working. Here is the complete changelog.