https://www.bleepingcomputer.com/news/microsoft/windows-10-2004-is-almost-here-what-developers-need-to-know/

The Windows Developer Team today detailed the new Windows 10 SDK additions developers should be aware of with the impending release of Windows 10, version 2004 (20H1), now known as Windows 10 May 2020 Update.

"The Windows 10 SDK for Windows 10, version 2004 is now available with a go-live license," as Microsoft said in a blog post published today.