Microsoft has released Windows 10 Insider Preview Build 18865 for Insiders in the Skip Ahead ring. This 20H1 build focuses heavily on fixing bugs in Narrator. Other than that, no new features were added. If you are a Windows Insider, you can update to the latest build by checking for new updates. The latest build is the 20th edition of Windows 10 for the first time since July 2013. It is available now on the Windows Store for $99 ($99) and is expected to be released in the next week.
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-releases-windows-10-build-18865-20h1-with-narrator-fixes/