Windows 10 build 18887

Windows 10 build 18887 (rsmaster) is an unleaked build of Windows 10 May 2020 Update. It was showcased in the session "What’s new with WSL" at the Microsoft Build 2019 conference.

The full buildtag was also mentioned in the file  in the Windows Driver Kit (WDK) of several builds from build 18908 to build 18922.

\\winbuilds\release\RSMASTER\18887.1000.190423-1449