Microsoft rolled out 19H2 Windows 10 Build 18362.10022 to Insiders in the Slow ring. This update contains the fixes and improvements existing in KB4515384.
They have also declared yesterday that they will start making pre-release Windows 10 feature updates available to IT administrators via WSUS. Furthermore, the users of Windows Insider Program for Business are able to request Microsoft Support for 1909 (19H2) builds in Slow and Release Preview rings.
Source – Windows experience blog.