https://www.bleepingcomputer.com/news/microsoft/windows-10-1909-is-getting-ready-for-release-named-november-2019-update/

Microsoft has officially announced that Windows 10 version 1909 (19H2) is being called the November 2019 Update. This latest feature update is expected to be released at the end of October or in the beginning of November.

Rather than a full "feature update" as we have come to know them, Windows 10 1909 is more like a service pack that brings along a few new minor features, but mostly quality improvements and bug fixes. For those interested, you can read our article on the new features coming to Windows 10 1909.