KB4580386 highlights
https://www.bleepingcomputer.com/news/microsoft/windows-10-1909-kb4580386-fixes-xbox-display-usb-printer-issues/
Microsoft has released the Windows 10 1909 KB4580386 monthly "C" release preview cumulative update with quality improvements and fixes for Microsoft Xbox Game Pass, USB printer, and screen flashing issues.
Once KB4580386 is installed on a device running Windows 10, version 1909, the OS build will be updated to 18363.18363.1171.