https://wccftech.com/windows-10-update-kb5006744-preview-is-out-for-v1809/ > The October 2021 monthly "C" preview updates are now available for version 1809 of Windows 10. The Windows development team wrote that these "preview" updates will be made available for Windows 10 version 21H1, version 20H2, and version 2004 very soon. Updates will also be delivered for Windows 11, which received its first set of cumulative updates last week. > Addresses an issue with PropertyGet in JScript9.dll.