This update includes new stability improvements for the update components in Windows 10, Version 1511.
The update components include files and resources that work in conjunction with the servicing stack engine in Windows 10. These components ensure quality updates are installed seamlessly and improve the reliability and security of Windows 10.
Only certain builds of Windows 10, Version 1511 require this update. Devices running those builds will automatically get the update downloaded and installed through Windows Update.
Article ID: 4021702 - Last Review: May 16, 2017 - Revision: 13