Administrators who opted in to the early wave deployment for System Center Configuration Manager current branch, version 1610, have an update available in the Updates and Servicing node of the Configuration Manager console. This update, made available on December 12, 2016, addresses important late-breaking issues that were discovered during the final release process for version 1610. This update does not apply to sites that update or install a copy of version 1610 that was downloaded before December 1, 2016.
For more information, including the issues fixed, please see the following:
J.C. Hornbeck, Solution Asset PM
Microsoft Enterprise Cloud Group