Update 1702 for System Center Configuration Manager current branch (ConfigMgr 1702) contains many changes that are intended to prevent issues and improve features. A list of these changes and fixes is available in the KB article below. Keep in mind that this list is not comprehensive, however it does include the items that the product development team believes are the most relevant to most customers. Many of these changes are in response to customer feedback about product issues and ideas for product improvement. For information about what has been fixed and/or updated, please see the following article:
4022075 – Summary of changes in System Center Configuration Manager current branch, version 1702 (https://support.microsoft.com/help/4022075)
ConfigMgr 1702 is available both as an in-console update to be installed at the top-most site in a hierarchy and as baseline media for new site installations. For more information about installing ConfigMgr 1702, see Checklist for installing update 1702 for System Center Configuration Manager.