Version 1602 of System Center Configuration Manager current branch contains many changes intended to both prevent issues and improve features. A list of these changes is included in the Knowledge Base article below. This list doesn't include all of the changes, but instead captures the work that our product development team believes is most relevant to our broad customer base. Many of these changes are the result of direct customer feedback on product issues as well as ideas for product improvement. Update 1602 is available as an in-console update to be installed at the top-most site in a hierarchy. For more information regarding installation, see Checklist for updating from System Center Configuration Manager version 1511 to 1602.
For the complete and most current list of fixes included in build 1602 please see the following:
3168240 - Summary of changes in System Center Configuration Manager current branch, version 1602 (https://support.microsoft.com/en-us/kb/3168240)
J.C. Hornbeck, Solution Asset PM
Microsoft Enterprise Cloud Group