Cumulative Update 4 for Microsoft Dynamics NAV 2016 has been released on 5th Feb 2016

Cumulative Update 4 includes all application and platform hotfixes and regulatory features that have been released for Microsoft Dynamics NAV 2016.

 

Additional Information

For information about how to install the cumulative update, see How to Install a Microsoft Dynamics NAV 2016 Cumulative Update.

For a list of all cumulative updates for this version, see Released Cumulative Updates for Microsoft Dynamics NAV 2016.

 

You can check for complete details here : https://blogs.msdn.microsoft.com/nav/2016/02/05/cumulative-update-4-for-microsoft-dynamics-nav-2016-has-been-released/