Cumulative Update 9 for Microsoft Dynamics NAV 2015 has been released today. You must convert the database if you are upgrading to this cumulative update from a cumulative update earlier than Cumulative Update 9. It includes the most of application area (Cash Management, Finance, Inventory, Jobs, Manufacturing, Sales, Service and Warehouse) and very useful platform hotfixes and regulatory features that have been for Microsoft Dynamics NAV 2015.
It also has a lot application hotfixes for following localizations: Australia, Belgium, Czech Republic, Germany, Spanish, France, Italy, NA, Netherlands and Russia.
You can download Cumulative Update 9 for Microsoft Dynamics NAV 2015 from here. This CU is named as Build 41779.