CU 10 for Microsoft Dynamics NAV 2015 and CU 22 for Microsoft Dynamics NAV 2013 R2 have been released today, few hours ago. They include the most of application area and very useful platform hotfixes and regulatory features that have been for Microsoft Dynamics NAV 2015 and NAV 2013 R2.
You can download Cumulative Update 10 for Microsoft Dynamics NAV 2015 from here. This CU is named as Build 42222. Also, you can download Cumulative Update 22 for Microsoft Dynamics NAV 2013 R2 from here. This CU is named as Build 42221.