New updates for Exchange Server 2010 and Exchange Server 2013 were released yesterday:
Exchange 2013 CU10:
Exchange 2013 UM language packs: http://www.microsoft.com/de-DE/download/details.aspx?id=49045
Exchange 2010 SP3 UR11: http://www.microsoft.com/de-DE/download/details.aspx?id=49043
A list of the changes can be found here:
Exchange 2013 CU10: https://support.microsoft.com/en-us/kb/3078678
Exchange 2010 SP3 UR11: https://support.microsoft.com/en-us/kb/3078674
NoteUR11 and CU10 are the minimum requirements for coexistence between Exchange 2010/2013 and Exchange 2016. CU10 contains additional RBAC definitions, therefore /PrepareAD is performed during installation. The AD schema will not be updated.