Link to "Microsoft Project Server 2007, 2010 and 2013 April 2013 CU Announcement"
Microsoft Project Server 2007, 2010 and 2013 April 2013 CU Announcement - https://blogs.technet.com/b/projectsupport/archive/2013/04/11/microsoft-project-server-2007-2010-and-2013-april-2013-cu-announcement.aspx