The August 2013 CU for Microsoft Project and Project Server 2010 and 2013 were released today.
Please thoroughly test the CUs on a test environment before rolling out into production! This link is an excellent place to start with functionality validation test plans: http://technet.microsoft.com/en-us/library/gg502592(v=office.14).aspx.
Download them into Word docs and store for repeatable test procedures you can modify to suit your business needs.