Directly from the Microsoft Release Service blog, here is the list of latest updates for SQL Server 2012 SP2:
Cumulative Updates #8 for SQL Server 2012 SP1
Additionally, you can download:
SQL Server Data Tools preview (setp. 2015)
SQL Server Management Studio (sept. 2015)
and the new SQL Server 2016 CTP 2.4! This release adds new features, like the Smart Maintenance Plans, GUI improvements for indexes and TempDB, and so on..
Stay Tuned! 🙂