VS Premium 2013 & VS Ultimate 2013 editions will be removed. VS Enterprise 2015 edition is new. A license related to the use GNU Lesser General Public Licensed libraries has been included with Visual Studio Enterprise 2015, Visual Studio Professional 2015, Visual Studio Test Professional 2015, and Visual Studio Team Foundation Server 2015 with SQL Server 2014 technology. You can find out more about the new editions and product line up here: https://www.visualstudio.com/en-us/products/vs-2015-product-editions.aspx