This document summarizes the new features in Visual Studio Team Foundation Server 2015, which was released in August 2015. Some key updates include improvements to agile planning tools like the sprint backlog, task board, product backlog, and Kanban boards. New features were also added for work item tracking, source control, testing, and builds. The document provides an overview of the history of TFS releases and describes many of the new capabilities added in the 2015 version.