Visual Studio Test Professional 2015 is ideal for testers, business analysts, product managers, and other stakeholders who need team collaboration tools but not a full development IDE. These team members can use integrated testing and product management tools that keep stakeholders involved resulting in higher quality across the development process. Visual Studio Test Professional 2015 supports lightweight requirements definition and continuous customer feedback, and also provides traceability across these processes.

VS Release Notes
TFS Release Notes
VS Known Issues
System Requirements
Compatibility