patterns & practices Developer Center August 2013 Summary The Unity Container (Unity) is a lightweight, extensible dependency injection container with optional support for instance and type interception. Active Releases Unity 3 – April 2013 Unity 2.1 – May 2011, Aug 2012 Retired Releases Unity 2.1 for Silverlight – May 2011, Aug 2012 Unity 2.0 – April 2010 Unity Application Block 2.0 for Silverlig