Difference between various .NET Framework versions

This post summarizes the features introduced by various .NET features .NET 1.0 - .NET 4.5.

Each .NET version is released with some significant improvements:

 .NET 1.0 - 2002 Initial version (1st release)
 .NET 1.1 - 2003 Update on 1.0, added provider for Oracle
 .NET 2.0 - 2005 Generics were introduced.
 .NET 3.0 - 2006 WPF, WCF, WF were introduced
 .NET3.5 - 2007  LINQ and ADO .NET Entity Framework
 .NET 4.0 - 2010 Dynamic support for languages and TPL (dynamic keyword introduced along with Task Parallel library )
 .NET 4.5 - 2012 Asynchronous programming support (async and await keyword introduced).