C# Versions

C# Versions
C# Version	Release Date	Tool	Feature
1.0	2002	Visual Studio .Net	·         First release of .net
2.0	2005	Visual Studio 2005	·         Partial classes ·         Support for generics ·         Iterators ·         Nullable syntax ·         Anonymous methods ·         Static class ·         Volatile keyword
3.0	2008	Visual Studio 2008	·         Implicitly Typed Local Variables ·         Extension Methods ·         Lambda Expressions ·         Type Inference ·         Object and Collection Initializers ·         Anonymous Types ·         Automatically Implemented Properties ·         Expression Trees
4.0	2010	Visual Studio 2010	·         Support for Covariance and Contravariance ·         Optional parameters and named arguments ·         Support for Dynamic and DLR ·         Enhanced support for COM interop
5.0	2012	Visual Studio 2012	·         Async / Await Feature ·         Support for caller information
6.0	2015	Visual studio 2015	using Static. Auto property initializer. Dictionary Initializer. nameof Expression. New way for Exception filters. await in catch and finally block. Null – Conditional Operator. Expression – Bodied Methods Easily format strings – String interpolation Reference: http://www.c-sharpcorner.com/UploadFile/8ef97c/full-C-Sharp-6-0-in-single-article-on-visual-studio-2015-preview/
7.0	2016	Visual studio 2015 preview 4	·         Local functions – code available currently in github ·         Tuple Types and literals ·         Record Types ·         Pattern matching ·         Non Nullable reference types ·         Immutable types Reference: http://www.c-sharpcorner.com/article/all-about-c-sharp-7-features/