.NET和C#的版本历史

维基百科页面：https://en.wikipedia.org/wiki/.NET_Framework_version_history

Version number	CLR version	Release date	Support ended	Development tool	Included in		Replaces
					Windows	Windows Server
1.0	1.0	2002-02-13	2009-07-14[5]	Visual Studio .NET[6]	XP SP1[a]	N/A	N/A
1.1	1.1	2003-04-24	2015-06-14[5]	Visual Studio .NET 2003[6]	XP SP2, SP3[b]	2003	1.0[7]
2.0	2.0	2005-11-07	2011-07-12[5]	Visual Studio 2005[8]	N/A	2003, 2003 R2,[9] 2008 SP2, 2008 R2 SP1	N/A
3.0	2.0	2006-11-06	2011-07-12[5]	Expression Blend[10][c]	Vista	2008 SP2, 2008 R2 SP1	2.0
3.5	2.0	2007-11-19	2028-10-10[5]	Visual Studio 2008[11]	7, 8, 8.1, 10[d]	2008 R2 SP1	2.0, 3.0
4.0	4	2010-04-12	2016-01-12[5]	Visual Studio 2010[12]	N/A	N/A	N/A
4.5	4	2012-08-15	2016-01-12[5]	Visual Studio 2012[13]	8	2012	4.0
4.5.1	4	2013-10-17	2016-01-12[5]	Visual Studio 2013[14]	8.1	2012 R2	4.0, 4.5
4.5.2	4	2014-05-05	N/A[5]	N/A	N/A	N/A	4.0–4.5.1
4.6	4	2015-07-20	N/A[5]	Visual Studio 2015[15]	10 v1507	N/A	4.0–4.5.2
4.6.1	4	2015-11-30[16]	N/A[5]	Visual Studio 2015 Update 1	10 v1511	N/A	4.0–4.6
4.6.2	4	2016-08-02[17]	N/A[5]		10 v1607	2016	4.0–4.6.1
4.7	4	2017-04-05[18]	N/A[5]	Visual Studio 2017	10 v1703	N/A	4.0–4.6.2
4.7.1	4	2017-10-17[19]	N/A[5]	Visual Studio 2017	10 v1709	2016 v1709	4.0–4.7
4.7.2	4	2018-04-30[20]	N/A[5]	Visual Studio 2017	10 v1803	N/A	4.0–4.7.1
4.8	4	Developing[21]	N/A	Visual Studio 2019 (Planning)[22]	10 v1903 (Planning)	N/A	4.0–4.7.2

维基百科页面：https://en.wikipedia.org/wiki/C_Sharp_%28programming_language%29#Versions

Tutorials Teacher页面：http://www.tutorialsteacher.com/csharp/csharp-version-history

MSDN What's new：https://docs.microsoft.com/en-us/dotnet/csharp/whats-new/

参考：https://blog.csdn.net/meplusplus/article/details/76762203#comments

Version	.NET Framework	Visual Studio	Important Features
C# 1.0	.NET Framework 1.0/1.1	Visual Studio .NET 2002	Basic features
C# 2.0	.NET Framework 2.0	Visual Studio 2005	Generics Partial types Anonymous methods Iterators Nullable types Private setters (properties) Method group conversions (delegates) Covariance and Contra-variance Static classes
C# 3.0	.NET Framework 3.03.5	Visual Studio 2008	Implicitly typed local variables Object and collection initializers Auto-Implemented properties Anonymous types Extension methods Query expressions Lambda expressions Expression trees Partial Methods
C# 4.0	.NET Framework 4.0	Visual Studio 2010	Dynamic binding (late binding) Named and optional arguments Generic co- and contravariance Embedded interop types
C# 5.0	.NET Framework 4.5	Visual Studio 2012/2013	Async features Caller information
C# 6.0	.NET Framework 4.6	Visual Studio 2013/2015	Expression Bodied Methods Auto-property initializer nameof Expression Primary constructor Await in catch block Exception Filter String Interpolation
C# 7.0	.NET Core/.NET Framework 4.6.2	Visual Studio 2017	out variables Tuples Discards Pattern Matching Local functions Generalized async return types throw Expressions