Versions

Version	Visual Studio	.NET Library	Released
C# 11.0	Visual Studio 2022	.NET 7.0	preview
C# 10.0	Visual Studio 2022	.NET 6.0	2021 November
C# 9.0	Visual Studio 2019	.NET 5.0	2020 November
C# 8.0	Visual Studio 2017	.NET Framework 4.8	2019 April
C# 7.0	Visual Studio 2015	.NET Framework 4.7	2017 April
C# 6.0	Visual Studio 2013	.NET Framework 4.6	2015 July
C# 5.0	Visual Studio 2012	.NET Framework 4.5	2012 August
C# 4.0	Visual Studio 2010	.NET Framework 4.0	2010 April
C# 3.0	Visual Studio 2008	.NET Framework 3.5	2007 November
C# 2.0	Visual Studio 2005	.NET Framework 2.0	2005 September
C# 1.0	Visual Studio 2003 / 2002	.NET Framework 1.1 .NET Framework 1.0	2003 August / 2002 January