| C# 1.0 |
.NET Framework 1.0/1.1 |
Visual Studio .NET 2002 |
Basic features |
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| C# 2.0 |
.NET Framework 2.0 |
Visual Studio 2005 |
Generics |
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Partial types |
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Anonymous methods |
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Iterators |
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Nullable types |
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Private setters (properties) |
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Method group conversions (delegates) |
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Covariance and Contra-variance |
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Static classes |
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| C# 3.0 |
.NET Framework 3.0\3.5 |
Visual Studio 2008 |
Implicitly typed local variables |
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Object and collection initializers |
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Auto-Implemented properties |
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Anonymous types |
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Extension methods |
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Query expressions |
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Lambda expressions |
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Expression trees |
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Partial Methods |
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| C# 4.0 |
.NET Framework 4.0 |
Visual Studio 2010 |
Dynamic binding (late binding) |
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Named and optional arguments |
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Generic co- and contravariance |
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Embedded interop types |
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| C# 5.0 |
.NET Framework 4.5 |
Visual Studio 2012/2013 |
Async features |
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Caller information |
| C# 6.0 |
.NET Framework 4.6 |
Visual Studio 2013/2015 |
Expression Bodied Methods |
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Auto-property initializer |
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nameof Expression |
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Primary constructor |
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Await in catch block |
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Exception Filter |
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String Interpolation |
| C# 7.0 |
.NET Core 2.0 |
Visual Studio 2017 |
out variables |
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Tuples |
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Discards |
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Pattern Matching |
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Local functions |
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Generalized async return types |
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Expanded expression body members |
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| C# 8.0 |
.NET Core 3.0 |
Visual Studio 2019 |
Readonly members |
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Default interface methods |
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Using declarations |
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Static local functions |
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Disposable ref structs |
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Nullable reference types |
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Exception Filter |
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String Interpolation |
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| C# 9.0 |
.NET 5.0 |
Visual Studio 2019 |
Records |
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Init-only properties |
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Top-level statements |
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Init accessors and readonly fields |
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With-expressions |
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Value-based equality |
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Inheritance changes |
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| C# 10.0 |
.NET 6.0 |
Visual Studio 2022 |
Record structs |
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Global using directives |
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File-scoped namespace declaration |
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Extended Proptery Patterns |
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Null Parameter Checking |
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Constant interpolated strings |