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C# 13.0

Character literal escape sequence

Field keyword (preview)

Implicit index access

Method group natural type improvements

New lock object

Allow params to use collections

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C# 12.0

Alias any type

Collection expressions

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Inline arrays

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ref readonly parameters

C# 11.0

File local types

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C# 10.0

Caller argument expressions

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Extended property patterns

File scoped namespaces

global using directives

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Lambda improvements

Parameterless struct constructors

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C# 9.0

Covariant returns

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C# 8.0

Async streams

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Nullable reference types

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C# 7.3

Auto-implemented property field attributes

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C# 7.2

Conditional ref expressions

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C# 7.1

Async main

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C# 7.0

Binary literals

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C# 6.0

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C# 5.0

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C# 4.0

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C# 3.0

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C# 2.0

Anonymous methods

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On this page

Switch tuple patterns C# 8.0

Allow switch patterns to combine multiple variables into a tuple for combined matching.

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More information

Pattern Matching in C#8.0 @ MSDN Magazine

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