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C# 9.0

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Last updated May 28, 2025
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0 issues of 18 selected

  • Add support for module initializers

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 992
    #992 In dotnet/csharpstandard;
    · RexJaeschke opened on Nov 14, 2023

  • Add support for Extension GetEnumerator in foreach loops

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 989
    #989 In dotnet/csharpstandard;
    · RexJaeschke opened on Nov 12, 2023

  • Null conditional spec seems to no longer disallow <code>obj?.MethodGroup</code>

    type: future bug 🌈Issues identified that become issues in a future spec version
    Status: Open.
    #654 In dotnet/csharpstandard;
    · jnm2 opened on Oct 27, 2022

  • §8.8: Is IntPtr as an unmanaged type an extension?

    Status: Open.
    #890 In dotnet/csharpstandard;
    · KalleOlaviNiemitalo opened on Aug 15, 2023

  • Add support for init accessors

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 978
    #978 In dotnet/csharpstandard;
    · RexJaeschke opened on Oct 31, 2023

  • Add support for top level statements

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 980
    #980 In dotnet/csharpstandard;
    · RexJaeschke opened on Nov 1, 2023

  • Add support for record classes

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 983
    #983 In dotnet/csharpstandard;
    · RexJaeschke opened on Nov 2, 2023

  • Add support for function pointers

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 984
    #984 In dotnet/csharpstandard;
    · RexJaeschke opened on Nov 4, 2023

  • Add support for static anonymous functions

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 988
    #988 In dotnet/csharpstandard;
    · RexJaeschke opened on Nov 12, 2023

  • Add support for target typed new expressions

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 990
    #990 In dotnet/csharpstandard;
    · RexJaeschke opened on Nov 12, 2023

  • Add support for extending partial methods

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 991
    #991 In dotnet/csharpstandard;
    · RexJaeschke opened on Nov 13, 2023

  • Add support for attributes and extern on local functions

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 994
    #994 In dotnet/csharpstandard;
    · RexJaeschke opened on Nov 19, 2023

  • Add support for Lambda discard parameters

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 995
    #995 In dotnet/csharpstandard;
    · RexJaeschke opened on Nov 20, 2023

  • Add support for pattern additions

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 1026
    #1026 In dotnet/csharpstandard;
    · RexJaeschke opened on Dec 7, 2023

  • Add support for native-sized integers

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 1060
    #1060 In dotnet/csharpstandard;
    · RexJaeschke opened on Mar 17, 2024

  • Add support for target typed conditional expression

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 1071
    #1071 In dotnet/csharpstandard;
    · RexJaeschke opened on Apr 4, 2024

  • Restore nullable attributes added in 9

    Status: Draft (not ready).
    dotnet/csharpstandardnumber 1221
    #1221 In dotnet/csharpstandard;
    · BillWagner opened on Nov 22, 2024

  • Add support for unconstrained type parameter annotations

    type: featureThis issue describes a new feature
    Status: Draft (not ready).
    dotnet/csharpstandardnumber 1326
    #1326 In dotnet/csharpstandard;
    · RexJaeschke opened on May 9, 2025
    •