C# 14

Issues

• [Version 14.0] Feature support for partial events and constructors

  Review: pendingtype: feature
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  dotnet/csharpstandard#1795·RexJaeschke opened Aug 30, 2026 · Updated Oct 16, 2026·Draft

• [Version 14.0] Support optional and named arguments in Expression trees

  type: feature
  dotnet/csharpstandard#1799 · Filter by author RexJaeschke opened on Sep 3, 2026 · C# 14
  1

• [Version 14.0] Feature support for ignored directives

  Review: pendingtype: feature
  Unread
  dotnet/csharpstandard#1826·RexJaeschke opened Oct 7, 2026 · Updated Oct 16, 2026·Draft

• [Version 14.0] Feature support for extension members

  Review: pendingtype: feature
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  dotnet/csharpstandard#1833·RexJaeschke opened Oct 14, 2026 · Updated Oct 16, 2026·Draft

• [Version 14.0] Feature support for null-conditional assignment

  Review: pendingtype: feature
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  dotnet/csharpstandard#1838·RexJaeschke opened Oct 15, 2026 · Updated Oct 15, 2026·Draft

• [Version 14.0] Feature support for unbound generic types in nameof

  Review: pendingtype: feature
  Unread
  dotnet/csharpstandard#1841·RexJaeschke opened Oct 18, 2026 · Updated Oct 18, 2026·Draft