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Nigel to update the grammar checker for C# 8

Status: Open.

#1805 In dotnet/csharpstandard;

· jskeet opened on Sep 9, 2026

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C# 8.0

return-by or returns-by – consistency needed

Status: Open.

#1803 In dotnet/csharpstandard;

· Nigel-Ecma opened on Sep 7, 2026

Implementation-defined and implementation-specific

Status: Open.

#1802 In dotnet/csharpstandard;

· jskeet opened on Sep 7, 2026

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

type: featureThis issue describes a new featureThis issue describes a new feature

Status: Open.

#1799 In dotnet/csharpstandard;

· RexJaeschke opened on Sep 3, 2026

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C# 14

Specific conversions with arrays-of-arrays and nullable reference types

Status: Open.

#1792 In dotnet/csharpstandard;

· jskeet opened on Aug 26, 2026

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C# 8.0

Ensure consistency when talking about attributes

Status: Open.

#1789 In dotnet/csharpstandard;

· jskeet opened on Aug 24, 2026

12.6.2 Argument lists doesn't handle "out declaration_expression"

type: bugThe Standard does not describe the language as intended or implementedThe Standard does not describe the language as intended or implemented

Status: Open.

#1786 In dotnet/csharpstandard;

· jskeet opened on Aug 19, 2026

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C# 8.0

Check that switch expressions with a natural type do not cause additional conversions

Status: Open.

#1739 In dotnet/csharpstandard;

· jskeet opened on Jul 22, 2026

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C# 8.0

foreach expansions, value collections.

status: needs triaging

Status: Open.

#1720 In dotnet/csharpstandard;

· BillWagner opened on Jun 26, 2026

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C# 8.0

dynamic – missing contextual resolution rules

Status: Open.

#1714 In dotnet/csharpstandard;

· Nigel-Ecma opened on Jun 17, 2026

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Pre-C# 9.0

Apply discard-related changes to deconstructing foreach

Status: Open.

#1711 In dotnet/csharpstandard;

· jskeet opened on Jun 10, 2026

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Pre-C# 9.0

Clarify array initializers and give examples for complex situations

Status: Open.

#1705 In dotnet/csharpstandard;

· jskeet opened on Jun 1, 2026

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Pre-C# 9.0