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InvalidCastException in VB SymbolDisplay when using UseArityForGenericTypes option

Area-Compilers

Bug

Language-VB

Status: Open.

#80165 In dotnet/roslyn;

· jcouv opened on Sep 7, 2025

Extensions: ExtensionGroupingName and ExtensionMarkerName APIs

Area-Compilers

Concept-APIThis issue involves adding, removing, clarification, or modification of an API.This issue involves adding, removing, clarification, or modification of an API.

Feature - Extension EverythingThe extension everything featureThe extension everything feature

Feature Request

Status: Open.

#80163 In dotnet/roslyn;

· jcouv opened on Sep 7, 2025

Compiler toolset package doesn't contain Linux executables (csc, vbc, VBCSCompiler)

Area-Compilers

Status: Open.

Bug

#80151 In dotnet/roslyn;

· jjonescz opened on Sep 5, 2025

· 

Next

Extra sacrificial read in async compound array indexing operations

Area-Compilers

Code Gen QualityRoom for improvement in the quality of the compiler's generated codeRoom for improvement in the quality of the compiler's generated code

Status: Open.

#80147 In dotnet/roslyn;

· 333fred opened on Sep 4, 2025

· 

Backlog

Provide a way for specific DiagnosticAnalyzers to get specific AnalyzerOptions when running analyzers

api-ready-for-reviewAPI is ready for review, it is NOT ready for implementationAPI is ready for review, it is NOT ready for implementation

Area-Analyzers

Concept-APIThis issue involves adding, removing, clarification, or modification of an API.This issue involves adding, removing, clarification, or modification of an API.

Feature Request

Status: Open.

#80143 In dotnet/roslyn;

· CyrusNajmabadi opened on Sep 4, 2025

· 

18.0

Type inference does not conform to collection expressions spec

Area-Compilers

Status: Open.

#80142 In dotnet/roslyn;

· jnm2 opened on Sep 4, 2025

IDE0071 should probably be a performance rule instead of a code style rule

Area-IDE

Status: Open.

#80139 In dotnet/roslyn;

· Alex-Sob opened on Sep 4, 2025

Adjusting namespace when moving file deletes explicit anonymous type member names

Area-IDE

IDE-FormatterCode formatter and/or smart indentCode formatter and/or smart indent

Status: Open.

#80133 In dotnet/roslyn;

· zdenek-jelinek opened on Sep 4, 2025

· 

Backlog

IDE0071 should suggest removing ToString on {ReadOnly}Span<char> for .NET 6+

Area-IDE

Status: Open.

#80132 In dotnet/roslyn;

· Alex-Sob opened on Sep 4, 2025

· 

Backlog

Signature help doesn't show correct overload when dealing with interpolated string handlers

Area-IDE

IntelliSense-Signature Help

Status: Open.

#80131 In dotnet/roslyn;

· DoctorKrolic opened on Sep 4, 2025

· 

Backlog

c# intellisense in fuzzy search suddenly become case sensitive

Area-IDE

Status: Open.

Feature

#80134 In dotnet/roslyn;

· mhamri opened on Sep 4, 2025

· 

Backlog

✨ Set up Copilot instructions

Area-Infrastructure

Status: Open.

#80122 In dotnet/roslyn;

· tmat opened on Sep 3, 2025