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Spread element does not emit nullability warning when converting to certain collection types

Area-Compilers

Bug

Feature - Nullable Reference TypesNullable Reference TypesNullable Reference Types

help wantedThe issue is "up for grabs" - add a comment if you are interested in working on itThe issue is "up for grabs" - add a comment if you are interested in working on it

Status: Open.

#78307 In dotnet/roslyn;

· just-ero opened on Apr 24, 2025

Consider changing logic in NamespaceSymbol.AddExtensionContainersForType

Area-Compilers

Feature - Extension EverythingThe extension everything featureThe extension everything feature

Status: Open.

Task

#78275 In dotnet/roslyn;

· ToddGrun opened on Apr 23, 2025

Area Roslyn Compiler Tests

Area-Compilers

Status: Open.

Bug

#78238 In dotnet/roslyn;

· jaredpar opened on Apr 21, 2025

It looks like we don't have a single test demonstrating significance of the code at <code>RefSafetyAnalysis.GetValEscape</code> <code>case BoundKind.CompoundAssignmentOperator:</code>

Area-Compilers

Feature - Ref Locals and ReturnsRef Locals and ReturnsRef Locals and Returns

Test-GapDescribes a specific feature or scenario that does not have test coverageDescribes a specific feature or scenario that does not have test coverage

Status: Open.

Bug

#78198 In dotnet/roslyn;

· AlekseyTs opened on Apr 18, 2025

Assertion failed in Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamedTypeSymbol.AfterMembersCompletedChecks

Area-Compilers

Status: Open.

Bug

#78188 In dotnet/roslyn;

· tmat opened on Apr 17, 2025

Fix reporting use-site diagnostics for data section string literals

Area-Compilers

Feature - String Literals in Data Section as UTF8

Status: Open.

Bug

#78172 In dotnet/roslyn;

· tmat opened on Apr 16, 2025

API for generating the virtual project behind file-based programs

api-needs-workAPI needs work before it is approved, it is NOT ready for implementationAPI needs work before it is approved, it is NOT ready for implementation

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 - Ignored Directives#: and #! directives in file-based C# programs#: and #! directives in file-based C# programs

Feature Request

Status: Open.

Feature

#78159 In dotnet/roslyn;

· jjonescz opened on Apr 15, 2025

Ignored directives report errors in disabled regions

Area-Compilers

Feature - Ignored Directives#: and #! directives in file-based C# programs#: and #! directives in file-based C# programs

Status: Open.

Bug

#78157 In dotnet/roslyn;

· jjonescz opened on Apr 15, 2025

CS8618 suggests using <code>required</code> on static properties

Area-Compilers

Concept-Diagnostic ClarityThe issues deals with the ease of understanding of errors and warnings.The issues deals with the ease of understanding of errors and warnings.

Feature - Required MembersRequired properties and fieldsRequired properties and fields

Status: Open.

Bug

#78152 In dotnet/roslyn;

· Blokyk opened on Apr 15, 2025

error CS8945 when using <code>InterpolatedStringHandlerArgument</code> with new <code>extension</code> block

Area-Compilers

Bug

Feature - Extension EverythingThe extension everything featureThe extension everything feature

Feature - Interpolated String ImprovementsInterpolated string improvementsInterpolated string improvements

Status: Open.

Bug

#78137 In dotnet/roslyn;

· FaustVX opened on Apr 13, 2025

Microsoft.CodeAnalysis.VisualBasic.UnitTests.Semantics.BinaryOperators.Test1 and Test5 are failing

Area-Compilers

Disabled Test

Status: Open.

Bug

#78117 In dotnet/roslyn;

· 333fred opened on Apr 11, 2025

Compiler implementation strategy for dictionary expressions targeted to <code>IReadOnlyDictionary&lt;TKey, TValue&gt;</code>

Area-Compilers

Feature - Dictionary Expressions

Status: Open.

#78101 In dotnet/roslyn;

· CyrusNajmabadi opened on Apr 10, 2025

Constant errors regarding "Diagnostic Analyzer runner" crashing

Area-Analyzers

Area-Compilers

Status: Open.

Bug

#78025 In dotnet/roslyn;

· endasil opened on Apr 7, 2025

Incorrect nullability analysis for extension method with inference

Area-Compilers

Feature - Extension EverythingThe extension everything featureThe extension everything feature

Feature - Nullable Reference TypesNullable Reference TypesNullable Reference Types

Status: Open.

#78022 In dotnet/roslyn;

· jcouv opened on Apr 7, 2025

Make netfx build task publishing more robust

Area-Compilers

Concept-Design DebtEngineering Debt, Design Debt, or poor product code qualityEngineering Debt, Design Debt, or poor product code quality

Status: Open.

Bug

#78001 In dotnet/roslyn;

· jjonescz opened on Apr 4, 2025

Null resilient props should not get nullable initial state in constructors

Area-Compilers

Feature - Field Keyword

Status: Open.

Bug

#77991 In dotnet/roslyn;

· RikkiGibson opened on Apr 3, 2025

Extension everything clean up translated prototype comments

Area-Compilers

Feature - Extension EverythingThe extension everything featureThe extension everything feature

Status: Open.

Bug

#77933 In dotnet/roslyn;

· jaredpar opened on Apr 1, 2025

Crash in runtime-async compiler

Area-Compilers

Feature - Runtime Async

Status: Open.

#77897 In dotnet/roslyn;

· agocke opened on Mar 28, 2025

Support <code>ForInvocationWithName</code> in incremental source generators

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 Request

Status: Open.

Feature

#77887 In dotnet/roslyn;

· captainsafia opened on Mar 28, 2025

Dictionary expressions: diagnostics from <code>GetCollectionExpressionApplicableIndexer()</code> are ignored

Area-Compilers

Feature - Dictionary Expressions

Status: Open.

#77879 In dotnet/roslyn;

· cston opened on Mar 27, 2025

Dictionary expressions: implement nullable analysis for key-value pair elements

Area-Compilers

Feature - Dictionary Expressions

Status: Open.

#77875 In dotnet/roslyn;

· cston opened on Mar 27, 2025

Dictionary expressions: type inference for <code>K, V</code> for collections containing key-value pair elements or elements with <code>KeyValuePair&lt;,&gt;</code> type

Area-Compilers

Feature - Dictionary Expressions

untriagedIssues and PRs which have not yet been triaged by a leadIssues and PRs which have not yet been triaged by a lead

Status: Open.

#77873 In dotnet/roslyn;

· cston opened on Mar 27, 2025

Dictionary expressions: add semantic model and <code>IOperation</code> support

Area-Compilers

Feature - Dictionary Expressions

Status: Open.

#77872 In dotnet/roslyn;

· cston opened on Mar 27, 2025

Dictionary expressions: extend support for key-value pairs to non-dictionary collections of <code>KeyValuePair&lt;K, V&gt;</code>

Feature - Dictionary Expressions

Status: Open.

#77871 In dotnet/roslyn;

· cston opened on Mar 27, 2025

Collection expression arguments: CollectionBuilder items parameter should be last

Feature - Dictionary Expressions

Status: Open.

#77866 In dotnet/roslyn;

· cston opened on Mar 27, 2025