Issues

• Lscache integration in MSBuildWorkspace

  dotnet/roslyn#85941 · Filter by author jnm2 opened on Oct 6, 2026

• ITypeSymbol.AllInterfaces is always empty for type parameters, contradicting its documentation ("the effective interface set of a type parameter")

  dotnet/roslyn#85937 · Filter by author aradalvand opened on Oct 6, 2026
  1

• IDE0051/IDE0052 silently skip every member of a type that contains stackalloc

  dotnet/roslyn#85934 · Filter by author igor-tkachev opened on Oct 6, 2026
  1

• Ref conditional operator with a ref-returning function pointer call returns a ref to a copy

  Area-CompilersFeature - Ref Locals and Returns
  dotnet/roslyn#85932 · Filter by author xen2 opened on Oct 6, 2026

• A using directive in every file makes declaration binding quadratic in the number of syntax trees

  Area-Compilers
  dotnet/roslyn#85922 · Filter by author webdevred opened on Oct 5, 2026
  1

• [Known Build Error] The BuildHost process is not responding

  Area-IDEblocking-clean-ciKnown Build Error
  dotnet/roslyn#85920 · Filter by author build-insights opened on Oct 5, 2026
  1

  

• Use xUnit v3 startup hooks for Roslyn trace listener setup

  Area-Infrastructure
  dotnet/roslyn#85901 · Filter by author mwiemer-microsoft opened on Oct 2, 2026

• Evaluate xUnit v3 console runner for test discovery

  Area-Infrastructure
  dotnet/roslyn#85900 · Filter by author mwiemer-microsoft opened on Oct 2, 2026

• Add closed modifier to type in switch expression IDE diagnostic/code action

  Area-IDEFeature Request
  dotnet/roslyn#85897 · Filter by author SocksM opened on Oct 2, 2026
  5

• Invalid CS8648 When the using statement is inside a try-catch block

  Area-Compilershelp wanted
  Bug

  dotnet/roslyn#85891 · Filter by author Aziz-Dhiab opened on Oct 2, 2026 · Backlog
  3

• Formatter inserts space in shebang ("#!" -> "# !") when indenting with tabs

  Area-IDEFeature - Run FileIDE-Formatter
  dotnet/roslyn#85890 · Filter by author ardalis opened on Oct 2, 2026
  1

• Microsoft.CodeAnalysis.BuildTasks.UnitTests.RuntimeHostInfoTests.DotNetInPath_Symlinked fails locally

  Area-InfrastructureTest
  dotnet/roslyn#85889 · Filter by author AlekseyTs opened on Oct 2, 2026 · 18.13
  1

  

• Side effects of accessing an array element used as the receiver of an implicit Index indexer are observed out of order

  Area-Compilers
  Bug

  dotnet/roslyn#85880 · Filter by author AlekseyTs opened on Oct 1, 2026 · Backlog
  1

  

• Wait for language server daemon bootstrap to exit before exposing daemon to editor

  Area-IDE
  dotnet/roslyn#85875 · Filter by author mwiemer-microsoft opened on Oct 1, 2026

• Restore deep collection-expression operation coverage on .NET Framework

  Area-CompilersFeature - Collection ExpressionsTest-Gap
  dotnet/roslyn#85874 · Filter by author mwiemer-microsoft opened on Oct 1, 2026 · 18.13
  1

  

• Go to definition not working for XAML classes in definition

  Area-IDE
  dotnet/roslyn#85872 · Filter by author vsfeedback opened on Oct 1, 2026
  1

• Investigate preferred UI culture for analyzer-config diagnostics

  Area-Compilers
  dotnet/roslyn#85858 · Filter by author mwiemer-microsoft opened on Sep 30, 2026 · 18.13
  

• Follow up on xUnit1051 suppression in Razor compiler tests

  Area-Razor-Compiler
  dotnet/roslyn#85857 · Filter by author mwiemer-microsoft opened on Sep 30, 2026 · Backlog
  

• Evaluate xUnit v3 TestContext for Razor parser test setup

  Area-Razor
  dotnet/roslyn#85856 · Filter by author mwiemer-microsoft opened on Sep 30, 2026 · Backlog
  

• Unions: spurious CS8655 on a switch over a union variable reassigned from a method call

  Area-CompilersFeature - Unions
  Bug

  dotnet/roslyn#85852 · Filter by author bernardnormier opened on Sep 30, 2026 · 18.13
  

• MSBuildWorkspace tests fail with ProjectCacheService DisposeAsync TypeLoadException

  Area-IDEKnown Build Error
  dotnet/roslyn#85848 · Filter by author jaredpar opened on Sep 30, 2026

• Handle IDE tests: remove or fixup

  Area-IDEIntegration-Test
  dotnet/roslyn#85846 · Filter by author mwiemer-microsoft opened on Sep 30, 2026 · Backlog
  2

  

• Two tests are useless because they do not actually verify anything

  Area-CompilersTest-Gap
  Bug

  dotnet/roslyn#85841 · Filter by author usr-sse2 opened on Sep 30, 2026 · Backlog
  

• Organized imports analyzer and preference

  Area-IDE
  dotnet/roslyn#85829 · Filter by author JoeRobich opened on Sep 29, 2026
  1

• Organize imports does not remove pre-existing blanks lines

  Area-IDE
  dotnet/roslyn#85828 · Filter by author JoeRobich opened on Sep 29, 2026