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JIT: Always create <code>FIELD_LIST</code> for struct args in physical promotion

area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI

Status: Draft (not ready).

dotnet/runtimenumber 118778

#118778 In dotnet/runtime;

· jakobbotsch opened on Aug 15, 2025

Remove DAM warning for base types/interfaces

area-Tools-ILLink.NET linker development as well as trimming analyzers.NET linker development as well as trimming analyzers

Status: Open.

#118713 In dotnet/runtime;

· sbomer opened on Aug 14, 2025

Add support for converting structs into custom marshallers structs in Visual Studio

area-System.Runtime.InteropServices

source-generatorIndicates an issue with a source generator featureIndicates an issue with a source generator feature

Status: Open.

#81656 In dotnet/runtime;

· Symbai opened on Feb 5, 2023

Remove SyntaxTree rooting from interop source generators

area-System.Runtime.InteropServices

source-generatorIndicates an issue with a source generator featureIndicates an issue with a source generator feature

tenet-performancePerformance related issuePerformance related issue

Status: Open.

#83870 In dotnet/runtime;

· jkoritzinsky opened on Mar 24, 2023

Intrinsically recognize Type.GetGenericTypeDefinition

area-Tools-ILLink.NET linker development as well as trimming analyzers.NET linker development as well as trimming analyzers

Status: Open.

#94990 In dotnet/runtime;

· MichalStrehovsky opened on Nov 20, 2023

[RuntimeAsync] R2R support

area-VM-coreclr

runtime-async

Status: Open.

#115098 In dotnet/runtime;

· VSadov opened on Apr 27, 2025

Http Stress Status Report

area-System.Net.Http

Status: Open.

#42211 In dotnet/runtime;

· ManickaP opened on Sep 14, 2020

Test failure: System.Net.Quic.Tests.QuicStreamTests.TestStreams

arch-arm32

area-System.Net.Quic

blocking-clean-ci-optionalBlocking optional rolling runsBlocking optional rolling runs

JitStressCLR JIT issues involving JIT internal stress modesCLR JIT issues involving JIT internal stress modes

os-linuxLinux OS (any supported distro)Linux OS (any supported distro)

Status: Open.

#107969 In dotnet/runtime;

· v-wenyuxu opened on Sep 18, 2024

More refined categorization of tracing events?

area-System.Net.Http

enhancementProduct code improvement that does NOT require public API changes/additionsProduct code improvement that does NOT require public API changes/additions

Status: Open.

#113717 In dotnet/runtime;

· RudolfKurkaMs opened on Mar 19, 2025

Deadlock in WebSocketBase

area-System.Net.Http

bug

Status: Open.

#115559 In dotnet/runtime;

· fairful opened on May 14, 2025

[HttpStress] <code>H3_REQUEST_REJECTED</code> in Get / Get Slow

area-System.Net.Http

Status: Open.

#109121 In dotnet/runtime;

· antonfirsov opened on Oct 22, 2024

Add API to provide existing DI scope to HttpClientFactory

api-suggestionEarly API idea and discussion, it is NOT ready for implementationEarly API idea and discussion, it is NOT ready for implementation

area-Extensions-HttpClientFactory

Status: Open.

#47091 In dotnet/runtime;

· CarnaViire opened on Jan 17, 2021

(short)(double)32768.000000000007 produces invalid result

area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI

disabled-testThe test is disabled in source code against the issueThe test is disabled in source code against the issue

Status: Open.

#116823 In dotnet/runtime;

· mangod9 opened on Jun 19, 2025

ML-KEM: CryptoKit support

area-System.Security

blockedIssue/PR is blocked on something - see commentsIssue/PR is blocked on something - see comments

Status: Open.

Task

#116454 In dotnet/runtime;

· vcsjones opened on Jun 10, 2025

JIT: IV opts relop evaluation misses combining facts to prove relops

area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI

in-prThere is an active PR which will close this issue when it is mergedThere is an active PR which will close this issue when it is merged

Status: Open.

#110315 In dotnet/runtime;

· jakobbotsch opened on Dec 2, 2024

Crash calling ICU GetLocale on static Android CoreCLR build.

area-ExceptionHandling-coreclr

os-android

runtime-coreclrspecific to the CoreCLR runtimespecific to the CoreCLR runtime

Status: Open.

#116522 In dotnet/runtime;

· lateralusX opened on Jun 11, 2025

Test failure: JIT/interpreter/InterpreterTester/InterpreterTester.cmd

arch-arm64

area-CodeGen-Interpreter-coreclr

blocking-outerloopBlocking the 'runtime-coreclr outerloop' and 'runtime-libraries-coreclr outerloop' runsBlocking the 'runtime-coreclr outerloop' and 'runtime-libraries-coreclr outerloop' runs

os-linuxLinux OS (any supported distro)Linux OS (any supported distro)

Status: Open.

#116508 In dotnet/runtime;

· SakeTao opened on Jun 11, 2025

CoreCLR Interpreter - Shared generics support

area-CodeGen-Interpreter-coreclr

Status: Open.

#116395 In dotnet/runtime;

· davidwrighton opened on Jun 6, 2025

[WASM] string Normalize() / IsNormalized() compatibility forms

arch-wasmWebAssembly architectureWebAssembly architecture

area-System.Globalization

Status: Open.

#117116 In dotnet/runtime;

· mikernet opened on Jun 28, 2025

[cDAC] Hashtable contracts

area-Diagnostics-coreclr

enhancementProduct code improvement that does NOT require public API changes/additionsProduct code improvement that does NOT require public API changes/additions

Status: Open.

#117109 In dotnet/runtime;

· jkotas opened on Jun 27, 2025

[mono] Time-outs on Linux FullAOT Mono runtime tests CI

arch-x64

area-Codegen-AOT-mono

os-linuxLinux OS (any supported distro)Linux OS (any supported distro)

Status: Open.

Bug

#115183 In dotnet/runtime;

· matouskozak opened on Apr 30, 2025

Upgrading Blazor to new AspNetCore requires aggressive project bin/obj folders deletion

area-Codegen-AOT-mono

Status: Open.

#109166 In dotnet/runtime;

· Sean4572435243 opened on Oct 23, 2024

Blazor AOT build time on Azure DevOps nearing 2 hours

area-Codegen-AOT-mono

tenet-performancePerformance related issuePerformance related issue

Status: Open.

#111270 In dotnet/runtime;

· mip1983 opened on Jan 10, 2025

[RuntimeAsync] PGO support.

area-VM-coreclr

runtime-async

Status: Open.

#115096 In dotnet/runtime;

· VSadov opened on Apr 27, 2025

[RuntimeAsync] Multicore JIT support.

area-VM-coreclr

runtime-async

Status: Open.

#115097 In dotnet/runtime;

· VSadov opened on Apr 27, 2025