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SocketException (11001) Occurs Sporadically in HttpClient Requests Inside RunImpersonated Context

area-System.Net.Http

os-windows

tenet-performancePerformance related issuePerformance related issue

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#121269 In dotnet/runtime;

· YuvalFreiberg opened on Nov 1, 2025

Add URL scheme validation for HTTP redirects in SocketsHttpHandler

area-System.Net.Http

Status: Open (in progress).

dotnet/runtimenumber 121263

#121263 In dotnet/runtime;

· Copilot opened on Nov 1, 2025

· 

11.0.0

Improve HttpEnvironmentProxy uri parsing

area-System.Net.Http

Status: Open (in progress).

dotnet/runtimenumber 121206

#121206 In dotnet/runtime;

· MihaZupan opened on Oct 30, 2025

· 

11.0.0

System.Net.WebSockets.Client.Tests: Assertion failed: !_hasWaiter

area-System.Net.Http

blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'Blocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'

Known Build ErrorUse this to report build issues in the .NET Helix tabUse this to report build issues in the .NET Helix tab

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#121157 In dotnet/runtime;

· jkotas opened on Oct 29, 2025

[DRAFT] Allow using H/3 with WinHttpHandler

area-System.Net.Http

Status: Draft (not ready).

dotnet/runtimenumber 121065

#121065 In dotnet/runtime;

· ManickaP opened on Oct 24, 2025

Mark HttpClient.Send tests uniformly with UnsupportedOSPlatform for Android, iOS

area-System.Net.Http

community-contributionIndicates that the PR has been added by a community memberIndicates that the PR has been added by a community member

test-enhancementImprovements of test source codeImprovements of test source code

Status: Open (in progress).

dotnet/runtimenumber 120716

#120716 In dotnet/runtime;

· eriawan opened on Oct 14, 2025

· 

11.0.0

Disable AltSvc blocklist for prenegotiated HTTP/3 connections

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.

#120262 In dotnet/runtime;

· noelex opened on Sep 30, 2025

· 

Future

[Test Failure] HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success(uri: "https://quic.nginx.org/")

area-System.Net.Http

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

Known Build ErrorUse this to report build issues in the .NET Helix tabUse this to report build issues in the .NET Helix tab

Status: Open.

#120257 In dotnet/runtime;

· rzikm opened on Sep 30, 2025

· 

11.0.0

SocketsHttpHandler HTTP/2 pings are broken in multiple scenarios

area-System.Net.Http

bug

tenet-reliabilityReliability/stability related issue (stress, load problems, etc.)Reliability/stability related issue (stress, load problems, etc.)

Status: Open.

#120179 In dotnet/runtime;

· MihaZupan opened on Sep 28, 2025

· 

11.0.0

[API Proposal]: Allow a custom IP lookup function for <code>HttpClient</code>.

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

area-System.Net.Http

Status: Open.

#120168 In dotnet/runtime;

· billpg opened on Sep 27, 2025

· 

Future

HttpClient - Authenticating NetworkCredentials on Fedora throws InvalidToken exception

area-System.Net.Http

needs-further-triageIssue has been initially triaged, but needs deeper consideration or reconsiderationIssue has been initially triaged, but needs deeper consideration or reconsideration

Status: Open.

#120058 In dotnet/runtime;

· jurijr opened on Sep 24, 2025

· 

Future

WASI runtime HttpClient header parsing bug: sentinel "-1" surfaced as header value for Azure Management responses

arch-wasmWebAssembly architectureWebAssembly architecture

area-System.Net.Http

os-wasiRelated to WASI variant of arch-wasmRelated to WASI variant of arch-wasm

Status: Open.

#119934 In dotnet/runtime;

· cataggar opened on Sep 20, 2025

· 

Future