Issues

• WrappedAspNetCoreSession doesn't persist updated properties

  Needs: Triage 🔍
  dotnet/systemweb-adapters#698 · Filter by author rawling opened on Sep 2, 2026
  2

• Request: New release of FrameworkServices

  Needs: Triage 🔍
  dotnet/systemweb-adapters#697 · Filter by author EmperorArthur opened on Aug 31, 2026

• Microsoft.AspNetCore.SystemWebAdapters.CoreServices 2.3.0 crashes on Linux with .NET 10 — IIISEnvironmentFeature removed from shared runtime

  dotnet/systemweb-adapters#687 · Filter by author raviraj-ntp opened on Jun 10, 2026

• TryParseOldStyleProjects throws "Sequence contains more than one element" when ASP.NET project contains project references

  Needs: Triage 🔍
  dotnet/systemweb-adapters#685 · Filter by author Sebbs128 opened on Jun 5, 2026

• Proposal to add IsBrowser to HttpCapabilitiesBase

  up for grabs
  dotnet/systemweb-adapters#684 · Filter by author ptuukkan opened on May 26, 2026
  3

• Proposal to add HtmlEncode to HttpServerUtility

  up for grabs
  dotnet/systemweb-adapters#683 · Filter by author ptuukkan opened on May 26, 2026
  4

• Proposal: AspNetCore HttpContext via FrameworkServices

  Needs: Triage 🔍
  dotnet/systemweb-adapters#682 · Filter by author EmperorArthur opened on May 14, 2026

• System.InvalidOperationException: Multiple Location headers were detected. This is possibly because you have remote authentication as the default scheme. Consider short circuiting the YARP requests or disabling default scheme.

  Needs: Triage 🔍
  dotnet/systemweb-adapters#671 · Filter by author htmlsplash opened on Apr 7, 2026
  5

• IIISEnvironmentFeature could not be found on Ubuntu Linux

  Needs: Triage 🔍
  dotnet/systemweb-adapters#670 · Filter by author radzawee opened on Mar 19, 2026
  2

  

• Issues Updating 1.4.0 to 2.3.0

  Needs: Triage 🔍
  dotnet/systemweb-adapters#669 · Filter by author jamsoft opened on Mar 11, 2026
  2

• SystemWebAdapters v2.0.0 - The SSL connection could not be established - The requested function is not supported

  Needs: Triage 🔍
  dotnet/systemweb-adapters#614 · Filter by author kristofdc opened on Sep 30, 2025
  2

• Enable a good Aspire experience for ASP.NET Framework migrations

  Needs: Triage 🔍
  dotnet/systemweb-adapters#606 · Filter by author twsouthwick opened on Jul 18, 2025

• When try to go from WebForm app to Blazor App browser spinning for long time then give error could not load the url.

  Needs: Triage 🔍
  dotnet/systemweb-adapters#591 · Filter by author Vikrant-hub44 opened on May 28, 2025
  2

• Share all the session keys between .NET 8 and .NET Framework MVC web app without registering keys

  Needs: Triage 🔍
  dotnet/systemweb-adapters#586 · Filter by author vkvn opened on Apr 16, 2025
  4

• SessionServer returns 404 from .net framework, help needed

  Needs: Attention 👋
  dotnet/systemweb-adapters#569 · Filter by author lkneat opened on Dec 19, 2024
  5

• SystemWeb.Adapters deadlocks after requesting a blazor page using InteractiveServer

  Needs: Triage 🔍
  Bug

  dotnet/systemweb-adapters#543 · Filter by author pockets3407 opened on Sep 10, 2024
  2

• Roles are not converted to Claims on Login

  Needs: Triage 🔍
  dotnet/systemweb-adapters#505 · Filter by author tsi-kyle opened on Jun 6, 2024
  2

• Session Values are set to Null if you dont map them

  In-PRNeeds: Triage 🔍
  dotnet/systemweb-adapters#503 · Filter by author tsi-kyle opened on Jun 3, 2024
  2

• Help Needed: Blank Screen Issue with Microsoft Reverse Proxy in .NET Core

  Needs: Triage 🔍
  dotnet/systemweb-adapters#501 · Filter by author rubenc57 opened on May 16, 2024
  5

• Sharing Session State Between Webforms Application and Blazor Server Application - Current Problems, Future Design Goals

  Needs: Triage 🔍
  dotnet/systemweb-adapters#413 · Filter by author htmlsplash opened on Oct 5, 2023

• Session State is not working or Could not redirect to WebForms page.

  enhancementneeds author feedback
  dotnet/systemweb-adapters#382 · Filter by author AjayKumar22n opened on Jul 22, 2023
  33

  

• Ask About HtmlTextWriter

  enhancementIn-PR
  dotnet/systemweb-adapters#378 · Filter by author Clounea opened on Jul 13, 2023
  

• HttpRequest.Params doesn't return the values like framework did

  up for grabs
  dotnet/systemweb-adapters#312 · Filter by author twsouthwick opened on Mar 22, 2023 · Backlog

• framework service under sub application httpcontext.session is not work

  needs author feedback
  dotnet/systemweb-adapters#277 · Filter by author suwennana opened on Feb 4, 2023
  1

• Multidomain session/authentication support

  enhancement
  dotnet/systemweb-adapters#267 · Filter by author urbanowiczpiotr opened on Jan 18, 2023 · Backlog
  3