Issues

• System.ServiceModel.NetNamedPipe high-concurrency connection attempts are less reliable on net8.0-windows than net48

  dotnet/wcf#5977 · Filter by author fourthprime opened on Sep 10, 2026
  1

  

• dotnet-svcutil should use RollForward = LatestMajor

  dotnet/wcf#5972 · Filter by author John0King opened on Aug 18, 2026

• Package 'System.Security.Cryptography.Xml' 10.0.0 has a known high severity vulnerability, https://github.com/advisories/GHSA-37gx-xxp4-5rgx

  dotnet/wcf#5960 · Filter by author ipaz-bgr opened on Jun 22, 2026
  1

• System.ServiceModel.Primitives V8.1.* (latest version) references System.Security.Cryptography.Xml V8.0.2 which has a known vulnerability

  dotnet/wcf#5957 · Filter by author AbhiRamsurrun opened on Jun 2, 2026
  1

• dotnet-svcutil can use default credentials by default

  dotnet/wcf#5950 · Filter by author mconnew opened on May 21, 2026
  

• System.ServiceModel.Security.6.0.0 NuGet only supports net6.0

  dotnet/wcf#5942 · Filter by author bstordrup opened on May 8, 2026
  1

• Proxy and WCF

  dotnet/wcf#5939 · Filter by author TonyValenti opened on Apr 28, 2026
  1

• System.ServiceModel.Federation depends on deprecated Microsoft.IdentityModel.Protocols.WsTrust package

  dotnet/wcf#5938 · Filter by author vgriph opened on Apr 27, 2026
  3

• Error NU1901: Package 'System.Security.Cryptography.Xml' 10.0.0 has a known low severity vulnerability

  dotnet/wcf#5935 · Filter by author aeirisch opened on Apr 16, 2026
  5

• Support .NET 10 as runtime.

  dotnet/wcf#5929 · Filter by author Mertsch opened on Apr 9, 2026
  3

• Code generated by dotnet-svcutil breaks when a type has a member called System.

  dotnet/wcf#5910 · Filter by author aleksi-lukkarinen opened on Mar 1, 2026

• dotnet-svcutil: Reduce FrameworkFork/System.Web.Services by using System.Web.Services.Description package

  dotnet/wcf#5898 · Filter by author imcarolwang opened on Feb 6, 2026
  

• dotnet-svcutil: Evaluate whether RemoveExtensibleDataObjectImpl is still needed

  dotnet/wcf#5897 · Filter by author imcarolwang opened on Feb 6, 2026
  

• dotnet-svcutil tool sometimes makes public types when specifying /internal

  dotnet/wcf#5894 · Filter by author mconnew opened on Feb 3, 2026
  1

  

• HTTP based transports don't abort an in progress request if the reply has already started

  dotnet/wcf#5885 · Filter by author mconnew opened on Jan 21, 2026
  

• RST/SCT/Renew message not send(function) when WCF Client [.NET 8.0] communicate to WCF Server [.Net Framework 4.8]

  dotnet/wcf#5883 · Filter by author josefsnirych opened on Jan 8, 2026

• Http wsdl file not generated in WCF Application service while configuring in IIS Manager in Windows Server 2022 DataCenter

  dotnet/wcf#5872 · Filter by author SubashiniMahendran opened on Dec 12, 2025
  2

• VS2026 + .NET 10 broke SvcUtil System.ObjectModel / ObservableCollection

  dotnet/wcf#5869 · Filter by author Montago opened on Nov 28, 2025

• Since v10.0.652802 several types are not included

  dotnet/wcf#5868 · Filter by author ronaldcreutz-vw opened on Nov 20, 2025
  22

• dotnet-svcutil generates invalid IL code if the web service method has an optional parameter

  dotnet/wcf#5862 · Filter by author slepmog opened on Oct 28, 2025

• Exception SFxCallbackRequestReplyInOrder1 in System.ServiceModel.Channels.ServiceChannel when using ConcurrencyMode.Multiple

  dotnet/wcf#5861 · Filter by author fedotovrr opened on Oct 28, 2025

• .Net client generate DataContract cache overflow exception when return type is nullable ValueTuple

  dotnet/wcf#5833 · Filter by author Diesel1017 opened on Sep 8, 2025
  1

• WCF Client Throws WebSocketException when the Service Abruptly Closes the Handshake

  dotnet/wcf#5819 · Filter by author afifi-ins opened on Aug 15, 2025

• Tracking CoreWCF Issue 1643 - Linux WebSocket bug in Close method

  dotnet/wcf#5818 · Filter by author afifi-ins opened on Aug 15, 2025

• Suboptimal ReaderWriterLockSlim usage in TypedHeaderManager

  dotnet/wcf#5811 · Filter by author KalleOlaviNiemitalo opened on Aug 1, 2025
  1