**This is part of .NET 6.0 RC2 released on October 12, 2021 Release

Package Info

• System.ServiceModel.Duplex 4.9.0-rc2
• System.ServiceModel.Http 4.9.0-rc2
• System.ServiceModel.NetTcp 4.9.0-rc2
• System.ServiceModel.Primitives 4.9.0-rc2
• System.ServiceModel.Security 4.9.0-rc2
• System.ServiceModel.Federation 4.9.0-rc2
• System.Web.Services.Description 4.9.0-rc2

What's New

• Fix async lock (#4485)
• Add callback message inspector (#4699)
• Add more apis for generic xml security token (#4703)
• Removing ContractDescription caching as it also cached behaviors (#4720)

Related Repos

• Aspnetcore
• EF Core
• Installer
• Runtime
• SDK
• templating
• WCF
• Windowsdesktop
• winforms
• WPF