Great news for everyone who has still some WCF services running. Until recently only BasicHttpBinding and NetTcpBinding were supported. This limited the usefulness as most WCF services I encountered where using WSFederationHttpBinding (or the more recent WS2007FederationHttpBinding). These bindings were typically used in scenarios where users authenticate with a security token service (like Active Directory Federation Services).
Last month, the System.ServiceModel.Federation package was released, adding client(!) support for WSFederation.
Remark: You cannot use this binding yet through dotnet-svcutil or the Visual Studio’s WCF Web Service Reference Provider Tool but this will be added in the future.