Plugins that were previsiouly working for TFS 2012 are not working in TFS 2013 Preview when added to the Plugins folder. We tried recompiling against the new server DLLs (which should not matter since the interfaces have not changed), but then VS 2013 Preview is giving the following error:
Error1 The type 'Microsoft.VisualStudio.Services.Common.VssHttpClientBase' is defined in an assembly that is not referenced. You must add a reference to assembly 'Microsoft.VisualStudio.Services.Common, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'.
Are plugins broken in 2013 all together?