Created Unassigned: TFS assembly version issue in 3.2.1 [228]

I'm getting this exception now with Chutzpah v3.2.1 installed whereas I wasn't with 3.1 in VS2013 with Update 2 CTP 2:

System.TypeLoadException: Could not load type 'Microsoft.TeamFoundation.VersionControl.Controls.WritableFileDirectory' from assembly 'Microsoft.TeamFoundation.VersionControl.Controls, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'.
at IMP.TFSSCExplorerExtension.Components.ExplorerExtension.Explorer_SelectionChanged(Object sender, EventArgs e)
at Microsoft.VisualStudio.TeamFoundation.VersionControl.VersionControlBaseExt.FireEventHandler(EventHandler eh, Object sender, EventArgs args)System.TypeLoadException: Could not load type 'Microsoft.TeamFoundation.VersionControl.Controls.WritableFileDirectory' from assembly 'Microsoft.TeamFoundation.VersionControl.Controls, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'.
at IMP.TFSSCExplorerExtension.Components.ExplorerExtension.Explorer_SelectionChanged(Object sender, EventArgs e)
at Microsoft.VisualStudio.TeamFoundation.VersionControl.VersionControlBaseExt.FireEventHandler(EventHandler eh, Object sender, EventArgs args)