The TFS Power tools 2013 update 2 are released a few days ago. Strange that there isn’t any notification in your Visual Studio 2013 environment. This update gives you better support for the new features in TFS 2013 Update 2.
You first have to uninstall the old version before installing the new version. If you want PowerShell support, you have to choose the custom installer in the wizard.
You can download the update in the Visual Studio gallery by following this link: