No specific info about version 3.0. Please visit the main page of Change Hidden iTunes Preferences on Mac Informer.
Allowing you to maintain libraries each with its own preferences settings.
Export iTunes playlists to a local or external storage.
Yosemite Preferences unlocks hidden features in a beautiful, easy-to-use widget.
Tunes Doodad lets you instantly switch playlists, skip tracks, or pause iTunes
This application will allow you to invoke hidden iTunes preferences