A non-invasive, lightweight WordPress plugin adding custom post type admin taxonomy filtering support. CPT-Admin-Taxonomy-Filtering is a plug-and-play plugin with no required configuration.
Adds a new menu item type that shows all posts for a given post type as children. If the post type has an archive, the parent menu item will link to the archive. If there is no archive for a given post type, the parent will link to the first child.