07-21-2016, 11:58 PM
Have you test it for update? There is many new version than 3.1.3 and I never see any notify about update to new version.
You can check Yoast premium version change log at here: https://yoast.com/wordpress/plugins/seo/change-log/
You can check Yoast premium version change log at here: https://yoast.com/wordpress/plugins/seo/change-log/