The knowledge base manager plugin offers a unique feature to display the posts in Featured, Popular & Recent tabs. Those three tabs’ titles are pretty easy to understand for anyone, and they present the knowledge base items based on their heading. However, you can smoothly change tab titles in the shortcode if you wish, and the plugin will override the default tab title. Please check the following screenshot for more detail.
Note: The knowledge base tab title change feature has been introduced from version 1.1.7. You can download the latest version from the following link.
I hope that helps you. Thank You!