To display the primary Commerce Category in the Breadcrumb Navigation on the Product Display page. Set the Category you wish to display in the Breadcrumbs as Primary. For more information see article 51639 Assign Items to a Commerce Category Ensure Commerce Categories is added to the Details Field Set. For more information see article 51653 Add Commerce Categories to Website Field… Continue reading Resolve Breadcrumbs Not Showing Commerce Categories on the Product Display Page