Breadcrumbs

add_filter( 'rank_math/frontend/breadcrumb/items', function( $crumbs, $class ) {
    if(is_single()) {
        $crumbs[1][1] = substr($crumbs[1][1],strpos($crumbs[1][1], "category/"));
        return $crumbs;
    }
    return $crumbs;
}, 10, 2);