Add the following code to your functions.php file to load or enqueue the most recent child theme style.css file or any css/javascript file.
function my_custom_files() { //use the current date and time as the file version $cache_buster = date("YmdHi"); wp_register_style( 'childstyle', get_stylesheet_directory_uri() . '/style.css', $cache_buster, 'all' ); wp_enqueue_script( 'my-scripts', get_stylesheet_directory_uri() . '/scripts.js', array(), $cache_buster, true ); wp_enqueue_style( 'childstyle' ); } add_action( 'wp_enqueue_scripts', 'my_custom_files', 11);