Hi,

Go to your theme functions.php file and at the bottom add following filter:

add_filter('woocommerce_order_item_get_formatted_meta_data', function($meta, $instance) {
    if (false === ($instance instanceof \WC_Order_Item_Product)) {
        return $meta;
    }
    if ('1' !== get_post_meta($instance->get_product_id(), 'stec_bookable', true)) {
        return $meta;
    }
    $filtered_meta = array();
    if (is_array($meta)) {
        $skip = array('Repeat Offset');
        foreach ($meta as $var) {
       
            if (in_array($var->display_key, $skip)) {
                continue;
            }
            $filtered_meta[]  = $var;
        }
    }
    return $filtered_meta;
}, 11, 3);

In the next version we'll remove this variable by default so you can remove the filter after the update.