Instock label

Hello

yes. Please read this – https://products-filter.com/hook/woof_ext_custom_title_xxx

Example:

add_filter( 'woof_ext_custom_title_by_instock' ,'woof_ext_custom_title_instock');
function  woof_ext_custom_title_instock ($title){
    return "Show in stock only";
}

Thank you!

Welcome;)