Yes, the latest version of HikaShop doesn't take into account anymore the centering for listings.
You need to change the code:
$css.='
#'.$main_div_name.' div.hikashop_subcontainer {
	text-align:center;
}
#'.$main_div_name.' div.hikashop_container {
	text-align:center;
}
			';by:
$center = $params->get('text_center');
		if(!empty($center)){
		$css.='
#'.$main_div_name.' div.hikashop_subcontainer,#'.$main_div_name.' div.hikashop_subcontainer span {
	text-align:center;
}
#'.$main_div_name.' div.hikashop_container {
	text-align:center;
}
			';
		}else{
			$css.='
#'.$main_div_name.' div.hikashop_subcontainer,#'.$main_div_name.' div.hikashop_subcontainer span {
	text-align:left;
}
#'.$main_div_name.' div.hikashop_container {
	text-align:left;
}
			';
		}in the file administrator/components/com_hikashop/helpers/module.php in order to solve the problem.