order-handler.inc.php html_entity_decode() breaking website in php8

Where “PHP Warning: html_entity_decode() expects parameter 1 to be string, array given in order-handler.inc.php” only threw a warning, it is now causing “PHP Fatal error: Uncaught TypeError: html_entity_decode()……” when payment gateways are active….
After testing with a manual trigger, it appears that it would be BEST to go back to printing only on order-received endpoint. But when I set it to do that, of course the plugin has no idea what it’s reading…