Assorted corrections related to PayPal subscription payments - note: please see our documentation to learn about the limited functionality cases - case #238
Eliminated "DOMDocument::loadHTML()" error that could occur when opening an invoice that was paid through the PayPal gateway - case #268
Prevented "array_key_exist()" error that could show up after adding a product addon to the cart on a PHP 8.1 server - case #269