ipn_fowarder.php has anything changed since 2014

I have ipn-forwarder-2014.zip that Aaron updated tread is here
Has anything change Not that I'm having a problem just wondering if it anything has changed since 2014.
I did get a notice from Paypal

Please check your server that handles PayPal Instant Payment Notifications (IPN). IPNs sent to the following URL(s) are failing:
But that was my fault for not re uploading it since going from Wordpress to a WHMCS Custom Themed Skin. Just uploaded it again and was just wondering if all is A OK with it still. Thank You aaron for putting out a great script for IPN