Added support for 3-D Secure 2.0. Address data is now sent to payment server for credit card payments, so it is not requested upon credit card data entry.
Added support for the payment methods maestro and bluecode.
Fixed bug related to stock modification on cancelled payments.
Implemented support for HTML-formatted order confirmation emails.
Improved compatibility with third-party modules (order creation)
Removed internal forms in checkout for iDEAL and direct debit. Additional data is now always requested on payment server side. Also removed related configuration settings.
Bugfix for credit card (Warning: Couldn't find constant…)
Added SDK v. 2.1.11 (longer connection timeout for server communication).
Fixed notify and redirect: Avoid double notification checking if order has already been processed.
Minor fix for directdebit.
Changed readme with instructions for oscommerce 2.2 RC1.
V 3.3.0 (17-11-2016)
Added protection against sql injection in queries.
Added config options to use external Service form for direct debit, giropay and eps.
Added new widget for eps and giropay.
Added Paydirekt and SOFORT Überweisung payment methods.
Added table gc_transactions to save states of transactions and avoid double notifications.
Plugin and API Version are now shown in backend.
Fields are now shown in select payment page, not in confirmation page.