I just released version 1.3.5 of the Redsys plugin for WooCommerce that you can find on WordPress.org.
This version is a maintenance release that only fixes the issue where if there is a payment error in Redsys, the order is canceled in WooCommerce. For some reason, this had been removed in a previous version.
Now, if the cancel button is pressed in Redsys, or there is any other type of error, the order will be canceled. I remember that in the Premium version of Redsys from WooCommerce.com, in addition to being canceled, the error that occurred is specified, and an email is sent to the administrator notifying them (if this functionality is activated).
