i am using WP 3.5.1, GF version 1.6.12 with PayPal Add-on version 1.6 for a couple of days now. Since I updated the submission on my multi-page forms does not work properly. Basicly the pre submission page freezes.
After hitting the submit button I receive correct confirmation mails of the order, but the ajax keeps keeps circling. There is no transmission to the confirmation page in the browser.
In case customers had been choosen PayPal as paying method the transmission to the PayPal sandbox does not happen as well.