Hi, we have issue after update, the when you do quick registration and right before payment the button is not working...

When we click on the checkout button it append the form '<form method="post" action="https://www.facebook.com/tr/"' before closing body tag and this form having a iframe, so checkout click first post this facebook form and not hitting the checkout form action

after click you can see at the bottom of browser facebook page is browsing but nothing happened