When you use both the registration and login widgets on the same page and someone registers, the success message is posted to both widgets whereas it should only go to the registration widget.
It does it on my site as well as this one.

Also: Is there a way to use HTML in custom text you add to fields in the Form-Editor? I’d like to have a message saying “if you don’t receive an email please contact us at myemail@whatever.com” Currently any HTML I add causes the whole thing to disappear.