- Add support for MailChimp tags
- Add double opt-in for unsubscribed users that are resubscribing
- Add German translation
- Log API requests in the Formidable Logs
- Update the styling for the MailChimp icon in the form actions to better match 4.0
- Clean up the MailChimp form action settings
- Clarify the groups settings to make them a bit more intuitive
- Allow text fields to be selected for groups
- Show error messages along with the 'no mailing lists found' message for easier debugging