- Added security enhancements.
- Added GPL to plugin header.
- Updated API library to public property in support of MailChimp block.
- Updated Plugin URI and Author URI to use https.
- Fixed the MailChimp API returning a validation error for list date fields set to the DD/MM/YYYY format.
- Fixed existing member retaining a status of cleaned or transactional instead of changing to pending or subscribed.
- Fixed birthday and date merge fields not being sent in the defined date format.
- Fixed an issue with the member status on resubscription to the list.
- Fixed PHP notice if the interests are not returned by the MailChimp API for the existing member.
- Fixed issue with css file that was being enqueued in every page.
