Version 4.2
- Added additional logging when checking if a user's subscription status.
- Added existing member object as sixth parameter of "gform_mailchimp_subscription" filter.
- Fixed PHP warning when attempting to check for existing interests when member did not belong to any interest categories.
- Fixed Fatal error that happened in certain situations.
- Fixed existing interest categories not being properly associated to subscription object.
- Fixed an issue with subscriptions not being created due to empty merge fields.
- Fixed an issue which could prevent the feed groups being converted to interest categories when upgrading from older versions of the add-on.
- Fixed inability to use double opt-in with existing memebers.
- Fixed API response error handling; API key was incorrectly shown as valid when a 403 Forbidden error was returned.
- Fixed an issue with the field value used for interest category logic evaluation.
- Restored GFMailChimp::get_group_setting_key() for use when upgrading from older versions of MailChimp Add-On.
- Restored double opt-in support for members who are being resubscribed to a list they are unsubscribed from.
- Disabled double opt-in support for members who are being resubscribed to a list they are unsubscribed from. (Member will be automatically subscribed to the list. This is a temporary workaround for an issue with the MailChimp API.)
- Re-introduced support for "gform_mailchimp_keep_existing_groups" filter.
