### 4.0.0 | 2023-12-20
- Fixed the PHP 8.2 creation of dynamic property deprecation notice that occurs on the settings page.
- Added support for async (background) feed processing to improve form submission performance.

### 3.9 | 2020-09-21
- Added support for Gravity Forms 2.5.


### 3.8 | 2020-03-10
- Added support for feed duplication.
- Added translations for Hebrew, Hindi, Japanese, and Turkish.
- Updated the API Key setting description.
- Fixed an issue where the Campaign Monitor API could ignore values passed from Multi Select fields.


### 3.7 | 2018-04-02
- Added security enhancements.
- Added logging statement.
- Added License GPL to plugin header.
- Updated Plugin URI and Author URI to use https.


### 3.6 | 2018-01-05
- Fixed the string replacement for the Contact List tooltip.


### 3.5 | 2017-05-23
- Fixed a fatal error which could occur with PHP 7.1 when preparing the checkbox field value.
- Fixed a fatal error with PHP < 5.5.
- Fixed strings for translations.
- Updated API library to work with PHP 7+.


### 3.4 | 2015-08-07
- Added form specific version of the *gform_campaignmonitor_override_blank_custom_fields* filter.
- Added form specific version of the *gform_campaignmonitor_override_subscriber* filter.
- Added form and field specific versions of the *gform_campaignmonitor_field_value* filter.
- Updated minimum Gravity Forms version to 1.9.3.
- Updated 'Opt-In Condition' setting label to 'Conditional Logic'.
- Updated feed processing to use get_field_value() when retrieving mapped field values, enabling support for GF_Field::get_value_export with GF 1.9.12.4 and later.
- Updated 'API Client ID' label on plugin settings page to 'Client API Key' so it's consistent with the wording used by Campaign Monitor.
- Fixed an issue with the feed list page if the API key not valid.
- Fixed a PHP notice if no clients are configured in the Campaign Monitor account.
- Fixed an issue with the upgrade routine which caused it run even if a pre-framework version hadn't been installed.


### 3.3 | 2015-04-20
- Added support for the middle name input when preparing Name field values.
- Updated logging statements.
- Fixed a low severity security vulnerability in the admin area which could be exploited by authenticated users with form administration permissions.
- Fixed issues with multi-select fields not sending data in the expected format
- Fixed issue where client list was displayed even when API Client ID was entered.


### 3.2 | 2014-11-21
- Added *gform_campaignmonitor_override_subscriber* filter to allow users to modify or add subscriber parameters sent to the Campaign Monitor API.
- Fixed issue where email address mapping was not being required.
- Fixed issue during upgrade that prevented data from being transfered to new structure under certain situations.


### 3.1 | 2014-11-04
- Fixed issue during upgrade that prevented data from being transfered to new structure under certain situations.


### 3.0 | 2014-10-27
- Added Add-on Framework integration.
- Added function *gf_campaignmonitor* to easily get a Campaign Monitor instance.
- Added missing *gform_campaignmonitor_override_blank_custom_fields* hook.
- Added *gform_campaignmonitor_field_value* filter to allow add-ons to modify values sent to the Campaign Monitor API.
- Added text domain/path to header.
- Updated Campaign Monitor API to version 4.0.0 to fix some conflicts with other active plugins using Campaign Monitor.
- Updated required version of Gravity Forms to 1.8.17.
- Updated POT file.
- Fixed notices.


### 2.3
- Fixed bug that threw a javascript error in TruncateMiddle function when text was undefined (this could happen in some instances when a label was not specified for a field).
- Fixed headers already sent issue by removing blank lines at the end of files.


### 2.2
- Updated Campaign Monitor API to version 2.5.2.
- Updated "Resubscribe" UI to use a label so clicking the text also checks the corresponding checkbox.


### 2.1 | 2013-02-08
- Updated AJAX URL to resolve conflict when site is running under SSL.
- Updated marking the entry as subscribed to only be when the optin condition is met.
- Fixed issue with special characters in Campaign Monitor field names causing items to not map.
- Removed extraneous call to non-existant function: $api->listMergeVars().
- Fixed issue where serialisation function not checked if already exists.


### 2.0 | 2012-06-27
- Added logging support.
- Added support for Manage WP.
- Added new conditional logic options (greater than, less than, contains starts with, ends with) and support for other conditional fields.
- Fixed notices.
- Fixed issue where product name was overriding full name for subscribers.
- Added integration with PayPal so that subscribers can be added only when payment is received.
- Fixed localization issue with some strings.
- Fixed issue where RG_CURRENT_PAGE constant was not available when Gravity Forms was deactivated.


### 1.9 | 2011-11-01
- Fixed issue with broken function_exist conditional in API.


### 1.8.1
- Wrapped all API classes in class_exists() conditional for compatibility with other plugins using the same API.


### 1.8 | 2011-06-23
- Updated API wrapper so that it is compatible with v.3 of the Create Send API.
- Removed blank strings from POT file.


### 1.7 | 2011-06-21
- Added ability to map checkbox fields.
- Removing price from Product fields (drop down and radio field types), so that only the Product name is sent to Campaign Monitor.
- Cleaned up debug Notice messages.


### 1.6 | 2011-04-25
- Fixed issue when using condition on a field with multiple single quote in its label.


### 1.5 | 2011-04-13
- Fixed issue when creating a feed using forms with HTML markup in field labels.
- Added logic to prevent Campaign Monitor API classes from being loaded if it is already loaded by another plugin.
- Third Party Modification: Check if Services_JSON class exists (line 3, apiclassesserialisation.php).
- Added "Cancel" button to Edit page and updated "Save" and "Update" button verbiage.


### 1.4 | 2010-12-15
- Upgraded to Campaign Monitor API v3.
- Added API Client ID option in settings to limit the Add-On to the specified client.


### 1.3 | 2010-12-15
- Fixed issue with name fields (when cofigured with "Simple" type) from being exported.


### 1.2 | 2010-12-15
- Fixed automatic upgrade issue with WP 3.0.


### 1.1 | 2010-12-15
- Fixed issue with client drop down when there was only one client configured in Campaign Monitor.


### 1.0 | 2010-12-15
- Updated POT file.


### 0.2 | 2010-12-15
- Adding Campaign Monitor capabilities to admin role upon plugin activation.
- Fixed bug with condition when drop down item did not have the value property set.


### 0.1 | 2010-12-15
- Initial.
