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Version 4.2.1
	- Fixed issue with css file that was being enqueued in every page.

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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.

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Version 4.1
    - Added additional error logging when creating a subscription.
    - Added support for configuring a note to be added to the subscriber.
    - Fixed a fatal error during feed processing when a list field is mapped to an entry property.
    - Fixed an issue where an Invalid Resource error would occur if the subscribers merge_fields property was included in the request when empty.
    - Fixed an issue with the note being urlencoded during merge tag processing.
    - Fixed users not being subscribed due to incorrect address formatting.
    - Increased number of merge fields returned for a list.
	- Updated feed processing to bypass override empty fields check for address fields.
    - Updated maximum number of category interests returned by the API.
    - Updated maximum number of interest groups returned by API.
    - Updated merge fields field map to only allow Address fields to be mapped to MailChimp address merge fields.
	- Updated strings for translations.
    - Updated subscription object to use existing member status where possible.

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Version 4.0
    - Added gform_mailchimp_subscription filter to modify subscription object.
    - Removed 3.0 upgrade page.
    - Removed send welcome email as feed settings option.
    - Updated API requests to use MailChimp API 3.0.

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Version 3.7.5
	- Fixed strings for translations

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Version 3.7.4
    - Fixed an issue with multi-input fields available for use with groups logic not including the inputs (i.e. Name and Address).

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Version 3.7.3
    - Updated the MailChimp API to support the WP_PROXY_HOST and WP_PROXY_PORT constants when configuring the cURL options.

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Version 3.7.2
    - Fixed an issue which was preventing feed processing aborting early if there is an issue with the MailChimp API.

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Version 3.7.1
    - Fixed an issue where the cached settings were not cleared when the add-on was uninstalled.
    - Fixed a rare issue for some server environments where several groups could be assigned the same settings key causing js issues in the feed editor.
    - Fixed an issue where the cached group setting keys could be lost when updating the API key on the plugin settings tab.

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Version 3.7
    - Added form and field specific versions of the gform_mailchimp_field_value filter.
    - Added logging of group condition evaluation.
    - Added $transaction, either Update or Subscribe, as the fifth parameter of the gform_mailchimp_args_pre_subscribe 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 to use GF_Field::is_conditional_logic_supported to determine which field types should be listed in the group condition fields drop down.
    - Fixed an issue with the feed list page if the API key not valid.
    - Fixed an issue with the location of the gform_mailchimp_args_pre_subscribe filter.
    - Fixed an issue with the upgrade routine which caused it run even if a pre-framework version hadn't been installed.
    - Remove plugin settings header and add line break after plugin settings description.

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Version 3.6
    - Added filter to allow changing parameters to the API method that returns the MailChimp Lists.
    - Added Spanish (es_ES) translation.
    - Fixed a low severity security vulnerability in the admin area which could be exploited by authenticated users with form administration permissions.
    - Fixed an issue with the members existing groups being lost if no new groups were selected and gform_mailchimp_keep_existing_groups is true.

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Version 3.5
    - Updated required version of Gravity Forms to 1.8.17.
    - Fixed an issue with Address fields where MailChimp would ignore the passed string if it did not contain the street address, city, state, or zip.

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Version 3.4
    - Added support for the middle name input when preparing Name field values.
    - Updated required version of Gravity Forms to 1.9.
    - Fixed an issue causing checkbox fields not to be mapped under certain conditions.
    - Fixed fatal error with PHP < 5.4.

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Version 3.3
    - Updated logging statements.
	- Updated the gform_mailchimp_field_value filter to have an additional parameter which includes the name of the custom mapped field.
	- Fixed issue causing address not to be mapped properly under certain scenarios.
	- Fixed Notice.
    - Fixed an issue with the concatenated string for Checkbox fields not being cleared before the next field is processed.
    - Fixed a warning when MailChimp interest groups aren't enabled on the list.

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Version 3.2
    - Added hook to allow args to be changed before sending submission to MailChimp.
        add_filter( 'gform_mailchimp_args_pre_subscribe', 'override_mailchimp_params', 10, 4 );
        function override_mailchimp_params( $params, $form, $entry, $feed ) {
            // do stuff

            return $params;
        }
    - Added hook to select whether empty mapped fields should override existing values on Mailchimp; defaults to override.
        add_filter('gform_mailchimp_override_empty_fields', '__return_false' );
    - Fixed issue where existing groups were not maintained for users already subscribed.
	- Fixed notice messages.
	- Fixed fatal error displayed on certain situations.

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Version 3.1
    - Fixed issue where grouping assignment was not working for already subscribed users
	- Fixed issue where a fatal error is displayed in certain situations
	- Fixed issue with upgrade that caused configuration not to be copied over in certain situations

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Version 3.0
    - Added integration with Add-On Framework
	- Added support for sending selected checkboxes as a concatenated string
	- Updated POT file
	- Updated required version of Gravity Forms to 1.8.17
	- Updated to MailChimp API version 2.0.
    - Updated files removing closing php tag at the end.
	- Fixed a warning when MailChimp interest groups aren't enabled on the list.

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Version 2.2
	- Updated phone number when set to standard format "(###)### - ####" to send in required format of ###-###-####

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Version 2.1
	- Added Name (Full) as an option to the field mapping list when the form has a Name field set to Normal or Extended format

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Version 2.0
    - Fixed PHP warnings when no API key was set
    - Added the gform_mailchimp_field_value filter to enable the value to be modified before being sent to the MailChimp API.
    - Added entry meta to the list of available field mappings
    - Fixed issue with group conditional logic not displaying all possible operators and value drop down correctly
    - Fixed issue with special character in main group name
    - Fixed issue with group conditional logic with non-selection field types
    - Added new hook "gform_mailchimp_allow_resubscription" which allows disabling support for resubscription
        add_filter('gform_mailchimp_allow_resubscription', '__return_false()');
	- Fixed issue saving group settings in admin when sub groups have the same name

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Version 1.9
    - Updated Group logic to keep existing groups.
    - Added filter to change logic back to overriding groups
        add_filter("gform_mailchimp_keep_existing_groups", "__return_false");
    - Updated to treat members as if they were a new subscribe request when currently set to a status on MailChimp's side of unsubscribed, pending, cleaned
    - Fixed issue with special characters in MailChimp Group names causing issues when creating feed.

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Version 1.8
    - Fixed issue with GetFieldValues() when used with groups; was returning full select when only options were required
	- Fixed notices
	- Fixed group names (commas in names are treated by MailChimp as a delimiter indicating multiple groups)

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Version 1.7
	- Fixed issue with some Mapped Fields not being passed (Entry Date, User IP, Source Url, Form Title)
    - Added new conditional logic options (greater than, less than, contains starts with, ends with) and support for other conditional fields
    - Fixed notices
    - Fixed issue when testing if email is already in the list

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Version 1.6.3
    - Added logging
    - Fixed notices
    - Fixed issue with single quotes on feed edit screen creating javascript errors

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Version 1.6.2
    - Fixed issue with sack script being initialized with an incorrect admin url.
    - Fixed issue that causing conflicts with feeds created by older versions of the plugin

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Version 1.6.1
    - Fixed issue that caused warnings to be displayed on feeds created by older versions.

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Version 1.6
    - Fixed issue where RG_CURRENT_PAGE constant was not available when GF is deactivated
    - Fixed noticed caused where $api variable not declared
    - Added support for MaiChimp Groups so that subscribers can be assigned to a group when added to a list.
    - Added Form Title to the list of fields to be mapped
    - Updated procedure that gets the MailChimp lists so that more than 25 lists are returned (up to 100).
    - Added integration with PayPal so that subscribers can be added only when payment is received

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Version 1.5
    - Updated API Wrapper to 1.3 (mini)
    - Removed blank strings from POT file to prevent error messages in Poedit

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Version 1.4
    - Cleaned up notices
    - Fixed issue when using Opt-in condition on a field with multiple single quote characters in the label
    - Fixed issue when creating a feed using forms with HTML markup in field labels

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Version 1.3.4
    - Cleaned up notices

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Version 1.3.3
    - Added "Cancel" button to Edit page and updated "Save" and "Update" button verbiage

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Version 1.3.2
    - Fixed issue with MailChimp lists being displayed as blank values. Taking into account different data formats returned by the API

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Version 1.3.1
    - Using new MailChimp PHP API wrapper (v. 1.2.6) when authenticating via an API Key

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Version 1.3
    - Added support for authentication via MailChimp API Key

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Version 1.2
    - Fixed issue with automatic upgrade on WP 3.0

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Version 1.1
    - Adding MailChimp capabilities to admin role upon plugin activation

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Version 1.0.beta-2
    - Added MailChimp icon
    - Renamed "Contact List" to "MailChimp List"

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Version 1.0.beta-1
    - Changed text on list page when settings haven't been configured
    - Created POT file

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Version 0.2
    - Map Fields column headers to ?List Fields? and ?Form Fields? and bol
    - Rename button to "Save Feed" for a new feed and "Update Feed" for an existing one
    - Settings page subnavigation to look like "Edit Forms" subnav (i.e. All | Active | Inactive) with no pipe at the end
    - Try adding menu item between Entries and Settings
    - Move "Add Feed" to top right (like posts page) and rename to "Add new"

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Version 0.1
    - Split logic from Feeds Add-On
    - Implemented automatic upgrade
    - Implemented list page checkboxes (for bulk actions)
    - Implemented active/inactive icons on list page

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