Gravity Forms Authorize.Net Add-On was updated to version 2.5, from version 2.4. Changelog:
- Added security enhancements.
- Added GPL to plugin header.
- Fixed a fatal error which could occur if the subscription object was not returned by the gform_authorizenet_subscription_pre_create or gform_authorizenet_before_start_subscription filters.
- Updated Plugin URI and Author URI to use https.