Mailchimp for WooCommerce was updated to version 2.1.12, from version 2.1.11. Changelog:
- adds error handling for blocked admin-ajax.php files
- adds support for customer merge variables
- removes global variable overwrite of REMOTE_ADDR
- fixes signup form not adding customers to Mailchimp
- support for rate limiting
- PHP 7.0 requirement messaging
- support for WooCommerce 3.5.0
- ignores amazon marketplace addresses
- fixes cart entries never being removed