MailChimp for WooCommerce was updated to version 2.1.6, from version 2.1.5. Changelog:
- moved to an autoloader for performance enhancement
- flush database tables on un-installation to assist with stale records in the queue
- turn on standard debugging by default to help troubleshoot issues
moved the plugin button to the left main navigation - allow store owners to select the image size being used for products
- fix paypal new order bug where it did not send on initial placement
- add additional configuration success checks for the plugin being configured before pushing any jobs into the queue
- fix the multisite network activation issue
- hide the opt in checkbox for already logged in customers that were previously subscribed
- miscellaneous UI enhancements