MailChimp for WooCommerce was updated to version 2.1.10, from version 2.1.9. Changelog:
- skip product when no variant can be loaded
- better validation for the view order url
- Add Initial sync label on Sync Tab
- Multisite Delete and deactivate improvements
- Mailchimp Order Notification issues support for downloadable and virtual products
- http worker lock improvement
- Add documentation about Multisite setup
- Add documentaiton for on-demand syncing