WooCommerce Zapier WordPress plugin is fully compatible with WordPress 4.1.
With today’s release of WordPress 4.1, we are happy to report that the We tested the latest version of the WooCommerce Zapier plugin (version 1.4) with the brand new WordPress release, and no problems were identified.
See the System Requirements section of the documentation for more details.
We hope you’re enjoying automating you WooCommerce store!