* Fix – Prevent critical error when an invalid time is set in Fixed time workflows.

* Fix – Sanitization for settings.

* Update – FedEx Rate Service WSDL to version 31.

* Add – Support for High-performance Order Storage (“HPOS”) (formerly known as Custom Order Tables, “COT”).
* Add – Declare compatibility with High-Performance Order Storage (“HPOS”).
* Fix – Ensure custom messages get added to the pre-order completion email.
* Fix – Improve variable type checking.
* Fix – Set correct order status to when complete payment for failed pre-order.
* Tweak – Bump minimum WP version to 5.6.
* Tweak – Bump minimum PHP version to 7.0.
* Tweak – Bump minimum WC version to 6.0.
* Tweak – Bump WC tested up to version to 6.8.
* Fix – Pre-Orders list table filters.
* Fix – Sanitize product filter
* Update – Use is_checkout() instead of WOOCOMMERCE_CHECKOUT when removing unsupported gateways.
* Add – Show private pre-order products list to perform the pre-order actions.
* Fix – Pre-Orders list table filters.
* Tweak – Additional HPOS compatibility updates.
* Tweak – Bump WordPress “Tested up to” version to 6.1.
* Tweak – Nonce validation and redirection logic