* Fix-Improve Background Job Handler compatibility with newer WooCommerce versions while processing a job queue
* Fix-Replace deprecated `is_ajax()` function calls with `wp_doing_ajax()`
* Misc-Require WooCommerce 3.9.4 or newer

* Fix-Replace deprecated `is_ajax()` function calls with `wp_doing_ajax()`
* Misc-Require WooCommerce 3.9.4 or newer

* Tweak-Improved the validation of the delivery fields during checkout.
* Fix-Fixed the ‘State’ selector field in the delivery calendar dialog.

* Fix-Process GoCardless webhook events asynchronously.
* Tweak-Bump minimum WP version to 5.6.
* Tweak-Bump minimum PHP version to 7.0.
* Tweak-Bump minimum WC version to 6.0.
* Add-Support for “Admin Change Payment Method”.
* Add-Support for Subscription Import/Export payment metadata for automatic future payments.
* Add-Support for CAD/Canada and USD/United States.
* Fix-Fix PHPCS issues in the repo.
* Tweak-Bump WC tested Up to 6.8.

* Fix-Improve handling of orders cancelled by the Hold stock timer
* Fix-Replace deprecated `is_ajax()` usages with `wp_doing_ajax()`
* Fix-Ensure billing data is retrieved correctly when processing business eChecks
* Fix-Show card brand name in admin order transaction notes
* Misc-Require WooCommerce 3.9.4 or higher