* Fix - Prevent PHP errors on admin pages when the gateway is misconfigured in WordPress 5.2 and lower * Fix - Ensure enhanced admin notes for gateway misconfiguration are removed on plugin deactivation
* Fix - Don't validate payment fields on page load in WooCommerce 3.9.2+ * Misc - Add support for WooCommerce 4.0
* Fix - Send the taxable status of order items in API transactions
