1. The support of the following methods has been added for WooCommerce API:
2. Order.abandoned.list method has been added for Wix.
3. Order.shipment.add and order.shipment.update methods have been added for Shopware 6+.
4. Order.update and subscriber.list methods have been added for Shopware API.
5. Category.list, category.info and category.count methods have been optimized for OpenCart.
6. API2Cart now works with Demandware through API v22.6.
7. Product.child_item.add, product.child_item.update and product.child_item.delete webhook events have been added for BigCommerce.
8. Tax.class.info method has been added for Magento 2 API.
9. Category.list, category.info and category.count methods have been added for Magento 2 API.