1. Cart.coupon.add and cart.coupon.codition.add methods have been added for Magento and WooCommerce.
2. Method cart.coupon.condition.add has been added for Shopify.
3. Filter coupon_ids has been added to cart.coupon.list method for Magento, Shopify and WooCommerce.
4. Cart.coupon.list method now returns list of codes.
5. The following methods have been optimized for XCart:
6. We've developed a plugin for WooCommerce, which makes it possible to work with webhooks for abandoned orders.