SKU custom fields populated from product variant metafields. This means that you can now leverage any of these attributes in your Nosto templates. You can also leverage these in the include-exclude filtering.
Update Nosto cart tagging from Shopify's cart by calling
Nosto.reloadCart(). If your store has an AJAX add-to-cart functionality, you must invoke
Nosto.reloadCart()to reload the recommendations on the page to reflect the new contents of the customer's shopping cart.