New field deliveryAddressPreferences added to cart buyer identity objects

You can now use the Storefront API to attach shipping address preferences to the carts of non-logged-in customers and the fetch cart delivery groups.

ThedeliveryAddressPreferences field has been added to the Storefront API's CartBuyerIdentity and CartBuyerIdentityInput objects, for this purpose.

Refer to our documentation on cartCreate and cartBuyerIdentityUpdate to learn more about how to create a cart or update a cart's buyer identity to send delivery address preferences.