# Shopify for Developers Standard storefront events and actions now support cart attributes

- Product: Shopify for Developers (https://whatsnew.fyi/product/shopify-developers)
- Vendor: Shopify
- Date: 2026-08-06
- Original notes: https://shopify.dev/changelog/events-and-actions-cart-attributes-support
- Permalink: https://whatsnew.fyi/product/shopify-developers/releases/feed-https-shopify.dev-changelog-events-and-actions-cart-att

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The updateCart standard action now updates cart attributes, and a new shopify:cart:attributes-update event fires whenever an attributes update is initiated. Before this, changing an attribute meant ca…

- **added** — New shopify:cart:attributes-update event fires whenever a cart attributes update is initiated
- **changed** — updateCart standard action now updates cart attributes