Standard storefront events and actions now support cart attributes
UpdateUnverifiedAdded Sep 24, 2026
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 calling the Storefront API yourself, and nothing told your app when one changed.
Topics: Developer tools
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| Aug 5 | Draft order and transfer/shipment inventory is moving from reserved to committedunverified Update | Update |
| Aug 5 | WebMCP support for Liquid and Hydrogen storefrontsunverified Preview | Preview |
| Aug 3 | Oxygen is now available on development storesunverified Update | Update |
| Aug 3 | The `orderCreate` mutation now supports multiple tracking numbers for each fulfillmentunverified Update | Update |
| Aug 10 | Shop Campaigns performance data now available via ShopifyQLunverified Update | Update |
| Aug 1 | Updated Built for Shopify requirements for Fulfillment services appsunverified Update | Update |
| Jul 31 | Hydrogen developer preview update: July 30, 2026unverified Preview | Preview |
| Jul 31 | New fields for cash management activities and drawers in POSunverified Update | Update |
Also shipped on Aug 6, 2026
Shopify in August 2026
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