The Hydrogen developer preview adds new capabilities to the toolkit and extends the ways developers can build Shopify storefronts: Cart session attribution: Carts and Customer Account sessions stay in step, so signed-in shoppers reach checkout with their saved details instead of a guest flow.
Summary extracted from the official source text. Verify details on the source page.
| Platform | Shopify |
|---|---|
| Effective date | No date published |
| Precision | n/a |
| Published | 2026-08-18 |
| Categories | Tracking & signal loss |
| Tags | API, Hydrogen, Update |
| Official source | Shopify developer changelog ↗ |
| Fetched | 2026-10-17T03:44:00+00:00 |
| First seen | 2026-10-17T01:05:46+00:00 |
| Status | Listed by the source |
| Stable ID | shopify-6ae2b6e1f2 · JSON |