As of API version 2026-04, the ability to read and write checkout metafields in checkout and customer account UI extensions has been removed. Instead, checkout metafields have been replaced by cart metafields in checkout UI extensions and order metafields in customer account UI extensions.
Summary extracted from the official source text. Verify details on the source page.
| Platform | Shopify |
|---|---|
| Effective date | No date published |
| Precision | n/a |
| Published | 2026-04-27 |
| Categories | DeprecationBreaking / action required |
| Tags | 2026-04, API, Action Required, Checkout UI, Customer Accounts, Deprecation announcement |
| 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-c6258a438e · JSON |