When using API version 2026-04 or later, JSON type metafield writes will be limited to 128KB. Limits for all other metafield types remain unchanged ( current limits ). All apps that use JSON fields (prior to April 1st, 2026), will be grandfathered at the current 2MB limit.
Summary extracted from the official source text. Verify details on the source page.
| Platform | Shopify |
|---|---|
| Effective date | No date published |
| Precision | n/a |
| Published | 2026-02-19 |
| Categories | Breaking / action required |
| Tags | 2026-04, API, Action Required, Admin GraphQL API, Admin REST API, Breaking API Change, Customer Account API, Storefront API |
| 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-574a393754 · JSON |