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New `owner_type` field for metafield declarations in Checkout and Customer Account UI extensions, required in 2027-01

doc:019fb619-9b4a-74ac-a83e-3ffa98844fb4::feed/https://shopify.dev/changelog/metafield-owner-types-required-for-checkout-and-customer-account-ui-extensions
Product
Shopify Admin GraphQL API
Source
Feed
Change kind
Feed Entry
Detected
Last updated

Deterministic evidence

Before / after

Extracted from Shopify's published contract. Open the source ↗

−1+81 change

1 / 1
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{
"content_hash": "0b5bb1b3273cbd66926dc0b93bd33bf23c1c5d460a8100f3c28e84f6678b9c02",
"excerpt": "Starting with API version 2026-10, Checkout and Customer Account UI extensions can specify an owner_type for each metafield declaration in shopify.extension.toml. Starting with API version 2027-01, owner_type is required for every metafield declaration, and deployments without it will be blocked. What changed Metafield declarations in [[extensions.metafields]] and [[extensions.targeting.metafields]] accept a new owner_type property. owner_type names the resource that owns the metafield, such as…",
"identity": "https://shopify.dev/changelog/metafield-owner-types-required-for-checkout-and-customer-account-ui-extensions",
"link": "https://shopify.dev/changelog/metafield-owner-types-required-for-checkout-and-customer-account-ui-extensions",
"published_at": "2026-10-08T17:00:00Z",
"title": "New `owner_type` field for metafield declarations in Checkout and Customer Account UI extensions, required in 2027-01"
}

Interpreted documentation change

What the vendor announced

The evidence describes a documentation changelog entry announcing a new owner_type field for metafield declarations in Shopify Checkout and Customer Account UI extensions. It specifies that starting with API version 2026-10 the field can be specified, and starting with API version 2027-01 the owner_type becomes required for every metafield declaration with deployments without it blocked. The change is documented as a new property for metafields under extensions.metafields and extensions.targeting.metafields.

New `owner_type` field for metafield declarations in Checkout and Customer Account UI extensions, required in 2027-01 Starting with API version 2026-10, Checkout and Customer Account UI extensions can specify an owner_type for each metafield declaration in shopify.extension.toml. Starting with API version 2027-01, owner_type is required for every metafield declaration, and deployments without it will be blocked. What changed Metafield declarations in [[extensions.metafields]] and [[extensions.targeting.metafields]] accept a new owner_type property. owner_type names the resource that owns the metafield, such as…

Deadline Jan 1, 2027Vendor source ↗

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Multi-source correlation

Other Shopify findings correlated with this change across sources.

  1. Info
    SDK release 15.0.1sdk:npm/@shopify/shopify-api@15.0.1
    Shopify Admin GraphQL API
  2. Deprecation
    SDK version 13.0.0 yankedsdk:npm/@shopify/shopify-api@13.0.0
    Shopify Admin GraphQL API
  3. Info
    SDK release 15.0.1sdk:npm/@shopify/shopify-api@15.0.1
    Shopify Admin GraphQL API