{
 "id": "shopify-9b068e95b8",
 "platform": "shopify",
 "title": "New `owner_type` field for metafield declarations in Checkout and Customer Account UI extensions, required in 2027-01",
 "summary": "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.",
 "categories": [
  "breaking_change"
 ],
 "tags": [
  "2026-10",
  "API",
  "Action Required",
  "Checkout UI",
  "Customer Accounts",
  "Update"
 ],
 "published_date": "2026-10-08",
 "effective_date": null,
 "effective_date_precision": null,
 "source_url": "https://shopify.dev/changelog/metafield-owner-types-required-for-checkout-and-customer-account-ui-extensions",
 "source_name": "Shopify developer changelog",
 "fetched_at": "2026-10-17T03:44:00+00:00",
 "collector": "shopify/changelog",
 "first_seen": "2026-10-17T01:05:46+00:00",
 "in_source": true,
 "last_seen_in_source": "2026-10-17T03:44:00+00:00",
 "upcoming": false,
 "url": "https://adstackwatch.com/changes/shopify-9b068e95b8/"
}