- Returns & exchanges and Subscription apps with buyer‑facing self‑service must use the Customer Account API for authentication starting Dec 1 2026.
- Integrate the API to provide a single secure sign‑in across storefront, apps, and customer accounts; non‑compliant apps risk losing Built for Shopify status.
- Review the updated Built for Shopify requirements and implement the changes before the deadline.
Built for Shopify requirements for Returns and exchanges apps and Subscription apps (effective December 1, 2026)
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admin.app.intent.link intents now open as a full‑page navigation instead of an overlay modal
Adds cart session attribution and cart attributes for richer checkout data.
Added the `shop_campaign_insights` schema to ShopifyQL, letting apps query campaign performance data using the existing `shopifyqlQuery` field with the `read_reports` scope.