Tooling Updates
Build with confidence: Shopify AI Toolkit's security check (opens in a new tab)
Shopify Dev· Oct 15, 2026· 8/10
Shopify AI Toolkit adds a security check command to scan apps for vulnerabilities.
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Every archived item sourced from Shopify Dev.
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Shopify Dev
Checkout footer visibility now applies to merchant-configurable content (opens in a new tab)
Shopify Dev· Oct 15, 2026· 7/10
Changelog updates checkout footer visibility to only affect merchant-configurable content, simplifying branding.
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Hydrogen 2026-10 is now available (opens in a new tab)
Shopify Dev· Oct 14, 2026· 9/10
Hydrogen GA release now supports any JavaScript framework, simplifying commerce integration.
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Add shopping and Shop Pay checkout to any agent with Shop MCP (opens in a new tab)
Shopify Dev· Oct 13, 2026· 8/10
Shop MCP now lets agents search the entire Shopify catalog and complete Shop Pay checkout with a single connection.
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Cart updates that result in no changes to the cart no longer trigger carts/update webhooks (opens in a new tab)
Shopify Dev· Oct 12, 2026· 7/10
Cart updates that no longer trigger carts/update webhooks when unchanged, reducing duplicate notifications.
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Detect when a POS extension screen finishes navigating (opens in a new tab)
Shopify Dev· Oct 12, 2026· 8/10
Adds navigatesuccess event to POS Navigation API, enabling detection when a screen transition completes.
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Identify the published version running in a POS extension (opens in a new tab)
Shopify Dev· Oct 12, 2026· 8/10
Introduces shopify.extension.version to identify the running extension version in POS UI extensions.
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Global Catalog REST API stops serving traffic on November 2, 2026 (opens in a new tab)
Shopify Dev· Oct 9, 2026· 9/10
Deprecates the Global Catalog REST API, urging migration to Global Catalog MCP before Nov 2.
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Catalog API now returns compare-at prices as `list_price` (opens in a new tab)
Shopify Dev· Oct 9, 2026· 8/10
Catalog API now exposes compare‑at prices as list_price, enabling apps to detect markdowns.
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New `owner_type` field for metafield declarations in Checkout and Customer Account UI extensions, required in 2027-01 (opens in a new tab)
Shopify Dev· Oct 8, 2026· 8/10
Requires an owner_type field for all metafield declarations in Checkout and Customer Account UI extensions starting 2027‑01, blocking deployments lacking it.
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Cart mutations reject unconfirmed writes in POS UI extensions 2026-10 (opens in a new tab)
Shopify Dev· Oct 7, 2026· 8/10
Breaking change: Cart mutations now reject unconfirmed writes in POS UI extensions 2026-10.
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POS UI extensions now return percentage values for percentage discounts (opens in a new tab)
Shopify Dev· Oct 7, 2026· 8/10
POS UI extensions updated to return percentage discount amounts correctly.
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Per-customer request limit for the Customer Account API (opens in a new tab)
Shopify Dev· Oct 7, 2026· 8/10
New per-customer rate limit of 3000 requests/min for Customer Account API.
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Downgrade app access scopes from write to read (opens in a new tab)
Shopify Dev· Oct 7, 2026· 8/10
New mutation to downgrade app access scopes from write to read in 2027-01.
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What's new in Polaris 2.0.0-rc.1 (opens in a new tab)
Shopify Dev· Oct 1, 2026· 8/10
Release notes for Polaris 2.0.0-rc.1 adding new components and performance fixes.
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New Shop Campaigns metrics and dimensions in ShopifyQL API version 2026-10 (opens in a new tab)
Shopify Dev· Oct 1, 2026· 8/10
Adds shop campaign metrics and dimensions to ShopifyQL API, enabling campaign-based insights in shop_campaign_insights and sales schemas.
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New tax fields for return shipping fees in the GraphQL Admin API (opens in a new tab)
Shopify Dev· Oct 1, 2026· 7/10
Introduces tax amount fields for return shipping fees in GraphQL Admin API, exposing calculated and finalized tax amounts.
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Return policy profiles are now available in the GraphQL Admin API (opens in a new tab)
Shopify Dev· Oct 1, 2026· 10/10
Return policy profiles added to GraphQL Admin API.
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New APIs for buyer-requested order edits (opens in a new tab)
Shopify Dev· Oct 1, 2026· 10/10
New APIs for buyer-requested order edits added.
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More control over commerce updates with Next Gen Events (opens in a new tab)
Shopify Dev· Oct 1, 2026· 8/10
Shopify's Next Gen Events, a successor to webhooks, is now generally available, offering finer-grained event filtering and payload control.
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Rollouts queries and webhooks in the Admin GraphQL API (opens in a new tab)
Shopify Dev· Oct 1, 2026· 8/10
Admin GraphQL API now exposes Rollouts queries and webhooks, letting apps monitor rollout schedules, traffic allocation, and resource changes.
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Discounts can now be included in Rollouts (opens in a new tab)
Shopify Dev· Oct 1, 2026· 8/10
Discounts are now part of Rollouts, allowing coordinated launches and testing of discount schedules alongside other store changes.
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Orders webhooks now include selling_plan_id on line items (opens in a new tab)
Shopify Dev· Oct 1, 2026· 8/10
Order webhook payloads now include selling_plan_id on line items, reducing the need for additional API calls to fetch subscription plan details.
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New fiscalDeviceIdentifier field on PointOfSaleDevice (opens in a new tab)
Shopify Dev· Oct 1, 2026· 7/10
PointOfSaleDevice now includes fiscalDeviceIdentifier, providing the Shopify-assigned fiscal register ID for compliance workflows.
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`metafieldInteger` collection condition removed in API version 2027-01 (opens in a new tab)
Shopify Dev· Oct 1, 2026· 7/10
metafieldInteger collection conditions are removed in 2027-01; developers must migrate to metafieldInt with string values.
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