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Hydrogen 2026-10 is now available

The new Hydrogen is now GA: A framework-agnostic JavaScript library to add Shopify commerce to your existing stack, plus skills for coding agents and starters for React Router and Next.js.
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Changelog
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Surfaces & APIs

Versions

Change type

  1. October 2026

    Surface
    1. Per-customer request limit for the Customer Account API
      Customer Account API
    2. SMS marketing consent now available on the CustomerPhoneNumber object
      Action requiredAdmin GraphQL API

  2. September 2026

    Surface
    1. Customer Address APIs now support countryCode
      DeprecatedCheckout UI

  3. July 2026

    Surface
    1. Customer Account API Customer.lastIncompleteCheckout and Checkout types removed in 2026-10
      Breaking changesCustomer Account API
    2. Discount application information now available for draft orders on the Customer Account API
      Customer Account API
    3. discountedUnitPrice on DraftOrderLineItem Customer Account API deprecation
      DeprecatedCustomer Account API

  4. June 2026

    Surface
    1. WhatsApp marketing consent now available in the Admin API and Customer Account API
      Action requiredAdmin GraphQL API
    2. Headless checkout SSO is now documented with sso=silent
      Customer Account API

  5. April 2026

    Surface
    1. Line item component information now available for draft orders on the Customer Account API
      Customer Account API

  6. February 2026

    Surface
    1. Support for market-aware auth URLs in Customer Account API
      Customer Account API
    2. JSON metafield values limited to 128KB
      Breaking changesAdmin GraphQL API

  7. January 2026

    Surface
    1. New Return Reason Definitions API for Better Return Insights
      Admin GraphQL API
    2. Metafield references added to Customer Account API
      Customer Account API

  8. September 2025

    Surface
    1. New balance and due status fields for PaymentSchedule
      Admin GraphQL API
    2. Store credit now supports company locations as account owners in Admin and Customer APIs
      Admin GraphQL API

  9. August 2025

    Surface
    1. New: Support for nested cart lines
      Functions

  10. July 2025

    Surface
    1. Hydrogen deploys automatically add preview URLs to Customer Account API application setup
      Customer Account API
    2. Customer Account API now includes subscription discount data
      Customer Account API

  11. June 2025

    Surface
    1. Deprecation of POST requests without a Content-Length or Transfer-Encoding: chunked header
      Action requiredAdmin GraphQL API

  12. May 2025

    Surface
    1. New filter options added to orders connection in Customer Account API
      Customer Account API
    2. The UnitPriceMeasurementMeasuredUnit enum now includes imperial units and counts
      Breaking changesAdmin GraphQL API

  13. April 2025

    Surface
    1. @inContext directive added to the Customer Account API
      Customer Account API
    2. New field fulfillmentStatus added to the Order type of the Customer Account API
      Customer Account API

  14. February 2025

    Surface
    1. Reserved prefix protection for metafields and metaobjects
      Admin GraphQL API
    2. New event and origin fields for store credit transactions
      Customer Account API
    3. Removing unnecessary RELEVANCE sort options
      Breaking changesAdmin GraphQL API

  15. January 2025

    Surface
    1. New creation, update, and status filters for subscriptionContracts
      Admin GraphQL API
    2. New fields to represent product bundles in a grouped view
      Admin GraphQL API
    3. Deprecation of storefrontCustomerAccessTokenCreate Mutation
      DeprecatedCustomer Account API

  16. December 2024

    Surface
    1. Returns now supported in Customer Accounts API
      Customer Account API

  17. November 2024

    Surface
    1. Add PickupAddress for subscription contracts in customer API
      Customer Account API
    2. GraphQL Over HTTP
      Admin GraphQL API
    3. Content type application/graphql is deprecated
      Action requiredAdmin GraphQL API