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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. September 2026

    Surface
    1. family_name is optional for B2B orders in Payments Apps API requests
      Payments Apps API
  2. April 2026

    Surface
    1. mTLS client certificate renewal for Payments Apps
      Platform
  3. March 2026

    Surface
    1. New rejection reason codes in Payments Apps API
      Payments Apps API
  4. February 2026

    Surface
    1. New rejection reason codes and merchant message added to verificationSessionReject mutation
      Payments Apps API
  5. July 2025

    Surface
    1. Payments App extensions deployment just got faster
      Payments Apps API
  6. June 2025

    Surface
    1. Deprecation of POST requests without a Content-Length or Transfer-Encoding: chunked header
      Action requiredGraphQL Admin API
  7. April 2025

    Surface
    1. Display modals after purchase
      Payments Apps API
    2. Session creation payloads now include ISO 3166-2 province codes
      Payments Apps API
    3. Stable GraphQL API versions to backfill enum values
      GraphQL Admin API
    4. Support for card not present transaction details in PaymentsApps API
      Payments Apps API
  8. March 2025

    Surface
    1. Expose payment detail fields for Payments Apps API
      Payments Apps API
  9. January 2025

    Surface
    1. Introduce 3DS support for verifications
      Action requiredPayments Apps API
    2. Addition of 'paymentDetails' field in verificationSessionResolve mutation.
      Payments Apps API
  10. December 2024

    Surface
    1. Deprecate customer_payment_method_remote_credit_card_create
      DeprecatedPayments Apps API
    2. Adding new revocation reasons for payment methods
      Payments Apps API
  11. November 2024

    Surface
    1. GraphQL Over HTTP
      GraphQL Admin API
    2. Content type application/graphql is deprecated
      Action requiredGraphQL Admin API