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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. New SubscriptionContractCalculation API for subscription management
      Action requiredAdmin GraphQL API

  2. September 2026

    Surface
    1. Use app intents for your discount app
      Functions
    2. Delivery options in Shopify Functions input now expose their metafields
      Functions
    3. Discounts Allocator Function API developer preview has ended
      Action requiredAdmin GraphQL API

  3. July 2026

    Surface
    1. createdAt is now available on the Customer object in Shopify Functions
      Functions

  4. June 2026

    Surface
    1. New Collection model and APIs now available
      Action requiredAdmin GraphQL API
    2. Shop User Metafields in Shopify Functions
      Functions

  5. May 2026

    Surface
    1. Ship and pickup in one order now available in feature preview
      Action requiredAdmin Extensions

  6. April 2026

    Surface
    1. Shopify Scripts will be deprecated on June 30, 2026
      DeprecatedFunctions
    2. Add Prerequisites to Product Discount Functions
      Functions
    3. Metaobject access in Shopify Functions
      Functions
    4. Cart and checkout validation adds billing address and PO number error targets
      Functions

  7. March 2026

    Surface
    1. Enhanced discounts support in the Shopify Functions Cart
      Functions

  8. December 2025

    Surface
    1. Discount Function support for rejecting discount codes
      Functions
    2. Venmo and PayPal are now treated as separate payment methods
      Breaking changesFunctions
    3. Binary testing for Shopify Functions
      Tools

  9. October 2025

    Surface
    1. Introducing functionHandle for Shopify Functions
      DeprecatedFunctions

  10. September 2025

    Surface
    1. Your app may be affected by remote products
      Breaking changesTools

  11. August 2025

    Surface
    1. New: Support for nested cart lines
      Functions

  12. June 2025

    Surface
    1. Standardized target and operation names across Function APIs
      Functions
    2. Use cart.deliveryGroups.groupType in Function APIs to determine the type of delivery group
      Functions
    3. Cart metafields are accessible in Shopify Functions and Checkout UI extensions
      Functions
    4. Define payment terms conditionally at checkout
      Functions

  13. May 2025

    Surface
    1. Shopify Functions WebAssembly query API
      Functions
    2. Shopify Functions support in Dev Assistant and the shopify.dev MCP server
      Functions
    3. New reference documentation for Shopify Function APIs
      Functions
    4. POS-specific Shopify Function logic
      Functions
    5. Shopify Functions can execute up to 25 functions in a single batch
      Functions
    6. Introducing the new Discount Function API
      Functions
    7. Network access support for Discount Functions
      Functions
    8. Deprecating gates types and fields across the GraphQL Admin, Storefront, and Functions APIs
      Action requiredAdmin GraphQL API

  14. January 2025

    Surface
    1. Add tax validation with localizedFields in Checkout UI Extensions & Functions
      Admin GraphQL API