July 06, 2026 Action / breaking change

Customer Account API Customer.lastIncompleteCheckout and Checkout types removed in 2026-10

Action RequiredAPIBreaking API ChangeCustomer Account API2026-10

Shopify developer change

MerchantDiff detected this entry in Shopify's official developer changelog on July 06, 2026.

This Shopify update is categorized as Action Required, API, Breaking API Change, Customer Account API, 2026-10.

Use the official Shopify entry below as the source of truth for technical implementation details, affected APIs, migration instructions and deadlines.

Official source

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