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Shopify orderUpdate recalculates taxes when an unfulfilled order's shipping address changes, as of 2026-10 ​

Provider
Shopify
Endpoint
POST /admin/api/{version}/graphql.json
Effective
2026-10-01
Severity
medium
Change
version-sunset
Status
unverified (secondary reports only; SHAPI does not open fix PRs for it)

What changed ​

As of Admin API version 2026-10, changing the shipping address of an unfulfilled order with orderUpdate recalculates its taxes and totals against the new destination. Before, the tax lines were left unchanged.

What to do ​

After updating a shipping address, read the order's taxLines, totalTaxSet and totals again instead of assuming they are unchanged; reconcile any amounts your app stored.

Sources ​

Check your code ​

bash
npx shapi-cli scan .

shapi scan lists the call sites this change affects; shapi fix repairs them test-first when the advisory has an automatic fix. All advisories · Markdown · OSV · JSON