Shopify API 2026-04 breaks checkout extensions with undefined metafields

Shopify API 2026-04 update changes metafields behavior in checkout extensions.

Published 11sem1 sourceupdated 11sem

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The fact

Breaking change breaks applications relying on previous behavior without migration path.

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Rupture de compatibilité affectant les extensions checkout

Auto-synthesis from 1 media source · identified on April 25, 2026