January 2026 release
February 9, 2026
The Hydrogen January 2026 release (v2026.1.0) updates the Storefront API and Customer Account API to 2026-01. This is a quarterly API version bump with no Hydrogen-specific feature changes.
Review the Storefront API 2026-01 changelog and Customer Account API 2026-01 changelog for details on what changed at the API level, including a now-required discountCodes argument on the cartDiscountCodesUpdate mutation. See the full release notes on GitHub for the complete list.
To take advantage of all the latest features and improvements in Hydrogen, run npx shopify hydrogen upgrade.
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