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The Wire · Showcase

HYDROGEN 13.0.0 LANDS IN CLI, TEST SUITE GETS FILESYSTEM OVERHAUL

By RepoJournal · Filed · About Shopify

Shopify CLI is shipping Hydrogen 13.0.0, a major version bump that brings the latest Hydrogen release to developers running shopify hydrogen commands.

The CLI bundled @shopify/[email protected] [1], jumping two minor versions from 11.1.10 and pulling in all upstream Hydrogen improvements in one shot. This is the kind of dependency update that matters: it's not a patch, it's a feature release, so check the Hydrogen release notes to see what new capabilities you're getting. Meanwhile, the test infrastructure across CLI got a significant refresh [2][3]. Two test suites removed filesystem mocks entirely, replacing them with real temporary directories that run actual I/O operations. This pattern shift makes tests less brittle and more representative of what happens in production. The refactors hit extension.test.ts and include-assets-step.test.ts [4][5], eliminating coupling to implementation details and following the testing standards Shopify is standardizing across the codebase.

Action items

References

  1. [1] hydrogen/Bump cli-hydrogen to 13.0.0 (main) ↗ Shopify/cli
  2. [2] [Tests] Remove filesystem mocks in extension.test.ts ↗ Shopify/cli
  3. [3] [Tests] Remove filesystem mocks in include-assets-step.test.ts ↗ Shopify/cli
  4. [4] Merge pull request #7681 from Shopify/tests-remove-fs-mocks-extension-build-2100486209806891838 Shopify/cli
  5. [5] Merge pull request #7685 from Shopify/tests-remove-fs-mocks-include-assets-step-823741-11050273548128478750 Shopify/cli

FAQ

What changed in Shopify on July 3, 2026?
Shopify CLI is shipping Hydrogen 13.0.0, a major version bump that brings the latest Hydrogen release to developers running shopify hydrogen commands.
What should Shopify teams do about it?
Pull the latest CLI version to pick up Hydrogen 13.0.0 • Review Hydrogen 13.0.0 release notes for breaking changes before upgrading • Monitor test suite stability post-merge on the filesystem mock removals
Which Shopify repositories shipped on July 3, 2026?
Shopify/cli

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