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The Wire · Showcase

CLI-KIT TESTS JUST GOT REAL

By RepoJournal · Filed · About Shopify

Shopify's CLI now has unit tests for its timing utilities, closing a gap that could have bitten you in production.

Gonzalo Riestra landed unit tests for the `hrtime` utility in `@shopify/cli-kit` [1], covering `startHRTime` and `endHRTimeInMs` [1]. The merge [2] and its associated commits [3] make the timing paths in the CLI kit verifiable, so regressions in performance-sensitive code get caught in CI, not in a merchant's checkout flow. If you've ever had timing weirdness in your Shopify CLI plugins, this is the kind of foundational cleanup that prevents future surprises. Ship your next deploy without worry: the team checked cross-platform impacts (Mac, Linux, Windows) [1], so no platform surprises lurking. With 5 commits and 1 PR across Shopify/cli in the last 24 hours, this is a focused, deliberate addition. Skip the upgrade sprint unless you maintain CLI extensions, but do eyeball the test coverage if you touch `cli-kit` internals.

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Action items

References

  1. [1] [Tests] Add unit tests for hrtime utilities ↗ Shopify/cli
  2. [2] Merge pull request #8051 from Shopify/tests-hrtime-utils-11795562735304887944 Shopify/cli
  3. [3] [Tests] Add unit tests for hrtime utilities Shopify/cli

Quick answers

What shipped in Shopify on August 25, 2026?
Shopify's CLI now has unit tests for its timing utilities, closing a gap that could have bitten you in production. In total, 5 commits and 1 pull requests landed.
Who contributed to Shopify on August 25, 2026?
1 developer shipped this update, including gonzaloriestra.
What were the notable Shopify updates?
[Tests] Add unit tests for hrtime utilities, Merge pull request #8051 from Shopify/tests-hrtime-utils-11795562735304887944, and [Tests] Add unit tests for hrtime utilities.

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