---
title: JavaScript Shopify Functions are now ~40% faster - Shopify developer changelog
description: >-
  Shopify’s developer changelog documents all changes to Shopify’s platform.
  Find the latest news and learn about new platform opportunities.
source_url:
  html: 'https://shopify.dev/changelog/javascript-shopify-functions-are-now-40-faster'
  md: >-
    https://shopify.dev/changelog/javascript-shopify-functions-are-now-40-faster.md
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  affectedApi: []
  primaryTag:
    displayName: Tools
    handle: tools
  secondaryTag:
    displayName: Update
    handle: update
  indicatesActionRequired: false
  createdAt: '2024-09-18T10:25:42-04:00'
  postedAt: '2024-09-18T10:19:00-04:00'
  updatedAt: '2024-09-18T10:28:43-04:00'
  effectiveAt: '2024-09-18T10:19:00-04:00'
---

September 18, 2024

Tags:

* Tools

# JavaScript Shopify Functions are now \~40% faster

As of Shopify CLI 3.67 and Javy 3.1, Shopify Functions built in JavaScript can see improved performance by as much as 40% when combined with [@shopify/shopify\_function 1.0](https://github.com/Shopify/shopify-function-javascript/releases/tag/v1.0.0)

Learn more about JavaScript for Shopify Functions on [Shopify.dev](https://shopify.dev/docs/apps/build/functions/programming-languages/javascript-for-functions).