---
title: Preview theme app extensions using Shopify CLI - 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/preview-theme-app-extensions-using-shopify-cli'
  md: >-
    https://shopify.dev/changelog/preview-theme-app-extensions-using-shopify-cli.md
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  primaryTag:
    displayName: Tools
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  secondaryTag:
    displayName: New
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  createdAt: '2022-09-20T15:43:00-04:00'
  postedAt: '2022-09-21T00:00:00-04:00'
  updatedAt: '2024-02-02T10:05:08-05:00'
  effectiveAt: '2022-09-21T00:00:00-04:00'
---

September 21, 2022

Tags:

* Tools

# Preview theme app extensions using Shopify CLI

As of Shopify CLI version 3.13.0, you can now preview [theme app extensions](https://shopify.dev/apps/online-store/theme-app-extensions) by running the `dev` command. Shopify CLI supports hot reloading for theme app extensions, so you can avoid refreshing the browser after making changes.

[Learn more about previewing theme app extensions](https://shopify.dev/apps/online-store/theme-app-extensions/getting-started#step-2-preview-your-theme-app-extension).