ACP2E-4626: Storefront JavaScript files loading twice causing duplicate loads and unstable behavior

The ACP2E-4626 patch fixes the issue where storefront JavaScript files are requested and executed twice, causing intermittent duplicate loads and unstable behavior.
After the fix, JavaScript dependencies are loaded only once, eliminating duplicate requests while preserving existing mixin functionality. This patch is available when the Quality Patches Tool (QPT) 1.1.80 is installed. The patch ID is ACP2E-4626. Please note that this issue is scheduled to be fixed in Adobe Commerce 2.4.9.

Affected products and versions

The patch is created for Adobe Commerce version:

  • Adobe Commerce (all deployment methods) 2.4.8-p3

Compatible with Adobe Commerce versions:

  • Adobe Commerce (all deployment methods) 2.4.7 - 2.4.8-p5
NOTE
The patch might become applicable to other versions with new Quality Patches Tool releases. To check if the patch is compatible with your Adobe Commerce version, update the magento/quality-patches package to the latest version and check the compatibility on the Quality Patches Tool: Search for patches page. Use the patch ID as a search keyword to locate the patch.

Issue

Issue where some Storefront JavaScript files were being requested and executed twice, which caused intermittent duplicate loads and unstable behavior. After the fix, dependencies load only once, eliminating duplicate requests while preserving existing mixin functionality."

Prerequisites:

  1. MSI is installed.

Steps to reproduce:

  1. Open any storefront page in the browser.

  2. Open the browser DevTools and select the Console tab.

  3. Run the following command.

    code language-none
    require.config({ deps: ['mage/common'] });
    

Expected results:

No duplicate loads occur. The call returns the required function, and no new script requests are generated.

Actual results:

New requests appear in the Network tab (e.g., mage/common.js, requirejs/domReady.js, jquery.js).

Apply the patch

To apply individual patches, use the following links depending on your deployment method:

To learn more about Quality Patches Tool, refer to:

recommendation-more-help
commerce-operations-help-tools