After July 2021, the 2.3.x release line no longer received quality updates or user guide updates. PHP 7.3 reached end of support in December 2021, and Adobe Commerce 2.3.x reached end of support in September 2022. We strongly recommend upgrading to Adobe Commerce 2.4.x to help maintain PCI compliance.

Operation Modes

This site contains archived merchant documentation for a version of Adobe Commerce and Magento Open Source that has reached end-of-support. The documentation available here is intended for historical reference only and is not maintained. The Adobe Commerce Merchant Documentation for current releases is published on the Adobe Experience League.

Your Commerce installation can be deployed to run in either production or developer mode. Some tools and configuration settings are designed specifically for developers, and can be accessed only while the store is running in developer mode.

Most topics in this guide apply to a Commerce installation that is running in production mode. However, the following configuration settings and topics can be used only when the installation is running in developer mode (each topic is marked with Developer Mode Only where applicable).

Configuration settings

See the Developer section of the Advanced configuration settings page for more info.

General topics

See the following pages for more information about non-configuration setting types of topics for Developer Mode only:

The operation mode can be changed only from the command line of the server by a user with appropriate permissions. See Set the operation mode in the developer documentation for more information.

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