Magento Open Source 2.1.x

Magento 2.1.x Notice: Magento 2.1.18 is the final 2.1.x release. After June 2019, Magento 2.1.x will no longer receive security patches, quality fixes, or documentation updates. To maintain your site's performance, security, and PCIPayment Card Industry: Refers to debit and credit cards and their associated businesses. compliance, upgrade to the latest version of Magento. The Magento User Guide 2.1.x remains available in PDF for Open Source and Commerce.

REFERENCE

This section of the guide contains release notes for the current and previous versions of Magento Open Source, configuration field descriptions, documentation change log, glossary, and documentation archive. Check back often, because the content is updated frequently.