Mage One Patches für Magento 1: MO-16, MO-17

Patch MO-16

This patch adds PHP 7.3 compatibility. We highly encourage you to upgrade your PHP version to benefit from performance improvements.

Patch MO-17

This patch improves the clearing of session data with parallel logins.

You can download these patches in your customer account at Everything you need to know about the issue and how to install it is explained there.