<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
    <event name="customer_save_after_data_object">
        <!-- @DO - added - not needed - preventing customer email update with large number of orders -->
        <observer name="upgrade_order_customer_email" instance="Magento\Customer\Observer\UpgradeOrderCustomerEmailObserver" disabled="true" />
    </event>
</config>
