Magento team has released Magento Open Source 2.2.4 on May 2nd, 2018. This release includes new tools and numerous functional fixes and enhancements, plus a substantial number of contributions from the wider Magento community. Unfortunately, the newest version met error when installing and upgrading from the older Magento 2 version. Now, let's scroll down to see what're improvements in the Magento 2.2.4 and error!