Magento 2.0.18 is the final 2.0.x release. After March 2018, Magento 2.0.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 Support Tools are designed to identify known issues in your system. They can be used as a resource during the development and optimization processes, and as a diagnostic tool to help our support team identify and resolve issues.