Magento Commerce 2.0.3 Release Notes
Please note that Magento Commerce 2.0.3 has been replaced by Magento 2.0.4. This release includes all of the security enhancements and performance improvements of Magento 2.0.3, in improved packaging. You must download and install 2.0.4 to ensure that you receive all the security enhancements of 2.0.3. Please see Magento Commerce Release Notes for download information.