One of the biggest benefits of Magento is that its numerous out-of-the-box features can be easily extended with many more modules, created by Magento community. Although some extensions have an almost plug-and-play installation process, it’s much better to do it under control of a professional. We get requests for third-party Magento extension installation daily, and we accumulated a great experience of how to upgrade your website with new features while keeping it safe and high-performing. While there is no instruction to fit all different cases, here are some things to consider when installing new modules.
After the latest Database data format changes in Magento 2.2.x version, there is a need to convert existing PHP serialized data to JSON format. The new release provides upgrade scripts that convert Magento serialized data. But how to deal with custom extensions, which also use automatic serialization mechanism provided by Magento framework? Thankfully, Magento took care of that too.
We believe that almost every Magento developer had a chance to work on Magento upgrade to the latest version, and almost in all cases the developers could face with different bugs.
Therefore, we would like to share few solutions for fixing the common issues that may occur during upgrading Magento to 1.9 version.