WordPress 5 Cookbook

How it works...

The first step of the process is taking the backups of the database and files. These files can be used if something goes wrong in the process of resolving the error. In step 3, we checked the changelog to identify the changes in the new version. This is a very important step that can be used to prevent most errors before updating the theme/plugin. Generally, the changelog contains all the important changes. So, if the required WordPress or PHP version is changed, we can easily identify and resolve it by upgrading to the required versions.

In step 5, we compared the current version with the previous version using a file comparison software. This will allow us to identify changes in code or libraries that could create errors ...