Modules in Drupal 8 provide configuration YAML files inside their config/install
directory. A consequence of the site controlling configuration is that a new configuration in a module's config/install
directory is not automatically installed. Module developers must write update functions, which will import the new configuration as it is added. While this is a practice contributed modules should follow, this process can be cumbersome for private projects.
Luckily, the Drupal community has come up with a solution that provides a configuration management flow that allows updating of a module's provided default configuration. The module Configuration Update Manager allows you to import a new configuration from a module or revert it to the original configuration if modified. In fact, the module is a dependency for the Features module discussed in Chapter 4, Extending Drupal.
In this recipe, we will use Configuration Update Manager to review configuration...