If you are using theme_get_settings, such as: $value = trim(theme_get_setting('my_setting')); Then in your code editor you will also be seeing undefined  function 'theme_get_setting'.  This function has been deprecated for some time.   Instead, you need to use Passing the theme.manager and theme.initialization services to theme_handler constructor as optional parameters is deprecated. These parameters are also mandatory. $theme_handler = \Drupal::service('theme_handler');Get...

Core Data - customising our data model When you are using Core Data, and let's say that you have a requirement to have an attribute where the options available should be a defined list.  Such as "Not Started", "Pending", "In Development" and "Completed".  How do you create this as an option in Core Data?   Thinking out loud, the practical solution would be to use an enum.  But how do you use a enum in this instance?  As you might have noticed, unfortunately, it...