Problem/Motivation Configuration provided by install profiles is owned by the site once installation is complete. As such, the site builder is expected to modify the default config and the profile can not assume that config is in a certain state (or that changes to that config are desired). However, profiles that are part of distributions have a need to modify this config after installation throughout the life of the application. The reasons for modifying config fall into two broad categories, each with their own challenges:

DHTML Menu uses Javascript to reduce the number of page loads when using nested menus; this is particularly useful with Drupal's administration system.