By chx on
Change record status: 
Published (View all published change records)
Project: 
Drupal core
Introduced in branch: 
8.0.x
Issue links: 
https://www.drupal.org/node/2188661
https://www.drupal.org/node/2198713
Description: 

In Drupal 7, system_rebuild_module_data returned hidden modules. The modules page hide them from users.

In Drupal 8, system_rebuild_module_data by default does not return hidden modules. To get these, add 

$settings['extension_discovery_scan_tests'] = TRUE;

to settings.php.

Impacts: 
Module developers
Updates Done (doc team, etc.)
Online documentation: 
Not done
Theming guide: 
Not done
Module developer documentation: 
Not done
Examples project: 
Not done
Coder Review: 
Not done
Coder Upgrade: 
Not done
Other: 
Other updates done