By aspilicious on
Change record status: 
Published (View all published change records)
Project: 
Drupal core
Introduced in branch: 
8.x
Issue links: 
https://www.drupal.org/node/1341186
Description: 

Deprecated library names are removed.
From now one you have to use the namespaced versions.

$libraries['once'] ==> $libraries['jquery.once'];
$libraries['form'] ==> $libraries['jquery.form'];
$libraries['jquery-bbq'] ==> $libraries['jquery.bbq'];
$libraries['vertical-tabs'] ==> $libraries['drupal.vertical-tabs'];
$libraries['cookie'] ==> $libraries['jquery.cookie'];