Change record status: 
Project: 
Introduced in branch: 
11.1.x
Introduced in version: 
11.1.0
Description: 

The following plugins now use Attributes. The change notice announcing the use of attributes for plugins is Plugin implementations should use PHP attributes instead of annotations.

Annotation class Attribute class
\Drupal\Core\Entity\Annotation\ConfigEntityType \Drupal\Core\Entity\Attribute\ConfigEntityType
\Drupal\Core\Entity\Annotation\ContentEntityType \Drupal\Core\Entity\Attribute\ContentEntityType
\Drupal\Core\Entity\Annotation\EntityType \Drupal\Core\Entity\Attribute\EntityType

Related

Plugins converted from Annotations to Attributes in 10.3.0

Impacts: 
Module developers