Change record status: 
Project: 
Introduced in branch: 
8.0.x
Introduced in version: 
8.0.0-beta15
Description: 

Content entity types are able to define in their plugin annotation (key bundle_entity_type) the configurable responsible with the bundles. Prior to this change, the value has defaulted to 'bundle' (string). Now the default value is NULL.

Impacts: 
Module developers