Change record status: 
Project: 
Introduced in branch: 
8.x
Description: 

The entity_language() function has been removed (actually it never landed) in favor of the EntityInterface::language() method. The language callback functionality has been dropped in favor of implementing the language() method. See #1495648-22: Introduce entity language support for details.

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: 
Not done