By chx 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/1998250
Description: 

batch_load($id) has been replaced by Drupal::service('batch.storage')->load($id). Also, it is possible to store batches in other backends by implementing Drupal\Core\Utility\BatchStorageInterface and replacing the batch.storage service.

Impacts: 
Module developers