Change record status: 
Project: 
Introduced in branch: 
11.0.x
Introduced in version: 
11.0.0
Description: 

State caching is permanently enabled.

Previously, this was controlled by a setting in settings.php, which is described in the change record, State service now uses a cache collector for performance. The setting is now removed.

Impacts: 
Site builders, administrators, editors
Module developers