Breaking: #85080 - Method "isEnabled()" added to RenderableInterface and FinisherInterface 

See forge#85080

Description 

A new method isEnabled() has been added to the RenderableInterface as well as the FinisherInterface .

Impact 

Third party code implementing these interfaces and not extending AbstractRenderable or AbstractFinisher will cause a fatal error if used in a form.

Affected Installations 

Instances with third party code implementing these interfaces and not extending AbstractRenderable or AbstractFinisher .

Migration 

Third party code implementing these interfaces must be updated to implement the isEnabled() method, preferably by extending AbstractRenderable (or one of its subclasses) or AbstractFinisher .