Change record status: 
Introduced in branch: 
2.1.x
Introduced in version: 
2.1.1-beta1
Description: 

The UserRestrictionsFormBase class has been deprecated and it will be removed from the 3.0.x branch. There is no replacement for the class, which could only be used as base class for forms to edit or create user restrictions.

Impacts: 
Module developers
Site templates, recipes and distribution developers