mongoid/mongoid — Issue #1368: :read_secondary options has now been deprecated and will be removed in driver v2.0. Use the :read option instead. 
Author: fbjork
Created: 2011-10-21 00:16:18+00:00
State: open

Getting this deprecation warning after upgrading to 2.2.3:

:read_secondary options has now been deprecated and will be removed in driver v2.0. Use the :read option instead.