gregbell/active_admin — Issue #855: Blank values for TEXT fields should be set at NULL in db -- instead get set as empty string!
Author: Emprivo
Created: 2011-12-18 13:15:05+00:00
State: open

This one is quite big.

If a field allows null in the schema and no value is entered in the ActiveAdmin form, it sets that field in the db as empty string instead of NULL.