user_stamp 4.0.0

Preserve the user identity when database records are updated for tracking or audit purposes.You can configure which field (:id, :email, :login_name) from the current_user object to track. The gem uses the current_user object from Devise. Users are required to be authenticated to the application.For RAILS 3.2.x use gem version 3.x, For RAILS 4.x.x use gem version 4.x