Ruby on Rails 4.1 Release Notes #7(Active Model)

Ruby on Rails 4.1 Release Notes — Ruby on Rails Guides
7章は、Active Modelです。

7 Active Model

7.1 Deprecations

・Deprecate Validator#setup

7.2 Notable changes

・Added new API methods reset_changes and changes_applied to ActiveModel::Dirty that control changes state.

See Also

Ruby on Rails 4.1 Release Notes
・#1(Rails4.1へのupgrade方法)
・#2(Rails4.1の主な機能)
・#3(Railties)
・#4(Action Pack)
・#5(Action Mailer)
・#6(Active Record)
・#7(Active Model)
・#8(Active Support)