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Rails 4.0.0 (unreleased)

  • Changed `AM::Serializers::JSON.include_root_in_json' default value to false. Now, AM Serializers and AR objects have the same default behaviour. Fixes #6578.

    class User < ActiveRecord::Base; end
    class Person
      include ActiveModel::Model
      include ActiveModel::AttributeMethods
      include ActiveModel::Serializers::JSON
      attr_accessor :name, :age
      def attributes
    => {"id"=>1, "name"=>"Konata Izumi", "age"=>16, "awesome"=>true}
    # root is not included
    => {"name"=>"Francesco", "age"=>22}
    # root is not included

    Francesco Rodriguez

  • Passing false hash values to validates will no longer enable the corresponding validators Steve Purcell

  • ConfirmationValidator error messages will attach to :#{attribute}_confirmation instead of attribute Brian Cardarella

  • Added ActiveModel::Model, a mixin to make Ruby objects work with AP out of box Guillermo Iguaran

  • AM::Errors#to_json: support :full_messages parameter Bogdan Gusiev

  • Trim down Active Model API by removing valid? and errors.full_messages José Valim

  • When ^ or $ are used in the regular expression provided to validates_format_of and the :multiline option is not set to true, an exception will be raised. This is to prevent security vulnerabilities when using validates_format_of. The problem is described in detail in the Rails security guide.

Rails 3.2.6 (Jun 12, 2012)

  • No changes.

Rails 3.2.5 (Jun 1, 2012)

  • No changes.

Rails 3.2.4 (May 31, 2012)

  • No changes.

Rails 3.2.3 (March 30, 2012)

  • No changes.

Rails 3.2.2 (March 1, 2012)

  • No changes.

Rails 3.2.1 (January 26, 2012)

  • No changes.

Rails 3.2.0 (January 20, 2012)

  • Deprecated define_attr_method in ActiveModel::AttributeMethods, because this only existed to support methods like set_table_name in Active Record, which are themselves being deprecated.

    Jon Leighton

  • Add ActiveModel::Errors#added? to check if a specific error has been added Martin Svalin

  • Add ability to define strict validation(with :strict => true option) that always raises exception when fails Bogdan Gusiev

  • Deprecate "Model.model_name.partial_path" in favor of "model.to_partial_path" Grant Hutchins, Peter Jaros

  • Provide mass_assignment_sanitizer as an easy API to replace the sanitizer behavior. Also support both :logger (default) and :strict sanitizer behavior Bogdan Gusiev

Rails 3.1.3 (November 20, 2011)

  • No changes

Rails 3.1.2 (November 18, 2011)

  • No changes

Rails 3.1.1 (October 7, 2011)

  • Remove hard dependency on bcrypt-ruby to avoid make ActiveModel dependent on a binary library. You must add the gem explicitly to your Gemfile if you want use ActiveModel::SecurePassword:

    gem 'bcrypt-ruby', '~> 3.0.0'

    See GH #2687. Guillermo Iguaran

Rails 3.1.0 (August 30, 2011)

  • Alternate I18n namespace lookup is no longer supported. Instead of "", do "activerecord.models.admins/post" instead José Valim

  • attr_accessible and friends now accepts :as as option to specify a role Josh Kalderimis

  • Add support for proc or lambda as an option for InclusionValidator, ExclusionValidator, and FormatValidator Prem Sichanugrist

    You can now supply Proc, lambda, or anything that respond to #call in those validations, and it will be called with current record as an argument. That given proc or lambda must returns an object which respond to #include? for InclusionValidator and ExclusionValidator, and returns a regular expression object for FormatValidator.

  • Added ActiveModel::SecurePassword to encapsulate dead-simple password usage with BCrypt encryption and salting DHH

  • ActiveModel::AttributeMethods allows attributes to be defined on demand Alexander Uvarov

  • Add support for selectively enabling/disabling observers Myron Marston

Rails 3.0.12 (March 1, 2012)

  • No changes.

Rails 3.0.11 (November 18, 2011)

  • No changes.

Rails 3.0.10 (August 16, 2011)

  • No changes.

Rails 3.0.9 (June 16, 2011)

  • No changes.

Rails 3.0.8 (June 7, 2011)

  • No changes.

Rails 3.0.7 (April 18, 2011)

  • No changes.

Rails 3.0.6 (April 5, 2011)

  • Fix when database column name has some symbolic characters (e.g. Oracle CASE# VARCHAR2(20)) #5818 #6850 Robert Pankowecki, Santiago Pastorino

  • Fix length validation for fixnums #6556 Andriy Tyurnikov

  • Fix i18n key collision with namespaced models #6448 yves.senn

Rails 3.0.5 (February 26, 2011)

  • No changes.

Rails 3.0.4 (February 8, 2011)

  • No changes.

Rails 3.0.3 (November 16, 2010)

  • No changes.

Rails 3.0.2 (November 15, 2010)

  • No changes

Rails 3.0.1 (October 15, 2010)

  • No Changes, just a version bump.

Rails 3.0.0 (August 29, 2010)

  • Added ActiveModel::MassAssignmentSecurity Eric Chapweske, Josh Kalderimis

  • JSON supports a custom root option: to_json(:root => 'custom') #4515 Jatinder Singh

  • #new_record? and #destroyed? were removed from ActiveModel::Lint. Use persisted? instead. A model is persisted if it's not a new_record? and it was not destroyed? MG

  • Added validations reflection in ActiveModel::Validations JV

  • #to_key was added to ActiveModel::Lint so we can generate DOM IDs for AMo objects with composite keys MG

  • ActiveModel::Observer#add_observer!

    It has a custom hook to define after_find that should really be in a ActiveRecord::Observer subclass:

    def add_observer!(klass)
      klass.class_eval 'def after_find() end' unless klass.respond_to?(:after_find)
  • Change the ActiveModel::Base.include_root_in_json default to true for Rails 3 DHH

  • Add validates_format_of :without => /regexp/ option. #430 Elliot Winkler, Peer Allan

    Example :

      validates_format_of :subdomain, :without => /www|admin|mail/
  • Introduce validates_with to encapsulate attribute validations in a class. #2630 Jeff Dean

  • Extracted from Active Record and Active Resource.

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