rails--rails/activemodel/CHANGELOG.md

Rails 5.1.0.beta1 (February 23, 2017)

• Remove deprecated behavior that halts callbacks when the return is false.

  Rafael Mendonça França

• Remove unused ActiveModel::TestCase class.

  Yuji Yaginuma

• Moved DecimalWithoutScale, Text, and UnsignedInteger from Active Model to Active Record

  Iain Beeston

• Allow indifferent access in ActiveModel::Errors.

  #include?, #has_key?, #key?, #delete and #full_messages_for.

  Kenichi Kamiya

• Removed deprecated :tokenizer in the length validator.

  Rafael Mendonça França

• Removed deprecated methods in ActiveModel::Errors.

  #get, #set, []=, add_on_empty and add_on_blank.

  Rafael Mendonça França

Please check 5-0-stable for previous changes.