• Backport ActiveRecord::Normalization to ::ActiveModel::Attributes::Normalization

  class User
    include ActiveModel::Attributes
    include ActiveModel::Attributes::Normalization
  
    attribute :email, :string
  
    normalizes :email, with: -> email { email.strip.downcase }
  end
  
  user = User.new
  user.email =    " CRUISE-CONTROL@EXAMPLE.COM\n"
  user.email # => "cruise-control@example.com"

  Sean Doyle

Please check [8-0-stable]) for previous changes.