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Rails 4.2.4 (August 14, 2015)

  • Fix STATS_DIRECTORIES already defined warning when running rake from within the top level directory of an engine that has a test app.

    Fixes #20510

    Ersin Akinci

  • Fix NoMethodError when generating a scaffold inside a full engine.

    Yuji Yaginuma

Rails 4.2.3 (June 25, 2015)

  • assert_file understands paths with special characters (eg. v0.1.4~alpha+nightly).

    Diego Carrion

  • Make generated scaffold functional tests work inside engines.

    Yuji Yaginuma

  • Add support for inline images in mailer previews by using an interceptor class to convert cid: urls in image src attributes to data urls. The interceptor is not enabled by default but can be done in an initializer:

    # config/initializer/preview_interceptors.rb

    Andrew White

  • Fix mailer previews with attachments by using the mail gem's own API to locate the first part of the correct mime type.

    Fixes #14435.

    Andrew White

Rails 4.2.2 (June 16, 2015)

  • No Changes *

Rails 4.2.1 (March 19, 2015)

  • Add a new-line to the end of route method generated code.

    We need to add a \n, because we cannot have two routes in the same line.


  • Force generated routes to be inserted into routes.rb

    Andrew White

  • Don't remove all line endings from routes.rb when revoking scaffold.

    Fixes #15913.

    Andrew White

  • Fix scaffold generator with --helper=false option.

    Rafael Mendonça França

Rails 4.2.0 (December 20, 2014)

  • Deprecate config.serve_static_assets in favor of config.serve_static_files to clarify that the option is unrelated to the asset pipeline.

    Godfrey Chan

  • config.serve_static_files can now be set from an environment variable in production mode. The feature remains off by default, but can be enabled by setting RAILS_SERVE_STATIC_FILES to a non-empty string at boot time.

    Richard Schneeman, Godfrey Chan

  • Generated migrations add the appropriate foreign key constraints to references.

    Derek Prior

  • Deprecate different default for log_level in production.

    Godfrey Chan, Matthew Draper

  • Generated .gitignore excludes the whole log/ directory, not only *.log files.


  • Rails::Paths::Path.unshift now has the same interface as Array.unshift.

    Igor Kapkov

  • Make rake test run all tests in test folder.

    Deprecate rake test:all and replace rake test:all:db with rake test:db

    David Geukers

  • secret_token is now saved in Rails.application.secrets.secret_token and it falls back to the value of config.secret_token when it is not present in config/secrets.yml.

    Benjamin Fleischer

  • Remove --skip-action-view option from Rails::Generators::AppBase.

    Fixes #17023.

    Dan Olson

  • Specify dummy app's db migrate path in plugin's test_helper.rb.

    Fixes #16877.

    Yukio Mizuta

  • Inject Rack::Lock if config.eager_load is false.

    Fixes #15089.

    Xavier Noria

  • Change the path of dummy app location in plugin's test_helper.rb for cases you specify dummy_path option.

    Yukio Mizuta

  • Fix a bug in the gem method for Rails templates when non-String options are used.

    Fixes #16709.

    Yves Senn

  • The web-console gem is now installed by default for new applications. It can help you debug development exceptions by spawning an interactive console in its cause binding.

    Ryan Dao, Genadi Samokovarov, Guillermo Iguaran

  • Add a required option to the model generator for associations

    Sean Griffin

  • Add after_bundle callbacks in Rails templates. Useful for allowing the generated binstubs to be added to version control.

    Fixes #16292.

    Stefan Kanev

  • Pull in the custom configuration concept from dhh/custom_configuration, which allows you to configure your own code through the Rails configuration object with custom configuration:

    # config/environments/production.rb
    config.x.payment_processing.schedule = :daily
    config.x.payment_processing.retries  = 3
    config.x.super_debugger              = true

    These configuration points are then available through the configuration object:

    Rails.configuration.x.payment_processing.schedule # => :daily
    Rails.configuration.x.payment_processing.retries  # => 3
    Rails.configuration.x.super_debugger              # => true


  • Scaffold generator _form partial adds class="field" for password confirmation fields.


  • Add Rails::Application.config_for to load a configuration for the current environment.

    # config/exception_notification.yml:
      namespace: my_app_production
      url: http://localhost:3001
      namespace: my_app_development
    # config/production.rb
    Rails.application.configure do
      config.middleware.use ExceptionNotifier, config_for(:exception_notification)

    Rafael Mendonça França, DHH

  • Deprecate Rails::Rack::LogTailer without replacement.

    Rafael Mendonça França

  • Add --skip-turbolinks option to the app generator.

    Rafael Mendonça França

  • Invalid bin/rails generate commands will now show spelling suggestions.

    Richard Schneeman

  • Add bin/setup script to bootstrap an application.

    Yves Senn

  • Replace double quotes with single quotes while adding an entry into Gemfile.

    Alexander Belaev

  • Default config.assets.digest to true in development.

    Dan Kang

  • Load database configuration from the first database.yml available in paths.

    Pier-Olivier Thibault

  • Reading name and email from git for plugin gemspec.

    Fixes #9589.

    Arun Agrawal, Abd ar-Rahman Hamidi, Roman Shmatov

  • Fix console and generators blocks defined at different environments.

    Fixes #14748.

    Rafael Mendonça França

  • Move configuration of asset precompile list and version to an initializer.

    Matthew Draper

  • Remove sqlite3 lines from .gitignore if the application is not using sqlite3.

    Dmitrii Golub

  • Add public API to register new extensions for rake notes.


    config.annotations.register_extensions("scss", "sass") { |tag| /\/\/\s*(#{tag}):?\s*(.*)$/ }

    Roberto Miranda

  • Removed unnecessary rails application command.

    Arun Agrawal

  • Make the rails:template rake task load the application's initializers.

    Fixes #12133.

    Robin Dupret

  • Introduce Rails.gem_version as a convenience method to return, suggesting a more reliable way to perform version comparison.


    Rails.version #=> "4.1.2"
    Rails.gem_version #=> #<Gem::Version "4.1.2">
    Rails.version > "4.1.10" #=> false
    Rails.gem_version >"4.1.10") #=> true"~> 4.1.2") =~ Rails.gem_version #=> true

    Prem Sichanugrist

  • Avoid namespacing routes inside engines.

    Mountable engines are namespaced by default so the generated routes were too while they should not.

    Fixes #14079.

    Yves Senn, Carlos Antonio da Silva, Robin Dupret

Please check 4-1-stable for previous changes.