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Rails 4.0.10 (September 11, 2014)

  • Return an absolute instead of relative path from an asset url in the case of the asset_host proc returning nil

    Jolyon Pawlyn

  • Prepend a JS comment to JSONP callbacks. Addresses CVE-2014-4671 ("Rosetta Flash")

    Greg Campbell

  • Generate shallow paths for all children of shallow resources.

    Fixes #15783.

    Seb Jacobs

  • JSONP responses are now rendered with the text/javascript content type when rendering through a respond_to block.

    Fixes #15081.

    Lucas Mazza

  • Added config.action_view.raise_on_missing_translations to define whether an error should be raised for missing translations.

    Fixes #13196

    Kassio Borges

  • ActionController::Parameters#require now accepts false values.

    Fixes #15685.

    Sergio Romano

  • With authorization header Authorization: Token token=, authenticate now recognize token as nil, instead of "token".

    Fixes #14846.

    Larry Lv

Rails 4.0.9 (August 18, 2014)

No changes

Rails 4.0.8 (July 2, 2014)

No changes

Rails 4.0.7 (July 2, 2014)

No changes

Rails 4.0.6 (June 26, 2014)

  • Fix URL generation with :trailing_slash such that it does not add a trailing slash after .:format

    Dan Langevin

  • Fix 'Stack level too deep' when rendering head :ok in an action method called 'status' in a controller.

    Fixes #13905.

    Christiaan Van den Poel

  • Always use the provided port if the protocol is relative.

    Fixes #15043.

    Guilherme Cavalcanti, Andrew White

  • Change asset_path to use File.join to create proper paths.


    Peter Schröder

  • Returns null type format when format is not known and controller is using any format block.

    Fixes #14462.

    Rafael Mendonça França

  • collection_check_boxes respects :index option for the hidden field name.

    Fixes #14147.

    Vasiliy Ermolovich

  • Only make deeply nested routes shallow when parent is shallow.

    Fixes #14684.

    Andrew White, James Coglan

  • date_select helper with option with_css_classes: true does not overwrite other classes.

    Izumi Wong-Horiuchi

  • Swaps the parameters of assert_equal in assert_select so that the proper values are printed correctly.

    Fixes #14422.

    Vishal Lal

  • The method shallow? returns false if the parent resource is a singleton so we need to check if we're not inside a nested scope before copying the :path and :as options to their shallow equivalents.

    Fixes #14388.

    Andrew White

Rails 4.0.5 (May 6, 2014)

  • Only accept actions without File::SEPARATOR in the name.

    This will avoid directory traversal in implicit render.

    Fixes: CVE-2014-0130

    Rafael Mendonça França

Rails 4.0.4 (March 14, 2014)

  • Fix label translation for more than 10 nested elements.

    Vladimir Krylov

  • Use a custom route visitor for optimized url generation. Fixes #13349.

    Andrew White

  • Set the :shallow_path scope option as each scope is generated rather than waiting until the shallow option is set. Also make the behavior of the :shallow resource option consistent with the behavior of the shallow method.

    Fixes #12498.

    Andrew White, Aleksi Aalto

  • Do not discard query parameters that form a hash with the same root key as the wrapper_key for a request using wrap_parameters.

    Josh Jordan

  • Ensure that request.filtered_parameters is reset between calls to process in ActionController::TestCase.

    Fixes #13803.

    Andrew White

  • Fix rake routes error when Rails::Engine with empty routes is mounted.

    Fixes #13810.

    Maurizio De Santis

  • Unique the segment keys array for non-optimized url helpers

    In Rails 3.2 you only needed to pass an argument for a dynamic segment once so unique the segment keys array to match the number of args. Since the number of args is less than required parts, the non-optimized code path is selected. To benefit from optimized url generation, the arg needs to be specified as many times as it appears in the path.

    Fixes #12808.

    Andrew White

  • Show full route constraints in error message

    When an optimized helper fails to generate, show the full route constraints in the error message. Previously it would only show the contraints that were required as part of the path.

    Fixes #13592.

    Andrew White

  • Allow engine root relative redirects using an empty string.


    # application routes.rb
    mount BlogEngine => '/blog'
    # engine routes.rb
    get '/welcome' => redirect('')

    This now redirects to the path /blog, whereas before it would redirect to the application root path. In the case of a path redirect or a custom redirect, if the path returned contains a host then the path is treated as absolute. Similarly for option redirects, if the options hash returned contains a :host or :domain key then the path is treated as absolute.

    Fixes #7977.

    Andrew White

  • Fix Encoding::CompatibilityError when public path is UTF-8

    In #5337 we forced the path encoding to ASCII-8BIT to prevent static file handling from blowing up before an application has had a chance to deal with possibly invalid urls. However this has a negative side effect of making it an incompatible encoding if the application's public path has UTF-8 characters in it.

    To work around the problem we check to see if the path has a valid encoding once it has been unescaped. If it is not valid then we can return early since it will not match any file anyway.

    Fixes #13518.

    Andrew White

  • ActionController::Parameters#permit! permits hashes in array values.

    Xavier Noria

  • Converts hashes in arrays of unfiltered params to unpermitted params.

    Fixes #13382.

    Xavier Noria

  • rake routes shows routes defined under assets prefix.

    Ryunosuke SATO

  • Label tags generated by collection helpers only inherit the :index and :namespace from the input, because only these attributes modify the for attribute of the label. Also, the input attributes don't have precedence over the label attributes anymore.


    collection = [[1, true, { class: 'foo' }]]
    f.collection_check_boxes :options, collection, :second, :first do |b|
      b.label(class: 'my_custom_class')
    # => <label class="foo" for="user_active_true">1</label>


    collection = [[1, true, { class: 'foo' }]]
    f.collection_check_boxes :options, collection, :second, :first do |b|
      b.label(class: 'my_custom_class')
    # => <label class="my_custom_class" for="user_active_true">1</label>

    Andriel Nuernberg

  • Fix regression when using ActionView::Helpers::TranslationHelper#translate with options[:raise].

    This regression was introduced at ec16ba75a5493b9da972eea08bae630eba35b62f.

    Shota Fukumori (sora_h)

  • Fix rendering localized templates without an explicit format using wrong content header and not passing correct formats to template due to the introduction of the NullType for mimes.

    Templates like were subject to this issue.

    Fixes #13064.

    Angelo Capilleri, Carlos Antonio da Silva

  • Fix regression with simple_format not having access to the raw method when included in isolation, introduced with the security fix in Rails 4.0.2.

    Mario Visic

  • Fix formatting for rake routes when a section is shorter than a header.

    Sıtkı Bağdat

  • Use set_backtrace instead of instance variable @backtrace in ActionView exceptions.

    Shimpei Makimoto

  • Fix simple_format escapes own output when passing sanitize: true.

    Paul Seidemann

  • Don't let strong parameters mutate the given hash via fetch.

    Create a new instance if the given parameter is a Hash instead of passing it to the convert_hashes_to_parameters method since it is overriding its default value.

    Brendon Murphy, Doug Cole

Rails 4.0.3 (February 18, 2014)

  • Escape format, negative_format and units options of number helpers

    Fixes: CVE-2014-0081

Rails 4.0.2 (December 02, 2013)

  • Ensure simple_format escapes its html attributes. This fixes CVE-2013-6416

  • Deep Munge the parameters for GET and POST Fixes CVE-2013-6417

  • Stop using i18n's built in HTML error handling. Fixes: CVE-2013-4491

  • Escape the unit value provided to number_to_currency Fixes CVE-2013-6415

  • Only use valid mime type symbols as cache keys CVE-2013-6414

Rails 4.0.1 (November 01, 2013)

  • Respect SCRIPT_NAME when using redirect with a relative path

    Example: # application routes.rb mount BlogEngine => '/blog'

    # engine routes.rb
    get '/admin' => redirect('admin/dashboard')

    This now redirects to the path /blog/admin/dashboard, whereas before it would've generated an invalid url because there would be no slash between the host name and the path. It also allows redirects to work where the application is deployed to a subdirectory of a website.

    Fixes #7977.

    Andrew White

  • Fix ActionDispatch::RemoteIp::GetIp#calculate_ip to only check for spoofing attacks if both HTTP_CLIENT_IP and HTTP_X_FORWARDED_FOR are set.

    Fixes #10844.

    Tamir Duberstein

  • Strong parameters should permit nested number as key.

    Fixes #12293.


  • Fix collection_check_boxes generated hidden input to use the name attribute provided in the options hash.

    Angel N. Sciortino

  • Fix some edge cases for AV select helper with :selected option

    Bogdan Gusiev

  • Handle :namespace form option in collection labels

    Vasiliy Ermolovich

  • Fix an issue where router can't recognize downcased url encoding path.

    Fixes #12269.


  • Fix custom flash type definition. Misuse of the _flash_types class variable caused an error when reloading controllers with custom flash types.

    Fixes #12057.

    Ricardo de Cillo

  • Do not break params filtering on nil values.

    Fixes #12149.

    Vasiliy Ermolovich

  • Fix excerpt when :separator is nil.

    Paul Nikitochkin

  • Make Live Streaming work with basic authentication or builder.

    Fixes #10984.

    Aaron Patterson

  • Always use Rack::Sendfile to make possible to it be automatically configured by the webserver.

    Fixes #11440.

    Martin Schürrer

  • Flag cookies as secure with ignore case in ActionDispatch::SSL.

    Yamagishi Kazutoshi

  • Don't include STS header in non-HTTPS responses.

    Geoff Buesing

  • Fix an issue where rails raise exception about missing helper where it should throw LoadError. When helper file exists and only loaded file from this helper does not exist rails should throw LoadError instead of MissingHelperError.

    Piotr Niełacny

  • Only cache template digests if config.cache_template_loading is true.

    Josh Lauer, Justin Ridgewell

  • Fix an issue where :if and :unless controller action procs were being run before checking for the correct action in the :only and :unless options.

    Fixes #11799.

    Nicholas Jakobsen

  • Fix an issue where assert_dom_equal and assert_dom_not_equal were ignoring the passed failure message argument.

    Fixes #11751.

    Ryan McGeary

  • Fix current_page? when the URL contains escaped characters and the original URL is using the hexadecimal lowercased.

    Rafael Mendonça França

  • Allow REMOTE_ADDR, HTTP_HOST and HTTP_USER_AGENT to be overridden from the environment passed into

    Fixes #11590.

    Andrew White

  • Fix text_area to behave like text_field when nil is given as value.


    f.text_field :field, value: nil #=> <input value="">
    f.text_area :field, value: nil  #=> <textarea>value of field</textarea>


    f.text_area :field, value: nil  #=> <textarea></textarea>

    Joel Cogen

  • Fix an issue where Journey was failing to clear the named routes hash when the routes were reloaded and since it doesn't overwrite existing routes then if a route changed but wasn't renamed it kept the old definition. This was being masked by the optimised url helpers so it only became apparent when passing an options hash to the url helper.

    Andrew White

  • Skip routes pointing to a redirect or mounted application when generating urls using an options hash as they aren't relevant and generate incorrect urls.

    Fixes #8018.

    Andrew White

  • Fix default rendered format problem when calling render without :content_type option. It should return :html.

    Fixes #11393.

    Gleb Mazovetskiy, Oleg, kennyj

  • Fix ActionDispatch::ParamsParser#parse_formatted_parameters to rewind body input stream on parsing json params.

    Fixes #11345.

    Yuri Bol, Paul Nikitochkin

  • Fix link_to with block and url hashes.


    link_to(action: 'bar', controller: 'foo') { content_tag(:span, 'Example site') }
    # => "<a action=\"bar\" controller=\"foo\"><span>Example site</span></a>"


    link_to(action: 'bar', controller: 'foo') { content_tag(:span, 'Example site') }
    # => "<a href=\"/foo/bar\"><span>Example site</span></a>"

    Murahashi Sanemat Kenichi

  • Fix "Stack Level Too Deep" error when rendering recursive partials.

    Fixes #11340.

    Rafael Mendonça França

  • Pick DateField DateTimeField and ColorField values from stringified options allowing use of symbol keys with helpers.

    Jon Rowe

  • Fix Mime::Type.parse when bad accepts header is looked up. Previously it was setting request.formats with an array containing a nil value, which raised an error when setting the controller formats.

    Fixes #10965.


  • Always escape the result of link_to_unless method.


    link_to_unless(true, '<b>Showing</b>', '')
    # => "<b>Showing</b>"


    link_to_unless(true, '<b>Showing</b>', '')
    # => "&lt;b&gt;Showing&lt;/b&gt;"


Rails 4.0.0 (June 25, 2013)

  • Merge :action from routing scope and assign endpoint if both :controller and :action are present. The endpoint assignment only occurs if there is no :to present in the options hash so should only affect routes using the shorthand syntax (i.e. endpoint is inferred from the the path).

    Fixes #9856

    Yves Senn, Andrew White

  • Use a case insensitive URI Regexp for #asset_path.

    This fix a problem where the same asset path using different case are generating different URIs.


    # => "<img alt=\"Google\" src=\"/assets/HTTP://\" />"
    # => "<img alt=\"Google\" src=\"\" />"


    # => "<img alt=\"Google\" src=\"HTTP://\" />"
    # => "<img alt=\"Google\" src=\"\" />"

    David Celis

  • Add has_named_route?(route_name) to the mapper API.

    José Valim

  • Fix an issue where partials with a number in the filename weren't being digested for cache dependencies.

    Bryan Ricker

  • Add support for passing custom url options other than :host and custom status and flash options to force_ssl.

    Andrew White

  • The force_ssl command now builds the redirect url from request.fullpath. This ensures that the format is maintained and it doesn't redirect to a route that has the same parameters but is defined earlier in routes.rb. Also any optional segments are maintained.

    Fixes #7528, #9061, #10305.

    Andrew White

  • Return a 405 Method Not Allowed response when a request contains an unknown HTTP method.

    Lewis Marshall

  • Add support for extracting the port from the :host option passed to url_for.

    Andrew White

  • Add support for removing the subdomain from a url by passing nil, false or ''. Fixes #10180.

    Derek Watson + Andrew White

  • Element of the collection for options_from_collection_for_select helper can optionally contain html attributes as the last element of the array as options_for_select helper.

    Vasiliy Ermolovich

  • Fix explicit names on multiple file fields. If a file field tag has the multiple option, it is turned into an array field (appending []), but if an explicit name is passed to file_field the [] is not appended. Fixes #9830.

    Ryan McGeary

  • Add block support for the mail_to helper, similar to the link_to helper.

    Sam Pohlenz

  • Automatically configure cookie-based sessions to be encrypted if secret_key_base is set, falling back to signed if only secret_token is set. Automatically upgrade existing signed cookie-based sessions from Rails 3.x to be encrypted if both secret_key_base and secret_token are set, or signed with the new key generator if only secret_token is set. This leaves only the config.session_store :cookie_store option and removes the two new options introduced in 4.0.0.beta1: encrypted_cookie_store and upgrade_signature_to_encryption_cookie_store.

    Trevor Turk

  • Ensure consistent fallback to the default layout lookup for layouts set using symbols or procs that return nil.

    All of the following layouts will result in the default layout lookup:

    layout nil
    layout proc { nil }
    layout :returns_nil
    def returns_nil

    Previously symbols and procs which returned nil resulted in no layout which differed from the layout nil behavior. To get the "no layout" behavior just return false instead of nil for layout.

    Chris Nicola

  • Create UpgradeLegacySignedCookieJar to transparently upgrade existing signed cookies generated by Rails 3.x to avoid invalidating them when upgrading to Rails 4.x.

    Trevor Turk + Neeraj Singh

  • Raise an ArgumentError when a clashing named route is defined.

    Trevor Turk

  • Allow default url options to accept host with protocol such as http://

    config.action_mailer.default_url_options = { host: "" }

    Richard Schneeman

  • Ensure that digest authentication responds with a 401 status when a basic header is received.

    Brad Dunbar

  • Include I18n locale fallbacks in view lookup. Fixes #3512.

    Juan Barreneche

  • Integration and functional tests allow headers and rack env variables to be passed when performing requests. Fixes #6513.


    # integration test
    get "/success", {}, "HTTP_REFERER" => "",
                        "Accepts" => "text/plain, text/html"
    # functional test
    @request.headers["Accepts"] = "text/plain, text/html"

    Yves Senn

  • Http::Headers respects headers that are not prefixed with HTTP_

    Yves Senn

  • Fix incorrectly appended square brackets to a multiple select box if an explicit name has been given and it already ends with "[]"


    select(:category, [], {}, multiple: true, name: "post[category][]")
    # => <select name="post[category][][]" ...>


    select(:category, [], {}, multiple: true, name: "post[category][]")
    # => <select name="post[category][]" ...>

    Olek Janiszewski

  • Fixed regression when using assert_template to verify files sent using render file: ''. Fixes #9464.

    Justin Coyne

  • Fixed ActionView::Helpers::CaptureHelper#content_for regression when trying to use it in a boolean statement. Fixes #9360.

    Nikolay Shebanov

  • format: true does not override existing format constraints. Fixes #9466.


    # This will force the .json extension.
    get '/json_only', to: ok, format: true, constraints: { format: /json/ }

    Yves Senn

  • Skip valid encoding checks for non-String parameters that come from the matched route's defaults. Fixes #9435.


    root to: 'main#posts', page: 1

    Yves Senn

  • Don't verify Regexp requirements for non-Regexp :constraints. Fixes #9432.


    get '/photos.:format' => 'feeds#photos', constraints: {format: 'xml'}

    Yves Senn

  • Make ActionDispatch::Journey::Path::Pattern#new raise more meaningful exception message.

    Thierry Zires

  • Fix respond_to not using formats that have no block if all is present. Michael Grosser

  • New applications use an encrypted session store by default.

    Santiago Pastorino

  • Determine the controller#action from only the matched path when using the shorthand syntax. Previously the complete path was used, which led to problems with nesting (scopes and namespaces). Fixes #7554.


    # This will route to questions#new.
    scope ':locale' do
      get 'questions/new'

    Yves Senn

  • Remove support for parsing XML parameters from request. If you still want to parse XML parameters, please install `actionpack-xml_parser' gem.

    Prem Sichanugrist

  • Remove support for parsing YAML parameters from request.

    Aaron Patterson

  • Add a message when you have no routes defined to both rake routes and GET "/rails/info/routes" that lets you know you have none defined and links to the Rails guide on the topic.

    Steve Klabnik

  • Change image_alt method to replace underscores/hyphens to spaces in filenames.

    Previously, underscored filenames became alt="A_long_file_name_with_underscores" in HTML, which is poor for accessibility. For instance, Apple's VoiceOver Utility pronounces each underscore. A_long_file_name thus would be read as A underscore long underscore file underscore name. Now underscored or hyphenated filenames (both of which are very popular naming conventions) read more naturally in screen readers by converting both hyphens and underscores to spaces.


    # => <img alt="Underscored_file_name" src="/assets/underscored_file_name.png" />


    # => <img alt="Underscored file name" src="/assets/underscored_file_name.png" />

    Nick Cox

  • We don't support Ruby constant notation in the :controller option for route definitions. So, this raises an ArgumentError now:

    resources :posts, controller: "Admin::Posts" # WRONG

    Use path notation instead:

    resources :posts, controller: "admin/posts" # RIGHT

    Yves Senn

  • assert_template can be used to verify the locals of partials, which live inside a directory.

    # Prefixed partials inside directories worked and still work.
    assert_template partial: 'directory/_partial', locals: {name: 'John'}
    # This did not work but does now.
    assert_template partial: 'directory/partial', locals: {name: 'John'}

    Fixes #8516.

    Yves Senn

  • Fix content_tag_for with array HTML option. It would embed array as string instead of joining it like content_tag does:

    content_tag(:td, class: ["foo", "bar"]){}
    # => <td class="foo bar"></td>


    content_tag_for(:td, item, class: ["foo", "bar"])
    # => <td class="item [&quot;foo&quot;, &quot;bar&quot;]" id="item_1"></td>


    content_tag_for(:td, item, class: ["foo", "bar"])
    # => <td class="item foo bar" id="item_1"></td>

    Semyon Perepelitsa

  • Remove BestStandardsSupport middleware, !DOCTYPE html already triggers standards mode per and ChromeFrame header has been moved to config.action_dispatch.default_headers

    Guillermo Iguaran

  • Fix CSRF protection and current_url? helper to work with HEAD requests now that ActionDispatch::Head has been removed in favor of Rack::Head.

    Michiel Sikkes

  • Change asset_path to not include SCRIPT_NAME when it's used from a mounted engine. Fixes #8119.

    Piotr Sarnacki

  • Add JavaScript based routing path matcher to /rails/info/routes. Routes can now be filtered by whether or not they match a path.

    Richard Schneeman

  • Change the behavior of route defaults so that explicit defaults are no longer required where the key is not part of the path. For example:

    resources :posts, bucket_type: 'posts'

    will be required whenever constructing the url from a hash such as a functional test or using url_for directly. However using the explicit form alters the behavior so it's not required:

    resources :projects, defaults: { bucket_type: 'projects' }

    This changes existing behavior slightly in that any routes which only differ in their defaults will match the first route rather than the closest match.

    Andrew White

  • Add support for routing constraints other than Regexp and String. For example this now allows the use of arrays like this:

    get '/foo/:action', to: 'foo', constraints: { subdomain: %w[www admin] }

    or constraints where the request method returns an Fixnum like this:

    get '/foo', to: 'foo#index', constraints: { port: 8080 }

    Note that this only applies to constraints on the request - path constraints still need to be specified as Regexps as the various constraints are compiled into a single Regexp.

    Andrew White

  • Fix a bug in integration tests where setting the port via a url passed to the process method was ignored when constructing the request environment.

    Andrew White

  • Allow :selected to be set on date_select tag helper.

    Colin Burn-Murdoch

  • Fixed JSON params parsing regression for non-object JSON content.

    Dylan Smith

  • Extract ActionDispatch::PerformanceTest into You can add the gem to your Gemfile to keep using performance tests.

    gem 'rails-perftest'

    Yves Senn

  • Added view_cache_dependency API for declaring dependencies that affect cache digest computation.

    Jamis Buck

  • image_submit_tag will set alt attribute from image source if not specified.

    Nihad Abbasov

  • Do not generate local variables for partials without object or collection. Previously rendering a partial without giving :object or :collection would generate a local variable with the partial name by default.

    Carlos Antonio da Silva

  • Return the last valid, non-private IP address from the X-Forwarded-For, Client-IP and Remote-Addr headers, in that order. Document the rationale for that decision, and describe the options that can be passed to the RemoteIp middleware to change it. Fixes #7979.

    André Arko, Steve Klabnik, Alexey Gaziev

  • Do not append second slash to root_url when using trailing_slash: true Fixes #8700.


    root_url(trailing_slash: true) # =>


    root_url(trailing_slash: true) # =>

    Yves Senn

  • Allow to toggle dumps on error pages.

    Gosha Arinich

  • Fix a bug in content_tag_for that prevents it from working without a block.


  • Change the stylesheet of exception pages for development mode. Additionally display also the line of code and fragment that raised the exception in all exceptions pages.

    Guillermo Iguaran + Jorge Cuadrado

  • Do not append charset= parameter when head is called with a :content_type option. Fixes #8661.

    Yves Senn

  • Added Mime::NullType class. This allows to use html?, xml?, json?, etc. when the format of the request is unknown, without raising an exception.

    Angelo Capilleri

  • Integrate the Journey gem into Action Dispatch so that the global namespace is not polluted with names that may be used as models.

    Andrew White

  • Extract support for email address obfuscation via :encode, :replace_at, and replace_dot options from the mail_to helper into the actionview-encoded_mail_to gem.

    Nick Reed + DHH

  • Handle :protocol option in stylesheet_link_tag and javascript_include_tag

    Vasiliy Ermolovich

  • Clear url helper methods when routes are reloaded. Andrew White

  • Fix a bug in ActionDispatch::Request#raw_post that caused env['rack.input'] to be read but not rewound.

    Matt Venables

  • Prevent raising EOFError on multipart GET request (IE issue). Adam Stankiewicz

  • Rename all action callbacks from *_filter to *_action to avoid the misconception that these callbacks are only suited for transforming or halting the response. With the new style, it's more inviting to use them as they were intended, like setting shared ivars for views.


    class PeopleController < ActionController::Base
      before_action :set_person,      except: [:index, :new, :create]
      before_action :ensure_permission, only: [:edit, :update]
        def set_person
          @person = current_account.people.find(params[:id])
        def ensure_permission

    The old *_filter methods still work with no deprecation notice.


  • Add cache_if and cache_unless for conditional fragment caching:


    <%= cache_if condition, project do %>
      <b>All the topics on this project</b>
      <%= render project.topics %>
    <% end %>
    # and
    <%= cache_unless condition, project do %>
      <b>All the topics on this project</b>
      <%= render project.topics %>
    <% end %>

    Stephen Ausman + Fabrizio Regini + Angelo Capilleri

  • Add logging filter capability for redirect URLs:

    config.filter_redirect << ''

    Fabrizio Regini

  • Fixed a bug that ignores constraints on a glob route. This was caused because the constraint regular expression is overwritten when the routes.rb file is processed. Fixes #7924

    Maura Fitzgerald

  • More descriptive error messages when calling render :partial with an invalid :layout argument.

    Fixes #8376.

    render partial: 'partial', layout: true
    # results in ActionView::MissingTemplate: Missing partial /true

    Yves Senn

  • Sweepers was extracted from Action Controller as rails-observers gem.

    Rafael Mendonça França

  • Add option flag to CacheHelper#cache to manually bypass automatic template digests:

    <% cache project, skip_digest: true do %>
    <% end %>

    Drew Ulmer

  • Do not sort Hash options in grouped_options_for_select. Sergey Kojin

  • Accept symbols as send_data :disposition value Elia Schito

  • Add i18n scope to distance_of_time_in_words. Steve Klabnik

  • assert_template:

    • is no more passing with empty string.
    • is now validating option keys. It accepts: :layout, :partial, :locals and :count.

    Roberto Soares

  • Allow setting a symbol as path in scope on routes. This is now allowed:

    scope :api do
      resources :users

    It is also possible to pass multiple symbols to scope to shorten multiple nested scopes:

    scope :api do
      scope :v1 do
        resources :users

    can be rewritten as:

    scope :api, :v1 do
      resources :users

    Guillermo Iguaran + Amparo Luna

  • Fix error when using a non-hash query argument named "params" in url_for.


    url_for(params: "") # => undefined method `reject!' for "":String


    url_for(params: "") # =>

    tumayun + Carlos Antonio da Silva

  • Render every partial with a new ActionView::PartialRenderer. This resolves issues when rendering nested partials. Fixes #8197.

    Yves Senn

  • Introduce ActionView::Template::Handlers::ERB.escape_whitelist. This is a list of mime types where template text is not html escaped by default. It prevents Jack & Joe from rendering as Jack &amp; Joe for the whitelisted mime types. The default whitelist contains text/plain. Fixes #7976.

    Joost Baaij

  • Fix input name when multiple: true and :index are set.


    check_box("post", "comment_ids", { multiple: true, index: "foo" }, 1)
    # => <input name=\"post[foo][comment_ids]\" type=\"hidden\" value=\"0\" /><input id=\"post_foo_comment_ids_1\" name=\"post[foo][comment_ids]\" type=\"checkbox\" value=\"1\" />


    check_box("post", "comment_ids", { multiple: true, index: "foo" }, 1)
    # => <input name=\"post[foo][comment_ids][]\" type=\"hidden\" value=\"0\" /><input id=\"post_foo_comment_ids_1\" name=\"post[foo][comment_ids][]\" type=\"checkbox\" value=\"1\" />

    Fixes #8108.

    Daniel Fox, Grant Hutchins & Trace Wax

  • date_select helper accepts with_css_classes: true to add css classes similar with type of generated select tags.

    Pavel Nikitin

  • Only non-js/css under app/assets path will be included in default config.assets.precompile.

    Josh Peek

  • Remove support for the RAILS_ASSET_ID environment configuration (no longer needed now that we have the asset pipeline).

    Josh Peek

  • Remove old asset_path configuration (no longer needed now that we have the asset pipeline).

    Josh Peek

  • assert_template can be used to assert on the same template with different locals Fixes #3675.

    Yves Senn

  • Remove old asset tag concatenation (no longer needed now that we have the asset pipeline).

    Josh Peek

  • Accept :remote as symbolic option for link_to helper. Riley Lynch

  • Warn when the :locals option is passed to assert_template outside of a view test case Fixes #3415.

    Yves Senn

  • The Rack::Cache middleware is now disabled by default. To enable it, set config.action_dispatch.rack_cache = true and add gem rack-cache to your Gemfile.

    Guillermo Iguaran

  • ActionController::Base.page_cache_extension option is deprecated in favour of ActionController::Base.default_static_extension.

    Francesco Rodriguez

  • Action and Page caching has been extracted from Action Dispatch as actionpack-action_caching and actionpack-page_caching gems. Please read the file on both gems for the usage.

    Francesco Rodriguez

  • Failsafe exception returns text/plain. Steve Klabnik

  • Rename internal variables on ActionController::TemplateAssertions to prevent naming collisions. @partials, @templates and @layouts are now prefixed with an underscore. Fixes #7459.

    Yves Senn

  • resource and resources don't modify the passed options hash. Fixes #7777.

    Yves Senn

  • Precompiled assets include aliases from foo.js to foo/index.js and vice versa.

    # Precompiles phone-<digest>.css and aliases phone/index.css to phone.css.
    config.assets.precompile = [ 'phone.css' ]
    # Precompiles phone/index-<digest>.css and aliases phone.css to phone/index.css.
    config.assets.precompile = [ 'phone/index.css' ]
    # Both of these work with either precompile thanks to their aliases.
    <%= stylesheet_link_tag 'phone', media: 'all' %>
    <%= stylesheet_link_tag 'phone/index', media: 'all' %>

    Jeremy Kemper

  • assert_template is no more passing with what ever string that matches with the template name.

    Before when we have a template /layout/hello.html.erb, assert_template was passing with any string that matches. This behavior allowed false positive like:

    assert_template "layout"
    assert_template "out/hello"

    Now it only passes with:

    assert_template "layout/hello"
    assert_template "hello"

    Fixes #3849.


  • image_tag will set the same width and height for image if numerical value passed to size option.

    Nihad Abbasov

  • Deprecate Mime::Type#verify_request? and Mime::Type.browser_generated_types, since they are no longer used inside of Rails, they will be removed in Rails 4.1.

    Michael Grosser

  • ActionDispatch::Http::UploadedFile now delegates close to its tempfile. Sergio Gil

  • Add ActionController::StrongParameters, this module converts params hash into an instance of ActionController::Parameters that allows whitelisting of permitted parameters. Non-permitted parameters are forbidden to be used in Active Model by default For more details check the documentation of the module or the strong_parameters gem

    DHH + Guillermo Iguaran

  • Remove Integration between attr_accessible/attr_protected and ActionController::ParamsWrapper. ParamWrapper now wraps all the parameters returned by the class method attribute_names.

    Guillermo Iguaran

  • Log now displays the correct status code when an exception is raised. Fixes #7646.

    Yves Senn

  • Allow pass couple extensions to ActionView::Template.register_template_handler call.

    Tima Maslyuchenko

  • Sprockets integration has been extracted from Action Pack to the sprockets-rails gem. rails gem is depending on sprockets-rails by default.

    Guillermo Iguaran

  • ActionDispatch::Session::MemCacheStore now uses dalli instead of the deprecated memcache-client gem.

    Arun Agrawal + Guillermo Iguaran

  • Support multiple etags in If-None-Match header. Travis Warlick

  • Allow to configure how unverified request will be handled using :with option in protect_from_forgery method.

    Valid unverified request handling methods are:

    • :exception - Raises ActionController::InvalidAuthenticityToken exception.
    • :reset_session - Resets the session.
    • :null_session - Provides an empty session during request but doesn't reset it completely. Used as default if :with option is not specified.

    New applications are generated with:

    protect_from_forgery with: :exception

    Sergey Nartimov

  • Add .ruby template handler, this handler simply allows arbitrary Ruby code as a template. Guillermo Iguaran

  • Add separator option for ActionView::Helpers::TextHelper#excerpt:

    excerpt('This is a very beautiful morning', 'very', separator: ' ', radius: 1)
    # => ...a very beautiful...

    Guirec Corbel

  • Added controller-level etag additions that will be part of the action etag computation Jeremy Kemper/DHH

    class InvoicesController < ApplicationController
      etag { current_user.try :id }
      def show
        # Etag will differ even for the same invoice when it's viewed by a different current_user
        @invoice = Invoice.find(params[:id])
  • Add automatic template digests to all CacheHelper#cache calls (originally spiked in the cache_digests plugin) DHH

  • When building a URL fails, add missing keys provided by Journey. Failed URL generation now returns a 500 status instead of a 404.

    Richard Schneeman

  • Deprecate availability of ActionView::RecordIdentifier in controllers by default. It's view specific and can be easily included in controllers manually if someone really needs it. Also deprecate calling ActionController::RecordIdentifier.dom_id and dom_class directly, in favor of ActionView::RecordIdentifier.dom_id and dom_class. RecordIdentifier will be removed from ActionController::Base in Rails 4.1.

    Piotr Sarnacki

  • Fix ActionView::RecordIdentifier to work as a singleton. Piotr Sarnacki

  • Deprecate Template#mime_type, it will be removed in Rails 4.1 in favor of #type. Piotr Sarnacki

  • Move vendored html-scanner from action_controller to action_view directory. If you require it directly, please use 'action_view/vendor/html-scanner', reference to 'action_controller/vendor/html-scanner' will be removed in Rails 4.1. Piot Sarnacki

  • Fix handling of date selects when using both disabled and discard options. Fixes #7431.

    Vasiliy Ermolovich

  • ActiveRecord::SessionStore is extracted out of Rails into a gem activerecord-session_store. Setting config.session_store to :active_record_store will no longer work and will break if the activerecord-session_store gem isn't available. Prem Sichanugrist

  • Fix select_tag when option_tags is nil. Fixes #7404.

    Sandeep Ravichandran

  • Add Request#formats=(extensions) that lets you set multiple formats directly in a prioritized order.

    Example of using this for custom iphone views with an HTML fallback:

    class ApplicationController < ActionController::Base
      before_filter :adjust_format_for_iphone_with_html_fallback
        def adjust_format_for_iphone_with_html_fallback
          request.formats = [ :iphone, :html ] if request.env["HTTP_USER_AGENT"][/iPhone/]


  • Add Routing Concerns to declare common routes that can be reused inside others resources and routes.

    Code before:

    resources :messages do
      resources :comments
    resources :posts do
      resources :comments
      resources :images, only: :index

    Code after:

    concern :commentable do
      resources :comments
    concern :image_attachable do
      resources :images, only: :index
    resources :messages, concerns: :commentable
    resources :posts, concerns: [:commentable, :image_attachable]

    DHH + Rafael Mendonça França

  • Add start_hour and end_hour options to the select_hour helper. Evan Tann

  • Raises an ArgumentError when the first argument in form_for contain nil or is empty.

    Richard Schneeman

  • Add 'X-Frame-Options' => 'SAMEORIGIN' 'X-XSS-Protection' => '1; mode=block' and 'X-Content-Type-Options' => 'nosniff' as default headers.

    Egor Homakov

  • Allow data attributes to be set as a first-level option for form_for, so you can write form_for @record, data: { behavior: 'autosave' } instead of form_for @record, html: { data: { behavior: 'autosave' } } DHH

  • Deprecate button_to_function and link_to_function helpers.

    We recommend the use of Unobtrusive JavaScript instead. For example:

    link_to "Greeting", "#", class: "nav_link"
    $(function() {
      $('.nav_link').click(function() {
        // Some complex code
        return false;


    link_to "Greeting", '#', onclick: "alert('Hello world!'); return false", class: "nav_link"

    for simple cases.

    Rafael Mendonça França

  • javascript_include_tag :all will now not include application.js if the file does not exists. Prem Sichanugrist

  • Send an empty response body when call head with status between 100 and 199, 204, 205 or 304.

    Armand du Plessis

  • Fixed issue with where digest authentication would not work behind a proxy. Arthur Smith

  • Added ActionController::Live. Mix it in to your controller and you can stream data to the client live. For example:

    class FooController < ActionController::Base
      include ActionController::Live
      def index
        100.times {
          # Client will see this as it's written
 "hello world\n"
          sleep 1

    Aaron Patterson

  • Remove ActionDispatch::Head middleware in favor of Rack::Head. Santiago Pastorino

  • Deprecate :confirm in favor of data: { confirm: "Text" } option for button_to, button_tag, image_submit_tag, link_to and submit_tag helpers.

    Carlos Galdino + Rafael Mendonça França

  • Show routes in exception page while debugging a RoutingError in development.

    Richard Schneeman + Mattt Thompson + Yves Senn

  • Add ActionController::Flash.add_flash_types method to allow people to register their own flash types. e.g.:

    class ApplicationController
      add_flash_types :error, :warning

    If you add the above code, you can use <%= error %> in an erb, and redirect_to /foo, error: 'message' in a controller.


  • Remove Active Model dependency from Action Pack. Guillermo Iguaran

  • Support unicode characters in routes. Route will be automatically escaped, so instead of manually escaping:

    get Rack::Utils.escape('こんにちは') => 'home#index'

    You just have to write the unicode route:

    get 'こんにちは' => 'home#index'


  • Return proper format on exceptions. Santiago Pastorino

  • Allow to use mounted_helpers (helpers for accessing mounted engines) in ActionView::TestCase. Piotr Sarnacki

  • Include mounted_helpers (helpers for accessing mounted engines) in ActionDispatch::IntegrationTest by default. Piotr Sarnacki

  • Extracted redirect logic from ActionController::ForceSSL::ClassMethods.force_ssl into ActionController::ForceSSL#force_ssl_redirect

    Jeremy Friesen

  • Make possible to use a block in button_to if the button text is hard to fit into the name parameter, e.g.:

    <%= button_to [:make_happy, @user] do %>
      Make happy <strong><%= %></strong>
    <% end %>
    # => "<form method="post" action="/users/1/make_happy" class="button_to">
    #      <div>
    #        <button type="submit">
    #          Make happy <strong>Name</strong>
    #        </button>
    #      </div>
    #    </form>"

    Sergey Nartimov

  • Change a way of ordering helpers from several directories. Previously, when loading helpers from multiple paths, all of the helpers files were gathered into one array an then they were sorted. Helpers from different directories should not be mixed before loading them to make loading more predictable. The most common use case for such behavior is loading helpers from engines. When you load helpers from application and engine Foo, in that order, first rails will load all of the helpers from application, sorted alphabetically and then it will do the same for Foo engine.

    Piotr Sarnacki

  • truncate now always returns an escaped HTML-safe string. The option :escape can be used as false to not escape the result.

    Li Ellis Gallardo + Rafael Mendonça França

  • truncate now accepts a block to show extra content when the text is truncated. Li Ellis Gallardo

  • Add week_field, week_field_tag, month_field, month_field_tag, datetime_local_field, datetime_local_field_tag, datetime_field and datetime_field_tag helpers. Carlos Galdino

  • Add color_field and color_field_tag helpers. Carlos Galdino

  • assert_generates, assert_recognizes, and assert_routing all raise Assertion instead of RoutingError David Chelimsky

  • URL path parameters with invalid encoding now raise ActionController::BadRequest. Andrew White

  • Malformed query and request parameter hashes now raise ActionController::BadRequest. Andrew White

  • Add divider option to grouped_options_for_select to generate a separator optgroup automatically, and deprecate prompt as third argument, in favor of using an options hash. Nicholas Greenfield

  • Add time_field and time_field_tag helpers which render an input[type="time"] tag. Alex Soulim

  • Removed old text helper apis from highlight, excerpt and word_wrap. Jeremy Walker

  • Templates without a handler extension now raises a deprecation warning but still defaults to ERB. In future releases, it will simply return the template contents. Steve Klabnik

  • Deprecate :disable_with in favor of data: { disable_with: "Text" } option from submit_tag, button_tag and button_to helpers.

    Carlos Galdino + Rafael Mendonça França

  • Remove :mouseover option from image_tag helper. Rafael Mendonça França

  • The select method (select tag) forces :include_blank if required is true and display size is one and multiple is not true. Angelo Capilleri

  • Copy literal route constraints to defaults so that url generation know about them. The copied constraints are :protocol, :subdomain, :domain, :host and :port.

    Andrew White

  • respond_to and respond_with now raise ActionController::UnknownFormat instead of directly returning head 406. The exception is rescued and converted to 406 in the exception handling middleware. Steven Soroka

  • Allows assert_redirected_to to match against a regular expression. Andy Lindeman

  • Add backtrace to development routing error page. Richard Schneeman

  • Replace include_seconds boolean argument with include_seconds: true option in distance_of_time_in_words and time_ago_in_words signature. Dmitriy Kiriyenko

  • Make current object and counter (when it applies) variables accessible when rendering templates with :object / :collection. Carlos Antonio da Silva

  • JSONP now uses mimetype text/javascript instead of application/json. omjokine

  • Allow to lazy load default_form_builder by passing a String instead of a constant. Piotr Sarnacki

  • Session arguments passed to process calls in functional tests are now merged into the existing session, whereas previously they would replace the existing session. This change may break some existing tests if they are asserting the exact contents of the session but should not break existing tests that only assert individual keys.

    Andrew White

  • In the routes DSL the :via option of match is now mandatory.

    For routes that respond to one single verb it is recommended to use the more specific macros get, post, etc. instead. You can still map all HTTP verbs to one action with match, but it has to be explictly configured using :via => :all.

    José Valim and Yehuda Katz

  • Add index method to FormBuilder class. Jorge Bejar

  • Remove the leading \n added by textarea on assert_select. Santiago Pastorino

  • Changed default value for config.action_view.embed_authenticity_token_in_remote_forms to false. This change breaks remote forms that need to work also without JavaScript, so if you need such behavior, you can either set it to true or explicitly pass authenticity_token: true in form options.

  • Added ActionDispatch::SSL middleware that when included force all the requests to be under HTTPS protocol. Rafael Mendonça França

  • Add include_hidden option to select tag. With include_hidden: false select with multiple attribute doesn't generate hidden input with blank value. Vasiliy Ermolovich

  • Removed default size option from the text_field, search_field, telephone_field, url_field, email_field helpers. Philip Arndt

  • Removed default cols and rows options from the text_area helper. Philip Arndt

  • Adds support for layouts when rendering a partial with a given collection. serabe

  • Allows the route helper root to take a string argument. For example, root 'pages#main'. bcardarella

  • Forms of persisted records use always PATCH (via the _method hack). fxn

  • For resources, both PATCH and PUT are routed to the update action. fxn

  • Don't ignore force_ssl in development. This is a change of behavior - use a :if condition to recreate the old behavior.

    class AccountsController < ApplicationController
      force_ssl if: :ssl_configured?
      def ssl_configured?

    Pat Allan

  • Adds support for the PATCH verb:

    • Request objects respond to patch?.
    • Routes have a new patch method, and understand :patch in the existing places where a verb is configured, like :via.
    • New method patch available in functional tests.
    • If :patch is the default verb for updates, edits are tunneled as PATCH rather than as PUT, and routing acts accordingly.
    • New method patch_via_redirect available in integration tests.


  • expires_in accepts a must_revalidate flag. If true, "must-revalidate" is added to the Cache-Control header. fxn

  • Add date_field and date_field_tag helpers which render an input[type="date"] tag Olek Janiszewski

  • Adds image_url, javascript_url, stylesheet_url, audio_url, video_url, and font_url to assets tag helper. These URL helpers will return the full path to your assets. This is useful when you are going to reference this asset from external host. Prem Sichanugrist

  • Default responder will now always use your overridden block in respond_with to render your response. Prem Sichanugrist

  • Allow value_method and text_method arguments from collection_select and options_from_collection_for_select to receive an object that responds to :call, such as a proc, to evaluate the option in the current element context. This works the same way with collection_radio_buttons and collection_check_boxes.

    Carlos Antonio da Silva + Rafael Mendonça França

  • Add collection_check_boxes form helper, similar to collection_select: Example:

    collection_check_boxes :post, :author_ids, Author.all, :id, :name
    # Outputs something like:
    <input id="post_author_ids_1" name="post[author_ids][]" type="checkbox" value="1" />
    <label for="post_author_ids_1">D. Heinemeier Hansson</label>
    <input id="post_author_ids_2" name="post[author_ids][]" type="checkbox" value="2" />
    <label for="post_author_ids_2">D. Thomas</label>
    <input name="post[author_ids][]" type="hidden" value="" />

    The label/check_box pairs can be customized with a block.

    Carlos Antonio da Silva + Rafael Mendonça França

  • Add collection_radio_buttons form helper, similar to collection_select: Example:

    collection_radio_buttons :post, :author_id, Author.all, :id, :name
    # Outputs something like:
    <input id="post_author_id_1" name="post[author_id]" type="radio" value="1" />
    <label for="post_author_id_1">D. Heinemeier Hansson</label>
    <input id="post_author_id_2" name="post[author_id]" type="radio" value="2" />
    <label for="post_author_id_2">D. Thomas</label>

    The label/radio_button pairs can be customized with a block.

    Carlos Antonio da Silva + Rafael Mendonça França

  • check_box with :form html5 attribute will now replicate the :form attribute to the hidden field as well. Carlos Antonio da Silva

  • label form helper accepts for: nil to not generate the attribute. Carlos Antonio da Silva

  • Add :format option to number_to_percentage. Rodrigo Flores

  • Add config.action_view.logger to configure logger for Action View. Rafael Mendonça França

  • Deprecated ActionController::Integration in favour of ActionDispatch::Integration.

  • Deprecated ActionController::IntegrationTest in favour of ActionDispatch::IntegrationTest.

  • Deprecated ActionController::PerformanceTest in favour of ActionDispatch::PerformanceTest.

  • Deprecated ActionController::AbstractRequest in favour of ActionDispatch::Request.

  • Deprecated ActionController::Request in favour of ActionDispatch::Request.

  • Deprecated ActionController::AbstractResponse in favour of ActionDispatch::Response.

  • Deprecated ActionController::Response in favour of ActionDispatch::Response.

  • Deprecated ActionController::Routing in favour of ActionDispatch::Routing.

  • check_box helper with disabled: true will generate a disabled hidden field to conform with the HTML convention where disabled fields are not submitted with the form. This is a behavior change, previously the hidden tag had a value of the disabled checkbox. Tadas Tamosauskas

  • favicon_link_tag helper will now use the favicon in app/assets by default. Lucas Caton

  • ActionView::Helpers::TextHelper#highlight now defaults to the HTML5 mark element. Brian Cardarella

Please check 3-2-stable for previous changes.

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