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Rails 5.0.0.beta4 (April 27, 2016)

  • Routing: Refactor :action default handling to ensure that path parameters are not mutated during route generation.

    Andrew White

  • Add extension synonyms yml and yaml for MIME type application/x-yaml.

    bogdanvlviv

  • Adds support for including ActionController::Cookies in API controllers. Previously, including the module would raise when trying to define a cookies helper method. Skip calling #helper_method if it is not defined -- if we don't have helpers, we needn't define one.

    Fixes #24304

    Ryan T. Hosford

  • ETags: Introduce Response#strong_etag= and #weak_etag= and analogous options for fresh_when and stale?. Response#etag= sets a weak ETag.

    Strong ETags are desirable when you're serving byte-for-byte identical responses that support Range requests, like PDFs or videos (typically done by reproxying the response from a backend storage service). Also desirable when fronted by some CDNs that support strong ETags only, like Akamai.

    Jeremy Daer

  • ETags: No longer strips quotes (") from ETag values before comparing them. Quotes are significant, part of the ETag. A quoted ETag and an unquoted one are not the same entity.

    Jeremy Daer

  • ETags: Support If-None-Match: *. Rarely useful for GET requests; meant to provide some optimistic concurrency control for PUT requests.

    Jeremy Daer

  • ActionDispatch::ParamsParser is deprecated and was removed from the middleware stack. To configure the parameter parsers use ActionDispatch::Request.parameter_parsers=.

    tenderlove

  • When a respond_to collector with a block doesn't have a response, then a :no_content response should be rendered. This brings the default rendering behavior introduced by https://github.com/rails/rails/issues/19036 to controller methods employing respond_to.

    Justin Coyne

  • Add ActionController::Parameters#dig on Ruby 2.3 and greater, which behaves the same as Hash#dig.

    Sean Griffin

  • Add request headers in the payload of the start_processing.action_controller and process_action.action_controller notifications.

    Gareth du Plooy

  • Add action_dispatch_integration_test load hook. The hook can be used to extend ActionDispatch::IntegrationTest once it has been loaded.

    Yuichiro Kaneko

  • Update default rendering policies when the controller action did not explicitly indicate a response.

    For API controllers, the implicit render always renders "204 No Content" and does not account for any templates.

    For other controllers, the following conditions are checked:

    First, if a template exists for the controller action, it is rendered. This template lookup takes into account the action name, locales, format, variant, template handlers, etc. (see render for details).

    Second, if other templates exist for the controller action but is not in the right format (or variant, etc.), an ActionController::UnknownFormat is raised. The list of available templates is assumed to be a complete enumeration of all the possible formats (or variants, etc.); that is, having only HTML and JSON templates indicate that the controller action is not meant to handle XML requests.

    Third, if the current request is an "interactive" browser request (the user navigated here by entering the URL in the address bar, submitting a form, clicking on a link, etc. as opposed to an XHR or non-browser API request), ActionView::UnknownFormat is raised to display a helpful error message.

    Finally, it falls back to the same "204 No Content" behavior as API controllers.

    Godfrey Chan, Jon Moss, Kasper Timm Hansen, Mike Clark, Matthew Draper

Rails 5.0.0.beta3 (February 24, 2016)

  • Add "application/gzip" as a default mime type.

    Mehmet Emin İNAÇ

  • Add request encoding and response parsing to integration tests.

    What previously was:

    require 'test_helper'
    
    class ApiTest < ActionDispatch::IntegrationTest
      test 'creates articles' do
        assert_difference -> { Article.count } do
          post articles_path(format: :json),
            params: { article: { title: 'Ahoy!' } }.to_json,
            headers: { 'Content-Type' => 'application/json' }
        end
    
        assert_equal({ 'id' => Article.last.id, 'title' => 'Ahoy!' }, JSON.parse(response.body))
      end
    end

    Can now be written as:

    require 'test_helper'
    
    class ApiTest < ActionDispatch::IntegrationTest
      test 'creates articles' do
        assert_difference -> { Article.count } do
          post articles_path, params: { article: { title: 'Ahoy!' } }, as: :json
        end
    
        assert_equal({ 'id' => Article.last.id, 'title' => 'Ahoy!' }, response.parsed_body)
      end
    end

    Passing as: :json to integration test request helpers will set the format, content type and encode the parameters as JSON.

    Then on the response side, parsed_body will parse the body according to the content type the response has.

    Currently JSON is the only supported MIME type. Add your own with ActionDispatch::IntegrationTest.register_encoder.

    Kasper Timm Hansen

  • Add "image/svg+xml" as a default mime type.

    DHH

Rails 5.0.0.beta2 (February 01, 2016)

  • Add -g and -c options to bin/rails routes. These options return the url name, verb and path field that match the pattern or match a specific controller.

    Deprecate CONTROLLER env variable in bin/rails routes.

    See #18902.

    Anton Davydov, Vipul A M

  • Response etags to always be weak: Prefixes 'W/' to value returned by ActionDispatch::Http::Cache::Response#etag=, such that etags set in fresh_when and stale? are weak.

    Fixes #17556.

    Abhishek Yadav

  • Provide the name of HTTP Status code in assertions.

    Sean Collins

  • More explicit error message when running rake routes. CONTROLLER argument can now be supplied in different ways: Rails::WelcomeController, Rails::Welcome, rails/welcome.

    Fixes #22918.

    Edouard Chin

  • Allow ActionController::Parameters instances as an argument to URL helper methods. An ArgumentError will be raised if the passed parameters are not secure.

    Fixes #22832.

    Prathamesh Sonpatki

  • Add option for per-form CSRF tokens.

    Greg Ose, Ben Toews

  • Fix ActionController::Parameters#convert_parameters_to_hashes to return filtered or unfiltered values based on from where it is called, to_h or to_unsafe_h respectively.

    Fixes #22841.

    Prathamesh Sonpatki

  • Add ActionController::Parameters#include?

    Justin Coyne

Rails 5.0.0.beta1 (December 18, 2015)

  • Deprecate redirect_to :back in favor of redirect_back, which accepts a required fallback_location argument, thus eliminating the possibility of a RedirectBackError.

    Derek Prior

  • Add redirect_back method to ActionController::Redirecting to provide a way to safely redirect to the HTTP_REFERER if it is present, falling back to a provided redirect otherwise.

    Derek Prior

  • ActionController::TestCase will be moved to its own gem in Rails 5.1.

    With the speed improvements made to ActionDispatch::IntegrationTest we no longer need to keep two separate code bases for testing controllers. In Rails 5.1 ActionController::TestCase will be deprecated and moved into a gem outside of Rails source.

    This is a documentation deprecation so that going forward new tests will use ActionDispatch::IntegrationTest instead of ActionController::TestCase.

    Eileen M. Uchitelle

  • Add a response_format option to ActionDispatch::DebugExceptions to configure the format of the response when errors occur in development mode.

    If response_format is :default the debug info will be rendered in an HTML page. In the other hand, if the provided value is :api the debug info will be rendered in the original response format.

    Jorge Bejar

  • Change the protect_from_forgery prepend default to false.

    Per this comment https://github.com/rails/rails/pull/18334#issuecomment-69234050 we want protect_from_forgery to default to prepend: false.

    protect_from_forgery will now be inserted into the callback chain at the point it is called in your application. This is useful for cases where you want to protect_from_forgery after you perform required authentication callbacks or other callbacks that are required to run after forgery protection.

    If you want protect_from_forgery callbacks to always run first, regardless of position they are called in your application then you can add prepend: true to your protect_from_forgery call.

    Example:

    protect_from_forgery prepend: true

    Eileen M. Uchitelle

  • In url_for, never append a question mark to the URL when the query string is empty anyway. (It used to do that when called like url_for(controller: 'x', action: 'y', q: {}).)

    Paul Grayson

  • Catch invalid UTF-8 querystring values and respond with BadRequest

    Check querystring params for invalid UTF-8 characters, and raise an ActionController::BadRequest error if present. Previously these strings would typically trigger errors further down the stack.

    Grey Baker

  • Parse RSS/ATOM responses as XML, not HTML.

    Alexander Kaupanin

  • Show helpful message in BadRequest exceptions due to invalid path parameter encodings.

    Fixes #21923.

    Agis Anastasopoulos

  • Add the ability of returning arbitrary headers to ActionDispatch::Static.

    Now ActionDispatch::Static can accept HTTP headers so that developers will have control of returning arbitrary headers like 'Access-Control-Allow-Origin' when a response is delivered. They can be configured with #config:

    Example:

    config.public_file_server.headers = {
      "Cache-Control"               => "public, max-age=60",
      "Access-Control-Allow-Origin" => "http://rubyonrails.org"
    }
    

    Yuki Nishijima

  • Allow multiple root routes in same scope level. Example:

    Example:

    root 'blog#show', constraints: ->(req) { Hostname.blog_site?(req.host) }
    root 'landing#show'
    

    Rafael Sales

  • Fix regression in mounted engine named routes generation for app deployed to a subdirectory. relative_url_root was prepended to the path twice (e.g. "/subdir/subdir/engine_path" instead of "/subdir/engine_path")

    Fixes #20920. Fixes #21459.

    Matthew Erhard

  • ActionDispatch::Response#new no longer applies default headers. If you want default headers applied to the response object, then call ActionDispatch::Response.create. This change only impacts people who are directly constructing an ActionDispatch::Response object.

  • Accessing mime types via constants like Mime::HTML is deprecated. Please change code like this:

    Mime::HTML
    

    To this:

    Mime[:html]
    

    This change is so that Rails will not manage a list of constants, and fixes an issue where if a type isn't registered you could possibly get the wrong object.

    Mime[:html] is available in older versions of Rails, too, so you can safely change libraries and plugins and maintain compatibility with multiple versions of Rails.

  • url_for does not modify its arguments when generating polymorphic URLs.

    Bernerd Schaefer

  • Make it easier to opt in to config.force_ssl and config.ssl_options by making them less dangerous to try and easier to disable.

    SSL redirect:

    • Move :host and :port options within redirect: { … }. Deprecate.
    • Introduce :status and :body to customize the redirect response. The 301 permanent default makes it difficult to test the redirect and back out of it since browsers remember the 301. Test with a 302 or 307 instead, then switch to 301 once you're confident that all is well.

    HTTP Strict Transport Security (HSTS):

    • Shorter max-age. Shorten the default max-age from 1 year to 180 days, the low end for https://www.ssllabs.com/ssltest/ grading and greater than the 18-week minimum to qualify for browser preload lists.
    • Disabling HSTS. Setting hsts: false now sets hsts { expires: 0 } instead of omitting the header. Omitting does nothing to disable HSTS since browsers hang on to your previous settings until they expire. Sending { hsts: { expires: 0 }} flushes out old browser settings and actually disables HSTS: http://tools.ietf.org/html/rfc6797#section-6.1.1
    • HSTS Preload. Introduce preload: true to set the preload flag, indicating that your site may be included in browser preload lists, including Chrome, Firefox, Safari, IE11, and Edge. Submit your site: https://hstspreload.appspot.com

    Jeremy Daer

  • Update ActionController::TestSession#fetch to behave more like ActionDispatch::Request::Session#fetch when using non-string keys.

    Jeremy Friesen

  • Using strings or symbols for middleware class names is deprecated. Convert things like this:

    middleware.use "Foo::Bar"

    to this:

    middleware.use Foo::Bar

  • ActionController::TestSession now accepts a default value as well as a block for generating a default value based off the key provided.

    This fixes calls to session#fetch in ApplicationController instances that take more two arguments or a block from raising ArgumentError: wrong number of arguments (2 for 1) when performing controller tests.

    Matthew Gerrior

  • Fix ActionController::Parameters#fetch overwriting KeyError returned by default block.

    Jonas Schuber Erlandsson, Roque Pinel

  • ActionController::Parameters no longer inherits from HashWithIndifferentAccess

    Inheriting from HashWithIndifferentAccess allowed users to call any enumerable methods on Parameters object, resulting in a risk of losing the permitted? status or even getting back a pure Hash object instead of a Parameters object with proper sanitization.

    By not inheriting from HashWithIndifferentAccess, we are able to make sure that all methods that are defined in Parameters object will return a proper Parameters object with a correct permitted? flag.

    Prem Sichanugrist

  • Replaced ActiveSupport::Concurrency::Latch with Concurrent::CountDownLatch from the concurrent-ruby gem.

    Jerry D'Antonio

  • Add ability to filter parameters based on parent keys.

    # matches {credit_card: {code: "xxxx"}}
    # doesn't match {file: { code: "xxxx"}}
    config.filter_parameters += [ "credit_card.code" ]
    

    See #13897.

    Guillaume Malette

  • Deprecate passing first parameter as Hash and default status code for head method.

    Mehmet Emin İNAÇ

  • AddsRack::Utils::ParameterTypeError and Rack::Utils::InvalidParameterError to the rescue_responses hash in ExceptionWrapper (Rack recommends integrators serve 400s for both of these).

    Grey Baker

  • Add support for API only apps. ActionController::API is added as a replacement of ActionController::Base for this kind of applications.

    Santiago Pastorino, Jorge Bejar

  • Remove assigns and assert_template. Both methods have been extracted into a gem at https://github.com/rails/rails-controller-testing.

    See #18950.

    Alan Guo Xiang Tan

  • FileHandler and Static middleware initializers accept index argument to configure the directory index file name. Defaults to index (as in index.html).

    See #20017.

    Eliot Sykes

  • Deprecate :nothing option for render method.

    Mehmet Emin İNAÇ

  • Fix rake routes not showing the right format when nesting multiple routes.

    See #18373.

    Ravil Bayramgalin

  • Add ability to override default form builder for a controller.

    class AdminController < ApplicationController
      default_form_builder AdminFormBuilder
    end
    

    Kevin McPhillips

  • For actions with no corresponding templates, render head :no_content instead of raising an error. This allows for slimmer API controller methods that simply work, without needing further instructions.

    See #19036.

    Stephen Bussey

  • Provide friendlier access to request variants.

    request.variant = :phone
    request.variant.phone?  # true
    request.variant.tablet? # false
    
    request.variant = [:phone, :tablet]
    request.variant.phone?                  # true
    request.variant.desktop?                # false
    request.variant.any?(:phone, :desktop)  # true
    request.variant.any?(:desktop, :watch)  # false
    

    George Claghorn

  • Fix regression where a gzip file response would have a Content-type, even when it was a 304 status code.

    See #19271.

    Kohei Suzuki

  • Fix handling of empty X_FORWARDED_HOST header in raw_host_with_port.

    Previously, an empty X_FORWARDED_HOST header would cause Actiondispatch::Http:URL.raw_host_with_port to return nil, causing Actiondispatch::Http:URL.host to raise a NoMethodError.

    Adam Forsyth

  • Allow Bearer as token-keyword in Authorization-Header.

    Additionally to Token, the keyword Bearer is acceptable as a keyword for the auth-token. The Bearer keyword is described in the original OAuth RFC and used in libraries like Angular-JWT.

    See #19094.

    Peter Schröder

  • Drop request class from RouteSet constructor.

    If you would like to use a custom request class, please subclass and implement the request_class method.

    tenderlove@ruby-lang.org

  • Fallback to ENV['RAILS_RELATIVE_URL_ROOT'] in url_for.

    Fixed an issue where the RAILS_RELATIVE_URL_ROOT environment variable is not prepended to the path when url_for is called. If SCRIPT_NAME (used by Rack) is set, it takes precedence.

    Fixes #5122.

    Yasyf Mohamedali

  • Partitioning of routes is now done when the routes are being drawn. This helps to decrease the time spent filtering the routes during the first request.

    Guo Xiang Tan

  • Fix regression in functional tests. Responses should have default headers assigned.

    See #18423.

    Jeremy Kemper, Yves Senn

  • Deprecate AbstractController#skip_action_callback in favor of individual skip_callback methods (which can be made to raise an error if no callback was removed).

    Iain Beeston

  • Alias the ActionDispatch::Request#uuid method to ActionDispatch::Request#request_id. Due to implementation, config.log_tags = [:request_id] also works in substitute for config.log_tags = [:uuid].

    David Ilizarov

  • Change filter on /rails/info/routes to use an actual path regexp from rails and not approximate javascript version. Oniguruma supports much more extensive list of features than javascript regexp engine.

    Fixes #18402.

    Ravil Bayramgalin

  • Non-string authenticity tokens do not raise NoMethodError when decoding the masked token.

    Ville Lautanala

  • Add http_cache_forever to Action Controller, so we can cache a response that never gets expired.

    arthurnn

  • ActionController#translate supports symbols as shortcuts. When a shortcut is given it also performs the lookup without the action name.

    Max Melentiev

  • Expand ActionController::ConditionalGet#fresh_when and stale? to also accept a collection of records as the first argument, so that the following code can be written in a shorter form.

    # Before
    def index
      @articles = Article.all
      fresh_when(etag: @articles, last_modified: @articles.maximum(:updated_at))
    end
    
    # After
    def index
      @articles = Article.all
      fresh_when(@articles)
    end
    

    claudiob

  • Explicitly ignored wildcard verbs when searching for HEAD routes before fallback

    Fixes an issue where a mounted rack app at root would intercept the HEAD request causing an incorrect behavior during the fall back to GET requests.

    Example:

    draw do
        get '/home' => 'test#index'
        mount rack_app, at: '/'
    end
    head '/home'
    assert_response :success
    

    In this case, a HEAD request runs through the routes the first time and fails to match anything. Then, it runs through the list with the fallback and matches get '/home'. The original behavior would match the rack app in the first pass.

    Terence Sun

  • Migrating xhr methods to keyword arguments syntax in ActionController::TestCase and ActionDispatch::Integration

    Old syntax:

    xhr :get, :create, params: { id: 1 }
    

    New syntax example:

    get :create, params: { id: 1 }, xhr: true
    

    Kir Shatrov

  • Migrating to keyword arguments syntax in ActionController::TestCase and ActionDispatch::Integration HTTP request methods.

    Example:

    post :create, params: { y: x }, session: { a: 'b' }
    get :view, params: { id: 1 }
    get :view, params: { id: 1 }, format: :json
    

    Kir Shatrov

  • Preserve default url options when generating URLs.

    Fixes an issue that would cause default_url_options to be lost when generating URLs with fewer positional arguments than parameters in the route definition.

    Tekin Suleyman

  • Deprecate *_via_redirect integration test methods.

    Use follow_redirect! manually after the request call for the same behavior.

    Aditya Kapoor

  • Add ActionController::Renderer to render arbitrary templates outside controller actions.

    Its functionality is accessible through class methods render and renderer of ActionController::Base.

    Ravil Bayramgalin

  • Support :assigns option when rendering with controllers/mailers.

    Ravil Bayramgalin

  • Default headers, removed in controller actions, are no longer reapplied on the test response.

    Jonas Baumann

  • Deprecate all *_filter callbacks in favor of *_action callbacks.

    Rafael Mendonça França

  • Allow you to pass prepend: false to protect_from_forgery to have the verification callback appended instead of prepended to the chain. This allows you to let the verification step depend on prior callbacks.

    Example:

    class ApplicationController < ActionController::Base
      before_action :authenticate
      protect_from_forgery prepend: false, unless: -> { @authenticated_by.oauth? }
    
      private
        def authenticate
          if oauth_request?
            # authenticate with oauth
            @authenticated_by = 'oauth'.inquiry
          else
            # authenticate with cookies
            @authenticated_by = 'cookie'.inquiry
          end
        end
    end
    

    Josef Šimánek

  • Remove ActionController::HideActions.

    Ravil Bayramgalin

  • Remove respond_to/respond_with placeholder methods, this functionality has been extracted to the responders gem.

    Carlos Antonio da Silva

  • Remove deprecated assertion files.

    Rafael Mendonça França

  • Remove deprecated usage of string keys in URL helpers.

    Rafael Mendonça França

  • Remove deprecated only_path option on *_path helpers.

    Rafael Mendonça França

  • Remove deprecated NamedRouteCollection#helpers.

    Rafael Mendonça França

  • Remove deprecated support to define routes with :to option that doesn't contain #.

    Rafael Mendonça França

  • Remove deprecated ActionDispatch::Response#to_ary.

    Rafael Mendonça França

  • Remove deprecated ActionDispatch::Request#deep_munge.

    Rafael Mendonça França

  • Remove deprecated ActionDispatch::Http::Parameters#symbolized_path_parameters.

    Rafael Mendonça França

  • Remove deprecated option use_route in controller tests.

    Rafael Mendonça França

  • Ensure append_info_to_payload is called even if an exception is raised.

    Fixes an issue where when an exception is raised in the request the additional payload data is not available.

    See #14903.

    Dieter Komendera, Margus Pärt

  • Correctly rely on the response's status code to handle calls to head.

    Robin Dupret

  • Using head method returns empty response_body instead of returning a single space " ".

    The old behavior was added as a workaround for a bug in an early version of Safari, where the HTTP headers are not returned correctly if the response body has a 0-length. This is been fixed since and the workaround is no longer necessary.

    Fixes #18253.

    Prathamesh Sonpatki

  • Fix how polymorphic routes works with objects that implement to_model.

    Travis Grathwell

  • Stop converting empty arrays in params to nil.

    This behavior was introduced in response to CVE-2012-2660, CVE-2012-2694 and CVE-2013-0155

    ActiveRecord now issues a safe query when passing an empty array into a where clause, so there is no longer a need to defend against this type of input (any nils are still stripped from the array).

    Chris Sinjakli

  • Fixed usage of optional scopes in url helpers.

    Alex Robbin

  • Fixed handling of positional url helper arguments when format: false.

    Fixes #17819.

    Andrew White, Tatiana Soukiassian

Please check 4-2-stable for previous changes.

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