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diff --git a/guides/source/5_1_release_notes.md b/guides/source/5_1_release_notes.md new file mode 100644 index 0000000000..a5a7eb4b2e --- /dev/null +++ b/guides/source/5_1_release_notes.md @@ -0,0 +1,659 @@ +**DO NOT READ THIS FILE ON GITHUB, GUIDES ARE PUBLISHED ON https://guides.rubyonrails.org.** + +Ruby on Rails 5.1 Release Notes +=============================== + +Highlights in Rails 5.1: + +* Yarn Support +* Optional Webpack support +* jQuery no longer a default dependency +* System tests +* Encrypted secrets +* Parameterized mailers +* Direct & resolved routes +* Unification of form_for and form_tag into form_with + +These release notes cover only the major changes. To learn about various bug +fixes and changes, please refer to the change logs or check out the [list of +commits](https://github.com/rails/rails/commits/5-1-stable) in the main Rails +repository on GitHub. + +-------------------------------------------------------------------------------- + +Upgrading to Rails 5.1 +---------------------- + +If you're upgrading an existing application, it's a great idea to have good test +coverage before going in. You should also first upgrade to Rails 5.0 in case you +haven't and make sure your application still runs as expected before attempting +an update to Rails 5.1. A list of things to watch out for when upgrading is +available in the +[Upgrading Ruby on Rails](upgrading_ruby_on_rails.html#upgrading-from-rails-5-0-to-rails-5-1) +guide. + + +Major Features +-------------- + +### Yarn Support + +[Pull Request](https://github.com/rails/rails/pull/26836) + +Rails 5.1 allows managing JavaScript dependencies +from NPM via Yarn. This will make it easy to use libraries like React, VueJS +or any other library from NPM world. The Yarn support is integrated with +the asset pipeline so that all dependencies will work seamlessly with the +Rails 5.1 app. + +### Optional Webpack support + +[Pull Request](https://github.com/rails/rails/pull/27288) + +Rails apps can integrate with [Webpack](https://webpack.js.org/), a JavaScript +asset bundler, more easily using the new [Webpacker](https://github.com/rails/webpacker) +gem. Use the `--webpack` flag when generating new applications to enable Webpack +integration. + +This is fully compatible with the asset pipeline, which you can continue to use for +images, fonts, sounds, and other assets. You can even have some JavaScript code +managed by the asset pipeline, and other code processed via Webpack. All of this is managed +by Yarn, which is enabled by default. + +### jQuery no longer a default dependency + +[Pull Request](https://github.com/rails/rails/pull/27113) + +jQuery was required by default in earlier versions of Rails to provide features +like `data-remote`, `data-confirm` and other parts of Rails' Unobtrusive JavaScript +offerings. It is no longer required, as the UJS has been rewritten to use plain, +vanilla JavaScript. This code now ships inside of Action View as +`rails-ujs`. + +You can still use jQuery if needed, but it is no longer required by default. + +### System tests + +[Pull Request](https://github.com/rails/rails/pull/26703) + +Rails 5.1 has baked-in support for writing Capybara tests, in the form of +System tests. You no longer need to worry about configuring Capybara and +database cleaning strategies for such tests. Rails 5.1 provides a wrapper +for running tests in Chrome with additional features such as failure +screenshots. + +### Encrypted secrets + +[Pull Request](https://github.com/rails/rails/pull/28038) + +Rails now allows management of application secrets in a secure way, +inspired by the [sekrets](https://github.com/ahoward/sekrets) gem. + +Run `bin/rails secrets:setup` to setup a new encrypted secrets file. This will +also generate a master key, which must be stored outside of the repository. The +secrets themselves can then be safely checked into the revision control system, +in an encrypted form. + +Secrets will be decrypted in production, using a key stored either in the +`RAILS_MASTER_KEY` environment variable, or in a key file. + +### Parameterized mailers + +[Pull Request](https://github.com/rails/rails/pull/27825) + +Allows specifying common parameters used for all methods in a mailer class in +order to share instance variables, headers, and other common setup. + +``` ruby +class InvitationsMailer < ApplicationMailer + before_action { @inviter, @invitee = params[:inviter], params[:invitee] } + before_action { @account = params[:inviter].account } + + def account_invitation + mail subject: "#{@inviter.name} invited you to their Basecamp (#{@account.name})" + end +end + +InvitationsMailer.with(inviter: person_a, invitee: person_b) + .account_invitation.deliver_later +``` + +### Direct & resolved routes + +[Pull Request](https://github.com/rails/rails/pull/23138) + +Rails 5.1 adds two new methods, `resolve` and `direct`, to the routing +DSL. The `resolve` method allows customizing polymorphic mapping of models. + +``` ruby +resource :basket + +resolve("Basket") { [:basket] } +``` + +``` erb +<%= form_for @basket do |form| %> + <!-- basket form --> +<% end %> +``` + +This will generate the singular URL `/basket` instead of the usual `/baskets/:id`. + +The `direct` method allows creation of custom URL helpers. + +``` ruby +direct(:homepage) { "http://www.rubyonrails.org" } + +>> homepage_url +=> "http://www.rubyonrails.org" +``` + +The return value of the block must be a valid argument for the `url_for` +method. So, you can pass a valid string URL, Hash, Array, an +Active Model instance, or an Active Model class. + +``` ruby +direct :commentable do |model| + [ model, anchor: model.dom_id ] +end + +direct :main do + { controller: 'pages', action: 'index', subdomain: 'www' } +end +``` + +### Unification of form_for and form_tag into form_with + +[Pull Request](https://github.com/rails/rails/pull/26976) + +Before Rails 5.1, there were two interfaces for handling HTML forms: +`form_for` for model instances and `form_tag` for custom URLs. + +Rails 5.1 combines both of these interfaces with `form_with`, and +can generate form tags based on URLs, scopes, or models. + +Using just a URL: + +``` erb +<%= form_with url: posts_path do |form| %> + <%= form.text_field :title %> +<% end %> + +<%# Will generate %> + +<form action="/posts" method="post" data-remote="true"> + <input type="text" name="title"> +</form> +``` + +Adding a scope prefixes the input field names: + +``` erb +<%= form_with scope: :post, url: posts_path do |form| %> + <%= form.text_field :title %> +<% end %> + +<%# Will generate %> + +<form action="/posts" method="post" data-remote="true"> + <input type="text" name="post[title]"> +</form> +``` + +Using a model infers both the URL and scope: + +``` erb +<%= form_with model: Post.new do |form| %> + <%= form.text_field :title %> +<% end %> + +<%# Will generate %> + +<form action="/posts" method="post" data-remote="true"> + <input type="text" name="post[title]"> +</form> +``` + +An existing model makes an update form and fills out field values: + +``` erb +<%= form_with model: Post.first do |form| %> + <%= form.text_field :title %> +<% end %> + +<%# Will generate %> + +<form action="/posts/1" method="post" data-remote="true"> + <input type="hidden" name="_method" value="patch"> + <input type="text" name="post[title]" value="<the title of the post>"> +</form> +``` + +Incompatibilities +----------------- + +The following changes may require immediate action upon upgrade. + +### Transactional tests with multiple connections + +Transactional tests now wrap all Active Record connections in database +transactions. + +When a test spawns additional threads, and those threads obtain database +connections, those connections are now handled specially: + +The threads will share a single connection, which is inside the managed +transaction. This ensures all threads see the database in the same +state, ignoring the outermost transaction. Previously, such additional +connections were unable to see the fixture rows, for example. + +When a thread enters a nested transaction, it will temporarily obtain +exclusive use of the connection, to maintain isolation. + +If your tests currently rely on obtaining a separate, +outside-of-transaction, connection in a spawned thread, you'll need to +switch to more explicit connection management. + +If your tests spawn threads and those threads interact while also using +explicit database transactions, this change may introduce a deadlock. + +The easy way to opt out of this new behavior is to disable transactional +tests on any test cases it affects. + +Railties +-------- + +Please refer to the [Changelog][railties] for detailed changes. + +### Removals + +* Remove deprecated `config.static_cache_control`. + ([commit](https://github.com/rails/rails/commit/c861decd44198f8d7d774ee6a74194d1ac1a5a13)) + +* Remove deprecated `config.serve_static_files`. + ([commit](https://github.com/rails/rails/commit/0129ca2eeb6d5b2ea8c6e6be38eeb770fe45f1fa)) + +* Remove deprecated file `rails/rack/debugger`. + ([commit](https://github.com/rails/rails/commit/7563bf7b46e6f04e160d664e284a33052f9804b8)) + +* Remove deprecated tasks: `rails:update`, `rails:template`, `rails:template:copy`, + `rails:update:configs` and `rails:update:bin`. + ([commit](https://github.com/rails/rails/commit/f7782812f7e727178e4a743aa2874c078b722eef)) + +* Remove deprecated `CONTROLLER` environment variable for `routes` task. + ([commit](https://github.com/rails/rails/commit/f9ed83321ac1d1902578a0aacdfe55d3db754219)) + +* Remove -j (--javascript) option from `rails new` command. + ([Pull Request](https://github.com/rails/rails/pull/28546)) + +### Notable changes + +* Added a shared section to `config/secrets.yml` that will be loaded for all + environments. + ([commit](https://github.com/rails/rails/commit/e530534265d2c32b5c5f772e81cb9002dcf5e9cf)) + +* The config file `config/secrets.yml` is now loaded in with all keys as symbols. + ([Pull Request](https://github.com/rails/rails/pull/26929)) + +* Removed jquery-rails from default stack. rails-ujs, which is shipped + with Action View, is included as default UJS adapter. + ([Pull Request](https://github.com/rails/rails/pull/27113)) + +* Add Yarn support in new apps with a yarn binstub and package.json. + ([Pull Request](https://github.com/rails/rails/pull/26836)) + +* Add Webpack support in new apps via the `--webpack` option, which will delegate + to the rails/webpacker gem. + ([Pull Request](https://github.com/rails/rails/pull/27288)) + +* Initialize Git repo when generating new app, if option `--skip-git` is not + provided. + ([Pull Request](https://github.com/rails/rails/pull/27632)) + +* Add encrypted secrets in `config/secrets.yml.enc`. + ([Pull Request](https://github.com/rails/rails/pull/28038)) + +* Display railtie class name in `rails initializers`. + ([Pull Request](https://github.com/rails/rails/pull/25257)) + +Action Cable +----------- + +Please refer to the [Changelog][action-cable] for detailed changes. + +### Notable changes + +* Added support for `channel_prefix` to Redis and evented Redis adapters + in `cable.yml` to avoid name collisions when using the same Redis server + with multiple applications. + ([Pull Request](https://github.com/rails/rails/pull/27425)) + +* Add `ActiveSupport::Notifications` hook for broadcasting data. + ([Pull Request](https://github.com/rails/rails/pull/24988)) + +Action Pack +----------- + +Please refer to the [Changelog][action-pack] for detailed changes. + +### Removals + +* Removed support for non-keyword arguments in `#process`, `#get`, `#post`, + `#patch`, `#put`, `#delete`, and `#head` for the `ActionDispatch::IntegrationTest` + and `ActionController::TestCase` classes. + ([Commit](https://github.com/rails/rails/commit/98b8309569a326910a723f521911e54994b112fb), + [Commit](https://github.com/rails/rails/commit/de9542acd56f60d281465a59eac11e15ca8b3323)) + +* Removed deprecated `ActionDispatch::Callbacks.to_prepare` and + `ActionDispatch::Callbacks.to_cleanup`. + ([Commit](https://github.com/rails/rails/commit/3f2b7d60a52ffb2ad2d4fcf889c06b631db1946b)) + +* Removed deprecated methods related to controller filters. + ([Commit](https://github.com/rails/rails/commit/d7be30e8babf5e37a891522869e7b0191b79b757)) + +* Removed deprecated support to `:text` and `:nothing` in `render`. + ([Commit](https://github.com/rails/rails/commit/79a5ea9eadb4d43b62afacedc0706cbe88c54496), + [Commit](https://github.com/rails/rails/commit/57e1c99a280bdc1b324936a690350320a1cd8111)) + +* Removed deprecated support for calling `HashWithIndifferentAccess` methods on `ActionController::Parameters`. + ([Commit](https://github.com/rails/rails/pull/26746/commits/7093ceb480ad6a0a91b511832dad4c6a86981b93)) + +### Deprecations + +* Deprecated `config.action_controller.raise_on_unfiltered_parameters`. + It doesn't have any effect in Rails 5.1. + ([Commit](https://github.com/rails/rails/commit/c6640fb62b10db26004a998d2ece98baede509e5)) + +### Notable changes + +* Added the `direct` and `resolve` methods to the routing DSL. + ([Pull Request](https://github.com/rails/rails/pull/23138)) + +* Added a new `ActionDispatch::SystemTestCase` class to write system tests in + your applications. + ([Pull Request](https://github.com/rails/rails/pull/26703)) + +Action View +------------- + +Please refer to the [Changelog][action-view] for detailed changes. + +### Removals + +* Removed deprecated `#original_exception` in `ActionView::Template::Error`. + ([commit](https://github.com/rails/rails/commit/b9ba263e5aaa151808df058f5babfed016a1879f)) + +* Remove the option `encode_special_chars` misnomer from `strip_tags`. + ([Pull Request](https://github.com/rails/rails/pull/28061)) + +### Deprecations + +* Deprecated Erubis ERB handler in favor of Erubi. + ([Pull Request](https://github.com/rails/rails/pull/27757)) + +### Notable changes + +* Raw template handler (the default template handler in Rails 5) now outputs + HTML-safe strings. + ([commit](https://github.com/rails/rails/commit/1de0df86695f8fa2eeae6b8b46f9b53decfa6ec8)) + +* Change `datetime_field` and `datetime_field_tag` to generate `datetime-local` + fields. + ([Pull Request](https://github.com/rails/rails/pull/25469)) + +* New Builder-style syntax for HTML tags (`tag.div`, `tag.br`, etc.) + ([Pull Request](https://github.com/rails/rails/pull/25543)) + +* Add `form_with` to unify `form_tag` and `form_for` usage. + ([Pull Request](https://github.com/rails/rails/pull/26976)) + +* Add `check_parameters` option to `current_page?`. + ([Pull Request](https://github.com/rails/rails/pull/27549)) + +Action Mailer +------------- + +Please refer to the [Changelog][action-mailer] for detailed changes. + +### Notable changes + +* Allowed setting custom content type when attachments are included + and body is set inline. + ([Pull Request](https://github.com/rails/rails/pull/27227)) + +* Allowed passing lambdas as values to the `default` method. + ([Commit](https://github.com/rails/rails/commit/1cec84ad2ddd843484ed40b1eb7492063ce71baf)) + +* Added support for parameterized invocation of mailers to share before filters and defaults + between different mailer actions. + ([Commit](https://github.com/rails/rails/commit/1cec84ad2ddd843484ed40b1eb7492063ce71baf)) + +* Passed the incoming arguments to the mailer action to `process.action_mailer` event under + an `args` key. + ([Pull Request](https://github.com/rails/rails/pull/27900)) + +Active Record +------------- + +Please refer to the [Changelog][active-record] for detailed changes. + +### Removals + +* Removed support for passing arguments and block at the same time to + `ActiveRecord::QueryMethods#select`. + ([Commit](https://github.com/rails/rails/commit/4fc3366d9d99a0eb19e45ad2bf38534efbf8c8ce)) + +* Removed deprecated `activerecord.errors.messages.restrict_dependent_destroy.one` and + `activerecord.errors.messages.restrict_dependent_destroy.many` i18n scopes. + ([Commit](https://github.com/rails/rails/commit/00e3973a311)) + +* Removed deprecated force reload argument in singular and collection association readers. + ([Commit](https://github.com/rails/rails/commit/09cac8c67af)) + +* Removed deprecated support for passing a column to `#quote`. + ([Commit](https://github.com/rails/rails/commit/e646bad5b7c)) + +* Removed deprecated `name` arguments from `#tables`. + ([Commit](https://github.com/rails/rails/commit/d5be101dd02214468a27b6839ffe338cfe8ef5f3)) + +* Removed deprecated behavior of `#tables` and `#table_exists?` to return tables and views + to return only tables and not views. + ([Commit](https://github.com/rails/rails/commit/5973a984c369a63720c2ac18b71012b8347479a8)) + +* Removed deprecated `original_exception` argument in `ActiveRecord::StatementInvalid#initialize` + and `ActiveRecord::StatementInvalid#original_exception`. + ([Commit](https://github.com/rails/rails/commit/bc6c5df4699d3f6b4a61dd12328f9e0f1bd6cf46)) + +* Removed deprecated support of passing a class as a value in a query. + ([Commit](https://github.com/rails/rails/commit/b4664864c972463c7437ad983832d2582186e886)) + +* Removed deprecated support to query using commas on LIMIT. + ([Commit](https://github.com/rails/rails/commit/fc3e67964753fb5166ccbd2030d7382e1976f393)) + +* Removed deprecated `conditions` parameter from `#destroy_all`. + ([Commit](https://github.com/rails/rails/commit/d31a6d1384cd740c8518d0bf695b550d2a3a4e9b)) + +* Removed deprecated `conditions` parameter from `#delete_all`. + ([Commit](https://github.com/rails/rails/pull/27503/commits/e7381d289e4f8751dcec9553dcb4d32153bd922b)) + +* Removed deprecated method `#load_schema_for` in favor of `#load_schema`. + ([Commit](https://github.com/rails/rails/commit/419e06b56c3b0229f0c72d3e4cdf59d34d8e5545)) + +* Removed deprecated `#raise_in_transactional_callbacks` configuration. + ([Commit](https://github.com/rails/rails/commit/8029f779b8a1dd9848fee0b7967c2e0849bf6e07)) + +* Removed deprecated `#use_transactional_fixtures` configuration. + ([Commit](https://github.com/rails/rails/commit/3955218dc163f61c932ee80af525e7cd440514b3)) + +### Deprecations + +* Deprecated `error_on_ignored_order_or_limit` flag in favor of + `error_on_ignored_order`. + ([Commit](https://github.com/rails/rails/commit/451437c6f57e66cc7586ec966e530493927098c7)) + +* Deprecated `sanitize_conditions` in favor of `sanitize_sql`. + ([Pull Request](https://github.com/rails/rails/pull/25999)) + +* Deprecated `supports_migrations?` on connection adapters. + ([Pull Request](https://github.com/rails/rails/pull/28172)) + +* Deprecated `Migrator.schema_migrations_table_name`, use `SchemaMigration.table_name` instead. + ([Pull Request](https://github.com/rails/rails/pull/28351)) + +* Deprecated using `#quoted_id` in quoting and type casting. + ([Pull Request](https://github.com/rails/rails/pull/27962)) + +* Deprecated passing `default` argument to `#index_name_exists?`. + ([Pull Request](https://github.com/rails/rails/pull/26930)) + +### Notable changes + +* Change Default Primary Keys to BIGINT. + ([Pull Request](https://github.com/rails/rails/pull/26266)) + +* Virtual/generated column support for MySQL 5.7.5+ and MariaDB 5.2.0+. + ([Commit](https://github.com/rails/rails/commit/65bf1c60053e727835e06392d27a2fb49665484c)) + +* Added support for limits in batch processing. + ([Commit](https://github.com/rails/rails/commit/451437c6f57e66cc7586ec966e530493927098c7)) + +* Transactional tests now wrap all Active Record connections in database + transactions. + ([Pull Request](https://github.com/rails/rails/pull/28726)) + +* Skipped comments in the output of `mysqldump` command by default. + ([Pull Request](https://github.com/rails/rails/pull/23301)) + +* Fixed `ActiveRecord::Relation#count` to use Ruby's `Enumerable#count` for counting + records when a block is passed as argument instead of silently ignoring the + passed block. + ([Pull Request](https://github.com/rails/rails/pull/24203)) + +* Pass `"-v ON_ERROR_STOP=1"` flag with `psql` command to not suppress SQL errors. + ([Pull Request](https://github.com/rails/rails/pull/24773)) + +* Add `ActiveRecord::Base.connection_pool.stat`. + ([Pull Request](https://github.com/rails/rails/pull/26988)) + +* Inheriting directly from `ActiveRecord::Migration` raises an error. + Specify the Rails version for which the migration was written for. + ([Commit](https://github.com/rails/rails/commit/249f71a22ab21c03915da5606a063d321f04d4d3)) + +* An error is raised when `through` association has ambiguous reflection name. + ([Commit](https://github.com/rails/rails/commit/0944182ad7ed70d99b078b22426cbf844edd3f61)) + +Active Model +------------ + +Please refer to the [Changelog][active-model] for detailed changes. + +### Removals + +* Removed deprecated methods in `ActiveModel::Errors`. + ([commit](https://github.com/rails/rails/commit/9de6457ab0767ebab7f2c8bc583420fda072e2bd)) + +* Removed deprecated `:tokenizer` option in the length validator. + ([commit](https://github.com/rails/rails/commit/6a78e0ecd6122a6b1be9a95e6c4e21e10e429513)) + +* Remove deprecated behavior that halts callbacks when the return value is false. + ([commit](https://github.com/rails/rails/commit/3a25cdca3e0d29ee2040931d0cb6c275d612dffe)) + +### Notable changes + +* The original string assigned to a model attribute is no longer incorrectly + frozen. + ([Pull Request](https://github.com/rails/rails/pull/28729)) + +Active Job +----------- + +Please refer to the [Changelog][active-job] for detailed changes. + +### Removals + +* Removed deprecated support to passing the adapter class to `.queue_adapter`. + ([commit](https://github.com/rails/rails/commit/d1fc0a5eb286600abf8505516897b96c2f1ef3f6)) + +* Removed deprecated `#original_exception` in `ActiveJob::DeserializationError`. + ([commit](https://github.com/rails/rails/commit/d861a1fcf8401a173876489d8cee1ede1cecde3b)) + +### Notable changes + +* Added declarative exception handling via `ActiveJob::Base.retry_on` and `ActiveJob::Base.discard_on`. + ([Pull Request](https://github.com/rails/rails/pull/25991)) + +* Yield the job instance so you have access to things like `job.arguments` on + the custom logic after retries fail. + ([commit](https://github.com/rails/rails/commit/a1e4c197cb12fef66530a2edfaeda75566088d1f)) + +Active Support +-------------- + +Please refer to the [Changelog][active-support] for detailed changes. + +### Removals + +* Removed the `ActiveSupport::Concurrency::Latch` class. + ([Commit](https://github.com/rails/rails/commit/0d7bd2031b4054fbdeab0a00dd58b1b08fb7fea6)) + +* Removed `halt_callback_chains_on_return_false`. + ([Commit](https://github.com/rails/rails/commit/4e63ce53fc25c3bc15c5ebf54bab54fa847ee02a)) + +* Removed deprecated behavior that halts callbacks when the return is false. + ([Commit](https://github.com/rails/rails/commit/3a25cdca3e0d29ee2040931d0cb6c275d612dffe)) + +### Deprecations + +* The top level `HashWithIndifferentAccess` class has been softly deprecated + in favor of the `ActiveSupport::HashWithIndifferentAccess` one. + ([Pull Request](https://github.com/rails/rails/pull/28157)) + +* Deprecated passing string to `:if` and `:unless` conditional options on `set_callback` and `skip_callback`. + ([Commit](https://github.com/rails/rails/commit/0952552)) + +### Notable changes + +* Fixed duration parsing and traveling to make it consistent across DST changes. + ([Commit](https://github.com/rails/rails/commit/8931916f4a1c1d8e70c06063ba63928c5c7eab1e), + [Pull Request](https://github.com/rails/rails/pull/26597)) + +* Updated Unicode to version 9.0.0. + ([Pull Request](https://github.com/rails/rails/pull/27822)) + +* Add Duration#before and #after as aliases for #ago and #since. + ([Pull Request](https://github.com/rails/rails/pull/27721)) + +* Added `Module#delegate_missing_to` to delegate method calls not + defined for the current object to a proxy object. + ([Pull Request](https://github.com/rails/rails/pull/23930)) + +* Added `Date#all_day` which returns a range representing the whole day + of the current date & time. + ([Pull Request](https://github.com/rails/rails/pull/24930)) + +* Introduced the `assert_changes` and `assert_no_changes` methods for tests. + ([Pull Request](https://github.com/rails/rails/pull/25393)) + +* The `travel` and `travel_to` methods now raise on nested calls. + ([Pull Request](https://github.com/rails/rails/pull/24890)) + +* Update `DateTime#change` to support usec and nsec. + ([Pull Request](https://github.com/rails/rails/pull/28242)) + +Credits +------- + +See the +[full list of contributors to Rails](http://contributors.rubyonrails.org/) for +the many people who spent many hours making Rails, the stable and robust +framework it is. Kudos to all of them. + +[railties]: https://github.com/rails/rails/blob/5-1-stable/railties/CHANGELOG.md +[action-pack]: https://github.com/rails/rails/blob/5-1-stable/actionpack/CHANGELOG.md +[action-view]: https://github.com/rails/rails/blob/5-1-stable/actionview/CHANGELOG.md +[action-mailer]: https://github.com/rails/rails/blob/5-1-stable/actionmailer/CHANGELOG.md +[action-cable]: https://github.com/rails/rails/blob/5-1-stable/actioncable/CHANGELOG.md +[active-record]: https://github.com/rails/rails/blob/5-1-stable/activerecord/CHANGELOG.md +[active-model]: https://github.com/rails/rails/blob/5-1-stable/activemodel/CHANGELOG.md +[active-support]: https://github.com/rails/rails/blob/5-1-stable/activesupport/CHANGELOG.md +[active-job]: https://github.com/rails/rails/blob/5-1-stable/activejob/CHANGELOG.md |