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rails--rails/guides/source/5_2_release_notes.md

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Rails guides are now served over https http links will be redirected to the https version, but still better to just directly link to the https version.
2018-07-23 22:29:31 -04:00
**DO NOT READ THIS FILE ON GITHUB, GUIDES ARE PUBLISHED ON https://guides.rubyonrails.org.**
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Ruby on Rails 5.2 Release Notes
===============================
Highlights in Rails 5.2:
* Active Storage
* Redis Cache Store
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* HTTP/2 Early Hints
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
* Credentials
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Content Security Policy
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
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/5-2-stable) in the main Rails
repository on GitHub.
--------------------------------------------------------------------------------
Upgrading to Rails 5.2
----------------------
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 5.1 in case you
haven't and make sure your application still runs as expected before attempting
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
an update to Rails 5.2. 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-5-1-to-rails-5-2)
guide.
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Major Features
--------------
### Active Storage
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
[Pull Request](https://github.com/rails/rails/pull/30020)
[Active Storage](https://github.com/rails/rails/tree/5-2-stable/activestorage)
facilitates uploading files to a cloud storage service like
Amazon S3, Google Cloud Storage, or Microsoft Azure Storage and attaching
those files to Active Record objects. It comes with a local disk-based service
for development and testing and supports mirroring files to subordinate
services for backups and migrations.
You can read more about Active Storage in the
[Active Storage Overview](active_storage_overview.html) guide.
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
### Redis Cache Store
[Pull Request](https://github.com/rails/rails/pull/31134)
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
Rails 5.2 ships with built-in Redis cache store.
You can read more about this in the
[Caching with Rails: An Overview](caching_with_rails.html#activesupport-cache-rediscachestore)
guide.
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
### HTTP/2 Early Hints
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
[Pull Request](https://github.com/rails/rails/pull/30744)
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
Rails 5.2 supports [HTTP/2 Early Hints](https://tools.ietf.org/html/rfc8297).
To start the server with Early Hints enabled pass `--early-hints`
to `bin/rails server`.
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
### Credentials
[Pull Request](https://github.com/rails/rails/pull/30067)
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
Added `config/credentials.yml.enc` file to store production app secrets.
It allows saving any authentication credentials for third-party services
directly in repository encrypted with a key in the `config/master.key` file or
the `RAILS_MASTER_KEY` environment variable.
This will eventually replace `Rails.application.secrets` and the encrypted
secrets introduced in Rails 5.1.
Furthermore, Rails 5.2
[opens API underlying Credentials](https://github.com/rails/rails/pull/30940),
so you can easily deal with other encrypted configurations, keys, and files.
[ci skip] Add securing rails app guide link to credential section * In 5.2 release note, added [securing rails app guide](http://edgeguides.rubyonrails.org/security.html#custom-credentials) link to [credentials section](http://edgeguides.rubyonrails.org/5_2_release_notes.html#credentials).
2018-04-06 13:34:59 -04:00
You can read more about this in the
[Securing Rails Applications](security.html#custom-credentials)
guide.
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
### Content Security Policy
Added CSP as major feature [ci skip]
2017-11-27 05:30:52 -05:00
[Pull Request](https://github.com/rails/rails/pull/31162)
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
Rails 5.2 ships with a new DSL that allows you to configure a
[Content Security Policy](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy)
for your application. You can configure a global default policy and then
override it on a per-resource basis and even use lambdas to inject per-request
values into the header such as account subdomains in a multi-tenant application.
Move CSP info from 5.2 release notes to guide [ci skip] - Add mention about "nonce". Related to https://github.com/rails/rails/pull/32222#issuecomment-372268157
2018-03-18 17:07:12 -04:00
You can read more about this in the
[Securing Rails Applications](security.html#content-security-policy)
guide.
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Railties
--------
Please refer to the [Changelog][railties] for detailed changes.
Added Railties deprecations in 5.2 release notes [ci skip]
2017-12-31 14:43:27 -05:00
### Deprecations
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Added Railties deprecations in 5.2 release notes [ci skip]
2017-12-31 14:43:27 -05:00
* Deprecate `capify!` method in generators and templates.
([Pull Request](https://github.com/rails/rails/pull/29493))
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Passing the environment's name as a regular argument to the
`rails dbconsole` and `rails console` commands is deprecated.
The `-e` option should be used instead.
([Commit](https://github.com/rails/rails/commit/48b249927375465a7102acc71c2dfb8d49af8309))
Added Railties deprecations in 5.2 release notes [ci skip]
2017-12-31 14:43:27 -05:00
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Deprecate using subclass of `Rails::Application` to start the Rails server.
Added Railties deprecations in 5.2 release notes [ci skip]
2017-12-31 14:43:27 -05:00
([Pull Request](https://github.com/rails/rails/pull/30127))
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Deprecate `after_bundle` callback in Rails plugin templates.
Added Railties deprecations in 5.2 release notes [ci skip]
2017-12-31 14:43:27 -05:00
([Pull Request](https://github.com/rails/rails/pull/29446))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
### Notable changes
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Added a shared section to `config/database.yml` that will be loaded for
all environments.
([Pull Request](https://github.com/rails/rails/pull/28896))
* Add `railtie.rb` to the plugin generator.
([Pull Request](https://github.com/rails/rails/pull/29576))
* Clear screenshot files in `tmp:clear` task.
([Pull Request](https://github.com/rails/rails/pull/29534))
* Skip unused components when running `bin/rails app:update`.
If the initial app generation skipped Action Cable, Active Record etc.,
the update task honors those skips too.
([Pull Request](https://github.com/rails/rails/pull/29645))
* Allow passing a custom connection name to the `rails dbconsole`
command when using a 3-level database configuration.
Example: `bin/rails dbconsole -c replica`.
([Commit](https://github.com/rails/rails/commit/1acd9a6464668d4d54ab30d016829f60b70dbbeb))
* Properly expand shortcuts for environment's name running the `console`
and `dbconsole` commands.
([Commit](https://github.com/rails/rails/commit/3777701f1380f3814bd5313b225586dec64d4104))
* Add `bootsnap` to default `Gemfile`.
([Pull Request](https://github.com/rails/rails/pull/29313))
* Support `-` as a platform-agnostic way to run a script from stdin with
`rails runner`
([Pull Request](https://github.com/rails/rails/pull/26343))
* Add `ruby x.x.x` version to `Gemfile` and create `.ruby-version`
root file containing the current Ruby version when new Rails applications
are created.
([Pull Request](https://github.com/rails/rails/pull/30016))
* Add `--skip-action-cable` option to the plugin generator.
([Pull Request](https://github.com/rails/rails/pull/30164))
* Add `git_source` to `Gemfile` for plugin generator.
([Pull Request](https://github.com/rails/rails/pull/30110))
* Skip unused components when running `bin/rails` in Rails plugin.
([Commit](https://github.com/rails/rails/commit/62499cb6e088c3bc32a9396322c7473a17a28640))
* Optimize indentation for generator actions.
([Pull Request](https://github.com/rails/rails/pull/30166))
* Optimize routes indentation.
([Pull Request](https://github.com/rails/rails/pull/30241))
* Add `--skip-yarn` option to the plugin generator.
([Pull Request](https://github.com/rails/rails/pull/30238))
* Support multiple versions arguments for `gem` method of Generators.
([Pull Request](https://github.com/rails/rails/pull/30323))
* Derive `secret_key_base` from the app name in development and test
environments.
([Pull Request](https://github.com/rails/rails/pull/30067))
* Add `mini_magick` to default `Gemfile` as comment.
([Pull Request](https://github.com/rails/rails/pull/30633))
* `rails new` and `rails plugin new` get `Active Storage` by default.
Add ability to skip `Active Storage` with `--skip-active-storage`
and do so automatically when `--skip-active-record` is used.
([Pull Request](https://github.com/rails/rails/pull/30101))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Action Cable
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
------------
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Please refer to the [Changelog][action-cable] for detailed changes.
Added release notes for Action Cable [ci skip]
2018-01-07 11:15:09 -05:00
### Removals
* Removed deprecated evented redis adapter.
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
([Commit](https://github.com/rails/rails/commit/48766e32d31651606b9f68a16015ad05c3b0de2c))
Added release notes for Action Cable [ci skip]
2018-01-07 11:15:09 -05:00
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
### Notable changes
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Add support for `host`, `port`, `db` and `password` options in cable.yml
Added release notes for Action Cable [ci skip]
2018-01-07 11:15:09 -05:00
([Pull Request](https://github.com/rails/rails/pull/29528))
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Hash long stream identifiers when using PostgreSQL adapter.
([Pull Request](https://github.com/rails/rails/pull/29297))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Action Pack
-----------
Please refer to the [Changelog][action-pack] for detailed changes.
### Removals
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Remove deprecated `ActionController::ParamsParser::ParseError`.
([Commit](https://github.com/rails/rails/commit/e16c765ac6dcff068ff2e5554d69ff345c003de1))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
### Deprecations
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Deprecate `#success?`, `#missing?` and `#error?` aliases of
Added deprecations and removals notes for Action Pack [ci skip]
2018-01-07 11:21:51 -05:00
`ActionDispatch::TestResponse`.
([Pull Request](https://github.com/rails/rails/pull/30104))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
### Notable changes
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Add support for recyclable cache keys with fragment caching.
([Pull Request](https://github.com/rails/rails/pull/29092))
* Change the cache key format for fragments to make it easier to debug key
churn.
([Pull Request](https://github.com/rails/rails/pull/29092))
* AEAD encrypted cookies and sessions with GCM.
([Pull Request](https://github.com/rails/rails/pull/28132))
* Protect from forgery by default.
([Pull Request](https://github.com/rails/rails/pull/29742))
* Enforce signed/encrypted cookie expiry server side.
([Pull Request](https://github.com/rails/rails/pull/30121))
* Cookies `:expires` option supports `ActiveSupport::Duration` object.
([Pull Request](https://github.com/rails/rails/pull/30121))
* Use Capybara registered `:puma` server config.
([Pull Request](https://github.com/rails/rails/pull/30638))
* Simplify cookies middleware with key rotation support.
([Pull Request](https://github.com/rails/rails/pull/29716))
* Add ability to enable Early Hints for HTTP/2.
([Pull Request](https://github.com/rails/rails/pull/30744))
* Add headless chrome support to System Tests.
([Pull Request](https://github.com/rails/rails/pull/30876))
* Add `:allow_other_host` option to `redirect_back` method.
([Pull Request](https://github.com/rails/rails/pull/30850))
* Make `assert_recognizes` to traverse mounted engines.
([Pull Request](https://github.com/rails/rails/pull/22435))
* Add DSL for configuring Content-Security-Policy header.
([Pull Request](https://github.com/rails/rails/pull/31162),
[Commit](https://github.com/rails/rails/commit/619b1b6353a65e1635d10b8f8c6630723a5a6f1a),
[Commit](https://github.com/rails/rails/commit/4ec8bf68ff92f35e79232fbd605012ce1f4e1e6e))
* Register most popular audio/video/font mime types supported by modern
browsers.
([Pull Request](https://github.com/rails/rails/pull/31251))
* Changed the default system test screenshot output from `inline` to `simple`.
([Commit](https://github.com/rails/rails/commit/9d6e288ee96d6241f864dbf90211c37b14a57632))
* Add headless firefox support to System Tests.
([Pull Request](https://github.com/rails/rails/pull/31365))
* Add secure `X-Download-Options` and `X-Permitted-Cross-Domain-Policies` to
default headers set.
([Commit](https://github.com/rails/rails/commit/5d7b70f4336d42eabfc403e9f6efceb88b3eff44))
* Changed the system tests to set Puma as default server only when the
user haven't specified manually another server.
([Pull Request](https://github.com/rails/rails/pull/31384))
* Add `Referrer-Policy` header to default headers set.
([Commit](https://github.com/rails/rails/commit/428939be9f954d39b0c41bc53d85d0d106b9d1a1))
* Matches behavior of `Hash#each` in `ActionController::Parameters#each`.
([Pull Request](https://github.com/rails/rails/pull/27790))
* Add support for automatic nonce generation for Rails UJS.
([Commit](https://github.com/rails/rails/commit/b2f0a8945956cd92dec71ec4e44715d764990a49))
* Update the default HSTS max-age value to 31536000 seconds (1 year)
to meet the minimum max-age requirement for https://hstspreload.org/.
([Commit](https://github.com/rails/rails/commit/30b5f469a1d30c60d1fb0605e84c50568ff7ed37))
* Add alias method `to_hash` to `to_h` for `cookies`.
Add alias method `to_h` to `to_hash` for `session`.
([Commit](https://github.com/rails/rails/commit/50a62499e41dfffc2903d468e8b47acebaf9b500))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Action View
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
-----------
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Please refer to the [Changelog][action-view] for detailed changes.
### Removals
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Remove deprecated Erubis ERB handler.
([Commit](https://github.com/rails/rails/commit/7de7f12fd140a60134defe7dc55b5a20b2372d06))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
### Deprecations
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Deprecate `image_alt` helper which used to add default alt text to
Fix the desc for image_alt change [ci skip]
2018-01-07 11:59:13 -05:00
the images generated by `image_tag`.
Added deprecation and removal notes for Action View [ci skip]
2018-01-07 11:37:17 -05:00
([Pull Request](https://github.com/rails/rails/pull/30213))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
### Notable changes
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Add `:json` type to `auto_discovery_link_tag` to support
[JSON Feeds](https://jsonfeed.org/version/1).
([Pull Request](https://github.com/rails/rails/pull/29158))
* Add `srcset` option to `image_tag` helper.
([Pull Request](https://github.com/rails/rails/pull/29349))
* Fix issues with `field_error_proc` wrapping `optgroup` and
select divider `option`.
([Pull Request](https://github.com/rails/rails/pull/31088))
* Change `form_with` to generates ids by default.
([Commit](https://github.com/rails/rails/commit/260d6f112a0ffdbe03e6f5051504cb441c1e94cd))
* Add `preload_link_tag` helper.
([Pull Request](https://github.com/rails/rails/pull/31251))
* Allow the use of callable objects as group methods for grouped selects.
([Pull Request](https://github.com/rails/rails/pull/31578))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Action Mailer
-------------
Please refer to the [Changelog][action-mailer] for detailed changes.
### Notable changes
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Allow Action Mailer classes to configure their delivery job.
([Pull Request](https://github.com/rails/rails/pull/29457))
* Add `assert_enqueued_email_with` test helper.
([Pull Request](https://github.com/rails/rails/pull/30695))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Active Record
-------------
Please refer to the [Changelog][active-record] for detailed changes.
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
### Removals
* Remove deprecated `#migration_keys`.
([Pull Request](https://github.com/rails/rails/pull/30337))
* Remove deprecated support to `quoted_id` when typecasting
an Active Record object.
([Commit](https://github.com/rails/rails/commit/82472b3922bda2f337a79cef961b4760d04f9689))
* Remove deprecated argument `default` from `index_name_exists?`.
([Commit](https://github.com/rails/rails/commit/8f5b34df81175e30f68879479243fbce966122d7))
* Remove deprecated support to passing a class to `:class_name`
on associations.
([Commit](https://github.com/rails/rails/commit/e65aff70696be52b46ebe57207ebd8bb2cfcdbb6))
* Remove deprecated methods `initialize_schema_migrations_table` and
`initialize_internal_metadata_table`.
([Commit](https://github.com/rails/rails/commit/c9660b5777707658c414b430753029cd9bc39934))
* Remove deprecated method `supports_migrations?`.
([Commit](https://github.com/rails/rails/commit/9438c144b1893f2a59ec0924afe4d46bd8d5ffdd))
* Remove deprecated method `supports_primary_key?`.
([Commit](https://github.com/rails/rails/commit/c56ff22fc6e97df4656ddc22909d9bf8b0c2cbb1))
* Remove deprecated method
`ActiveRecord::Migrator.schema_migrations_table_name`.
([Commit](https://github.com/rails/rails/commit/7df6e3f3cbdea9a0460ddbab445c81fbb1cfd012))
* Remove deprecated argument `name` from `#indexes`.
([Commit](https://github.com/rails/rails/commit/d6b779ecebe57f6629352c34bfd6c442ac8fba0e))
* Remove deprecated arguments from `#verify!`.
([Commit](https://github.com/rails/rails/commit/9c6ee1bed0292fc32c23dc1c68951ae64fc510be))
* Remove deprecated configuration `.error_on_ignored_order_or_limit`.
([Commit](https://github.com/rails/rails/commit/e1066f450d1a99c9a0b4d786b202e2ca82a4c3b3))
* Remove deprecated method `#scope_chain`.
([Commit](https://github.com/rails/rails/commit/ef7784752c5c5efbe23f62d2bbcc62d4fd8aacab))
* Remove deprecated method `#sanitize_conditions`.
([Commit](https://github.com/rails/rails/commit/8f5413b896099f80ef46a97819fe47a820417bc2))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
### Deprecations
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Deprecate `supports_statement_cache?`.
([Pull Request](https://github.com/rails/rails/pull/28938))
* Deprecate passing arguments and block at the same time to
`count` and `sum` in `ActiveRecord::Calculations`.
([Pull Request](https://github.com/rails/rails/pull/29262))
* Deprecate delegating to `arel` in `Relation`.
([Pull Request](https://github.com/rails/rails/pull/29619))
* Deprecate `set_state` method in `TransactionState`.
([Commit](https://github.com/rails/rails/commit/608ebccf8f6314c945444b400a37c2d07f21b253))
* Deprecate `expand_hash_conditions_for_aggregates` without replacement.
([Commit](https://github.com/rails/rails/commit/7ae26885d96daee3809d0bd50b1a440c2f5ffb69))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
### Notable changes
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* When calling the dynamic fixture accessor method with no arguments, it now
returns all fixtures of this type. Previously this method always returned
an empty array.
([Pull Request](https://github.com/rails/rails/pull/28692))
* Fix inconsistency with changed attributes when overriding
Active Record attribute reader.
([Pull Request](https://github.com/rails/rails/pull/28661))
* Support Descending Indexes for MySQL.
([Pull Request](https://github.com/rails/rails/pull/28773))
* Fix `bin/rails db:forward` first migration.
([Commit](https://github.com/rails/rails/commit/b77d2aa0c336492ba33cbfade4964ba0eda3ef84))
* Raise error `UnknownMigrationVersionError` on the movement of migrations
when the current migration does not exist.
([Commit](https://github.com/rails/rails/commit/bb9d6eb094f29bb94ef1f26aa44f145f17b973fe))
* Respect `SchemaDumper.ignore_tables` in rake tasks for
databases structure dump.
([Pull Request](https://github.com/rails/rails/pull/29077))
* Add `ActiveRecord::Base#cache_version` to support recyclable cache keys via
the new versioned entries in `ActiveSupport::Cache`. This also means that
`ActiveRecord::Base#cache_key` will now return a stable key that
does not include a timestamp any more.
([Pull Request](https://github.com/rails/rails/pull/29092))
* Prevent creation of bind param if casted value is nil.
([Pull Request](https://github.com/rails/rails/pull/29282))
* Use bulk INSERT to insert fixtures for better performance.
([Pull Request](https://github.com/rails/rails/pull/29504))
* Merging two relations representing nested joins no longer transforms
the joins of the merged relation into LEFT OUTER JOIN.
([Pull Request](https://github.com/rails/rails/pull/27063))
* Fix transactions to apply state to child transactions.
Previously, if you had a nested transaction and the outer transaction was
rolledback, the record from the inner transaction would still be marked
as persisted. It was fixed by applying the state of the parent
transaction to the child transaction when the parent transaction is
rolledback. This will correctly mark records from the inner transaction
as not persisted.
([Commit](https://github.com/rails/rails/commit/0237da287eb4c507d10a0c6d94150093acc52b03))
* Fix eager loading/preloading association with scope including joins.
([Pull Request](https://github.com/rails/rails/pull/29413))
* Prevent errors raised by `sql.active_record` notification subscribers
from being converted into `ActiveRecord::StatementInvalid` exceptions.
([Pull Request](https://github.com/rails/rails/pull/29692))
* Skip query caching when working with batches of records
(`find_each`, `find_in_batches`, `in_batches`).
([Commit](https://github.com/rails/rails/commit/b83852e6eed5789b23b13bac40228e87e8822b4d))
* Change sqlite3 boolean serialization to use 1 and 0.
SQLite natively recognizes 1 and 0 as true and false, but does not natively
recognize 't' and 'f' as was previously serialized.
([Pull Request](https://github.com/rails/rails/pull/29699))
* Values constructed using multi-parameter assignment will now use the
post-type-cast value for rendering in single-field form inputs.
([Commit](https://github.com/rails/rails/commit/1519e976b224871c7f7dd476351930d5d0d7faf6))
* `ApplicationRecord` is no longer generated when generating models. If you
need to generate it, it can be created with `rails g application_record`.
([Pull Request](https://github.com/rails/rails/pull/29916))
* `Relation#or` now accepts two relations who have different values for
`references` only, as `references` can be implicitly called by `where`.
([Commit](https://github.com/rails/rails/commit/ea6139101ccaf8be03b536b1293a9f36bc12f2f7))
* When using `Relation#or`, extract the common conditions and
put them before the OR condition.
([Pull Request](https://github.com/rails/rails/pull/29950))
* Add `binary` fixture helper method.
([Pull Request](https://github.com/rails/rails/pull/30073))
* Automatically guess the inverse associations for STI.
([Pull Request](https://github.com/rails/rails/pull/23425))
* Add new error class `LockWaitTimeout` which will be raised
when lock wait timeout exceeded.
([Pull Request](https://github.com/rails/rails/pull/30360))
* Update payload names for `sql.active_record` instrumentation to be
more descriptive.
([Pull Request](https://github.com/rails/rails/pull/30619))
* Use given algorithm while removing index from database.
([Pull Request](https://github.com/rails/rails/pull/24199))
* Passing a `Set` to `Relation#where` now behaves the same as passing
an array.
([Commit](https://github.com/rails/rails/commit/9cf7e3494f5bd34f1382c1ff4ea3d811a4972ae2))
* PostgreSQL `tsrange` now preserves subsecond precision.
([Pull Request](https://github.com/rails/rails/pull/30725))
* Raises when calling `lock!` in a dirty record.
([Commit](https://github.com/rails/rails/commit/63cf15877bae859ff7b4ebaf05186f3ca79c1863))
* Fixed a bug where column orders for an index weren't written to
`db/schema.rb` when using the sqlite adapter.
([Pull Request](https://github.com/rails/rails/pull/30970))
* Fix `bin/rails db:migrate` with specified `VERSION`.
`bin/rails db:migrate` with empty VERSION behaves as without `VERSION`.
Check a format of `VERSION`: Allow a migration version number
or name of a migration file. Raise error if format of `VERSION` is invalid.
Raise error if target migration doesn't exist.
([Pull Request](https://github.com/rails/rails/pull/30714))
* Add new error class `StatementTimeout` which will be raised
when statement timeout exceeded.
([Pull Request](https://github.com/rails/rails/pull/31129))
* `update_all` will now pass its values to `Type#cast` before passing them to
`Type#serialize`. This means that `update_all(foo: 'true')` will properly
persist a boolean.
([Commit](https://github.com/rails/rails/commit/68fe6b08ee72cc47263e0d2c9ff07f75c4b42761))
* Require raw SQL fragments to be explicitly marked when used in
relation query methods.
([Commit](https://github.com/rails/rails/commit/a1ee43d2170dd6adf5a9f390df2b1dde45018a48),
[Commit](https://github.com/rails/rails/commit/e4a921a75f8702a7dbaf41e31130fe884dea93f9))
* Add `#up_only` to database migrations for code that is only relevant when
migrating up, e.g. populating a new column.
([Pull Request](https://github.com/rails/rails/pull/31082))
* Add new error class `QueryCanceled` which will be raised
when canceling statement due to user request.
([Pull Request](https://github.com/rails/rails/pull/31235))
* Don't allow scopes to be defined which conflict with instance methods
on `Relation`.
([Pull Request](https://github.com/rails/rails/pull/31179))
* Add support for PostgreSQL operator classes to `add_index`.
([Pull Request](https://github.com/rails/rails/pull/19090))
* Log database query callers.
([Pull Request](https://github.com/rails/rails/pull/26815),
[Pull Request](https://github.com/rails/rails/pull/31519),
[Pull Request](https://github.com/rails/rails/pull/31690))
* Undefine attribute methods on descendants when resetting column information.
([Pull Request](https://github.com/rails/rails/pull/31475))
* Using subselect for `delete_all` with `limit` or `offset`.
([Commit](https://github.com/rails/rails/commit/9e7260da1bdc0770cf4ac547120c85ab93ff3d48))
* Fixed inconsistency with `first(n)` when used with `limit()`.
The `first(n)` finder now respects the `limit()`, making it consistent
with `relation.to_a.first(n)`, and also with the behavior of `last(n)`.
([Pull Request](https://github.com/rails/rails/pull/27597))
* Fix nested `has_many :through` associations on unpersisted parent instances.
([Commit](https://github.com/rails/rails/commit/027f865fc8b262d9ba3ee51da3483e94a5489b66))
* Take into account association conditions when deleting through records.
([Commit](https://github.com/rails/rails/commit/ae48c65e411e01c1045056562319666384bb1b63))
* Don't allow destroyed object mutation after `save` or `save!` is called.
([Commit](https://github.com/rails/rails/commit/562dd0494a90d9d47849f052e8913f0050f3e494))
* Fix relation merger issue with `left_outer_joins`.
([Pull Request](https://github.com/rails/rails/pull/27860))
* Support for PostgreSQL foreign tables.
([Pull Request](https://github.com/rails/rails/pull/31549))
* Clear the transaction state when an Active Record object is duped.
([Pull Request](https://github.com/rails/rails/pull/31751))
* Fix not expanded problem when passing an Array object as argument
to the where method using `composed_of` column.
([Pull Request](https://github.com/rails/rails/pull/31724))
* Make `reflection.klass` raise if `polymorphic?` not to be misused.
([Commit](https://github.com/rails/rails/commit/63fc1100ce054e3e11c04a547cdb9387cd79571a))
* Fix `#columns_for_distinct` of MySQL and PostgreSQL to make
`ActiveRecord::FinderMethods#limited_ids_for` use correct primary key values
even if `ORDER BY` columns include other table's primary key.
([Commit](https://github.com/rails/rails/commit/851618c15750979a75635530200665b543561a44))
* Fix `dependent: :destroy` issue for has_one/belongs_to relationship where
the parent class was getting deleted when the child was not.
([Commit](https://github.com/rails/rails/commit/b0fc04aa3af338d5a90608bf37248668d59fc881))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Active Model
------------
Please refer to the [Changelog][active-model] for detailed changes.
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
### Notable changes
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Fix methods `#keys`, `#values` in `ActiveModel::Errors`.
Change `#keys` to only return the keys that don't have empty messages.
Change `#values` to only return the not empty values.
([Pull Request](https://github.com/rails/rails/pull/28584))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Add method `#merge!` for `ActiveModel::Errors`.
([Pull Request](https://github.com/rails/rails/pull/29714))
* Allow passing a Proc or Symbol to length validator options.
([Pull Request](https://github.com/rails/rails/pull/30674))
* Execute `ConfirmationValidator` validation when `_confirmation`'s value
is `false`.
([Pull Request](https://github.com/rails/rails/pull/31058))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Models using the attributes API with a proc default can now be marshalled.
([Commit](https://github.com/rails/rails/commit/0af36c62a5710e023402e37b019ad9982e69de4b))
* Do not lose all multiple `:includes` with options in serialization.
([Commit](https://github.com/rails/rails/commit/853054bcc7a043eea78c97e7705a46abb603cc44))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Active Support
--------------
Please refer to the [Changelog][active-support] for detailed changes.
### Removals
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Remove deprecated `:if` and `:unless` string filter for callbacks.
([Commit](https://github.com/rails/rails/commit/c792354adcbf8c966f274915c605c6713b840548))
* Remove deprecated `halt_callback_chains_on_return_false` option.
([Commit](https://github.com/rails/rails/commit/19fbbebb1665e482d76cae30166b46e74ceafe29))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
### Deprecations
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Deprecate `Module#reachable?` method.
([Pull Request](https://github.com/rails/rails/pull/30624))
* Deprecate `secrets.secret_token`.
([Commit](https://github.com/rails/rails/commit/fbcc4bfe9a211e219da5d0bb01d894fcdaef0a0e))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
### Notable changes
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Add `fetch_values` for `HashWithIndifferentAccess`.
([Pull Request](https://github.com/rails/rails/pull/28316))
* Add support for `:offset` to `Time#change`.
([Commit](https://github.com/rails/rails/commit/851b7f866e13518d900407c78dcd6eb477afad06))
* Add support for `:offset` and `:zone`
to `ActiveSupport::TimeWithZone#change`.
([Commit](https://github.com/rails/rails/commit/851b7f866e13518d900407c78dcd6eb477afad06))
* Pass gem name and deprecation horizon to deprecation notifications.
([Pull Request](https://github.com/rails/rails/pull/28800))
* Add support for versioned cache entries. This enables the cache stores to
recycle cache keys, greatly saving on storage in cases with frequent churn.
Works together with the separation of `#cache_key` and `#cache_version`
in Active Record and its use in Action Pack's fragment caching.
([Pull Request](https://github.com/rails/rails/pull/29092))
* Add `ActiveSupport::CurrentAttributes` to provide a thread-isolated
attributes singleton. Primary use case is keeping all the per-request
attributes easily available to the whole system.
([Pull Request](https://github.com/rails/rails/pull/29180))
* `#singularize` and `#pluralize` now respect uncountables for
the specified locale.
([Commit](https://github.com/rails/rails/commit/352865d0f835c24daa9a2e9863dcc9dde9e5371a))
* Add default option to `class_attribute`.
([Pull Request](https://github.com/rails/rails/pull/29270))
* Add `Date#prev_occurring` and `Date#next_occurring` to return
specified next/previous occurring day of week.
([Pull Request](https://github.com/rails/rails/pull/26600))
* Add default option to module and class attribute accessors.
([Pull Request](https://github.com/rails/rails/pull/29294))
* Cache: `write_multi`.
([Pull Request](https://github.com/rails/rails/pull/29366))
* Default `ActiveSupport::MessageEncryptor` to use AES 256 GCM encryption.
([Pull Request](https://github.com/rails/rails/pull/29263))
* Add `freeze_time` helper which freezes time to `Time.now` in tests.
([Pull Request](https://github.com/rails/rails/pull/29681))
* Make the order of `Hash#reverse_merge!` consistent
with `HashWithIndifferentAccess`.
([Pull Request](https://github.com/rails/rails/pull/28077))
* Add purpose and expiry support to `ActiveSupport::MessageVerifier` and
`ActiveSupport::MessageEncryptor`.
([Pull Request](https://github.com/rails/rails/pull/29892))
* Update `String#camelize` to provide feedback when wrong option is passed.
([Pull Request](https://github.com/rails/rails/pull/30039))
* `Module#delegate_missing_to` now raises `DelegationError` if target is nil,
similar to `Module#delegate`.
([Pull Request](https://github.com/rails/rails/pull/30191))
* Add `ActiveSupport::EncryptedFile` and
`ActiveSupport::EncryptedConfiguration`.
([Pull Request](https://github.com/rails/rails/pull/30067))
* Add `config/credentials.yml.enc` to store production app secrets.
([Pull Request](https://github.com/rails/rails/pull/30067))
* Add key rotation support to `MessageEncryptor` and `MessageVerifier`.
([Pull Request](https://github.com/rails/rails/pull/29716))
* Return an instance of `HashWithIndifferentAccess` from
`HashWithIndifferentAccess#transform_keys`.
([Pull Request](https://github.com/rails/rails/pull/30728))
* `Hash#slice` now falls back to Ruby 2.5+'s built-in definition if defined.
([Commit](https://github.com/rails/rails/commit/01ae39660243bc5f0a986e20f9c9bff312b1b5f8))
* `IO#to_json` now returns the `to_s` representation, rather than
attempting to convert to an array. This fixes a bug where `IO#to_json`
would raise an `IOError` when called on an unreadable object.
([Pull Request](https://github.com/rails/rails/pull/30953))
* Add same method signature for `Time#prev_day` and `Time#next_day`
in accordance with `Date#prev_day`, `Date#next_day`.
Allows pass argument for `Time#prev_day` and `Time#next_day`.
([Commit](https://github.com/rails/rails/commit/61ac2167eff741bffb44aec231f4ea13d004134e))
* Add same method signature for `Time#prev_month` and `Time#next_month`
in accordance with `Date#prev_month`, `Date#next_month`.
Allows pass argument for `Time#prev_month` and `Time#next_month`.
([Commit](https://github.com/rails/rails/commit/f2c1e3a793570584d9708aaee387214bc3543530))
* Add same method signature for `Time#prev_year` and `Time#next_year`
in accordance with `Date#prev_year`, `Date#next_year`.
Allows pass argument for `Time#prev_year` and `Time#next_year`.
([Commit](https://github.com/rails/rails/commit/ee9d81837b5eba9d5ec869ae7601d7ffce763e3e))
* Fix acronym support in `humanize`.
([Commit](https://github.com/rails/rails/commit/0ddde0a8fca6a0ca3158e3329713959acd65605d))
* Allow `Range#include?` on TWZ ranges.
([Pull Request](https://github.com/rails/rails/pull/31081))
* Cache: Enable compression by default for values > 1kB.
([Pull Request](https://github.com/rails/rails/pull/31147))
* Redis cache store.
([Pull Request](https://github.com/rails/rails/pull/31134),
[Pull Request](https://github.com/rails/rails/pull/31866))
* Handle `TZInfo::AmbiguousTime` errors.
([Pull Request](https://github.com/rails/rails/pull/31128))
* MemCacheStore: Support expiring counters.
([Commit](https://github.com/rails/rails/commit/b22ee64b5b30c6d5039c292235e10b24b1057f6d))
* Make `ActiveSupport::TimeZone.all` return only time zones that are in
`ActiveSupport::TimeZone::MAPPING`.
([Pull Request](https://github.com/rails/rails/pull/31176))
* Changed default behaviour of `ActiveSupport::SecurityUtils.secure_compare`,
to make it not leak length information even for variable length string.
Renamed old `ActiveSupport::SecurityUtils.secure_compare` to
`fixed_length_secure_compare`, and started raising `ArgumentError` in
case of length mismatch of passed strings.
([Pull Request](https://github.com/rails/rails/pull/24510))
* Use SHA-1 to generate non-sensitive digests, such as the ETag header.
([Pull Request](https://github.com/rails/rails/pull/31289),
[Pull Request](https://github.com/rails/rails/pull/31651))
* `assert_changes` will always assert that the expression changes,
regardless of `from:` and `to:` argument combinations.
([Pull Request](https://github.com/rails/rails/pull/31011))
* Add missing instrumentation for `read_multi`
in `ActiveSupport::Cache::Store`.
([Pull Request](https://github.com/rails/rails/pull/30268))
* Support hash as first argument in `assert_difference`.
This allows to specify multiple numeric differences in the same assertion.
([Pull Request](https://github.com/rails/rails/pull/31600))
* Caching: MemCache and Redis `read_multi` and `fetch_multi` speedup.
Read from the local in-memory cache before consulting the backend.
([Commit](https://github.com/rails/rails/commit/a2b97e4ffef971607a1be8fc7909f099b6840f36))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Active Job
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
----------
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Please refer to the [Changelog][active-job] for detailed changes.
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
### Notable changes
* Allow block to be passed to `ActiveJob::Base.discard_on` to allow custom
handling of discard jobs.
([Pull Request](https://github.com/rails/rails/pull/30622))
Ruby on Rails Guides
--------------------
Please refer to the [Changelog][guides] for detailed changes.
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
### Notable changes
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
* Add
[Threading and Code Execution in Rails](threading_and_code_execution.html)
Guide.
([Pull Request](https://github.com/rails/rails/pull/27494))
* Add [Active Storage Overview](active_storage_overview.html) Guide.
([Pull Request](https://github.com/rails/rails/pull/31037))
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
Credits
-------
See the
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
[full list of contributors to Rails](http://contributors.rubyonrails.org/)
for the many people who spent many hours making Rails, the stable and robust
Added first draft of Rails 5.2 release notes [ci skip]
2017-11-27 01:43:30 -05:00
framework it is. Kudos to all of them.
[railties]: https://github.com/rails/rails/blob/5-2-stable/railties/CHANGELOG.md
[action-pack]: https://github.com/rails/rails/blob/5-2-stable/actionpack/CHANGELOG.md
[action-view]: https://github.com/rails/rails/blob/5-2-stable/actionview/CHANGELOG.md
[action-mailer]: https://github.com/rails/rails/blob/5-2-stable/actionmailer/CHANGELOG.md
[action-cable]: https://github.com/rails/rails/blob/5-2-stable/actioncable/CHANGELOG.md
[active-record]: https://github.com/rails/rails/blob/5-2-stable/activerecord/CHANGELOG.md
[active-model]: https://github.com/rails/rails/blob/5-2-stable/activemodel/CHANGELOG.md
[active-support]: https://github.com/rails/rails/blob/5-2-stable/activesupport/CHANGELOG.md
[active-job]: https://github.com/rails/rails/blob/5-2-stable/activejob/CHANGELOG.md
Update "Ruby on Rails 5.2 Release Notes" Guide [ci skip] - Add a description of major features in Rails 5.2. - Add a reference to Pull Request/Commit to every entry in CHANGELOGs, note that some of them combined. - Add section "Ruby on Rails Guides" with notable changes. - Note that - Skipped this since encrypted secrets are already on the way out. ``` * Add `rails secrets:show` command. ([Pull Request](https://github.com/rails/rails/pull/29695)) ``` - Skipped this since it was backported all the way to 5-0-stable. ``` * Make Rails' test runner work better with minitest plugins. ([Pull Request](https://github.com/rails/rails/pull/29572)) ``` Thanks to everyone who has been working on Rails 5.2! <3
2018-03-08 18:04:39 -05:00
[guides]: https://github.com/rails/rails/blob/5-2-stable/guides/CHANGELOG.md
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