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Fix "Ruby on Rails 5.2 Release Notes" [ci skip]

- Remove
  ```
  *   Namespace error pages' CSS selectors to stop the styles from bleeding
      into other pages when using Turbolinks.
      ([Pull Request](rails#28814))
  ```
  since it was backported to
  `5-1-stable` by 50d5baf
  and
  `5-0-stable` by d1c4a39.

- Remove
  ```
  *   Allow irb options to be passed from `rails console` command.
      ([Pull Request](rails#29010))
  ```
  since it was backported to
  `5-1-stable` by e91b483.

- Remove
  ```
  *   Load environment file in `dbconsole` command.
      ([Pull Request](rails#29725))
  ```
  since it was backported to
  `5-1-stable` by 7f93428.

- Remove
  ```
  *   Gemfile for new apps: upgrade redis-rb from ~> 3.0 to 4.0.
      ([Pull Request](rails#30748))
  ```
  since it was backported to
  `5-1-stable` by 3789531.

- Remove
  ```
  *   Fix minitest rails plugin.
      The custom reporters are added only if needed.
      This will fix conflicts with others plugins.
      ([Commit](rails@ac99916))
  ```
  since it was backported to
  `5-1-stable` by caa7695.

- Remove
  ```
  *   Add support for compatibility with redis-rb gem for 4.0 version.
      ([Pull Request](rails#30748))
  ```
  since it was backported to
  `5-1-stable` by 3789531.

- Remove
  ```
  *   Add `action_controller_api` and `action_controller_base` load hooks to be
      called in `ActiveSupport.on_load`.
      ([Pull Request](rails#28402))
  ```
  since it was backported to
  `5-1-stable` by b9a5fd7.

- Remove
  ```
  *   `driven_by` now registers poltergeist and capybara-webkit.
      ([Pull Request](rails#29315))
  ```
  since it was backported to
  `5-1-stable` by c5dd451.

- Remove
  ```
  *   Fallback `ActionController::Parameters#to_s` to `Hash#to_s`.
      ([Pull Request](rails#29630))
  ```
  since it was backported to
  `5-1-stable` by c1014e4
  and
  `5-0-stable` by 0e71fc3.

- Remove
  ```
  *   Make `take_failed_screenshot` work within engine.
      ([Pull Request](rails#30421))
  ```
  since it was backported to
  `5-1-stable` by 595a231.

- Remove
  ```
  *   Fix optimized url helpers when using relative url root.
      ([Pull Request](rails#31261))
  ```
  since it was backported to
  `5-1-stable` by e9b7795.

- Remove
  ```
  *   Update `distance_of_time_in_words` helper to display better error messages
      for bad input.
      ([Pull Request](rails#20701))
  ```
  since it was backported to
  `5-1-stable` by 2c97fbf.

- Remove
  ```
  *   Generate field ids in `collection_check_boxes` and
      `collection_radio_buttons`.
      ([Pull Request](rails#29412))
  ```
  since it was backported to
  `5-1-stable` by 2d8c10a.

- Remove
  ```
  *   Fix issues with scopes and engine on `current_page?` method.
      ([Pull Request](rails#29503))
  ```
  since it was backported to
  `5-1-stable` by 2135daf.

- Remove
  ```
  *   Bring back proc with arity of 1 in `ActionMailer::Base.default` proc
      since it was supported in Rails 5.0 but not deprecated.
      ([Pull Request](rails#30391))
  ```
  since it was backported to
  `5-1-stable` by b2bedb1.

- Remove
  ```
  *   Add type caster to `RuntimeReflection#alias_name`.
      ([Pull Request](rails#28961))
  ```
  since it was backported to
  `5-1-stable` by f644e7a.

- Remove
  ```
  *   Loading model schema from database is now thread-safe.
      ([Pull Request](rails#29216))
  ```
  since it was backported to
  `5-1-stable` by 02926cf.
  and
  `5-0-stable` by 84bcfe5

- Remove
  ```
  *   Fix destroying existing object does not work well when optimistic locking
      enabled and `locking_column` is null in the database.
      ([Pull Request](rails#28926))
  ```
  since it was backported to
  `5-1-stable` by e498052.

- Remove
  ```
  *   `ActiveRecord::Persistence#touch` does not work well
      when optimistic locking enabled and `locking_column`,
      without default value, is null in the database.
      ([Pull Request](rails#28914))
  ```
  since it was backported to
  `5-1-stable` by 1e2f63d.

- Remove
  ```
  *   Previously, when building records using a `has_many :through` association,
      if the child records were deleted before the parent was saved,
      they would still be persisted. Now, if child records are deleted
      before the parent is saved on a `has_many :through` association,
      the child records will not be persisted.
      ([Pull Request](rails#29593))
  ```
  since it was backported to
  `5-1-stable` by a22c39e.

- Remove
  ```
  *   Query cache was unavailable when entering the `ActiveRecord::Base.cache`
      block without being connected.
      ([Pull Request](rails#29609))
  ```
  since it was backported to
  `5-1-stable` by fd6c8cd
  and
  `5-0-stable` by 9f2532b.

- Remove
  ```
  *   `Relation#joins` is no longer affected by the target model's
      `current_scope`, with the exception of `unscoped`.
      ([Commit](rails@5c71000))
  ```
  since it was backported to
  `5-1-stable` by 3630d63.

- Remove
  ```
  *   Fix `unscoped(where: [columns])` removing the wrong bind values.
      ([Pull Request](rails#29780))
  ```
  since it was backported to
  `5-1-stable` by d378fcb.

- Remove
  ```
  *   When a `has_one` association is destroyed by `dependent: destroy`,
      `destroyed_by_association` will now be set to the reflection, matching the
      behaviour of `has_many` associations.
      ([Pull Request](rails#29855))
  ```
  since it was backported to
  `5-1-stable` by 8254a8b.

- Remove
  ```
  *   Fix `COUNT(DISTINCT ...)` with `ORDER BY` and `LIMIT`
      to keep the existing select list.
      ([Pull Request](rails#29848))
  ```
  since it was backported to
  `5-1-stable` by 0e8d4ed.

- Remove
  ```
  *   Ensure `sum` honors `distinct` on `has_many :through` associations.
      ([Commit](rails@566f1fd))
  ```
  since it was backported to
  `5-1-stable` by c0a1dc2.

- Remove
  ```
  *   Fix `COUNT(DISTINCT ...)` for `GROUP BY` with `ORDER BY` and `LIMIT`.
      ([Commit](rails@5668dc6))
  ```
  since it was backported to
  `5-1-stable` by 87ca68e.

- Remove
  ```
  *   MySQL: Don't lose `auto_increment: true` in the `db/schema.rb`.
      ([Commit](rails@9493d45))
  ```
  since it was backported to
  `5-1-stable` by 8b6e694.

- Remove
  ```
  *   Fix longer sequence name detection for serial columns.
      ([Pull Request](rails#28339))
  ```
  since it was backported to
  `5-1-stable` by af9c170
  and
  `5-0-stable` by 7025b1d.

- Remove
  ```
  *   Fix `bin/rails db:setup` and `bin/rails db:test:prepare` create wrong
      ar_internal_metadata's data for a test database.
      ([Pull Request](rails#30579))
  ```
  since it was backported to
  `5-1-stable` by bb67b5f
  and
  `5-0-stable` by 60437e6.

- Remove
  ```
  *   Fix conflicts `counter_cache` with `touch: true` by optimistic locking.
      ([Pull Request](rails#31405))
  ```
  since it was backported to
  `5-1-stable` by 5236dda.

- Remove
  ```
  *   Fix `count(:all)` to correctly work `distinct` with custom SELECT list.
      ([Commit](rails@c6cd9a5))
  ```
  since it was backported to
  `5-1-stable` by 6beb4de.

- Remove
  ```
  *   Fix to invoke callbacks when using `update_attribute`.
      ([Commit](rails@732aa34))
  ```
  since it was backported to
  `5-1-stable` by 6346683.

- Remove
  ```
  *   Use `count(:all)` in `HasManyAssociation#count_records` to prevent invalid
      SQL queries for association counting.
      ([Pull Request](rails#27561))
  ```
  since it was backported to
  `5-1-stable` by eef3c89.

- Remove
  ```
  *   Fix `count(:all)` with eager loading and having an order other than
      the driving table.
      ([Commit](rails@ebc09ed))
  ```
  since it was backported to
  `5-1-stable` by 6df9b69.

- Remove
  ```
  *   PostgreSQL: Allow pg-1.0 gem to be used with Active Record.
      ([Pull Request](rails#31671))
  ```
  since it was backported to
  `5-1-stable` by a9c06f6.

- Remove
  ```
  *   Fix that after commit callbacks on update does not triggered
      when optimistic locking is enabled.
      ([Commit](rails@7f9bd03))
  ```
  since it was backported to
  `5-1-stable` by aaee10e.

- Remove
  ```
  *   Fix regression in numericality validator when comparing Decimal and Float
      input values with more scale than the schema.
      ([Pull Request](rails#28584))
  ```
  since it was backported to
  `5-1-stable` by 5b1c3e5.
  Note that there was incorrect link to PR,
  original PR is rails#29249.

- Remove
  ```
  *   Fix to working before/after validation callbacks on multiple contexts.
      ([Pull Request](rails#31483))
  ```
  since it was backported to
  `5-1-stable` by 0f7046a.

- Remove
  ```
  *   Fix implicit coercion calculations with scalars and durations.
      ([Pull Request](rails#29163),
      [Pull Request](rails#29971))
  ```
  since it was backported to
  `5-1-stable` by 51ea27c,
                  4d82e2a.

- Remove
  ```
  *   Fix modulo operations involving durations.
      ([Commit](rails@a54e13b))
  ```
  since it was backported to
  `5-1-stable` by 233fa7e.

- Remove
  ```
  *   Return all mappings for a timezone identifier in `country_zones`.
      ([Commit](rails@cdce6a7))
  ```
  since it was backported to
  `5-1-stable` by 0222ebb.

- Remove
  ```
  *   Add support for compatibility with redis-rb gem for 4.0 version.
      ([Pull Request](rails#30748))
  ```
  since it was backported to
  `5-1-stable` by 3789531.
  Related to rails#32252.

Related to rails#32222, rails#32222 (comment).
Follow up a489cc8.
  • Loading branch information...
bogdanvlviv committed Mar 14, 2018
1 parent 63ec63c commit b5b179fb57ec37ffc3b8c033fd886d6718f89b59
Showing with 0 additions and 154 deletions.
  1. +0 −154 guides/source/5_2_release_notes.md
@@ -172,26 +172,16 @@ Please refer to the [Changelog][railties] for detailed changes.
### Notable changes
* Namespace error pages' CSS selectors to stop the styles from bleeding
into other pages when using Turbolinks.
([Pull Request](https://github.com/rails/rails/pull/28814))
* Added a shared section to `config/database.yml` that will be loaded for
all environments.
([Pull Request](https://github.com/rails/rails/pull/28896))
* Allow irb options to be passed from `rails console` command.
([Pull Request](https://github.com/rails/rails/pull/29010))
* 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))
* Load environment file in `dbconsole` command.
([Pull Request](https://github.com/rails/rails/pull/29725))
* 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.
@@ -246,19 +236,11 @@ Please refer to the [Changelog][railties] for detailed changes.
* Add `mini_magick` to default `Gemfile` as comment.
([Pull Request](https://github.com/rails/rails/pull/30633))
* Gemfile for new apps: upgrade redis-rb from ~> 3.0 to 4.0.
([Pull Request](https://github.com/rails/rails/pull/30748))
* `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))
* Fix minitest rails plugin.
The custom reporters are added only if needed.
This will fix conflicts with others plugins.
([Commit](https://github.com/rails/rails/commit/ac99916fcf7bf27bb1519d4f7387c6b4c5f0463d))
Action Cable
------------
@@ -277,9 +259,6 @@ Please refer to the [Changelog][action-cable] for detailed changes.
* Hash long stream identifiers when using PostgreSQL adapter.
([Pull Request](https://github.com/rails/rails/pull/29297))
* Add support for compatibility with redis-rb gem for 4.0 version.
([Pull Request](https://github.com/rails/rails/pull/30748))
Action Pack
-----------
@@ -298,10 +277,6 @@ Please refer to the [Changelog][action-pack] for detailed changes.
### Notable changes
* Add `action_controller_api` and `action_controller_base` load hooks to be
called in `ActiveSupport.on_load`.
([Pull Request](https://github.com/rails/rails/pull/28402))
* Add support for recyclable cache keys with fragment caching.
([Pull Request](https://github.com/rails/rails/pull/29092))
@@ -312,18 +287,9 @@ Please refer to the [Changelog][action-pack] for detailed changes.
* AEAD encrypted cookies and sessions with GCM.
([Pull Request](https://github.com/rails/rails/pull/28132))
* `driven_by` now registers poltergeist and capybara-webkit.
([Pull Request](https://github.com/rails/rails/pull/29315))
* Fallback `ActionController::Parameters#to_s` to `Hash#to_s`.
([Pull Request](https://github.com/rails/rails/pull/29630))
* Protect from forgery by default.
([Pull Request](https://github.com/rails/rails/pull/29742))
* Make `take_failed_screenshot` work within engine.
([Pull Request](https://github.com/rails/rails/pull/30421))
* Enforce signed/encrypted cookie expiry server side.
([Pull Request](https://github.com/rails/rails/pull/30121))
@@ -353,9 +319,6 @@ Please refer to the [Changelog][action-pack] for detailed changes.
[Commit](https://github.com/rails/rails/commit/619b1b6353a65e1635d10b8f8c6630723a5a6f1a),
[Commit](https://github.com/rails/rails/commit/4ec8bf68ff92f35e79232fbd605012ce1f4e1e6e))
* Fix optimized url helpers when using relative url root.
([Pull Request](https://github.com/rails/rails/pull/31261))
* Register most popular audio/video/font mime types supported by modern
browsers.
([Pull Request](https://github.com/rails/rails/pull/31251))
@@ -409,21 +372,10 @@ Please refer to the [Changelog][action-view] for detailed changes.
### Notable changes
* Update `distance_of_time_in_words` helper to display better error messages
for bad input.
([Pull Request](https://github.com/rails/rails/pull/20701))
* 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))
* Generate field ids in `collection_check_boxes` and
`collection_radio_buttons`.
([Pull Request](https://github.com/rails/rails/pull/29412))
* Fix issues with scopes and engine on `current_page?` method.
([Pull Request](https://github.com/rails/rails/pull/29503))
* Add `srcset` option to `image_tag` helper.
([Pull Request](https://github.com/rails/rails/pull/29349))
@@ -453,10 +405,6 @@ Please refer to the [Changelog][action-mailer] for detailed changes.
* Add `assert_enqueued_email_with` test helper.
([Pull Request](https://github.com/rails/rails/pull/30695))
* Bring back proc with arity of 1 in `ActionMailer::Base.default` proc
since it was supported in Rails 5.0 but not deprecated.
([Pull Request](https://github.com/rails/rails/pull/30391))
Active Record
-------------
@@ -546,9 +494,6 @@ Please refer to the [Changelog][active-record] for detailed changes.
when the current migration does not exist.
([Commit](https://github.com/rails/rails/commit/bb9d6eb094f29bb94ef1f26aa44f145f17b973fe))
* Add type caster to `RuntimeReflection#alias_name`.
([Pull Request](https://github.com/rails/rails/pull/28961))
* Respect `SchemaDumper.ignore_tables` in rake tasks for
databases structure dump.
([Pull Request](https://github.com/rails/rails/pull/29077))
@@ -559,39 +504,16 @@ Please refer to the [Changelog][active-record] for detailed changes.
does not include a timestamp any more.
([Pull Request](https://github.com/rails/rails/pull/29092))
* Loading model schema from database is now thread-safe.
([Pull Request](https://github.com/rails/rails/pull/29216))
* 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))
* Fix destroying existing object does not work well when optimistic locking
enabled and `locking_column` is null in the database.
([Pull Request](https://github.com/rails/rails/pull/28926))
* `ActiveRecord::Persistence#touch` does not work well
when optimistic locking enabled and `locking_column`,
without default value, is null in the database.
([Pull Request](https://github.com/rails/rails/pull/28914))
* 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))
* Previously, when building records using a `has_many :through` association,
if the child records were deleted before the parent was saved,
they would still be persisted. Now, if child records are deleted
before the parent is saved on a `has_many :through` association,
the child records will not be persisted.
([Pull Request](https://github.com/rails/rails/pull/29593))
* Query cache was unavailable when entering the `ActiveRecord::Base.cache`
block without being connected.
([Pull Request](https://github.com/rails/rails/pull/29609))
* 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
@@ -617,26 +539,10 @@ Please refer to the [Changelog][active-record] for detailed changes.
recognize 't' and 'f' as was previously serialized.
([Pull Request](https://github.com/rails/rails/pull/29699))
* `Relation#joins` is no longer affected by the target model's
`current_scope`, with the exception of `unscoped`.
([Commit](https://github.com/rails/rails/commit/5c71000d086cc42516934415b79380c2224e1614))
* 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))
* Fix `unscoped(where: [columns])` removing the wrong bind values.
([Pull Request](https://github.com/rails/rails/pull/29780))
* When a `has_one` association is destroyed by `dependent: destroy`,
`destroyed_by_association` will now be set to the reflection, matching the
behaviour of `has_many` associations.
([Pull Request](https://github.com/rails/rails/pull/29855))
* Fix `COUNT(DISTINCT ...)` with `ORDER BY` and `LIMIT`
to keep the existing select list.
([Pull Request](https://github.com/rails/rails/pull/29848))
* `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))
@@ -652,9 +558,6 @@ Please refer to the [Changelog][active-record] for detailed changes.
* Add `binary` fixture helper method.
([Pull Request](https://github.com/rails/rails/pull/30073))
* Ensure `sum` honors `distinct` on `has_many :through` associations.
([Commit](https://github.com/rails/rails/commit/566f1fd068711dfe557bef63406f8dd6d41d473d))
* Automatically guess the inverse associations for STI.
([Pull Request](https://github.com/rails/rails/pull/23425))
@@ -676,19 +579,6 @@ Please refer to the [Changelog][active-record] for detailed changes.
* PostgreSQL `tsrange` now preserves subsecond precision.
([Pull Request](https://github.com/rails/rails/pull/30725))
* Fix `COUNT(DISTINCT ...)` for `GROUP BY` with `ORDER BY` and `LIMIT`.
([Commit](https://github.com/rails/rails/commit/5668dc6b1863ef43be8f8ef0fb1d5db913085fb3))
* MySQL: Don't lose `auto_increment: true` in the `db/schema.rb`.
([Commit](https://github.com/rails/rails/commit/9493d4553569118b2a85da84fd3a8ba2b5b2de76))
* Fix longer sequence name detection for serial columns.
([Pull Request](https://github.com/rails/rails/pull/28339))
* Fix `bin/rails db:setup` and `bin/rails db:test:prepare` create wrong
ar_internal_metadata's data for a test database.
([Pull Request](https://github.com/rails/rails/pull/30579))
* Raises when calling `lock!` in a dirty record.
([Commit](https://github.com/rails/rails/commit/63cf15877bae859ff7b4ebaf05186f3ca79c1863))
@@ -732,9 +622,6 @@ Please refer to the [Changelog][active-record] for detailed changes.
* Add support for PostgreSQL operator classes to `add_index`.
([Pull Request](https://github.com/rails/rails/pull/19090))
* Fix conflicts `counter_cache` with `touch: true` by optimistic locking.
([Pull Request](https://github.com/rails/rails/pull/31405))
* Log database query callers.
([Pull Request](https://github.com/rails/rails/pull/26815),
[Pull Request](https://github.com/rails/rails/pull/31519),
@@ -746,16 +633,6 @@ Please refer to the [Changelog][active-record] for detailed changes.
* Using subselect for `delete_all` with `limit` or `offset`.
([Commit](https://github.com/rails/rails/commit/9e7260da1bdc0770cf4ac547120c85ab93ff3d48))
* Fix `count(:all)` to correctly work `distinct` with custom SELECT list.
([Commit](https://github.com/rails/rails/commit/c6cd9a59f200863ccfe8ad1d9c5a8876c39b9c5c))
* Fix to invoke callbacks when using `update_attribute`.
([Commit](https://github.com/rails/rails/commit/732aa34b6e6459ad66a3d3ad107cfff75cc45160))
* Use `count(:all)` in `HasManyAssociation#count_records` to prevent invalid
SQL queries for association counting.
([Pull Request](https://github.com/rails/rails/pull/27561))
* 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)`.
@@ -779,17 +656,10 @@ Please refer to the [Changelog][active-record] for detailed changes.
* Clear the transaction state when an Active Record object is duped.
([Pull Request](https://github.com/rails/rails/pull/31751))
* Fix `count(:all)` with eager loading and having an order other than
the driving table.
([Commit](https://github.com/rails/rails/commit/ebc09ed9ad9a04338138739226a1a92c7a2707ee))
* 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))
* PostgreSQL: Allow pg-1.0 gem to be used with Active Record.
([Pull Request](https://github.com/rails/rails/pull/31671))
* Make `reflection.klass` raise if `polymorphic?` not to be misused.
([Commit](https://github.com/rails/rails/commit/63fc1100ce054e3e11c04a547cdb9387cd79571a))
@@ -798,10 +668,6 @@ Please refer to the [Changelog][active-record] for detailed changes.
even if `ORDER BY` columns include other table's primary key.
([Commit](https://github.com/rails/rails/commit/851618c15750979a75635530200665b543561a44))
* Fix that after commit callbacks on update does not triggered
when optimistic locking is enabled.
([Commit](https://github.com/rails/rails/commit/7f9bd034c485c2425ae0164ff5d6374834e3aa1d))
* 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))
@@ -818,10 +684,6 @@ Please refer to the [Changelog][active-model] for detailed changes.
Change `#values` to only return the not empty values.
([Pull Request](https://github.com/rails/rails/pull/28584))
* Fix regression in numericality validator when comparing Decimal and Float
input values with more scale than the schema.
([Pull Request](https://github.com/rails/rails/pull/28584))
* Add method `#merge!` for `ActiveModel::Errors`.
([Pull Request](https://github.com/rails/rails/pull/29714))
@@ -832,9 +694,6 @@ Please refer to the [Changelog][active-model] for detailed changes.
is `false`.
([Pull Request](https://github.com/rails/rails/pull/31058))
* Fix to working before/after validation callbacks on multiple contexts.
([Pull Request](https://github.com/rails/rails/pull/31483))
* Models using the attributes API with a proc default can now be marshalled.
([Commit](https://github.com/rails/rails/commit/0af36c62a5710e023402e37b019ad9982e69de4b))
@@ -883,10 +742,6 @@ Please refer to the [Changelog][active-support] for detailed changes.
in Active Record and its use in Action Pack's fragment caching.
([Pull Request](https://github.com/rails/rails/pull/29092))
* Fix implicit coercion calculations with scalars and durations.
([Pull Request](https://github.com/rails/rails/pull/29163),
[Pull Request](https://github.com/rails/rails/pull/29971))
* 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.
@@ -923,9 +778,6 @@ Please refer to the [Changelog][active-support] for detailed changes.
`ActiveSupport::MessageEncryptor`.
([Pull Request](https://github.com/rails/rails/pull/29892))
* Fix modulo operations involving durations.
([Commit](https://github.com/rails/rails/commit/a54e13bd2e8fb4d6aa0aebe59271699a2d62567b))
* Update `String#camelize` to provide feedback when wrong option is passed.
([Pull Request](https://github.com/rails/rails/pull/30039))
@@ -1016,9 +868,6 @@ Please refer to the [Changelog][active-support] for detailed changes.
This allows to specify multiple numeric differences in the same assertion.
([Pull Request](https://github.com/rails/rails/pull/31600))
* Return all mappings for a timezone identifier in `country_zones`.
([Commit](https://github.com/rails/rails/commit/cdce6a709e1cbc98fff009effc3b1b3ce4c7e8db))
* 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))
@@ -1030,9 +879,6 @@ Please refer to the [Changelog][active-job] for detailed changes.
### Notable changes
* Add support for compatibility with redis-rb gem for 4.0 version.
([Pull Request](https://github.com/rails/rails/pull/30748))
* 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))

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