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Update dependency rails to v8 #185

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Update dependency rails to v8 #185

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@renovate renovate bot commented Nov 7, 2024

This PR contains the following updates:

Package Change Age Adoption Passing Confidence
rails (source, changelog) '~> 6.1.7.3' -> '~> 8.0.0' age adoption passing confidence

Release Notes

rails/rails (rails)

v8.0.0: 8.0.0

Compare Source

Active Support

  • Remove deprecated support to passing an array of strings to ActiveSupport::Deprecation#warn.

    Rafael Mendonça França

  • Remove deprecated support to setting attr_internal_naming_format with a @ prefix.

    Rafael Mendonça França

  • Remove deprecated ActiveSupport::ProxyObject.

    Rafael Mendonça França

  • Don't execute i18n watcher on boot. It shouldn't catch any file changes initially,
    and unnecessarily slows down boot of applications with lots of translations.

    Gannon McGibbon, David Stosik

  • Fix ActiveSupport::HashWithIndifferentAccess#stringify_keys to stringify all keys not just symbols.

    Previously:

    { 1 => 2 }.with_indifferent_access.stringify_keys[1] # => 2

    After this change:

    { 1 => 2 }.with_indifferent_access.stringify_keys["1"] # => 2

    This change can be seen as a bug fix, but since it behaved like this for a very long time, we're deciding
    to not backport the fix and to make the change in a major release.

    Jean Boussier

  • Include options when instrumenting ActiveSupport::Cache::Store#delete and ActiveSupport::Cache::Store#delete_multi.

    Adam Renberg Tamm

  • Print test names when running rails test -v for parallel tests.

    John Hawthorn, Abeid Ahmed

  • Deprecate Benchmark.ms core extension.

    The benchmark gem will become bundled in Ruby 3.5

    Earlopain

  • ActiveSupport::TimeWithZone#inspect now uses ISO 8601 style time like Time#inspect

    John Hawthorn

  • ActiveSupport::ErrorReporter#report now assigns a backtrace to unraised exceptions.

    Previously reporting an un-raised exception would result in an error report without
    a backtrace. Now it automatically generates one.

    Jean Boussier

  • Add escape_html_entities option to ActiveSupport::JSON.encode.

    This allows for overriding the global configuration found at
    ActiveSupport.escape_html_entities_in_json for specific calls to to_json.

    This should be usable from controllers in the following manner:

    class MyController < ApplicationController
  def index
    render json: { hello: "world" }, escape_html_entities: false
  end
end

    Nigel Baillie

  • Raise when using key which can't respond to #to_sym in EncryptedConfiguration.

    As is the case when trying to use an Integer or Float as a key, which is unsupported.

    zzak

  • Deprecate addition and since between two Time and ActiveSupport::TimeWithZone.

    Previously adding time instances together such as 10.days.ago + 10.days.ago or 10.days.ago.since(10.days.ago) produced a nonsensical future date. This behavior is deprecated and will be removed in Rails 8.1.

    Nick Schwaderer

  • Support rfc2822 format for Time#to_fs & Date#to_fs.

    Akshay Birajdar

  • Optimize load time for Railtie#initialize_i18n. Filter I18n.load_paths passed to the file watcher to only those
    under Rails.root. Previously the watcher would grab all available locales, including those in gems
    which do not require a watcher because they won't change.

    Nick Schwaderer

  • Add a filter option to in_order_of to prioritize certain values in the sorting without filtering the results
    by these values.

    Igor Depolli

  • Improve error message when using assert_difference or assert_changes with a
    proc by printing the proc's source code (MRI only).

    Richard Böhme, Jean Boussier

  • Add a new configuration value :zone for ActiveSupport.to_time_preserves_timezone and rename the previous true value to :offset. The new default value is :zone.

    Jason Kim, John Hawthorn

  • Align instrumentation payload[:key] in ActiveSupport::Cache to follow the same pattern, with namespaced and normalized keys.

    Frederik Erbs Spang Thomsen

  • Fix travel_to to set usec 0 when with_usec is false and the given argument String or DateTime.

    mopp

Active Model

  • Add :except_on option for validations. Grants the ability to skip validations in specified contexts.

    class User < ApplicationRecord
    #...
    validates :birthday, presence: { except_on: :admin }
    #...
end

user = User.new(attributes except birthday)
user.save(context: :admin)

    Drew Bragg

  • Make ActiveModel::Serialization#read_attribute_for_serialization public

    Sean Doyle

  • Add a default token generator for password reset tokens when using has_secure_password.

    class User < ApplicationRecord
  has_secure_password
end

user = User.create!(name: "david", password: "123", password_confirmation: "123")
token = user.password_reset_token
User.find_by_password_reset_token(token) # returns user

16 minutes later...

User.find_by_password_reset_token(token) # returns nil

raises ActiveSupport::MessageVerifier::InvalidSignature since the token is expired

User.find_by_password_reset_token!(token)
```

*DHH*

  • Add a load hook active_model_translation for ActiveModel::Translation.

    Shouichi Kamiya

  • Add raise_on_missing_translations option to ActiveModel::Translation.
    When the option is set, human_attribute_name raises an error if a translation of the given attribute is missing.

    

    • 



ActiveModel::Translation.raise_on_missing_translations = false


Post.human_attribute_name("title")
=> "Title"



ActiveModel::Translation.raise_on_missing_translations = true


Post.human_attribute_name("title")
=> Translation missing. Options considered were: (I18n::MissingTranslationData)
    - en.activerecord.attributes.post.title
    - en.attributes.title

            raise exception.respond_to?(:to_exception) ? exception.to_exception : exception
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
```

*Shouichi Kamiya*



    

  • 

    Introduce ActiveModel::AttributeAssignment#attribute_writer_missing
    

    Provide instances with an opportunity to gracefully handle assigning to an
    
unknown attribute:
    

    class Rectangle
  include ActiveModel::AttributeAssignment

  attr_accessor :length, :width

  def attribute_writer_missing(name, value)
    Rails.logger.warn "Tried to assign to unknown attribute #{name}"
  end
end

rectangle = Rectangle.new
rectangle.assign_attributes(height: 10) # => Logs "Tried to assign to unknown attribute 'height'"
    

    Sean Doyle
    

    • 



Active Record


    

  • 

    Fix support for query_cache: false in database.yml.
    

    query_cache: false would no longer entirely disable the Active Record query cache.
    

    zzak
    

    • 

  • 

    NULLS NOT DISTINCT works with UNIQUE CONSTRAINT as well as UNIQUE INDEX.
    

    Ryuta Kamizono
    

    • 

  • 

    The db:prepare task no longer loads seeds when a non-primary database is created.
    

    Previously, the db:prepare task would load seeds whenever a new database
    
is created, leading to potential loss of data if a database is added to an
    
existing environment.
    

    Introduces a new database config property seeds to control whether seeds
    
are loaded during db:prepare which defaults to true for primary database
    
configs and false otherwise.
    

    Fixes #​53348.
    

    Mike Dalessio
    

    • 

  • 

    PG::UnableToSend: no connection to the server is now retryable as a connection-related exception
    

    Kazuma Watanabe
    

    • 

  • 

    Fix strict loading propagation even if statement cache is not used.
    

    Ryuta Kamizono
    

    • 

  • 

    Allow rename_enum accepts two from/to name arguments as rename_table does so.
    

    Ryuta Kamizono
    

    • 

  • 

    Remove deprecated support to setting ENV["SCHEMA_CACHE"].
    

    Rafael Mendonça França
    

    • 

  • 

    Remove deprecated support to passing a database name to cache_dump_filename.
    

    Rafael Mendonça França
    

    • 

  • 

    Remove deprecated ActiveRecord::ConnectionAdapters::ConnectionPool#connection.
    

    Rafael Mendonça França
    

    • 

  • 

    Remove deprecated config.active_record.sqlite3_deprecated_warning.
    

    Rafael Mendonça França
    

    • 

  • 

    Remove deprecated config.active_record.warn_on_records_fetched_greater_than.
    

    Rafael Mendonça França
    

    • 

  • 

    Remove deprecated support for defining enum with keyword arguments.
    

    Rafael Mendonça França
    

    • 

  • 

    Remove deprecated support to finding database adapters that aren't registered to Active Record.
    

    Rafael Mendonça França
    

    • 

  • 

    Remove deprecated config.active_record.allow_deprecated_singular_associations_name.
    

    Rafael Mendonça França
    

    • 

  • 

    Remove deprecated config.active_record.commit_transaction_on_non_local_return.
    

    Rafael Mendonça França
    

    • 

  • 

    Fix incorrect SQL query when passing an empty hash to ActiveRecord::Base.insert.
    

    David Stosik
    

    • 

  • 

    Allow to save records with polymorphic join tables that have inverse_of
    
specified.
    

    Markus Doits
    

    • 

  • 

    Fix association scopes applying on the incorrect join when using a polymorphic has_many through:.
    

    Joshua Young
    

    • 

  • 

    Allow ActiveRecord::Base#pluck to accept hash arguments with symbol and string values.
    

    Post.joins(:comments).pluck(:id, comments: :id)
Post.joins(:comments).pluck("id", "comments" => "id")
    

    Joshua Young
    

    • 

  • 

    Make Float distinguish between float4 and float8 in PostgreSQL.
    

    Fixes #​52742
    

    Ryota Kitazawa, Takayuki Nagatomi
    

    • 

  • 

    Allow drop_table to accept an array of table names.
    

    This will let you to drop multiple tables in a single call.
    

    ActiveRecord::Base.lease_connection.drop_table(:users, :posts)
    

    Gabriel Sobrinho
    

    • 

  • 

    Add support for PostgreSQL IF NOT EXISTS via the :if_not_exists option
    
on the add_enum_value method.
    

    Ariel Rzezak
    

    • 

  • 

    When running db:migrate on a fresh database, load the databases schemas before running migrations.
    

    Andrew Novoselac, Marek Kasztelnik
    

    • 

  • 

    Fix an issue where .left_outer_joins used with multiple associations that have
    
the same child association but different parents does not join all parents.
    

    Previously, using .left_outer_joins with the same child association would only join one of the parents.
    

    Now it will correctly join both parents.
    

    Fixes #​41498.
    

    Garrett Blehm
    

    • 

  • 

    Deprecate unsigned_float and unsigned_decimal short-hand column methods.
    

    As of MySQL 8.0.17, the UNSIGNED attribute is deprecated for columns of type FLOAT, DOUBLE,
    
and DECIMAL. Consider using a simple CHECK constraint instead for such columns.
    

    https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
    

    Ryuta Kamizono
    

    • 

  • 

    Drop MySQL 5.5 support.
    

    MySQL 5.5 is the only version that does not support datetime with precision,
    
which we have supported in the core. Now we support MySQL 5.6.4 or later, which
    
is the first version to support datetime with precision.
    

    Ryuta Kamizono
    

    • 

  • 

    Make Active Record asynchronous queries compatible with transactional fixtures.
    

    Previously transactional fixtures would disable asynchronous queries, because transactional
    
fixtures impose all queries use the same connection.
    

    Now asynchronous queries will use the connection pinned by transactional fixtures, and behave
    
much closer to production.
    

    Jean Boussier
    

    • 

  • 

    Deserialize binary data before decrypting
    

    This ensures that we call PG::Connection.unescape_bytea on PostgreSQL before decryption.
    

    Donal McBreen
    

    • 

  • 

    Ensure ActiveRecord::Encryption.config is always ready before access.
    

    Previously, ActiveRecord::Encryption configuration was deferred until ActiveRecord::Base
    
was loaded. Therefore, accessing ActiveRecord::Encryption.config properties before
    
ActiveRecord::Base was loaded would give incorrect results.
    

    ActiveRecord::Encryption now has its own loading hook so that its configuration is set as
    
soon as needed.
    

    When ActiveRecord::Base is loaded, even lazily, it in turn triggers the loading of
    
ActiveRecord::Encryption, thus preserving the original behavior of having its config ready
    
before any use of ActiveRecord::Base.
    

    Maxime Réty
    

    • 

  • 

    Add TimeZoneConverter#== method, so objects will be properly compared by
    
their type, scale, limit & precision.
    

    Address #​52699.
    

    Ruy Rocha
    

    • 

  • 

    Add support for SQLite3 full-text-search and other virtual tables.
    

    Previously, adding sqlite3 virtual tables messed up schema.rb.
    

    Now, virtual tables can safely be added using create_virtual_table.
    

    Zacharias Knudsen
    

    • 

  • 

    Support use of alternative database interfaces via the database_cli ActiveRecord configuration option.
    

    Rails.application.configure do
  config.active_record.database_cli = { postgresql: "pgcli" }
end
    

    T S Vallender
    

    • 

  • 

    Add support for dumping table inheritance and native partitioning table definitions for PostgeSQL adapter
    

    Justin Talbott
    

    • 

  • 

    Add support for ActiveRecord::Point type casts using Hash values
    

    This allows ActiveRecord::Point to be cast or serialized from a hash
    
with :x and :y keys of numeric values, mirroring the functionality of
    
existing casts for string and array values. Both string and symbol keys are
    
supported.
    

    class PostgresqlPoint < ActiveRecord::Base
  attribute :x, :point
  attribute :y, :point
  attribute :z, :point
end

val = PostgresqlPoint.new({
  x: '(12.34, -43.21)',
  y: [12.34, '-43.21'],
  z: {x: '12.34', y: -43.21}
})
ActiveRecord::Point.new(12.32, -43.21) == val.x == val.y == val.z
    

    Stephen Drew
    

    • 

  • 

    Replace SQLite3::Database#busy_timeout with #busy_handler_timeout=.
    

    Provides a non-GVL-blocking, fair retry interval busy handler implementation.
    

    Stephen Margheim
    

    • 

  • 

    SQLite3Adapter: Translate SQLite3::BusyException into ActiveRecord::StatementTimeout.
    

    Matthew Nguyen
    

    • 

  • 

    Include schema name in enable_extension statements in db/schema.rb.
    

    The schema dumper will now include the schema name in generated
    
enable_extension statements if they differ from the current schema.
    

    For example, if you have a migration:
    

    enable_extension "heroku_ext.pgcrypto"
enable_extension "pg_stat_statements"
    

    then the generated schema dump will also contain:
    

    enable_extension "heroku_ext.pgcrypto"
enable_extension "pg_stat_statements"
    

    Tony Novak
    

    • 

  • 

    Fix ActiveRecord::Encryption::EncryptedAttributeType#type to return
    
actual cast type.
    

    Vasiliy Ermolovich
    

    • 

  • 

    SQLite3Adapter: Bulk insert fixtures.
    

    Previously one insert command was executed for each fixture, now they are
    
aggregated in a single bulk insert command.
    

    Lázaro Nixon
    

    • 

  • 

    PostgreSQLAdapter: Allow disable_extension to be called with schema-qualified name.
    

    For parity with enable_extension, the disable_extension method can be called with a schema-qualified
    
name (e.g. disable_extension "myschema.pgcrypto"). Note that PostgreSQL's DROP EXTENSION does not
    
actually take a schema name (unlike CREATE EXTENSION), so the resulting SQL statement will only name
    
the extension, e.g. DROP EXTENSION IF EXISTS "pgcrypto".
    

    Tony Novak
    

    • 

  • 

    Make create_schema / drop_schema reversible in migrations.
    

    Previously, create_schema and drop_schema were irreversible migration operations.
    

    Tony Novak
    

    • 

  • 

    Support batching using custom columns.
    

    Product.in_batches(cursor: [:shop_id, :id]) do |relation|
    

    • 



do something with relation


end
```

*fatkodima*



    

  • 

    Use SQLite IMMEDIATE transactions when possible.
    

    Transactions run against the SQLite3 adapter default to IMMEDIATE mode to improve concurrency support and avoid busy exceptions.
    

    Stephen Margheim
    

    • 

  • 

    Raise specific exception when a connection is not defined.
    

    The new ConnectionNotDefined exception provides connection name, shard and role accessors indicating the details of the connection that was requested.
    

    Hana Harencarova, Matthew Draper
    

    • 

  • 

    Delete the deprecated constant ActiveRecord::ImmutableRelation.
    

    Xavier Noria
    

    • 

  • 

    Fix duplicate callback execution when child autosaves parent with has_one and belongs_to.
    

    Before, persisting a new child record with a new associated parent record would run before_validation,
    
after_validation, before_save and after_save callbacks twice.
    

    Now, these callbacks are only executed once as expected.
    

    Joshua Young
    

    • 

  • 

    ActiveRecord::Encryption::Encryptor now supports a :compressor option to customize the compression algorithm used.
    

    module ZstdCompressor
  def self.deflate(data)
    Zstd.compress(data)
  end

  def self.inflate(data)
    Zstd.decompress(data)
  end
end

class User
  encrypts :name, compressor: ZstdCompressor
end
    

    You disable compression by passing compress: false.
    

    class User
  encrypts :name, compress: false
end
    

    heka1024
    

    • 

  • 

    Add condensed #inspect for ConnectionPool, AbstractAdapter, and
    
DatabaseConfig.
    

    Hartley McGuire
    

    • 

  • 

    Add .shard_keys, .sharded?, & .connected_to_all_shards methods.
    

    class ShardedBase < ActiveRecord::Base
    self.abstract_class = true

    connects_to shards: {
      shard_one: { writing: :shard_one },
      shard_two: { writing: :shard_two }
    }
end

class ShardedModel < ShardedBase
end

ShardedModel.shard_keys => [:shard_one, :shard_two]
ShardedModel.sharded? => true
ShardedBase.connected_to_all_shards { ShardedModel.current_shard } => [:shard_one, :shard_two]
    

    Nony Dutton
    

    • 

  • 

    Add a filter option to in_order_of to prioritize certain values in the sorting without filtering the results
    
by these values.
    

    Igor Depolli
    

    • 

  • 

    Fix an issue where the IDs reader method did not return expected results
    
for preloaded associations in models using composite primary keys.
    

    Jay Ang
    

    • 

  • 

    Allow to configure strict_loading_mode globally or within a model.
    

    Defaults to :all, can be changed to :n_plus_one_only.
    

    Garen Torikian
    

    • 

  • 

    Add ActiveRecord::Relation#readonly?.
    

    Reflects if the relation has been marked as readonly.
    

    Theodor Tonum
    

    • 

  • 

    Improve ActiveRecord::Store to raise a descriptive exception if the column is not either
    
structured (e.g., PostgreSQL +hstore+/+json+, or MySQL +json+) or declared serializable via
    
ActiveRecord.store.
    

    Previously, a NoMethodError would be raised when the accessor was read or written:
    

    NoMethodError: undefined method `accessor' for an instance of ActiveRecord::Type::Text

    

    Now, a descriptive ConfigurationError is raised:
    

    ActiveRecord::ConfigurationError: the column 'metadata' has not been configured as a store.
  Please make sure the column is declared serializable via 'ActiveRecord.store' or, if your
  database supports it, use a structured column type like hstore or json.

    

    Mike Dalessio
    

    • 

  • 

    Fix inference of association model on nested models with the same demodularized name.
    

    E.g. with the following setup:
    

    class Nested::Post < ApplicationRecord
  has_one :post, through: :other
end
    

    Before, #post would infer the model as Nested::Post, but now it correctly infers Post.
    

    Joshua Young
    

    • 

  • 

    Add public method for checking if a table is ignored by the schema cache.
    

    Previously, an application would need to reimplement ignored_table? from the schema cache class to check if a table was set to be ignored. This adds a public method to support this and updates the schema cache to use that directly.
    

    ActiveRecord.schema_cache_ignored_tables = ["developers"]
ActiveRecord.schema_cache_ignored_table?("developers")
=> true
    

    Eileen M. Uchitelle
    

    • 



Action View


    

  • 

    Remove deprecated support to passing a content to void tag elements on the tag builder.
    

    Rafael Mendonça França
    

    • 

  • 

    Remove deprecated support to passing nil to the model: argument of form_with.
    

    Rafael Mendonça França
    

    • 

  • 

    Enable DependencyTracker to evaluate renders with trailing interpolation.
    

    <%= render "maintenance_tasks/runs/info/#{run.status}" %>
    

    Previously, the DependencyTracker would ignore this render, but now it will
    
mark all partials in the "maintenance_tasks/runs/info" folder as
    
dependencies.
    

    Hartley McGuire
    

    • 

  • 

    Rename text_area methods into textarea
    

    Old names are still available as aliases.
    

    Sean Doyle
    

    • 

  • 

    Rename check_box* methods into checkbox*.
    

    Old names are still available as aliases.
    

    Jean Boussier
    

    • 



Action Pack


    

  • 

    Fix routes with :: in the path.
    

    Rafael Mendonça França
    

    • 

  • 

    Maintain Rack 2 parameter parsing behaviour.
    

    Matthew Draper
    

    • 

  • 

    Remove Rails.application.config.action_controller.allow_deprecated_parameters_hash_equality.
    

    Rafael Mendonça França
    

    • 

  • 

    Improve ActionController::TestCase to expose a binary encoded request.body.
    

    The rack spec clearly states:
    

    

    The input stream is an IO-like object which contains the raw HTTP POST data.
    
When applicable, its external encoding must be “ASCII-8BIT” and it must be opened in binary mode.
    

    

    Until now its encoding was generally UTF-8, which doesn't accurately reflect production
    
behavior.
    

    Jean Boussier
    

    • 

  • 

    Update ActionController::AllowBrowser to support passing method names to :block
    

    class ApplicationController < ActionController::Base
  allow_browser versions: :modern, block: :handle_outdated_browser

  private
    def handle_outdated_browser
      render file: Rails.root.join("public/custom-error.html"), status: :not_acceptable
    end
end
    

    Sean Doyle
    

    • 

  • 

    Raise an ArgumentError when invalid :only or :except options are passed into #resource and #resources.
    

    Joshua Young
    

    • 

  • 

    Fix non-GET requests not updating cookies in ActionController::TestCase.
    

    Jon Moss, Hartley McGuire
    

    • 

  • 

    Update ActionController::Live to use a thread-pool to reuse threads across requests.
    

    Adam Renberg Tamm
    

    • 

  • 

    Introduce safer, more explicit params handling method with params#expect such that
    
params.expect(table: [ :attr ]) replaces params.require(:table).permit(:attr)
    

    Ensures params are filtered with consideration for the expected
    
types of values, improving handling of params and avoiding ignorable
    
errors caused by params tampering.
    

    

    • 



If the url is altered to ?person=hacked


Before


params.require(:person).permit(:name, :age, pets: [:name])



raises NoMethodError, causing a 500 and potential error reporting


After


params.expect(person: [ :name, :age, pets: [[:name]] ])



raises ActionController::ParameterMissing, correctly returning a 400 error


```

You may also notice the new double array `[[:name]]`. In order to
declare when a param is expected to be an array of parameter hashes,
this new double array syntax is used to explicitly declare an array.
`expect` requires you to declare expected arrays in this way, and will
ignore arrays that are passed when, for example, `pet: [:name]` is used.

In order to preserve compatibility, `permit` does not adopt the new
double array syntax and is therefore more permissive about unexpected
types. Using `expect` everywhere is recommended.

We suggest replacing `params.require(:person).permit(:name, :age)`
with the direct replacement `params.expect(person: [:name, :age])`
to prevent external users from manipulating params to trigger 500
errors. A 400 error will be returned instead, using public/400.html

Usage of `params.require(:id)` should likewise be replaced with
`params.expect(:id)` which is designed to ensure that `params[:id]`
is a scalar and not an array or hash, also requiring the param.

```ruby



Before


User.find(params.require(:id)) # allows an array, altering behavior



After


User.find(params.expect(:id)) # expect only returns non-blank permitted scalars (excludes Hash, Array, nil, "", etc)
```

*Martin Emde*



    

  • 

    System Testing: Disable Chrome's search engine choice by default in system tests.
    

    glaszig
    

    • 

  • 

    Fix Request#raw_post raising NoMethodError when rack.input is nil.
    

    Hartley McGuire
    

    • 

  • 

    Remove racc dependency by manually writing ActionDispatch::Journey::Scanner.
    

    Gannon McGibbon
    

    • 

  • 

    Speed up ActionDispatch::Routing::Mapper::Scope#[] by merging frame hashes.
    

    Gannon McGibbon
    

    • 

  • 

    Allow bots to ignore allow_browser.
    

    Matthew Nguyen
    

    • 

  • 

    Deprecate drawing routes with multiple paths to make routing faster.
    
You may use with_options or a loop to make drawing multiple paths easier.
    

    

    • 



Before


get "/users", "/other_path", to: "users#index"



After


get "/users", to: "users#index"
get "/other_path", to: "users#index"
```

*Gannon McGibbon*



    

  • 

    Make http_cache_forever use immutable: true
    

    Nate Matykiewicz
    

    • 

  • 

    Add config.action_dispatch.strict_freshness.
    

    When set to true, the ETag header takes precedence over the Last-Modified header when both are present,
    
as specified by RFC 7232, Section 6.
    

    Defaults to false to maintain compatibility with previous versions of Rails, but is enabled as part of
    
Rails 8.0 defaults.
    

    heka1024
    

    • 

  • 

    Support immutable directive in Cache-Control
    

    expires_in 1.minute, public: true, immutable: true
    

    • 



Cache-Control: public, max-age=60, immutable


```

*heka1024*



    

  • 

    Add :wasm_unsafe_eval mapping for content_security_policy
    

    

    • 



Before


policy.script_src "'wasm-unsafe-eval'"



After


policy.script_src :wasm_unsafe_eval
```

*Joe Haig*



    

  • 

    Add display_capture and keyboard_map in permissions_policy
    

    Cyril Blaecke
    

    • 

  • 

    Add connect route helper.
    

    Samuel Williams
    

    • 



Active Job


    

  • 

    Remove deprecated config.active_job.use_big_decimal_serializer.
    

    Rafael Mendonça França
    

    • 

  • 

    Deprecate sucker_punch as an adapter option.
    

    If you're using this adapter, change to adapter: async for the same functionality.
    

    Dino Maric, zzak
    

    • 

  • 

    Use RAILS_MAX_THREADS in ActiveJob::AsyncAdapter. If it is not set, use 5 as default.
    

    heka1024
    

    • 



Action Mailer


    

  • No changes.
    • 



Action Cable


    

  • 

    Add an identifier to the event payload for the ActiveSupport::Notification transmit_subscription_confirmation.action_cable and transmit_subscription_rejection.action_cable.
    

    Keith Schacht
    

    • 



Active Storage


    

  • 

    Deprecate ActiveStorage::Service::AzureStorageService.
    

    zzak
    

    • 

  • 

    Improve ActiveStorage::Filename#sanitized method to handle special characters more effectively.
    
Replace the characters "*?<> with - if they exist in the Filename to match the Filename convention of Win OS.
    

    Luong Viet Dung(Martin)
    

    • 

  • 

    Improve InvariableError, UnpreviewableError and UnrepresentableError message.
    

    Include Blob ID and content_type in the messages.
    

    Petrik de Heus
    

    • 

  • 

    Mark proxied files as immutable in their Cache-Control header
    

    Nate Matykiewicz
    

    • 



Action Mailbox


    

  • No changes.
    • 



Action Text


    

  • 

    Dispatch direct-upload events on attachment uploads
    

    When using Action Text's rich textarea,  it's possible to attach files to the
    
editor. Previously, that action didn't dispatch any events, which made it hard
    
to react to the file uploads. For instance, if an upload failed, there was no
    
way to notify the user about it, or remove the attachment from the editor.
    

    This commits adds new events - direct-upload:start, direct-upload:progress,
    
and direct-upload:end - similar to how Active Storage's direct uploads work.
    

    Matheus Richard, Brad Rees
    

    • 

  • 

    Add store_if_blank option to has_rich_text
    

    Pass store_if_blank: false to not create ActionText::RichText records when saving with a blank attribute, such as from an optional form parameter.
    

    class Message
  has_rich_text :content, store_if_blank: false
end

Message.create(content: "hi") # creates an ActionText::RichText
Message.create(content: "") # does not create an ActionText::RichText
    

    Alex Ghiculescu
    

    • 

  • 

    Strip content attribute if the key is present but the value is empty
    

    Jeremy Green
    

    • 

  • 

    Rename rich_text_area methods into rich_textarea
    

    Old names are still available as aliases.
    

    Sean Doyle
    

    • 

  • 

    Only sanitize content attribute when present in attachments.
    

    Petrik de Heus
    

    • 



Railties


    

  • 

    Fix incorrect database.yml with skip_solid.
    

    Joé Dupuis
    

    • 

  • 

    Set Regexp.timeout to 1s by default to improve security over Regexp Denial-of-Service attacks.
    

    Rafael Mendonça França
    

    • 

  • 

    Remove deprecated support to extend Rails console through Rails::ConsoleMethods.
    

    Rafael Mendonça França
    

    • 

  • 

    Remove deprecated file rails/console/helpers.
    

    Rafael Mendonça França
    

    • 

  • 

    Remove deprecated file rails/console/app.
    

    Rafael Mendonça França
    

    • 

  • 

    Remove deprecated config.read_encrypted_secrets.
    

    Rafael Mendonça França
    

    • 

  • 

    Add Kamal support for devcontainers
    

    Previously generated devcontainer could not use docker and therefore Kamal.
    

    Joé Dupuis
    

    • 

  • 

    Exit rails g with code 1 if generator could not be found.
    

    Previously rails g returned 0, which would make it harder to catch typos in scripts calling rails g.
    

    Christopher Özbek
    

    • 

  • 

    Remove require_* statements from application.css to align with the transition from Sprockets to Propshaft.
    

    With Propshaft as the default asset pipeline in Rails 8, the require_tree and require_self clauses in application.css are no longer necessary, as they were specific to Sprockets. Additionally, the comment has been updated to clarify that CSS precedence now follows standard cascading order without automatic prioritization by the asset pipeline.
    

    Eduardo Alencar
    

    • 

  • 

    Do not include redis by default in generated Dev Containers.
    

    Now that applications use the Solid Queue and Solid Cache gems by default, we do not need to include redis
    
in the Dev Container. We will only include redis if --skip-solid is used when generating an app that uses
    
Active Job or Action Cable.
    

    When generating a Dev Container for an existing app, we will not include redis if either of the solid gems
    
are in use.
    

    Andrew Novoselac
    

    • 

  • 

    Use Solid Cable as the default Action Cable adapter in production, configured as a separate queue database in config/database.yml. It keeps messages in a table and continuously polls for updates. This makes it possible to drop the common dependency on Redis, if it isn't needed for any other purpose. Despite polling, the performance of Solid Cable is comparable to Redis in most situations. And in all circumstances, it makes it easier to deploy Rails when Redis is no longer a required dependency for Action Cable functionality.
    

    DHH
    

    • 

  • 

    Use Solid Queue as the default Active Job backend in production, configured as a separate queue database in config/database.yml. In a single-server deployment, it'll run as a Puma plugin. This is configured in config/deploy.yml and can easily be changed to use a dedicated jobs machine.
    

    DHH
    

    • 

  • 

    Use Solid Cache as the default Rails.cache backend in production, configured as a separate cache database in config/database.yml.
    

    DHH
    

    • 

  • 

    Add Rails::Rack::SilenceRequest middleware and use it via config.silence_healthcheck_path = path
    
to silence requests to "/up". This prevents the Kamal-required health checks from clogging up
    
the production logs.
    

    DHH
    

    • 

  • 

    Introduce mariadb-mysql and mariadb-trilogy database options for rails new
    

    When used with the --devcontainer flag, these options will use mariadb as the database for the
    
Dev Container. The original mysql and trilogy options will use mysql. Users who are not
    
generating a Dev Container do not need to use the new options.
    

    Andrew Novoselac
    

    • 

  • 

    Deprecate ::STATS_DIRECTORIES.
    

    The global constant STATS_DIRECTORIES has been deprecated in favor of
    
Rails::CodeStatistics.register_directory.
    

    Add extra directories with Rails::CodeStatistics.register_directory(label, path):
    

    require "rails/code_statistics"
Rails::CodeStatistics.register_directory('My Directory', 'path/to/dir')
    

    Petrik de Heus
    

    • 

  • 

    Enable query log tags by default on development env
    

    This can be used to trace troublesome SQL statements back to the application
    
code that generated these statements. It is also useful when using multiple
    
databases because the query logs can identify which database is being used.
    

    Matheus Richard
    

    • 

  • 

    Defer route drawing to the first request, or when url_helpers are called
    

    Executes the first routes reload in middleware, or when a route set's
    
url_helpers receives a route call / asked if it responds to a route.
    
Previously, this was executed unconditionally on boot, which can
    
slow down boot time unnecessarily for larger apps with lots of routes.
    

    Environments like production that have config.eager_load = true will
    
continue to eagerly load routes on boot.
    

    Gannon McGibbon
    

    • 

  • 

    Generate form helpers to use textarea* methods instead of text_area* methods
    

    Sean Doyle
    

    • 

  • 

    Add authentication generator to give a basic start to an authentication system using database-tracked sessions and password reset.
    

    Generate with...
    

    bin/rails generate authentication

    

    Generated files:
    

    app/models/current.rb
app/models/user.rb
app/models/session.rb
app/controllers/sessions_controller.rb
app/controllers/passwords_controller.rb
app/mailers/passwords_mailer.rb
app/views/sessions/new.html.erb
app/views/passwords/new.html.erb
app/views/passwords/edit.html.erb
app/views/passwords_mailer/reset.html.erb
app/views/passwords_mailer/reset.text.erb
db/migrate/xxxxxxx_create_users.rb
db/migrate/xxxxxxx_create_sessions.rb
test/mailers/previews/passwords_mailer_preview.rb

    

    DHH
    

    • 

  • 

    Add not-null type modifier to migration attributes.
    

    Generating with...
    

    bin/rails generate migration CreateUsers email_address:string!:uniq password_digest:string!

    

    Produces:
    

    class CreateUsers < ActiveRecord::Migration[8.0]
  def change
    create_table :users do |t|
      t.string :email_address, null: false
      t.string :password_digest, null: false

      t.timestamps
    end
    add_index :users, :email_address, unique: true
  end
end
    

    DHH
    

    • 

  • 

    Add a script folder to applications, and a scripts generator.
    

    The new script folder is meant to hold one-off or general purpose scripts,
    
such as data migration scripts, cleanup scripts, etc.
    

    A new script generator allows you to create such scripts:
    

    bin/rails generate script my_script
bin/rails generate script data/backfill

    

    You can run the generated script using:
    

    bundle exec ruby script/my_script.rb
bundle exec ruby script/data/backfill.rb

    

    Jerome Dalbert, Haroon Ahmed
    

    • 

  • 

    Deprecate bin/rake stats in favor of bin/rails stats.
    

    Juan Vásquez
    

    • 

  • 

    Add internal page /rails/info/notes, that displays the same information as bin/rails notes.
    

    Deepak Mahakale
    

    • 

  • 

    Add Rubocop and GitHub Actions to plugin generator.
    
This can be skipped using --skip-rubocop and --skip-ci.
    

    Chris Oliver
    

    • 

  • 

    Use Kamal for deployment by default, which includes generating a Rails-specific config/deploy.yml.
    
This can be skipped using --skip-kamal. See more: https://kamal-deploy.org/
    

    DHH
    

    • 



Guides


    

  • 

    The guide Classic to Zeitwerk HOWTO that documented how to migrate from
    
the classic autoloader to Zeitwerk has been deleted.
    

    The last version of this guide can be found
    
here,
    
in case you need it.
    

    Petrik de Heus
    

    • 



v7.2.2: 7.2.2


Compare Source


Active Support


    

  • 

    Include options when instrumenting ActiveSupport::Cache::Store#delete and ActiveSupport::Cache::Store#delete_multi.
    

    Adam Renberg Tamm
    

    • 

  • 

    Print test names when running rails test -v for parallel tests.
    

    John Hawthorn, Abeid Ahmed
    

    • 



Active Model


    

  • 

    Fix regression in alias_attribute to work with user defined methods.
    

    alias_attribute would wrongly assume the attribute accessor was generated by Active Model.
    

    class Person
  include ActiveModel::AttributeMethods

  define_attribute_methods :name
  attr_accessor :name

  alias_attribute :full_name, :name
end

person.full_name # => NoMethodError: undefined method `attribute' for an instance of Person
    

    Jean Boussier
    

    • 



Active Record


    

  • 

    Fix support for query_cache: false in database.yml.
    

    query_cache: false would no longer entirely disable the Active Record query cache.
    

    zzak
    

    • 

  • 

    Set .attributes_for_inspect to :all by default.
    

    For new applications it is set to [:id] in config/environment/production.rb.
    

    In the console all the attributes are always shown.
    

    Andrew Novoselac
    

    • 

  • 

    PG::UnableToSend: no connection to the server is now retryable as a connection-related exception
    

    Kazuma Watanabe
    

    • 

  • 

    Fix marshalling of unsaved associated records in 7.1 format.
    

    The 7.1 format would only marshal associated records if the association was loaded.
    
But associations that would only contain unsaved records would be skipped.
    

    Jean Boussier
    

    • 

  • 

    Fix incorrect SQL query when passing an empty hash to ActiveRecord::Base.insert.
    

    David Stosik
    

    • 

  • 

    Allow to save records with polymorphic join tables that have inverse_of
    
specified.
    

    Markus Doits
    

    • 

  • 

    Fix association scopes applying on the incorrect join when using a polymorphic has_many through:.
    

    Joshua Young
    

    • 

  • 

    Fix dependent: :destroy for bi-directional has one through association.
    

    Fixes #​50948.
    

    class Left < ActiveRecord::Base
  has_one :middle, dependent: :destroy
  has_one :right, through: :middle
end

class Middle < ActiveRecord::Base
  belongs_to :left, dependent: :destroy
  belongs_to :right, dependent: :destroy
end

class Right < ActiveRecord::Base
  has_one :middle, dependent: :destroy
  has_one :left, through: :middle
end
    

    In the above example left.destroy wouldn't destroy its associated Right
    
record.
    

    Andy Stewart
    

    • 

  • 

    Properly handle lazily pinned connection pools.
    

    Fixes #​53147.
    

    When using transactional fixtures with system tests to similar tools
    
such as capybara, it could happen that a connection end up pinned by the
    
server thread rather than the test thread, causing
    
"Cannot expire connection, it is owned by a different thread" errors.
    

    Jean Boussier
    

    • 

  • 

    Fix ActiveRecord::Base.with to accept more than two sub queries.
    

    Fixes #​53110.
    

    User.with(foo: [User.select(:id), User.select(:id), User.select(:id)]).to_sql
undefined method `union' for an instance of Arel::Nodes::UnionAll (NoMethodError)
    

    The above now works as expected.
    

    fatkodima
    

    • 

  • 

    Properly release pinned connections with non joinable connections.
    

    Fixes #​52973
    

    When running system tests with transactional fixtures on, it could happen that
    
the connection leased by the Puma thread wouldn't be properly released back to the pool,
    
causing "Cannot expire connection, it is owned by a different thread" errors in later tests.
    

    Jean Boussier
    

    • 

  • 

    Make Float distinguish between float4 and float8 in PostgreSQL.
    

    Fixes #​52742
    

    Ryota Kitazawa, Takayuki Nagatomi
    

    • 

  • 

    Fix an issue where .left_outer_joins used with multiple associations that have
    
the same child association but different parents does not join all parents.
    

    Previously, using .left_outer_joins with the same child association would only join one of the parents.
    

    Now it will correctly join both parents.
    

    Fixes #​41498.
    

    Garrett Blehm
    

    • 

  • 

    Ensure ActiveRecord::Encryption.config is always ready before access.
    

    Previously, ActiveRecord::Encryption configuration was deferred until ActiveRecord::Base
    
was loaded. Therefore, accessing ActiveRecord::Encryption.config properties before
    
ActiveRecord::Base was loaded would give incorrect results.
    

    ActiveRecord::Encryption now has its own loading hook so that its configuration is set as
    
soon as needed.
    

    When ActiveRecord::Base is loaded, even lazily, it in turn triggers the loading of
    
ActiveRecord::Encryption, thus preserving the original behavior of having its config ready
    
before any use of ActiveRecord::Base.
    

    Maxime Réty
    

    • 

  • 

    Add TimeZoneConverter#== method, so objects will be properly compared by
    
their type, scale, limit & precision.
    

    Address #​52699.
    

    Ruy Rocha
    

    • 



Action View


    

  • No changes.
    • 



Action Pack


    

  • 

    Fix non-GET requests not updating cookies in ActionController::TestCase.
    

    Jon Moss, Hartley McGuire
    

    • 



Active Job


    

  • No changes.
    • 



Action Mailer


    

  • No changes.
    • 



Action Cable


    

  • No changes.
    • 



Active Storage


    

  • No changes.
    • 



Action Mailbox


    

  • No changes.
    • 



Action Text


    

  • No changes.
    • 



Railties


    

  • No changes.
    • 



Guides


    

  • No changes.
    • 



v7.2.1.2: 7.2.1.2


Compare Source


Active Support


    

  • No changes.
    • 



Active Model


    

  • No changes.
    • 



Active Record


    

  • No changes.
    • 



Action View


    

  • No changes.
    • 



Action Pack


    

  • No changes.
    • 



Active Job


    

  • No changes.
    • 



Action Mailer


    

  • 

    Fix NoMethodError in block_format helper
    

    Michael Leimstaedtner
    

    • 



Action Cable


    

  • No changes.
    • 



Active Storage


    

  • No changes.
    • 



Action Mailbox


    

  • No changes.
    • 



Action Text


    

  • No changes.
    • 



Railties


    

  • No changes.
    • 



Guides


    

  • No changes.
    • 



v7.2.1.1: 7.2.1.1


Compare Source


Active Support


    

  • No changes.
    • 



Active Model


    

  • No changes.
    • 



Active Record


    

  • No changes.
    • 



Action View


    

  • No changes.
    • 



Action Pack


    

  • 

    Avoid regex backtracking in HTTP Token authentication
    

    [CVE-2024-47887]
    

    • 

  • 

    Avoid regex backtracking in query parameter filtering
    

    [CVE-2024-41128]
    

    • 



Active Job


    

  • No changes.
    • 



Action Mailer



Action Cable


    

  • No changes.
    • 



Active Storage


    

  • No changes.
    • 



Action Mailbox


    

  • No changes.
    • 



Action Text


    

  • 

    Avoid backtracing in plain_text_for_blockquote_node
    

    [CVE-2024-47888]
    

    • 



Railties


    

  • No changes.
    • 



Guides


    

  • No changes.
    • 



v7.2.1: 7.2.1


Compare Source


Active Support


    

  • No changes.
    • 



Active Model


    

  • No changes.
    • 



Active Record


    

  • 

    Fix detection for enum columns with parallelized tests and PostgreSQL.
    

    Rafael Mendonça França
    

    • 

  • 

    Allow to eager load nested nil associations.
    

    fatkodima
    

    • 

  • 

    Fix swallowing ignore order warning when batching using BatchEnumerator.
    

    fatkodima
    

    • 

  • 

    Fix memory bloat on the connection pool when using the Fiber IsolatedExecutionState.
    

    Jean Boussier
    

    • 

  • 

    Restore inferred association class with the same modularized name.
    

    Justin Ko
    

    • 

  • 

    Fix ActiveRecord::Base.inspect to properly explain how to load schema information.
    

    Jean Boussier
    

    • 

  • 

    Check invalid enum options for the new syntax.
    

    The options using _ prefix in the old syntax are invalid in the new syntax.
    

    Rafael Mendonça França
    

    • 

  • 

    Fix ActiveRecord::Encryption::EncryptedAttributeType#type to return
    
actual cast type.
    

    Vasiliy Ermolovich
    

    • 

  • 

    Fix create_table with :auto_increment option for MySQL adapter.
    

    fatkodima
    

    • 



Action View


    

  • No changes.
    • 



Action Pack


    

  • 

    Fix Request#raw_post raising NoMethodError when rack.input is nil.
    

    Hartley McGuire
    

    • 



Active Job


    

  • No changes.
    • 



Action Mailer


    

  • No changes.
    • 



Action Cable


    

  • No changes.
    • 



Active Storage


    

  • No changes.
    • 



Action Mailbox


    

  • No changes.
    • 



Action Text


    

  • 

    Strip content attribute if the key is present but the value is empty
    

    Jeremy Green
    

    • 



Railties


    

  • 

    Fix rails console for application with non default application constant.
    

    The wrongly assumed the Rails application would be named AppNamespace::Application,
    
which is the default but not an obligation.
    

    Jean Boussier
    

    • 

  • 

    Fix the default Dockerfile to include the full sqlite3 package.
    

    Prior to this it only included libsqlite3, so it wasn't enough to
    
run rails dbconsole.
    

    Jerome Dalbert
    

    • 

  • 

    Don't update public directory during app:update command for API-only Applications.
    

    y-yagi
    

    • 

  • 

    Don't add bin/brakeman if brakeman is not in bundle when upgrading an application.
    

    Etienne Barrié
    

    • 

  • 

    Remove PWA views and routes if its an API only project.
    

    Jean Boussier
    

    • 

  • 

    Simplify generated Puma configuration
    

    DHH, Rafael Mendonça França
    

    • 



v7.2.0


Compare Source


v7.1.5: 7.1.5


Compare Source


Active Support


    

  • No changes.
    • 



Active Model


    

  • 

    Fix regression in alias_attribute to work with user defined methods.
    

    alias_attribute would wrongly assume the attribute accessor was generated by Active Model.
    

    class Person
  include ActiveModel::AttributeMethods

  define_attribute_methods :name
  attr_accessor :name

  alias_attribute :full_name, :name
end

person.full_name # => NoMethodError: undefined method `attribute' for an instance of Person
    

    Jean Boussier
    

    • 



Active Record


    

  • 

    Fix marshalling of unsaved associated records in 7.1 format.
    

    The 7.1 format would only marshal associated records if the association was loaded.
    
But associations that would only contain unsaved records would be skipped.
    

    Jean Boussier
    

    • 

  • 

    Fix an issue where .left_outer_joins used with multiple associations that have
    
the same child association but different parents does not join all parents.
    

    Previously, using .left_outer_joins with the same child association would only join one of the parents.
    

    Now it will correctly join both parents.
    

    Fixes #​41498.
    

    Garrett Blehm
    

    • 

  • 

    Ensure ActiveRecord::Encryption.config is always ready before access.
    

    Previously, ActiveRecord::Encryption configuration was deferred until ActiveRecord::Base
    
was loaded. Therefore, accessing ActiveRecord::Encryption.config properties before
    
ActiveRecord::Base was loaded would give incorrect results.
    

    ActiveRecord::Encryption now has its own loading hook so that its configuration is set as
    
soon as needed.
    

    When ActiveRecord::Base is loaded, even lazily, it in turn triggers the loading of
    
ActiveRecord::Encryption, thus preserving the original behavior of having its config ready
    
before any use of ActiveRecord::Base.
    

    Maxime Réty
    

    • 

  • 

    Add TimeZoneConverter#== method, so objects will be properly compared by
    
their type, scale, limit & precision.
    

    Address #​52699.
    

    Ruy Rocha
    

    • 



Action View


    

  • No changes.
    • 



Action Pack


    

  • No changes.
    • 



Active Job


    

  • No changes.
    • 



Action Mailer


    

  • No changes.
    • 



Action Cable


    

  • No changes.
    • 



Active Storage


    

  • No changes.
    • 



Action Mailbox


    

  • No changes.
    • 



Action Text


    

  • No changes.
    • 



Railties


    

  • No changes.
    • 



Guides


    

  • No changes.
    • 



v7.1.4.2: 7.1.4.2


Compare Source


Active Support


    

  • No changes.
    • 



Active Model


    

  • No changes.
    • 



Active Record


    

  • No changes.
    • 



Action View


    

  • No changes.
    • 



Action Pack


    

  • No changes.
    • 



Active Job


    

  • No changes.
    • 



Action Mailer


    

  • 

    Fix NoMethodError in block_format helper
    

    Michael Leimstaedtner
    

    • 



Action Cable


    

  • No changes.
    • 



Active Storage


    

  • No changes.
    • 



Action Mailbox


    

  • No changes.
    • 



Action Text


    

  • No changes.
    • 



Railties


    

  • No changes.
    • 



Guides


    

  • No changes.
    • 



v7.1.4.1: 7.1.4.1


Compare Source


Active Support


    

  • No changes.
    • 



Active Model


    

  • No changes.
    • 



Active Record


    

  • No changes.
    • 



Action View


    

  • No changes.
    • 



Action Pack


    

  • 

    Avoid regex backtracking in HTTP Token authentication
    

    [CVE-2024-47887]
    

    • 

  • 

    Avoid regex backtracking in query parameter filtering
    

    [CVE-2024-41128]
    

    • 



Active Job


    

  • No changes.
    • 



Action Mailer



Action Cable


    

  • No changes.
    • 



Active Storage


    

  • No changes.
    • 



Action Mailbox


    

  • No changes.
    • 



Action Text


    

  • 

    Avoid backtracing in plain_text_for_blockquote_node
    

    [CVE-2024-47888]
    

    • 



Railties


    

  • No changes.
    • 



Guides


    

  • No changes.
    • 



v7.1.4: 7.1.4


Compare Source


Active Support


    

  • 

    Improve compatibility for ActiveSupport::BroadcastLogger.
    

    Máximo Mussini
    

    • 

  • 

    Pass options along to write_entry in handle_expired_entry method.
    

    Graham Cooper
    

    • 

  • 

    Fix Active Support configurations deprecations.
    

    fatkodima
    

    • 

  • 

    Fix teardown callbacks.
    

    Tristan Starck
    

    • 

  • 

    BacktraceCleaner silence core internal methods by default.
    

    Jean Boussier
    

    • 

  • 

    Fix delegate_missing_to allow_nil: true when called with implict self
    

    class Person
  delegate_missing_to :address, allow_nil: true

  def address
    nil
  end

  def berliner?
    city == "Berlin"
  end
end

Person.new.city # => nil
Person.new.berliner? # undefined local variable or method `city' for an instance of Person (NameError)
    

    Jean Boussier
    

    • 

  • 

    Work around a Ruby bug that can cause a VM crash.
    

    This would happen if using TaggerLogger with a Proc
    
formatter on which you called object_id.
    

    [BUG] Object ID seen, but not in mapping table: proc

    

    Jean Boussier
    

    • 

  • 

    Fix ActiveSupport::Notifications.publish_event to preserve units.
    

    This solves the incorrect reporting of time spent running Active Record
    
asynchronous queries (by a factor 1000).
    

    Jean Boussier
    

    • 



Active Model


    

  • No changes.
    • 



Active Record


    

  • 

    Allow to eager load nested nil associations.
    

    fatkodima
    

    • 

  • 

    Fix create_table with :auto_increment option for MySQL adapter.
    

    fatkodima
    

    • 

  • 

    Don't load has_one associations during autosave.
    

    Eugene Kenny
    

    • 

  • 

    Fix migration ordering for bin/rails db:prepare across databases.
    

    fatkodima
    

    • 

  • 

    Fix alias_attribute to ignore methods defined in parent classes.
    

    Jean Boussier
    

    • 

  • 

    Fix a performance regression in attribute methods.
    

    Jean Boussier
    

    • 

  • 

    Fix Active Record configs variable shadowing.
    

    Joel Lubrano
    

    • 

  • 

    Fix running migrations on other databases when database_tasks: false on primary.
    

    fatkodima
    

    • 

  • 

    Fix non-partial inserts for models with composite identity primary keys.
    

    fatkodima
    

    • 

  • 

    Fix ActiveRecord::Relation#touch_all with custom attribute aliased as attribute for update.
    

    fatkodima
    

    • 

  • 

    Fix a crash when an Executor wrapped fork exit.
    

    Joé Dupuis
    

    • 

  • 

    Fix destroy_async job for owners with composite primary keys.
    

    fatkodima
    

    • 

  • 

    Ensure pre-7.1 migrations use legacy index names when using rename_table.
    

    fatkodima
    

    • 

  • 

    Allow primary_key: association option to be composite.
    

    Nikita Vasilevsky
    

    • 

  • 

    Do not try to alias on key update when raw SQL is supplied.
    

    Gabriel Amaral
    

    • 

  • 

    Memoize key_provider from key or deterministic key_provider if any.
    

    Rosa Gutierrez
    

    • 

  • 

    Fix upsert warning for MySQL.
    

    fatkodima
    

    • 

  • 

    Fix predicate builder for polymorphic models referencing models with composite primary keys.
    

    fatkodima
    

    • 

  • 

    Fix update_all/delete_all on CPK model relation with join subquery.
    

    Nikita Vasilevsky
    

    • 

  • 

    Remove memoization to accept key_provider overridden by with_encryption_context.
    

    John Hawthorn
    

    • 

  • 

    Raise error for Trilogy when prepared_statements is true.
    

    Trilogy doesn't currently support prepared statements. The error that
    
applications would see is a StatementInvalid error. This doesn't quite point
    
you to the fact this isn't supported. So raise a more appropriate error
    
pointing to what to change.
    

    Eileen M. Uchitelle
    

    • 

  • 

    Fix loading schema cache when all databases have disabled database tasks.
    

    fatkodima
    

    • 

  • 

    Always request primary_key in RETURNING if no other columns requested.
    

    Nikita Vasilevsky
    

    • 

  • 

    Handle records being loaded with Marshal without triggering schema load
    

    When using the old marshalling format for Active Record and loading
    
a serialized instance, it didn't trigger loading the schema and defining
    
attribute methods.
    

    Jean Boussier
    

    • 

  • 

    Prevent some constant redefinition warnings when defining inherited on models.
    

    Adrian Hirt
    

    • 

  • 

    Fix a memory perfomance regression in attribute methods.
    

    Attribute methods used much more memory and were slower to define than
    
they should have been.
    

    Jean Boussier
    

    • 

  • 

    Fix an issue that could cause database connection leaks.
    

    If Active Record successfully connected to the database, but then failed
    
to read the server informations, the connection would be leaked until the
    
Ruby garbage collector triggers.
    

    Jean Boussier
    

    • 

  • 

    Fix an issue where the IDs reader method did not return expected results
    
for preloaded associations in models using composite primary keys.
    

    Jay Ang
    

    • 

  • 

    PostgreSQL Cidr#change? detects the address prefix change.
    

    Taketo Takashima
    

    • 

  • 

    Fix Active Record serialization to not include instantiated but not loaded associations
    

    Jean Boussier, Ben Kyriakou
    

    • 

  • 

    Allow Sqlite3Adapter to use sqlite3 gem version 2.x
    

    Mike Dalessio
    

    • 

  • 

    Strict loading using :n_plus_one_only does not eagerly load child associations.
    

    With this change, child associations are no longer eagerly loaded, to
    
match intended behavior and to prevent non-deterministic order issues caused
    
by calling methods like first or last. As first and last don't cause
    
an N+1 by themselves, calling child associations will no longer raise.
    
Fixes #​49473.
    

    Before:
    

    person = Person.find(1)
person.strict_loading!(mode: :n_plus_one_only)
person.posts.first
    

    • 



SELECT * FROM posts WHERE person_id = 1; -- non-deterministic order


person.posts.first.firm # raises ActiveRecord::StrictLoadingViolationError
```

After:

```ruby
person = Person.find(1)
person.strict_loading!(mode: :n_plus_one_only)
person.posts.first # this is 1+1, not N+1



SELECT * FROM posts WHERE person_id = 1 ORDER BY id LIMIT 1;


person.posts.first.firm # no longer raises
```







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