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  • ActiveSupport::Cache::MemCacheStore now accepts an explicit nil for its addresses argument.

    config.cache_store = :mem_cache_store, nil

# is now equivalent to

config.cache_store = :mem_cache_store

# and is also equivalent to

config.cache_store = :mem_cache_store, ENV["MEMCACHE_SERVERS"] || "localhost:11211"

# which is the fallback behavior of Dalli

    This helps those migrating from :dalli_store, where an explicit nil was permitted.

    Michael Overmeyer

Rails 6.1.1 (January 07, 2021)

  • Change IPAddr#to_json to match the behavior of the json gem returning the string representation instead of the instance variables of the object.

    Before:

    IPAddr.new("127.0.0.1").to_json
# => "{\"addr\":2130706433,\"family\":2,\"mask_addr\":4294967295}"

    After:

    IPAddr.new("127.0.0.1").to_json
# => "\"127.0.0.1\""

Rails 6.1.0 (December 09, 2020)

  • Ensure MemoryStore disables compression by default. Reverts behavior of MemoryStore to its prior rails 5.1 behavior.

    Max Gurewitz

  • Calling iso8601 on negative durations retains the negative sign on individual digits instead of prepending it.

    This change is required so we can interoperate with PostgreSQL, which prefers negative signs for each component.

    Compatibility with other iso8601 parsers which support leading negatives as well as negatives per component is still retained.

    Before:

    (-1.year - 1.day).iso8601
# => "-P1Y1D"

    After:

    (-1.year - 1.day).iso8601
# => "P-1Y-1D"

    Vipul A M

  • Remove deprecated ActiveSupport::Notifications::Instrumenter#end=.

    Rafael Mendonça França

  • Deprecate ActiveSupport::Multibyte::Unicode.default_normalization_form.

    Rafael Mendonça França

  • Remove deprecated ActiveSupport::Multibyte::Unicode.pack_graphemes, ActiveSupport::Multibyte::Unicode.unpack_graphemes, ActiveSupport::Multibyte::Unicode.normalize, ActiveSupport::Multibyte::Unicode.downcase, ActiveSupport::Multibyte::Unicode.upcase and ActiveSupport::Multibyte::Unicode.swapcase.

    Rafael Mendonça França

  • Remove deprecated ActiveSupport::Multibyte::Chars#consumes? and ActiveSupport::Multibyte::Chars#normalize.

    Rafael Mendonça França

  • Remove deprecated file active_support/core_ext/range/include_range.

    Rafael Mendonça França

  • Remove deprecated file active_support/core_ext/hash/transform_values.

    Rafael Mendonça França

  • Remove deprecated file active_support/core_ext/hash/compact.

    Rafael Mendonça França

  • Remove deprecated file active_support/core_ext/array/prepend_and_append.

    Rafael Mendonça França

  • Remove deprecated file active_support/core_ext/numeric/inquiry.

    Rafael Mendonça França

  • Remove deprecated file active_support/core_ext/module/reachable.

    Rafael Mendonça França

  • Remove deprecated Module#parent_name, Module#parent and Module#parents.

    Rafael Mendonça França

  • Remove deprecated ActiveSupport::LoggerThreadSafeLevel#after_initialize.

    Rafael Mendonça França

  • Remove deprecated LoggerSilence constant.

    Rafael Mendonça França

  • Remove deprecated fallback to I18n.default_local when config.i18n.fallbacks is empty.

    Rafael Mendonça França

  • Remove entries from local cache on RedisCacheStore#delete_matched

    Fixes #38627

    ojab

  • Speed up ActiveSupport::SecurityUtils.fixed_length_secure_compare by using OpenSSL.fixed_length_secure_compare, if available.

    Nate Matykiewicz

  • ActiveSupport::Cache::MemCacheStore now checks ENV["MEMCACHE_SERVERS"] before falling back to "localhost:11211" if configured without any addresses.

    config.cache_store = :mem_cache_store

# is now equivalent to

config.cache_store = :mem_cache_store, ENV["MEMCACHE_SERVERS"] || "localhost:11211"

# instead of

config.cache_store = :mem_cache_store, "localhost:11211" # ignores ENV["MEMCACHE_SERVERS"]

    Sam Bostock

  • ActiveSupport::Subscriber#attach_to now accepts an inherit_all: argument. When set to true, it allows a subscriber to receive events for methods defined in the subscriber's ancestor class(es).

    class ActionControllerSubscriber < ActiveSupport::Subscriber
  attach_to :action_controller

  def start_processing(event)
    info "Processing by #{event.payload[:controller]}##{event.payload[:action]} as #{format}"
  end

  def redirect_to(event)
    info { "Redirected to #{event.payload[:location]}" }
  end
end

# We detach ActionControllerSubscriber from the :action_controller namespace so that our CustomActionControllerSubscriber
# can provide its own instrumentation for certain events in the namespace
ActionControllerSubscriber.detach_from(:action_controller)

class CustomActionControllerSubscriber < ActionControllerSubscriber
  attach_to :action_controller, inherit_all: true

  def start_processing(event)
    info "A custom response to start_processing events"
  end

  # => CustomActionControllerSubscriber will process events for "start_processing.action_controller" notifications
  # using its own #start_processing implementation, while retaining ActionControllerSubscriber's instrumentation
  # for "redirect_to.action_controller" notifications
end

    Adrianna Chang

  • Allow the digest class used to generate non-sensitive digests to be configured with config.active_support.hash_digest_class.

    config.active_support.use_sha1_digests is deprecated in favour of config.active_support.hash_digest_class = ::Digest::SHA1.

    Dirkjan Bussink

  • Fix bug to make memcached write_entry expire correctly with unless_exist

    Jye Lee

  • Add ActiveSupport::Duration conversion methods

    in_seconds, in_minutes, in_hours, in_days, in_weeks, in_months, and in_years return the respective duration covered.

    Jason York

  • Fixed issue in ActiveSupport::Cache::RedisCacheStore not passing options to read_multi causing fetch_multi to not work properly

    Rajesh Sharma

  • Fixed issue in ActiveSupport::Cache::MemCacheStore which caused duplicate compression, and caused the provided compression_threshold to not be respected.

    Max Gurewitz

  • Prevent RedisCacheStore and MemCacheStore from performing compression when reading entries written with raw: true.

    Max Gurewitz

  • URI.parser is deprecated and will be removed in Rails 6.2. Use URI::DEFAULT_PARSER instead.

    Jean Boussier

  • require_dependency has been documented to be obsolete in :zeitwerk mode. The method is not deprecated as such (yet), but applications are encouraged to not use it.

    In :zeitwerk mode, semantics match Ruby's and you do not need to be defensive with load order. Just refer to classes and modules normally. If the constant name is dynamic, camelize if needed, and constantize.

    Xavier Noria

  • Add 3rd person aliases of Symbol#start_with? and Symbol#end_with?.

    :foo.starts_with?("f") # => true
:foo.ends_with?("o")   # => true

    Ryuta Kamizono

  • Add override of unary plus for ActiveSupport::Duration.

    + 1.second is now identical to +1.second to prevent errors where a seemingly innocent change of formatting leads to a change in the code behavior.

    Before:

    +1.second.class
# => ActiveSupport::Duration
(+ 1.second).class
# => Integer

    After:

    +1.second.class
# => ActiveSupport::Duration
(+ 1.second).class
# => ActiveSupport::Duration

    Fixes #39079.

    Roman Kushnir

  • Add subsec to ActiveSupport::TimeWithZone#inspect.

    Before:

    Time.at(1498099140).in_time_zone.inspect
# => "Thu, 22 Jun 2017 02:39:00 UTC +00:00"
Time.at(1498099140, 123456780, :nsec).in_time_zone.inspect
# => "Thu, 22 Jun 2017 02:39:00 UTC +00:00"
Time.at(1498099140 + Rational("1/3")).in_time_zone.inspect
# => "Thu, 22 Jun 2017 02:39:00 UTC +00:00"

    After:

    Time.at(1498099140).in_time_zone.inspect
# => "Thu, 22 Jun 2017 02:39:00.000000000 UTC +00:00"
Time.at(1498099140, 123456780, :nsec).in_time_zone.inspect
# => "Thu, 22 Jun 2017 02:39:00.123456780 UTC +00:00"
Time.at(1498099140 + Rational("1/3")).in_time_zone.inspect
# => "Thu, 22 Jun 2017 02:39:00.333333333 UTC +00:00"

    akinomaeni

  • Calling ActiveSupport::TaggedLogging#tagged without a block now returns a tagged logger.

    logger.tagged("BCX").info("Funky time!") # => [BCX] Funky time!

    Eugene Kenny

  • Align Range#cover? extension behavior with Ruby behavior for backwards ranges.

    (1..10).cover?(5..3) now returns false, as it does in plain Ruby.

    Also update #include? and #=== behavior to match.

    Michael Groeneman

  • Update to TZInfo v2.0.0.

    This changes the output of ActiveSupport::TimeZone.utc_to_local, but can be controlled with the ActiveSupport.utc_to_local_returns_utc_offset_times config.

    New Rails 6.1 apps have it enabled by default, existing apps can upgrade via the config in config/initializers/new_framework_defaults_6_1.rb

    See the utc_to_local_returns_utc_offset_times documentation for details.

    Phil Ross, Jared Beck

  • Add Date and Time #yesterday? and #tomorrow? alongside #today?.

    Aliased to #prev_day? and #next_day? to match the existing #prev/next_day methods.

    Jatin Dhankhar

  • Add Enumerable#pick to complement ActiveRecord::Relation#pick.

    Eugene Kenny

  • [Breaking change] ActiveSupport::Callbacks#halted_callback_hook now receive a 2nd argument:

    ActiveSupport::Callbacks#halted_callback_hook now receive the name of the callback being halted as second argument. This change will allow you to differentiate which callbacks halted the chain and act accordingly.

      class Book < ApplicationRecord
    before_save { throw(:abort) }
    before_create { throw(:abort) }

    def halted_callback_hook(filter, callback_name)
      Rails.logger.info("Book couldn't be #{callback_name}d")
    end

    Book.create # => "Book couldn't be created"
    book.save # => "Book couldn't be saved"
  end

    Edouard Chin

  • Support prepend with ActiveSupport::Concern.

    Allows a module with extend ActiveSupport::Concern to be prepended.

    module Imposter
  extend ActiveSupport::Concern

  # Same as `included`, except only run when prepended.
  prepended do
  end
end

class Person
  prepend Imposter
end

    Class methods are prepended to the base class, concerning is also updated: concerning :Imposter, prepend: true do.

    Jason Karns, Elia Schito

  • Deprecate using Range#include? method to check the inclusion of a value in a date time range. It is recommended to use Range#cover? method instead of Range#include? to check the inclusion of a value in a date time range.

    Vishal Telangre

  • Support added for a round_mode parameter, in all number helpers. (See: BigDecimal::mode.)

    number_to_currency(1234567890.50, precision: 0, round_mode: :half_down) # => "$1,234,567,890"
number_to_percentage(302.24398923423, precision: 5, round_mode: :down) # => "302.24398%"
number_to_rounded(389.32314, precision: 0, round_mode: :ceil) # => "390"
number_to_human_size(483989, precision: 2, round_mode: :up) # => "480 KB"
number_to_human(489939, precision: 2, round_mode: :floor) # => "480 Thousand"

485000.to_s(:human, precision: 2, round_mode: :half_even) # => "480 Thousand"

    Tom Lord

  • Array#to_sentence no longer returns a frozen string.

    Before:

    ['one', 'two'].to_sentence.frozen?
# => true

    After:

    ['one', 'two'].to_sentence.frozen?
# => false

    Nicolas Dular

  • When an instance of ActiveSupport::Duration is converted to an iso8601 duration string, if weeks are mixed with date parts, the week part will be converted to days. This keeps the parser and serializer on the same page.

    duration = ActiveSupport::Duration.build(1000000)
# 1 week, 4 days, 13 hours, 46 minutes, and 40.0 seconds

duration_iso = duration.iso8601
# P11DT13H46M40S

ActiveSupport::Duration.parse(duration_iso)
# 11 days, 13 hours, 46 minutes, and 40 seconds

duration = ActiveSupport::Duration.build(604800)
# 1 week

duration_iso = duration.iso8601
# P1W

ActiveSupport::Duration.parse(duration_iso)
# 1 week

    Abhishek Sarkar

  • Add block support to ActiveSupport::Testing::TimeHelpers#travel_back.

    Tim Masliuchenko

  • Update ActiveSupport::Messages::Metadata#fresh? to work for cookies with expiry set when ActiveSupport.parse_json_times = true.

    Christian Gregg

  • Support symbolic links for content_path in ActiveSupport::EncryptedFile.

    Takumi Shotoku

  • Improve Range#===, Range#include?, and Range#cover? to work with beginless (startless) and endless range targets.

    Allen Hsu, Andrew Hodgkinson

  • Don't use Process#clock_gettime(CLOCK_THREAD_CPUTIME_ID) on Solaris.

    Iain Beeston

  • Prevent ActiveSupport::Duration.build(value) from creating instances of ActiveSupport::Duration unless value is of type Numeric.

    Addresses the errant set of behaviours described in #37012 where ActiveSupport::Duration comparisons would fail confusingly or return unexpected results when comparing durations built from instances of String.

    Before:

    small_duration_from_string = ActiveSupport::Duration.build('9')
large_duration_from_string = ActiveSupport::Duration.build('100000000000000')
small_duration_from_int = ActiveSupport::Duration.build(9)

large_duration_from_string > small_duration_from_string
# => false

small_duration_from_string == small_duration_from_int
# => false

small_duration_from_int < large_duration_from_string
# => ArgumentError (comparison of ActiveSupport::Duration::Scalar with ActiveSupport::Duration failed)

large_duration_from_string > small_duration_from_int
# => ArgumentError (comparison of String with ActiveSupport::Duration failed)

    After:

    small_duration_from_string = ActiveSupport::Duration.build('9')
# => TypeError (can't build an ActiveSupport::Duration from a String)

    Alexei Emam

  • Add ActiveSupport::Cache::Store#delete_multi method to delete multiple keys from the cache store.

    Peter Zhu

  • Support multiple arguments in HashWithIndifferentAccess for merge and update methods, to follow Ruby 2.6 addition.

    Wojciech Wnętrzak

  • Allow initializing thread_mattr_* attributes via :default option.

    class Scraper
  thread_mattr_reader :client, default: Api::Client.new
end

    Guilherme Mansur

  • Add compact_blank for those times when you want to remove #blank? values from an Enumerable (also compact_blank! on Hash, Array, ActionController::Parameters).

    Dana Sherson

  • Make ActiveSupport::Logger Fiber-safe.

    Use Fiber.current.__id__ in ActiveSupport::Logger#local_level= in order to make log level local to Ruby Fibers in addition to Threads.

    Example:

    logger = ActiveSupport::Logger.new(STDOUT)
logger.level = 1
puts "Main is debug? #{logger.debug?}"

Fiber.new {
  logger.local_level = 0
  puts "Thread is debug? #{logger.debug?}"
}.resume

puts "Main is debug? #{logger.debug?}"

    Before:

    Main is debug? false
Thread is debug? true
Main is debug? true

    After:

    Main is debug? false
Thread is debug? true
Main is debug? false

    Fixes #36752.

    Alexander Varnin

  • Allow the on_rotation proc used when decrypting/verifying a message to be passed at the constructor level.

    Before:

    crypt = ActiveSupport::MessageEncryptor.new('long_secret')
crypt.decrypt_and_verify(encrypted_message, on_rotation: proc { ... })
crypt.decrypt_and_verify(another_encrypted_message, on_rotation: proc { ... })

    After:

    crypt = ActiveSupport::MessageEncryptor.new('long_secret', on_rotation: proc { ... })
crypt.decrypt_and_verify(encrypted_message)
crypt.decrypt_and_verify(another_encrypted_message)

    Edouard Chin

  • delegate_missing_to would raise a DelegationError if the object delegated to was nil. Now the allow_nil option has been added to enable the user to specify they want nil returned in this case.

    Matthew Tanous

  • truncate would return the original string if it was too short to be truncated and a frozen string if it were long enough to be truncated. Now truncate will consistently return an unfrozen string regardless. This behavior is consistent with gsub and strip.

    Before:

    'foobar'.truncate(5).frozen?
# => true
'foobar'.truncate(6).frozen?
# => false

    After:

    'foobar'.truncate(5).frozen?
# => false
'foobar'.truncate(6).frozen?
# => false

    Jordan Thomas

Please check 6-0-stable for previous changes.