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* Remove 'cow' => 'kine' irregular inflection from default inflections.
*Andrew White*
* Add `DateTime#to_s(:iso8601)` and `Date#to_s(:iso8601)` for consistency.
*Andrew White*
* Add `Time#to_s(:iso8601)` for easy conversion of times to the iso8601 format for easy Javascript date parsing.
*DHH*
* Improve `ActiveSupport::Cache::MemoryStore` cache size calculation.
The memory used by a key/entry pair is calculated via `#cached_size`:
def cached_size(key, entry)
key.to_s.bytesize + entry.size + PER_ENTRY_OVERHEAD
end
The value of `PER_ENTRY_OVERHEAD` is 240 bytes based on an [empirical
estimation](https://gist.github.com/ssimeonov/6047200) for 64-bit MRI on
1.9.3 and 2.0. GH#11512
*Simeon Simeonov*
* Only raise `Module::DelegationError` if it's the source of the exception.
Fixes #10559
*Andrew White*
* Make `Time.at_with_coercion` retain the second fraction and return local time.
Fixes #11350
*Neer Friedman*, *Andrew White*
* Make `HashWithIndifferentAccess#select` always return the hash, even when
`Hash#select!` returns `nil`, to allow further chaining.
*Marc Schütz*
* Remove deprecated `String#encoding_aware?` core extensions (`core_ext/string/encoding`).
*Arun Agrawal*
* Remove deprecated `Module#local_constant_names` in favor of `Module#local_constants`.
*Arun Agrawal*
* Remove deprecated `DateTime.local_offset` in favor of `DateTime.civil_from_fromat`.
*Arun Agrawal*
* Remove deprecated `Logger` core extensions (`core_ext/logger.rb`).
*Carlos Antonio da Silva*
* Remove deprecated `Time#time_with_datetime_fallback`, `Time#utc_time`
and `Time#local_time` in favor of `Time#utc` and `Time#local`.
*Vipul A M*
* Remove deprecated `Hash#diff` with no replacement.
If you're using it to compare hashes for the purpose of testing, please use
MiniTest's `assert_equal` instead.
*Carlos Antonio da Silva*
* Remove deprecated `Date#to_time_in_current_zone` in favor of `Date#in_time_zone`.
*Vipul A M*
* Remove deprecated `Proc#bind` with no replacement.
*Carlos Antonio da Silva*
* Remove deprecated `Array#uniq_by` and `Array#uniq_by!`, use native
`Array#uniq` and `Array#uniq!` instead.
*Carlos Antonio da Silva*
* Remove deprecated `ActiveSupport::BasicObject`, use `ActiveSupport::ProxyObject` instead.
*Carlos Antonio da Silva*
* Remove deprecated `BufferedLogger`.
*Yves Senn*
* Remove deprecated `assert_present` and `assert_blank` methods.
*Yves Senn*
* Fix return value from `BacktraceCleaner#noise` when the cleaner is configured
with multiple silencers.
Fixes #11030
*Mark J. Titorenko*
* `HashWithIndifferentAccess#select` now returns a `HashWithIndifferentAccess`
instance instead of a `Hash` instance.
Fixes #10723
*Albert Llop*
* Add `DateTime#usec` and `DateTime#nsec` so that `ActiveSupport::TimeWithZone` keeps
sub-second resolution when wrapping a `DateTime` value.
Fixes #10855
*Andrew White*
* Fix `ActiveSupport::Dependencies::Loadable#load_dependency` calling
`#blame_file!` on Exceptions that do not have the Blamable mixin
*Andrew Kreiling*
* Override `Time.at` to support the passing of Time-like values when called with a single argument.
*Andrew White*
* Prevent side effects to hashes inside arrays when
`Hash#with_indifferent_access` is called.
Fixes #10526
*Yves Senn*
* Raise an error when multiple `included` blocks are defined for a Concern.
The old behavior would silently discard previously defined blocks, running
only the last one.
*Mike Dillon*
* Replace `multi_json` with `json`.
Since Rails requires Ruby 1.9 and since Ruby 1.9 includes `json` in the standard library,
`multi_json` is no longer necessary.
*Erik Michaels-Ober*
* Added escaping of U+2028 and U+2029 inside the json encoder.
These characters are legal in JSON but break the Javascript interpreter.
After escaping them, the JSON is still legal and can be parsed by Javascript.
*Mario Caropreso + Viktor Kelemen + zackham*
* Fix skipping object callbacks using metadata fetched via callback chain
inspection methods (`_*_callbacks`)
*Sean Walbran*
* Add a `fetch_multi` method to the cache stores. The method provides
an easy to use API for fetching multiple values from the cache.
Example:
# Calculating scores is expensive, so we only do it for posts
# that have been updated. Cache keys are automatically extracted
# from objects that define a #cache_key method.
scores = Rails.cache.fetch_multi(*posts) do |post|
calculate_score(post)
end
*Daniel Schierbeck*
Please check [4-0-stable](https://github.com/rails/rails/blob/4-0-stable/activesupport/CHANGELOG.md) for previous changes.
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