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* Add `SecureRandom.base58` for generation of random base58 strings.
*Matthew Draper*, *Guillermo Iguaran*
* Add `#prev_day` and `#next_day` counterparts to `#yesterday` and
`#tomorrow` for `Date`, `Time`, and `DateTime`.
*George Claghorn*
* Add `same_time` option to `#next_week` and `#prev_week` for `Date`, `Time`,
and `DateTime`.
*George Claghorn*
* Add `#on_weekend?`, `#next_weekday`, `#prev_weekday` methods to `Date`,
`Time`, and `DateTime`.
`#on_weekend?` returns true if the receiving date/time falls on a Saturday
or Sunday.
`#next_weekday` returns a new date/time representing the next day that does
not fall on a Saturday or Sunday.
`#prev_weekday` returns a new date/time representing the previous day that
does not fall on a Saturday or Sunday.
*George Claghorn*
* Change the default test order from `:sorted` to `:random`.
*Rafael Mendonça França*
* Remove deprecated `ActiveSupport::JSON::Encoding::CircularReferenceError`.
*Rafael Mendonça França*
* Remove deprecated methods `ActiveSupport::JSON::Encoding.encode_big_decimal_as_string=`
and `ActiveSupport::JSON::Encoding.encode_big_decimal_as_string`.
*Rafael Mendonça França*
* Remove deprecated `ActiveSupport::SafeBuffer#prepend`.
*Rafael Mendonça França*
* Remove deprecated methods at `Kernel`.
`silence_stderr`, `silence_stream`, `capture` and `quietly`.
*Rafael Mendonça França*
* Remove deprecated `active_support/core_ext/big_decimal/yaml_conversions`
file.
*Rafael Mendonça França*
* Remove deprecated methods `ActiveSupport::Cache::Store.instrument` and
`ActiveSupport::Cache::Store.instrument=`.
*Rafael Mendonça França*
* Change the way in which callback chains can be halted.
The preferred method to halt a callback chain from now on is to explicitly
`throw(:abort)`.
In the past, returning `false` in an ActiveSupport callback had the side
effect of halting the callback chain. This is not recommended anymore and,
depending on the value of
`Callbacks::CallbackChain.halt_and_display_warning_on_return_false`, will
either not work at all or display a deprecation warning.
* Add Callbacks::CallbackChain.halt_and_display_warning_on_return_false
Setting `Callbacks::CallbackChain.halt_and_display_warning_on_return_false`
to true will let an app support the deprecated way of halting callback
chains by returning `false`.
Setting the value to false will tell the app to ignore any `false` value
returned by callbacks, and only halt the chain upon `throw(:abort)`.
The value can also be set with the Rails configuration option
`config.active_support.halt_callback_chains_on_return_false`.
When the configuration option is missing, its value is `true`, so older apps
ported to Rails 5.0 will not break (but display a deprecation warning).
For new Rails 5.0 apps, its value is set to `false` in an initializer, so
these apps will support the new behavior by default.
*claudiob*
* Changes arguments and default value of CallbackChain's :terminator option
Chains of callbacks defined without an explicit `:terminator` option will
now be halted as soon as a `before_` callback throws `:abort`.
Chains of callbacks defined with a `:terminator` option will maintain their
existing behavior of halting as soon as a `before_` callback matches the
terminator's expectation.
*claudiob*
* Deprecate `MissingSourceFile` in favor of `LoadError`.
`MissingSourceFile` was just an alias to `LoadError` and was not being
raised inside the framework.
*Rafael Mendonça França*
* Add support for error dispatcher classes in `ActiveSupport::Rescuable`.
Now it acts closer to Ruby's rescue.
Example:
class BaseController < ApplicationController
module ErrorDispatcher
def self.===(other)
Exception === other && other.respond_to?(:status)
end
end
rescue_from ErrorDispatcher do |error|
render status: error.status, json: { error: error.to_s }
end
end
*Genadi Samokovarov*
* Add `#verified` and `#valid_message?` methods to `ActiveSupport::MessageVerifier`
Previously, the only way to decode a message with `ActiveSupport::MessageVerifier`
was to use `#verify`, which would raise an exception on invalid messages. Now
`#verified` can also be used, which returns `nil` on messages that cannot be
decoded.
Previously, there was no way to check if a message's format was valid without
attempting to decode it. `#valid_message?` is a boolean convenience method that
checks whether the message is valid without actually decoding it.
*Logan Leger*
Please check [4-2-stable](https://github.com/rails/rails/blob/4-2-stable/activesupport/CHANGELOG.md) for previous changes.
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