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* Fix bug where `ActiveSupport::Cache` will massively inflate the storage
size when compression is enabled (which is true by default). This patch
does not attempt to repair existing data: please manually flush the cache
to clear out the problematic entries.
*Godfrey Chan*
* Fix bug where `URI.unscape` would fail with mixed Unicode/escaped character input:
URI.unescape("\xe3\x83\x90") # => "バ"
URI.unescape("%E3%83%90") # => "バ"
URI.unescape("\xe3\x83\x90%E3%83%90") # => Encoding::CompatibilityError
*Ashe Connor*, *Aaron Patterson*
* Add `before?` and `after?` methods to `Date`, `DateTime`,
`Time`, and `TimeWithZone`.
*Nick Holden*
* Add `:private` option to ActiveSupport's `Module#delegate`
in order to delegate methods as private:
class User < ActiveRecord::Base
has_one :profile
delegate :date_of_birth, to: :profile, private: true
def age
Date.today.year - date_of_birth.year
end
end
# User.new.age # => 29
# User.new.date_of_birth
# => NoMethodError: private method `date_of_birth' called for #<User:0x00000008221340>
*Tomas Valent*
* `String#truncate_bytes` to truncate a string to a maximum bytesize without
breaking multibyte characters or grapheme clusters like 👩👩👦👦.
*Jeremy Daer*
* `String#strip_heredoc` preserves frozenness.
"foo".freeze.strip_heredoc.frozen? # => true
Fixes that frozen string literals would inadvertently become unfrozen:
# frozen_string_literal: true
foo = <<-MSG.strip_heredoc
la la la
MSG
foo.frozen? # => false !??
*Jeremy Daer*
* Rails 6 requires Ruby 2.4.1 or newer.
*Jeremy Daer*
* Adds parallel testing to Rails.
Parallelize your test suite with forked processes or threads.
*Eileen M. Uchitelle*, *Aaron Patterson*
Please check [5-2-stable](https://github.com/rails/rails/blob/5-2-stable/activesupport/CHANGELOG.md) for previous changes.
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