--- /dev/null
+# Changelog
+
+All notable changes to this project will be documented in this file, in reverse chronological order by release.
+
+## 3.2.0 - 2018-04-30
+
+### Added
+
+- [#87](https://github.com/zendframework/zend-stdlib/pull/87) adds support for PHP 7.2.
+
+### Changed
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- [#87](https://github.com/zendframework/zend-stdlib/pull/87) removes support for HHVM.
+
+### Fixed
+
+- Nothing.
+
+## 3.1.1 - 2018-04-12
+
+### Added
+
+- Nothing.
+
+### Changed
+
+- [#67](https://github.com/zendframework/zend-stdlib/pull/67) changes the typehint of the `$content` property
+ of the `Message` class to indicate it is a string. All known implementations
+ already assumed this.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- [#60](https://github.com/zendframework/zend-stdlib/pull/60) fixes an issue whereby calling `remove()` would
+ incorrectly re-calculate the maximum priority stored in the queue.
+
+- [#60](https://github.com/zendframework/zend-stdlib/pull/60) fixes an infinite loop condition that can occur when
+ inserting an item at 0 priority.
+
+## 3.1.0 - 2016-09-13
+
+### Added
+
+- [#63](https://github.com/zendframework/zend-stdlib/pull/63) adds a new
+ `Zend\Stdlib\ConsoleHelper` class, providing minimal support for writing
+ output to `STDOUT` and `STDERR`, with optional colorization, when the console
+ supports that feature.
+
+### Deprecated
+
+- [#38](https://github.com/zendframework/zend-stdlib/pull/38) deprecates
+ `Zend\Stdlib\JsonSerializable`, as all supported version of PHP now support
+ it.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- Nothing.
+
+## 3.0.1 - 2016-04-12
+
+### Added
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- [#59](https://github.com/zendframework/zend-stdlib/pull/59) fixes a notice
+ when defining the `Zend\Json\Json::GLOB_BRACE` constant on systems using
+ non-gcc glob implementations.
+
+## 3.0.0 - 2016-02-03
+
+### Added
+
+- [#51](https://github.com/zendframework/zend-stdlib/pull/51) adds PHP 7 as a
+ supported PHP version.
+- [#51](https://github.com/zendframework/zend-stdlib/pull/51) adds a migration
+ document from v2 to v3. Hint: if you use hydrators, you need to be using
+ zend-hydrator instead!
+- [#51](https://github.com/zendframework/zend-stdlib/pull/51) adds automated
+ documentation builds to gh-pages.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- [#33](https://github.com/zendframework/zend-stdlib/pull/33) - removed
+ deprecated classes
+ - *All Hydrator classes* see #22.
+ - `Zend\Stdlib\CallbackHandler` see #35
+- [#37](https://github.com/zendframework/zend-stdlib/pull/37) - removed
+ deprecated classes and polyfills:
+ - `Zend\Stdlib\DateTime`; this had been deprecated since 2.5, and only
+ existed as a polyfill for the `createFromISO8601()` support, now standard
+ in all PHP versions we support.
+ - `Zend\Stdlib\Exception\InvalidCallbackException`, which was unused since #33.
+ - `Zend\Stdlib\Guard\GuardUtils`, which duplicated `Zend\Stdlib\Guard\AllGuardsTrait`
+ to allow usage with pre-PHP 5.4 versions.
+ - `src/compatibility/autoload.php`, which has been dprecated since 2.5.
+- [#37](https://github.com/zendframework/zend-stdlib/pull/37) - removed
+ unneeded dependencies:
+ - zend-config (used only in testing ArrayUtils, and the test was redundant)
+ - zend-serializer (no longer used)
+- [#51](https://github.com/zendframework/zend-stdlib/pull/51) removes the
+ documentation for hydrators, as those are part of the zend-hydrator
+ component.
+
+### Fixed
+
+- Nothing.
+
+## 2.7.4 - 2015-10-15
+
+### Added
+
+- Nothing.
+
+### Deprecated
+
+- [#35](https://github.com/zendframework/zend-stdlib/pull/35) deprecates
+ `Zend\Stdlib\CallbackHandler`, as the one component that used it,
+ zend-eventmanager, will no longer depend on it starting in v3.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- Nothing.
+
+## 2.7.3 - 2015-09-24
+
+### Added
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- [#27](https://github.com/zendframework/zend-stdlib/pull/27) fixes a race
+ condition in the `FastPriorityQueue::remove()` logic that occurs when removing
+ items iteratively from the same priority of a queue.
+
+## 2.7.2 - 2015-09-23
+
+### Added
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- [#26](https://github.com/zendframework/zend-stdlib/pull/26) fixes a subtle
+ inheritance issue with deprecation in the hydrators, and updates the
+ `HydratorInterface` to also extend the zend-hydrator `HydratorInterface` to
+ ensure LSP is preserved.
+
+## 2.7.1 - 2015-09-22
+
+### Added
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- [#24](https://github.com/zendframework/zend-stdlib/pull/24) fixes an import in
+ `FastPriorityQueue` to alias `SplPriorityQueue` in order to disambiguate with
+ the local override present in the component.
+
+## 2.7.0 - 2015-09-22
+
+### Added
+
+- [#19](https://github.com/zendframework/zend-stdlib/pull/19) adds a new
+ `FastPriorityQueue` implementation. It follows the same signature as
+ `SplPriorityQueue`, but uses a performance-optimized algorithm:
+
+ - inserts are 2x faster than `SplPriorityQueue` and 3x faster than the
+ `Zend\Stdlib\PriorityQueue` implementation.
+ - extracts are 4x faster than `SplPriorityQueue` and 4-5x faster than the
+ `Zend\Stdlib\PriorityQueue` implementation.
+
+ The intention is to use this as a drop-in replacement in the
+ `zend-eventmanager` component to provide performance benefits.
+
+### Deprecated
+
+- [#20](https://github.com/zendframework/zend-stdlib/pull/20) deprecates *all
+ hydrator* classes, in favor of the new [zend-hydrator](https://github.com/zendframework/zend-hydrator)
+ component. All classes were updated to extend their zend-hydrator equivalents,
+ and marked as `@deprecated`, indicating the equivalent class from the other
+ repository.
+
+ Users *should* immediately start changing their code to use the zend-hydrator
+ equivalents; in most cases, this can be as easy as removing the `Stdlib`
+ namespace from import statements or hydrator configuration. Hydrators will be
+ removed entirely from zend-stdlib in v3.0, and all future updates to hydrators
+ will occur in the zend-hydrator library.
+
+ Changes with backwards compatibility implications:
+
+ - Users implementing `Zend\Stdlib\Hydrator\HydratorAwareInterface` will need to
+ update their `setHydrator()` implementation to typehint on
+ `Zend\Hydrator\HydratorInterface`. This can be done by changing the import
+ statement for that interface as follows:
+
+ ```php
+ // Replace this:
+ use Zend\Stdlib\Hydrator\HydratorInterface;
+ // with this:
+ use Zend\Hydrator\HydratorInterface;
+ ```
+
+ If you are not using imports, change the typehint within the signature itself:
+
+ ```php
+ // Replace this:
+ public function setHydrator(\Zend\Stdlib\Hydrator\HydratorInterface $hydrator)
+ // with this:
+ public function setHydrator(\Zend\Hydrator\HydratorInterface $hydrator)
+ ```
+
+ If you are using `Zend\Stdlib\Hydrator\HydratorAwareTrait`, no changes are
+ necessary, unless you override that method.
+
+ - If you were catching hydrator-generated exceptions, these were previously in
+ the `Zend\Stdlib\Exception` namespace. You will need to update your code to
+ catch exceptions in the `Zend\Hydrator\Exception` namespace.
+
+ - Users who *do* migrate to zend-hydrator may end up in a situation where
+ their code will not work with existing libraries that are still type-hinting
+ on the zend-stdlib interfaces. We will be attempting to address that ASAP,
+ but the deprecation within zend-stdlib is necessary as a first step.
+
+ In the meantime, you can write hydrators targeting zend-stdlib still in
+ order to guarantee compatibility.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- Nothing.
+
+## 2.6.0 - 2015-07-21
+
+### Added
+
+- [#13](https://github.com/zendframework/zend-stdlib/pull/13) adds
+ `Zend\Stdlib\Hydrator\Iterator`, which provides mechanisms for hydrating
+ objects when iterating a traversable. This allows creating generic collection
+ resultsets; the original idea was pulled from
+ [PhlyMongo](https://github.com/phly/PhlyMongo), where it was used to hydrate
+ collections retrieved from MongoDB.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- Nothing.
+
+## 2.5.2 - 2015-07-21
+
+### Added
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- [#9](https://github.com/zendframework/zend-stdlib/pull/9) fixes an issue with
+ count incrementation during insert in PriorityList, ensuring that incrementation only
+ occurs when the item inserted was not previously present in the list.
+
+## 2.4.4 - 2015-07-21
+
+### Added
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- [#9](https://github.com/zendframework/zend-stdlib/pull/9) fixes an issue with
+ count incrementation during insert in PriorityList, ensuring that incrementation only
+ occurs when the item inserted was not previously present in the list.
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