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+## 1.5.5 (May 1, 2020)
+
+* Ensure that feeds retrieved with `force_feed` do not share the same cache as those retrieved without. [#643](https://github.com/simplepie/simplepie/pull/643)
+* Removed references to removed PHP directives and some PHP < 5.6 checks. [#645](https://github.com/simplepie/simplepie/pull/645)
+* Corrected incorrect alumni name. [#638](https://github.com/simplepie/simplepie/pull/638)
+
+## 1.5.4 (December 17, 2019)
+
+* PHP 5.6 or newer is now required. [#625](https://github.com/simplepie/simplepie/pull/625)
+* Fixed invalid docblock parameter types [#633](https://github.com/simplepie/simplepie/pull/633)
+* Added support for German short forms for weekdays and months. [#632](https://github.com/simplepie/simplepie/pull/632)
+* PHP 7.4 support: Fixed instances of accessing array offset on null type values. [#628](https://github.com/simplepie/simplepie/pull/628)
+* Return an effective feed URL when asking for non-permanent `subscribe_url`. [#627](https://github.com/simplepie/simplepie/pull/627)
+
+## 1.5.3 (September 22, 2019)
+
+* Replaced `pow()` call with `**` operator (micro performance optimization). [#622](https://github.com/simplepie/simplepie/pull/622)
+* Match links containing `feed` in the Locator class. [#621](https://github.com/simplepie/simplepie/pull/621)
+* PHP 7.4 support: Ensure the proper argument order for `implode()` calls. [#617](https://github.com/simplepie/simplepie/pull/617)
+* Added support for Russian dates. [#607](https://github.com/simplepie/simplepie/pull/607)
+* Preemptively changed `is_writeable()` calls to `is_writable()` in case the former is deprecated in PHP. [#604](https://github.com/simplepie/simplepie/pull/604)
+
+## 1.5.2 (August 2, 2018)
+
+* Added support for PHPUnit 6. [#565](https://github.com/simplepie/simplepie/pull/565)
+* Added PHP module requirements to Composer. [#590](https://github.com/simplepie/simplepie/pull/590)
+* Added support for Redis password and database. [#589](https://github.com/simplepie/simplepie/pull/589)
+* Changed the spelling of `writeable` to `writable` within inline documentation. [#586](https://github.com/simplepie/simplepie/pull/586)
+* Fixed various issues in the test suite and Travis. [#576](https://github.com/simplepie/simplepie/pull/576)
+* Removed ambiguous tests failing on `usort()` in PHP 7. [#578](https://github.com/simplepie/simplepie/pull/578)
+* Simplified logic for some function returns. [#573](https://github.com/simplepie/simplepie/pull/573)
+* Fixed inline documentation for return value types for accuracy. [#570](https://github.com/simplepie/simplepie/pull/570)
+* Fixed Travis to run `composer install`. [#567](https://github.com/simplepie/simplepie/pull/567)
+* Removed unnecessary `else`s when a value has already been returned. [#566](https://github.com/simplepie/simplepie/pull/566)
+* Fixed a bug where URL fragments are included when `SimplePie_File` normalizes URLs when really old versions of cURL are used. [#564](https://github.com/simplepie/simplepie/pull/564)
+* Updated `SimplePie_Locator` to respect cURL options specified. [#561](https://github.com/simplepie/simplepie/pull/561)
+
+## 1.5.1 (November 17, 2017)
+
+* Fixed photos so they are not added if the URL is empty. [#530](https://github.com/simplepie/simplepie/pull/530)
+* Fixed issues with retrieving feeds from behind a proxy. [#512](https://github.com/simplepie/simplepie/pull/512)/[#548](https://github.com/simplepie/simplepie/pull/548)
+* Updated favicon URL in `get_favicon()`. [#525](https://github.com/simplepie/simplepie/pull/525)
+* Fixed inline documentation typo. [#540](https://github.com/simplepie/simplepie/pull/540)
+* Removed extra closing `<a>` tag. [#537](https://github.com/simplepie/simplepie/pull/537)
+* Removed and updated feed URLs in the demo. [#535](https://github.com/simplepie/simplepie/pull/535)
+* Improvements to microformat feed parsing. [#533](https://github.com/simplepie/simplepie/pull/533)
+* Switched from regex to xpath for microformats discovery. [#536](https://github.com/simplepie/simplepie/pull/536)
+* Update the registry if the Sanitize class has been changed. [#532](https://github.com/simplepie/simplepie/pull/532)
+* Changed the sanitization type for author and category back to text from HTML. [#531](https://github.com/simplepie/simplepie/pull/531)
+
+## 1.5 (April 17, 2017)
+
+* Introduced `SimplePie_Category->get_type()` for retrieving category type. [#492](https://github.com/simplepie/simplepie/pull/492)
+* Added `$enable_exceptions` to the class property declarations for `SimplePie` class. [#504](https://github.com/simplepie/simplepie/pull/504)
+* Titles are now parsed for ATOM10 enclosure links. [#507](https://github.com/simplepie/simplepie/pull/507)
+* `$item->get_id()` can now be forced to return the supplied ID instead of generating a new one. [#509](https://github.com/simplepie/simplepie/pull/509)
+
+## 1.4.3 (November 26, 2016)
+
+* Removed support for PHP 5.2. [#469](https://github.com/simplepie/simplepie/pull/469)
+* Added support for the PHP `UConverter` class. [#485](https://github.com/simplepie/simplepie/pull/485)
+* PHP 7.1 Support: Fixed PHP error when trying to use a non-numeric value in `round()`. [#458](https://github.com/simplepie/simplepie/pull/458)
+* PHP 7 Support: Fixed deprecated message for old style constructors. [#489](https://github.com/simplepie/simplepie/pull/489)
+* Fixed the error message shown when a feed has an empty body. [#487](https://github.com/simplepie/simplepie/pull/487)
+* Added an error message when the XML or PCRE PHP extensions are missing. [#468](https://github.com/simplepie/simplepie/pull/468)
+* Check the result of sanitize before returning in `get_content()` and `get_description()`. [#494](https://github.com/simplepie/simplepie/pull/494)
+* Use `saveHTML()` to fix issues with non UTF-8 characters. [#470](https://github.com/simplepie/simplepie/pull/470)
+* Stop passing compressed data through `trim()`. [#455](https://github.com/simplepie/simplepie/pull/455)
+* Refactored the UTF-8 conversion error message. [#467](https://github.com/simplepie/simplepie/pull/467)
+* Updated the readme file. [#486](https://github.com/simplepie/simplepie/pull/486)
+* Added command line support for compayibility test. [#481](https://github.com/simplepie/simplepie/pull/481)
+* Added PHP 7.1 to the testing matrix. [#462](https://github.com/simplepie/simplepie/pull/462)
+* Use the latest HHVM version in testing (3.15.2). [#480](https://github.com/simplepie/simplepie/pull/480)
+* Added PHPUnit as a `dev-dependency` in Composer. [#463](https://github.com/simplepie/simplepie/pull/463)
+* Added `mf2/mf2` as a suggestion in Composer for use with microformats. [#491](https://github.com/simplepie/simplepie/pull/491)
+* Fixed misspelled occurrences of "separated". [#459](https://github.com/simplepie/simplepie/pull/459) 
+* Improvements to the compatibility test and error messages. [#488](https://github.com/simplepie/simplepie/pull/488)
+
+## 1.4.2 (June 14, 2016)
+
+* Fixed a bug with IRI parsing.
+* More cleanly separates discovery of microformats and parsing when php-mf2 is not present. 
+
+## 1.4.1 (June 2, 2016)
+
+* Fixed inconsistent hash results in `SimplePie_Item->get_id()`.
+* Leading and trailing whitespace is now trimmed from XML feed content to prevent errors. [#445](https://github.com/simplepie/simplepie/pull/445)
+* Improved support for microformat feeds.
+
+## 1.4.0 (April 25, 2016)
+
+* Dropped support for PHP 5.2. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Serialized data is now used for hashing in `SimplePie_Item->get_id()`. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Added support for PHP 5.5 and 5.6. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Added the `add_attributes()` method to `SimplePie`. [#394](https://github.com/simplepie/simplepie/pull/394)
+* Added the `force_cache_fallback()` method to `SimplePie` to allow an expired cache to be used when a feed is unavailable. [#389](https://github.com/simplepie/simplepie/pull/389)
+* Added Memcached. [#386](https://github.com/simplepie/simplepie/pull/386)
+* Added `set_curl_options()` method to `SimplePie` to allow custom options. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Added Redis Caching. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Added the CEST timezone. [#380](https://github.com/simplepie/simplepie/pull/380)
+* Added support for HTTP 301 Moved Permanently. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Added support for `application/x-rss+xml` in `SimplePie_Locator`. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Added photo de-duping in microformats. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Added decoding for special characters in MAYBE_HTML. [#400](https://github.com/simplepie/simplepie/pull/400)
+* Added `SimplePie_Exception` for internally reporting errors. Also, use this to show an error when trying to load the class instead of causing a failure. [#241](https://github.com/simplepie/simplepie/pull/241) 
+* Added sanitization of the `</html>` and `</body>` tags. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Added support for media thumbnails through `SimplePie_Item->get_thumbnail()`. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Added the `feed_url` to a returned error message. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Added cache purging after a specified period of time when using MySQL cache. [#329](https://github.com/simplepie/simplepie/pull/329)
+* Added backwards compatibility for removed `subscribe_*()` and `enable_xml_dump()` methods. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Re-added the deprecated `get/set_favicon()` methods for backwards compatibility.
+* Charsets are now compared without case sensitivity to avoid duplicates. [#352](https://github.com/simplepie/simplepie/pull/352)
+* Fixed encoding of ampersands in `SimplePie->subscribe_url()`. [#348](https://github.com/simplepie/simplepie/pull/348)
+* The feed URL is now updated based on the URL returned by cURL. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Explicitly use UTF-8 in `SimplePie_Misc->get_element()` and `Simple_ie_Misc->element_implode()`. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Improved support, feed and authorship discovery, and parsing for microformats. [#348](https://github.com/simplepie/simplepie/pull/348)
+* `rss:pubDate` is now used over `atom:updated` when determining the posting date. [#288](https://github.com/simplepie/simplepie/pull/288)
+* Simplified the use of `mtime()` and `touch()`. [#403](https://github.com/simplepie/simplepie/pull/403)
+* All items are now forced to have a timestamp. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Fixed typo in the date parser that incorrectly identified September as month 8. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Fixed backwards compatibility with cache subclasses. [#243](https://github.com/simplepie/simplepie/pull/243)
+* Fixed a bug where the updated date was not fetched correctly. [#239](https://github.com/simplepie/simplepie/pull/239)
+* Fixed the datatype for `items.data` to be more appropriate in when using MySQL cache. [#302](https://github.com/simplepie/simplepie/pull/302)
+* Fixed cURL not failing when the server returns an error. [#425](https://github.com/simplepie/simplepie/pull/425)
+* Fixed an error caused when trying to instantiate a `SimplePie_File` object with a bad URI. [#272](https://github.com/simplepie/simplepie/pull/272)
+* Fixed a PHP notice that occurs when a date starts with `(`. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Fixed uninitialized string offeset PHP notices. [#353](https://github.com/simplepie/simplepie/pull/353)
+* Fixed call to non-existent property in Memcache. [#311](https://github.com/simplepie/simplepie/pull/311) 
+* Fixed a bug where MySQL statements were not being passed thorugh `prepare()`. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Fixed an instance where an error message in `SimplePie` was not being triggered correctly. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Fixed a bug with Russian feeds. [#348](https://github.com/simplepie/simplepie/pull/348)
+* Fixed an issue with memory leaks. [#287](https://github.com/simplepie/simplepie/pull/287)
+* Fixed use of `DOMElement` as array. [#315](https://github.com/simplepie/simplepie/pull/315)
+* Improved the error message when a feed cannot be found. [#348](https://github.com/simplepie/simplepie/pull/348)