New features include:
* Zend_Barcode, contributed by Mickael Perraud
* Zend_Cache_Backend_Static, contributed by Pdraic Brady
* Zend_Cache_Manager, contributed by Pdraic Brady
* Zend_Exception – previous exception support, contributed by Marc Bennewitz
* Zend_Feed_Pubsubhubbub, contributed by Pdraic Brady
* Zend_Feed_Writer, contributed by Pdraic Brady
* Zend_Filter_Compress/Decompress, contributed by Thomas Weidner
* Zend_Filter_Null, contributed by Thomas Weidner
* Zend_Log::factory(), contributed by Mark van der Velden and Martin Roest
* Zend_Log_Writer_ZendMonitor, contributed by Matthew Weier O’Phinney
* Zend_Markup, contributed by Pieter Kokx
* Zend_Service_LiveDocx, contributed by Jonathan Marron
* Zend_Service_WindowsAzure, contributed by Maarten Balliauw
* Zend_Validate_Barcode, contributed by Thomas Weidner
* Zend_Validate_Callback, contributed by Thomas Weidner
* Zend_Validate_CreditCard, contributed by Thomas Weidner
* Zend_Validate_PostCode, contributed by Thomas Weidner
In addition, Zend_Tool has had undergone a ton of refactoring to eliminate issues and bottlenecks, as well as to add a number of new features.