Release Date	Version	What's New
February 23, 2010	Zend Server 5.0.0	Code Tracing for troubleshooting PHP issues in production Job Queue for improved application performance Support for PHP 5.3 Zend Debugger enhancements (PHPUnit code coverage reporting, profiling performance and accuracy) PHP 5.2 version updated to 5.2.12 Zend Framework version updated to 1.10.1 New versions of OpenLDAP 2.2.40, MySQL 5.1.43 View the Release Notes
January 27, 2010	Zend Server 4.0.6 Hotfix 4	Optimizer+ 4.1.7
January 27, 2010	Zend Server 4.0.6 Hotfix 3	Zend Framework 1.10
January 19, 2010	Zend Server 4.0.6 Hotfix 1 (deprecated by Hotfix 3)	Zend Framework 1.9.7 (including fixes for several security vulnerabilities)
November 16, 2009	Zend Server 4.0.6	PHP 5.2 release updated to PHP 5.2.11 Zend Framework updated to version 1.9.5 Apache version 2.2.14 for Windows/Mac/tarball distributions Windows 7 support Various security and other bug fixes View the Release Notes

* Linux users: Zend Server and Zend Server CE packages for Linux are available from RPM and DEB repositories.  Read the installation guide for instructions on how to install Zend Server using the Linux Package Manager.