2012-04-17，Apache httpd 2.4.2发布，变化比较大。The Apache Software Foundation and the Apache HTTP Server Project are pleased to announce the release of version 2.4.2 of the Apache HTTP Server ("Apache"). This version of Apache is our 2nd GA release of the new generation 2.4.x branch of Apache HTTPD and represents fifteen years of innovation by the project, and is recommended over all previous releases. This version of Apache is principally a security and bug fix release.
This version of httpd is a major release of the 2.4 stable branch, and represents the best available version of Apache HTTP Server. New features include Loadable MPMs, major improvements to OSCP support, mod_lua, Dynamic Reverse Proxy configuration, Improved Authentication/Authorization, FastCGI Proxy, New Expression Parser, and a Small Object Caching API.