Version 2.4.1 of the Apache HTTP server - the first release in the 2.4 series - is now available. There are plenty of new features, including runtime-loadable processing modules, better asynchronous I/O support, more logging configuration options, a new general-purpose expression parser, a dozen or so new modules, and more.
February 21, 2012
Apache HTTP Server 2.4.1 Released
Read more at LWN