Apache现在的稳定系列是2.2(2.2.22) 遗留稳定版2.0/(2.0.64).2.3系列已经发布到了2.3.16-Beta.今天官网的开发目录下放出现了2.4.1的下载。（2012-01-31放出的2.4.0).尽管Nginx势头很猛，但相信世界上使用Apache的仍然占大多数。 2.4.1分成两个包，把apr单独做成一个dep包。
下载：http://httpd.apache.org/dev/dist/httpd-2.4.1.tar.bz2
http://httpd.apache.org/dev/dist/httpd-2.4.1-deps.tar.bz2
改进：
Changes with Apache 2.4.1
*) SECURITY: CVE-2012-0053 (cve.mitre.org)
Fix an issue in error responses that could expose "httpOnly" cookies
when no custom ErrorDocument is specified for status code 400.
[Eric Covener]
*) mod_proxy_balancer: Fix crash on Windows. PR 52402 [Mladen Turk]
*) core: Check during configtest that the directories for error logs exist.
PR 29941 [Stefan Fritsch]
*) Core configuration: add AllowOverride option to treat syntax
errors in .htaccess as non-fatal. PR 52439 [Nick Kew, Jim Jagielski]
*) core: Fix memory consumption in core output filter with streaming
bucket types like CGI or PIPE. [Joe Orton, Stefan Fritsch]
*) configure: Disable modules at configure time if a prerequisite module
is not enabled. PR 52487. [Stefan Fritsch]
*) Rewrite and proxy now decline what they don't support rather
than fail the request. [Joe Orton]
*) Fix building against external apr plus ap-util if apr is not installed
in a system default path. [Rainer Jung]
*) Doxygen fixes and improvements. [Joe Orton, Igor Gali膰]
*) core: Fix building against PCRE 8.30 by switching from the obsolete
pcre_info() to pcre_fullinfo(). PR 52623 [Ruediger Pluem, Rainer Jung]
原文链接：http://www.oschina.net/news/25657/apache-http-server-2-4-1
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