The Apache Software Foundation and the Apache HTTP Server Project
are pleased to announce the release of version 2.4.20 of the Apache
HTTP Server ("Apache"). This version of Apache is our latest 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 release of Apache is
principally a feature and bug fix release.
We consider this release to be the best version of Apache available, and
encourage users of all prior versions to upgrade.
Note: Apache httpd 2.4.19 was not released.
Apache HTTP Server 2.4.20 is available for download from:
Please see the CHANGES_2.4 file, linked from the download page, for a
full list of changes. A condensed list, CHANGES_2.4.20 includes only
those changes introduced since the prior 2.4 release. A summary of all
of the security vulnerabilities addressed in this and earlier releases
When upgrading or installing this version of Apache, please bear in mind
that if you intend to use Apache with one of the threaded MPMs (other
than the Prefork MPM), you must ensure that any modules you will be
using (and the libraries they depend on) are thread-safe.