<p>The first step in upgrading is to read the release announcement
and the file <code>CHANGES</code> in the source distribution to
find any changes that may affect your site. When changing between
- major releases (for example, from 2.0 to 2.2 or from 2.2 to 2.3),
+ major releases (for example, from 2.0 to 2.2 or from 2.2 to 2.4),
there will likely be major differences in the compile-time and
run-time configuration that will require manual adjustments. All
modules will also need to be upgraded to accommodate changes in the
<section id="socache">
<title>Performance and Cacheing</title>
-<p>Some users of DBD authentication in HTTPD 2.2 have reported that it
+<p>Some users of DBD authentication in HTTPD 2.2/2.4 have reported that it
imposes a problematic load on the database. This is most likely where
an HTML page contains hundreds of objects (e.g. images, scripts, etc)
each of which requires authentication. Users affected (or concerned)