- <p>The latest release is <b>3.20</b>. This is an incremental
- upgrade with a some significant new features and some bug fixes,
- however old 3.0x configuration files should be fully compatible.
+ <p>The latest release is <b>4.02</b>. This is a major upgrade
+ over the 3.x versions which will require configuration files to be
+ rewritten (there are tools to help with this). As an early
+ release of a major new version cautious users may wish to test
+ carefully before moving to production services. <b>4.02</b> and
+ <b>4.01</b> are a bug fix releases over <b>4.00</b></p>
+
+ <p>The latest 3.x release is <b>3.35</b>. This is the latest bug fix
+ release in the 3.3x series. They are an incremental upgrade over
+ the 3.2x series with a few new features. There is a security
+ issue (rare but exploitable) with versions previous to 3.34
+ so upgrading is <b>strongly</b> recommended.
+ Old 3.0x configuration files should be fully compatible.