Tomcat 3.2.2 vs 3.2.1

[Sam Newman]

I just wondered on the benifits of using tomcat 3.2.2 over 3.2.1? I know that 3.2.2 is in beta right now, but what advantages does it give over 3.2.1? Does it simply contain bug fixes (I'm assuming its still the 2.2 spec)?     sam