How stable is 5.5.15?

[Ronald Klop]

Hello,  Sorry for pushing, but how stable can I expect Tomcat 5.5.15 to be in a 
clustered server? (4 nodes) We are running 5.0.28 now and it has some issues 
which seem to be solved in 5.5.x. Are there people running 5.5.15 in a 
production environment already?  Ronald.