Active mq keep alive mechanism

[Suchitha Koneru (sukoneru)]

Hello Active MQ users , 
                 What is the most stable version of active mq where the
"keep alive " problems are fixed ?
Looks like active mq  versions 4.1.1- 5.0 have "keep Alive" problems
http://www.nabble.com/ActiveMQ-5:-Keepalive-problems-td14994260s2354.htm
l.
 
Please let us know, 
thanks,
Suchitha.