Github user oscerd commented on the pull request:
https://github.com/apache/activemq-artemis/pull/221#issuecomment-151905905
Hi @jbertram
1) No, there isn't a particular reason, just keeping up with latest release.
2) Here is the release notes:
http://netty.io/news/2015/09/30/4-0-32-Final.html
Andrea
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