<div class="wiki-content maincontent"><h2>New Features in 5.5.0</h2>
<ul><li>Dependency on Java 1.6 (java 1.5 is no longer supported)</li><li>MDC logging (<a shape="rect" href="http://slf4j.org/">SLF4J</a>)</li><li>Upgrade to camel 2.7.0</li><li>DLQ processing per durable subscription</li><li>New network connector MBeans</li><li><a shape="rect" href="http://activemq.apache.org/configurable-ioexception-handling.html">IOExceptionHandler</a> for JDBC store</li><li>Added support for <a shape="rect" href="http://commons.apache.org/daemon/">Apache Commons Daemon</a></li></ul>


<h2>Improvements in 5.5.0</h2>
<ul><li>Improved support for recovery of durable subscribers with priority support</li><li>Improved performance for offline durable subscriptions with large message backlogs (JDBC store)</li><li>better support for Guest login via JAAS</li></ul>


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