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<div class="wiki-content maincontent"><p>Apache ActiveMQ 5.2 is primarily a maintenance release which <a shape="rect" class="external-link" href="https://issues.apache.org/activemq/secure/ReleaseNote.jspa?projectId=10520&amp;styleName=Html&amp;version=11841">resolves</a> </p><div class="aui-message warning jim-inline-block">
<span class="aui-icon icon-warning"></span>JIRA Issues Macro: Data cannot be retrieved due to an unexpected error
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<h2 id="NewFeaturesin5.2-NewFeaturesin5.2">New Features in 5.2</h2>
<p>The new features and enhancements in this release include:</p>
<ul><li><a shape="rect" href="advisory-message.html">Additional advisory messages</a> for messages delivered/consumed fast producers/slow consumers, Usage limits, Slaves become masters etc.</li><li>Enhanced ssl context configuration through spring/xbean</li><li>New individual acknowledge mode for message consumption</li><li>Ability to configure the automatic discarding of the items being sent to the dead letter queue</li><li>Ability to limit the maximum number of connections to a Broker</li><li>Ability to configure <a shape="rect" class="external-link" href="https://issues.apache.org/activemq/browse/AMQ-1244">separate lock</a> Datasource for JDBC Master slave.</li><li>activemq-camel and activemq-connection-pool now have their own modules, no longer in activemq-core</li><li>The default <a shape="rect" class="external-link" href="http://activemq.apache.org/maven/activemq-core/apidocs/org/apache/activemq/ActiveMQConnectionFactory.html">ActiveMQConnectionFactory</a> brokerUrl now uses the <a shape="rect" href="failover-transport-reference.html">failover transport</a>.</li><li>Uses Apache Camel <a shape="rect" class="external-link" href="http://activemq.apache.org/camel/camel-150-release.html">1.5</a>.</li></ul></div>