Release: RabbitMQ 2.8.4 Release Highlights ================== server ------ bug fixes - log file rotation when no suffix was specified could lead to the log file growing rapidly - rabbitmq-plugins.bat did not work Upgrading ========= To upgrade a non-clustered RabbitMQ from release 2.1.1 or later, simply install the new version. All configuration and persistent message data is retained. To upgrade a clustered RabbitMQ from release 2.1.1 or later, install the new version on all the nodes and follow the instructions at http://www.rabbitmq.com/clustering.html#upgrading . To upgrade RabbitMQ from release 2.1.0, first upgrade to 2.1.1 (all data will be retained), and then to the current version as described above. When upgrading from RabbitMQ versions prior to 2.1.0, the existing data will be moved to a backup location and a fresh, empty database will be created. A warning is recorded in the logs. If your RabbitMQ installation contains important data then we recommend you contact support at rabbitmq.com for assistance with the upgrade.