RabbitMQ 3.6.6 Milestone 1 发布了，这个版本是维护版的预览版。更新如下：

Server

Bug Fixes

• Changing queue mode to lazy could block queue process in certain circumstances.

  GitHub issue: rabbitmq-server#850

• Mirroring implementation didn't handle certain internal protocol messages arriving
  out of order.

  GitHub issue: rabbitmq-server#922

• Mirror set changes weren't handled gracefully in certain circumstances (e.g. in the middle of a mirror promotion).

  GitHub issue: rabbitmq-server#914

• rabbitmqctl and server startup could be affected by some DNS configurations.

  GitHub issue: rabbitmq-server#890

Enhancements

• rabbitmqctl list_queues now has more filtering options.

  GitHub issue: rabbitmq-server#851

完整的发行说明及下载：

https://github.com/rabbitmq/rabbitmq-server/releases

RabbitMQ 是由 LShift 提供的一个 Advanced Message Queuing Protocol (AMQP) 开源实现，由以高性能、健壮以及可伸缩性出名的 Erlang 写成，因此也是继承了这些优点。