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Release Notes - Apache RocketMQ - Version 4.4.0

· 2 min read

Below is a summary of the issues addressed in the 4.4.0 release of RocketMQ. For full documentation of the release, a guide to get started, please refer to Quick Start.

New Feature

  • [ISSUE-403] - Support the ACL standard for RocketMQ.
  • [ISSUE-502] - Support SQL92 filter in pull consumer.
  • [ISSUE-525] - Support message trace.


  • [ISSUE-511] - Polish comment for CountDownLatch.
  • [ISSUE-536] - Update fastjson version to 1.2.51.
  • [ISSUE-571] - Polish a default value for DB message.
  • [ISSUE-581] - Polish Copyright in NOTICE file.
  • [ISSUE-582] - Update asynchronous send thread pool from callback executor to an exclusive one.
  • [ISSUE-586] - Format output number in admin tools.
  • [ISSUE-640] - Polish config file for travis-ci.
  • [ISSUE-693] - Add instance name to enable to send trace message to different clusters.


  • [ISSUE-512] - Fixed the issue that RocketMQ can not print config items with -p option.
  • [ISSUE-544] - Fixed transactional message will be lost under extreme condition.
  • [ISSUE-556] - Fixed the issue that epoll native selector start error in broker.
  • [ISSUE-604] - Fixed the issue that semaphore was not released when asyn invoke timeout.