NanoMQ v0.24.2 Release Note

Aug 26, 2025

NanoMQ 0.24.2 is out. This is an enhanced version of 0.24, which also comes with a major update of HTTP Auth/ACL feature.

  1. Support Hot update of password & username of MQTT authentication. Doc is on the way.
  2. Merging online/offline event message in one $SYS topic prefix, along with bridging event message plus retain flag added
  3. Refactoring NNG HTTP framework for deferring resource clean to avoid thread blocking wait for External HTTP server
  4. Topic mapping feature now also be compatible with old way of configuration.(remote_topic)
  5. Fix a double-free case in WebSocket
  6. Update Docs for aboving changes
  7. Fix a segmentation fault caused by using sequence option in nanomq_cli

What's Changed in NanoMQ

Full Changelog: https://github.com/nanomq/nanomq/compare/0.24.1...0.24.2

What's Changed in NanoNNG

Full Changelog: https://github.com/nanomq/NanoNNG/compare/0.24.1...0.24.2

EMQX Cloud

Fully managed MQTT messaging service.

14 Days Free Trial →

Learn MQTT Protocol

The rich and easy-to-understand MQTT guide to help you quickly get started with MQTT protocol.

Learn More →