HiveMQ Community Edition 2021.2 is released

HiveMQ Community Edition 2021.2 is released

author Florian Limpöck

Written by Florian Limpöck

Category: HiveMQ CE

Published: June 21, 2021

The HiveMQ team is pleased to announce the availability of HiveMQ CE 2021.2.

This release provides plenty of great improvements and fixes:

🌟 Features

  • Added a new HiveMQ environment variable pattern that broadens support for environment variables in the configuration of HiveMQ
  • Expanded access to the TLS information of MQTT clients in the HiveMQ extension system
  • Added ability to modify the assigned client identifier in CONNACK interceptors

✨ Improvements

  • Adjusted single subscription removal to significantly improve performance

🐞 Bug fixes

  • Fixed an issue in which memory-mapped files could cause an out-of-memory error

ℹ️ Misc

  • Updated dependencies


You can find more information about and download the release on the GitHub release page.

You can get the embedded API as a Maven artifact from Maven Central, JitPack.

Be sure to check out the project on GitHub.

We recommend this upgrade for all HiveMQ Community Edition users.

Have a great day,

Florian from the HiveMQ Team

author Florian Limpöck

About Florian Limpöck

Florian Limpöck has been a software engineer at HiveMQ since 2013. He is interested in distributed systems, the MQTT protocol, random numbers, and his dog, Karl, with whom he shares an apartment in Landshut, Germany, the birthplace of HiveMQ.

mail icon Contact Florian
newer posts HiveMQ 4.4.9 Maintenance Release
HiveMQ 4.6.2 Maintenance Release older posts