HiveMQ Community Edition 2021.2 is released

HiveMQ Community Edition 2021.2 is released

author portrait

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 is a core developer at HiveMQ who specializes in frontend development and distributed systems.

newer posts Mitigate IoT Attacks with Key MQTT Security Principles
How 5G and MQTT Accelerate Vehicle-2-Everything (V2X) Adoption older posts