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HiveMQ Release

HiveMQ 4.28.25 Maintenance Release

by HiveMQ TeamAPR 28, 2026

The HiveMQ team is pleased to announce the availability of HiveMQ 4.28.25.

This maintenance release for the 4.28 series includes the following bug fixes and improvements:

HiveMQ Enterprise MQTT Broker

  • Fixed a rare race condition that could cause data loss when a node leaves the cluster while another node is joining.

HiveMQ Enterprise Security Extension

  • Improved input validation in the ESE Helper CLI so that invalid short options produce a clear error instead of silently generating invalid data.

HiveMQ General Updates

  • Renamed the MQTT CLI directory inside the platform ZIP artifact from tools/mqtt-cli-<version>/ to tools/mqtt-cli/.

Have a great day, The HiveMQ Team