HiveMQ 4.28.8 Maintenance Release

The HiveMQ team is pleased to announce the availability of HiveMQ 4.28.8.

This maintenance release for the 4.28 series includes the following improvements:

HiveMQ Enterprise MQTT Broker

• Extended metric data retention in the diagnostic archive to provide the last 72 hours of data to further facilitate root cause analysis and expedite incident resolution.
• Improved the memory footprint of connected clients to significantly reduce memory overhead per connection.
• Increased Control Center security to prevent possible exposure of client connection details.
• Fixed an issue in the Control Center dashboard to ensure the correct maximum JVM memory value is displayed.
• Fixed an issue that could cause a concurrent modification exception to be logged when metrics are reported.
• Improved metrics retrieval to prevent potential blocks in metrics reporting.
• Adjusted the handling of metric data during graceful shutdown to facilitate support.
• Fixed an issue that could cause gaps in reported gauge metrics when one of the metrics is blocked.

HiveMQ Enterprise Extension for MySQL

• Fixed an issue in which the MQTT to MySQL Retry metric was erroneously incremented to the MQTT to MySQL Total Failed metric.

HiveMQ Enterprise Extension for PostgreSQL

• Fixed an issue in which the MQTT to PostgreSQL Retry metric was erroneously incremented to the MQTT to PostgreSQL Total Failed metric.

HiveMQ Enterprise Security Extension

• Added listener pipelines configuration option to remove client connect password from memory after authentication.

MQTT CLI

• Refined subscription options to ensure a consistent user experience across all MQTT CLI commands and adherence to best practices.

Have a great day, The HiveMQ Team