HiveMQ 4.9.15 Maintenance Release
The HiveMQ team is pleased to announce the availability of HiveMQ 4.9.15.
This maintenance release for the 4.9 series includes the following improvements:
HiveMQ Enterprise MQTT Broker
- Improved non-blocking cluster transport for better cluster stability.
- Adjusted cluster transport to improve scalability on machines with more than 16 CPU cores.
- Increased stability of the cluster transport by improving the threading model.
- Fixed an issue that could allow empty topics in MQTT 3 PUBLISH messages and MQTT 5 PUBLISH response messages.
- Fixed an issue that could cause the client event history entry for a successful connection to include a session-present flag when no previous session exists.
- Adjusted how
JavaFileStorenot found notifications are handled to avoid unnecessary feedback on theWARNlog level. - Improved error handling in the internal executor service to facilitate debugging.
Have a great day, The HiveMQ Team
HiveMQ Team
Team HiveMQ brings together deep expertise in MQTT, Industrial AI, IoT data streaming, UNS, and Industrial IoT protocols. Follow us for practical deployment guidance, best practices for building a secure, reliable data backbone, and insights into how we are shaping the future of connected industries.
Our mission is to transform industrial data into real-time intelligence, actionable insights, and measurable business outcomes.
Have questions or need support? Contact us. Our experts are ready to help.
