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HiveMQ Release

HiveMQ 4.28.26 Maintenance Release

by HiveMQ TeamMAY 26, 2026

The HiveMQ team is pleased to announce the availability of HiveMQ 4.28.26.

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

HiveMQ Enterprise MQTT Broker

  • Fixed an issue where changes to the maximum message expiry interval configuration in the broker config.xml file were not applied to existing messages.
  • Fixed a race condition in the subscriptions cache that could silently drop stored subscriptions during cluster topology changes.
  • Fixed an issue where client disconnects were not processed promptly when the client disconnected before successfully establishing an MQTT connection.

HiveMQ Enterprise Bridge Extension

  • Changed the application health status to report UP instead of DEGRADED when the extension is running with no enabled or configured bridges.

Have a great day, The HiveMQ Team