HiveMQ Community Edition 2021.3 is released

The HiveMQ team is pleased to announce the availability of HiveMQ CE 2021.3.

This release provides plenty of great improvements and fixes:

✨ Improvements

• Reduced the memory footprint of client connections
• Avoid false-positive warnings when starting in embedded mode

🐞 Bug fixes

• Fixed an issue that could cause a memory leak when clients are instantly disconnected after connecting
• Corrected an issue that could cause an error during MQTT 3.1 client subscriptions
• Adjusted handling of QoS level changes at the publish messages interceptor for increased stability
• Significantly reduced Heap usage for use cases with high numbers of queued messages
• Fixed a bug that caused wrong payloads after stateful start
• Fixed an issue which could lead to multiple clients with the same id being connected after a take over
• Fixed a bug which could lead to incorrect session take over behavior

ℹ️ Misc

• Updated dependencies

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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,

Yannick from the HiveMQ Team