Hivemq Community Edition Versions Save

HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform

2023.4

11 months ago

✨ Improvements

#400 Added listener type and port information to HiveMQ event log entries generated by SSL errors and ungraceful disconnects.

🐞 Bug fixes

#402 Fixed a race condition that causes inconsistent client session metrics and memory leaks in client session cleanups.

❤️ Thanks to all contributors

@DC2-DanielKrueger
@hlohse
Also thanks to all code reviewers and all who created valuable issues

Full Changelog: https://github.com/hivemq/hivemq-community-edition/compare/2023.3...2023.4

2023.3

1 year ago

✨ Improvements

https://github.com/hivemq/hivemq-community-edition/pull/396 Improved topic tree performance in a rare topic removal case.

🐞 Bug fixes

https://github.com/hivemq/hivemq-community-edition/pull/394 Fixed a rare condition that could cause a QoS 0 packet with no message payload to drop when a system is under high load.

❤️ Thanks to all contributors

@A-Imal
@hlohse
Also thanks to all code reviewers and all who created valuable issues

Full Changelog: https://github.com/hivemq/hivemq-community-edition/compare/2023.2...2023.3

2023.2

1 year ago

✨ Improvements

#389 #390 Streamlined the client connection context to reduce memory usage per client connection.
#384 Improved unsubscribe handling to reduce memory consumption per connected client.

🐞 Bug fixes

#383 Fixed an issue that could prevent a reconnecting client from receiving further messages in rare situations.

ℹ️ Misc

#392 #393 Formatting

❤️ Thanks to all contributors

@A-Imal
@hlohse
Also thanks to all code reviewers and all who created valuable issues

❤️ New Contributors

@pglombardo made their first contribution in https://github.com/hivemq/hivemq-community-edition/pull/387

Full Changelog: https://github.com/hivemq/hivemq-community-edition/compare/2023.1...2023.2

2023.1

1 year ago

🌟 Features

https://github.com/hivemq/hivemq-community-edition/pull/367 Added XSD schema files for validation of broker configuration files
https://github.com/hivemq/hivemq-community-edition/pull/347 Added native M1 RocksDB library to HiveMQ bundles for better manageability when running HiveMQ with RocksDB on MacBook M1 models.

✨ Improvements

https://github.com/hivemq/hivemq-community-edition/pull/359 Improved the priority handling of HiveMQ extensions that use the same extension services to avoid possible conflicts.
https://github.com/hivemq/hivemq-community-edition/pull/362 Adjusted the naming of extension executors to facilitate accurate debugging.
https://github.com/hivemq/hivemq-community-edition/pull/370 Optimized memory consumption when millions of clients are connected.
https://github.com/hivemq/hivemq-community-edition/pull/375 Improved performance for use cases that have a large number of subscribers for the same shared subscription group.
https://github.com/hivemq/hivemq-community-edition/pull/373 Improved stability and performance for inbound PUBLISH packets to high volume shared subscriptions
https://github.com/hivemq/hivemq-community-edition/pull/380 Optimized caching to eliminate unnecessary Java heap memory consumption.
https://github.com/hivemq/hivemq-community-edition/pull/385 Improved HiveMQ event log feedback for failed authentication to include custom reason strings from extensions.
https://github.com/hivemq/hivemq-community-edition/pull/377 Increased message throughput rates and payload cleanup performance in deployments with a large number of CPU cores.

🐞 Bug fixes

https://github.com/hivemq/hivemq-community-edition/pull/358 Fixed an issue that could prevent successful HiveMQ shutdown when the diagnostic mode is enabled.
https://github.com/hivemq/hivemq-community-edition/pull/361 Fixed an issue that could cause the HiveMQ broker to log duplicate extension starts during startup on some Windows desktop installations.
https://github.com/hivemq/hivemq-community-edition/pull/369 Fixed an issue that could cause incorrect handling of will messages when a client reconnects or takes over a session with an enabled clean start flag.
https://github.com/hivemq/hivemq-community-edition/pull/371 Fixed an issue to prevent a potential memory leak on systems where no extension sets plugin initializers.
https://github.com/hivemq/hivemq-community-edition/pull/379 Improved handling in the cleanup service to fix an issue that could cause a periodic cleanup task to get stuck.

ℹ️ Misc

https://github.com/hivemq/hivemq-community-edition/pull/346 https://github.com/hivemq/hivemq-community-edition/pull/347 Updated dependencies on third-party libraries.

❤️ Thanks to all contributors

@A-Imal
@DC2-DanielKrueger
@Donnerbart
@Florian-Limpoeck
@gitseti
@LBrandl
@mario-schwede-hivemq
@MicWalter
@Remit
@schaebo
Also thanks to all code reviewers and all who created valuable issues

❤️ New Contributors

@hlohse

2022.1

1 year ago

🌟 Features

Added TLS configuration option for secure TCP listeners and TLS WebSocket listeners to allow the definition of preferred cipher suites.

✨ Improvements

Significantly increased the amount of information that is provided in warn level logs for extensions.
Improved disk I/O write efficiency for large payloads to substantially increase performance.
Improved the way that disconnects due to keep-alive timeouts are handled to provide greater resilience in case of a massive disconnect wave.
Improved HiveMQ startup to provide greater speed and stronger data folder protection.

🐞 Bug fixes

Fixed an issue to ensure that the HiveMQ Extension SDK gets the correct default values for CONNECT and Last Will messages.
Fixed an issue that could prevent a delayed Will Message from being sent.
Fixed an issue that could cause improper handling of Will Messages in rare cases.

❤️ Thanks to all contributors

@A-Imal
@Remit
@YannickWeber
@SgtSilvio
@schaebo
@MicWalter
@DC2-DanielKrueger
Also thanks to all code reviewers and all who created valuable issues

❤️ New Contributors

@mario-schwede-hivemq
@Donnerbart

Full Changelog: https://github.com/hivemq/hivemq-community-edition/compare/2021.3...2022.1

2021.3

2 years ago

✨ Improvements

#289 Reduced the memory footprint of client connections #280 Unified normal and embedded start #294 Unified normal and embedded shutdown. #300 Avoid false-positive warnings when starting in embedded mode #305 Introduced local client state #295 Added the client's channel to the its connection.

🐞 Bug fixes

#307 Fixed an issue that could cause a memory leak when clients are instantly disconnected after connecting #316 Corrected an issue that could cause an error during MQTT 3.1 client subscriptions #302 Adjusted handling of QoS level changes at the publish messages interceptor for increased stability #313 Significantly reduced heap usage for use cases with high numbers of queued messages #301 Fixed a bug that caused wrong payloads after stateful start #310 Fixed an issue which could lead to multiple clients with the same id being connected after a take over #314 Fixed a bug which could lead to incorrect session take over behavior

ℹ️ Misc

#279 Use Gradle ProGuard plugin and update other plugins #303 Update to Gradle 7.1.1 #282 Improved CD pipeline #285 Improved Docker image publication #288 Changed Keyserver in Dockerfile #311 Adapt Java download links to the renaming of AdoptOpenJDK to Adoptium.

❤️ Thanks to all contributors

@A-Imal
@DC2-DanielKrueger
@gitseti
@LBrandl
@sauroter
@schaebo
@SgtSilvio
@YannickWeber
@Florian-Limpoeck
Also thanks to all code reviewers and all who created valuable issues

❤️ New Contributors

@FibreFoX made their first contribution in https://github.com/hivemq/hivemq-community-edition/pull/300
@Remit made their first contribution in https://github.com/hivemq/hivemq-community-edition/pull/302
@busybeetree made their first contribution in https://github.com/hivemq/hivemq-community-edition/pull/297

Full Changelog: https://github.com/hivemq/hivemq-community-edition/compare/2021.2...2021.3

2021.2

2 years ago

🌟 Features

#263 Added a new HiveMQ environment variable pattern that broadens support for environment variables in the configuration of HiveMQ
#248 Adjust access to the TLS information of MQTT clients in the HiveMQ extension system
#247 Added ability to modify the assigned client identifier in CONNACK interceptors

✨ Improvements

#270 Adjusted single subscription removal to significantly improve performance

🐞 Bug fixes

#262 Fixed an issue in which memory-mapped files could cause an out-of-memory error.

ℹ️ Misc

#266 Updated dependencies

❤️ Thanks to all contributors

@A-Imal
@DC2-DanielKrueger
@gitseti
@LBrandl
@sauroter
@schaebo
@SgtSilvio
@YannickWeber
@Florian-Limpoeck
Also thanks to all code reviewers and all who created valuable issues

2021.1

3 years ago

🌟 Features

The retain as published subscription option is now supported for shared subscriptions #245
Added option to override the default destination of automatically-generated heap dumps to facilitate troubleshooting in containerized environments #225 #227

✨ Improvements

Improved performance and memory usage #233 #234 #237 #243 , especially:
- Streamlined handling for multiple connected clients to limit memory consumption and increase performance #234 #237
- Optimized message throughput for subscribers with high publication rates #243
Enhanced in-memory persistence performance #233 #235 #244 , including:
- Reduced GC pressure for better in-memory persistence performance #235
- Fewer context switches for better in-memory persistence performance #244
Improved handling of shared subscriptions that have large numbers of inflight messages #223
Improved scaling of clients with the same shared subscription #240
Improved payload persistence #226

ℹ️ Misc

Updated dependencies #228 #231 #232

❤️ Thanks to all contributors

@DC2-DanielKrueger
@Florian-Limpoeck
@gitseti
@LBrandl
@sauroter
@schaebo
@SgtSilvio
@YannickWeber
Also thanks to all code reviewers and all who created valuable issues

2020.6

3 years ago

✨ Improvements

Improved memory usage when large payloads (10MB+) are published #218

🐞 Bug fixes

Limited the size of the RocksDB log files #213
Fixed a bug where the Prometheus extension did not return metrics under load #215
Fixed automatic creation of a heap dump when HiveMQ runs out of memory #221
Fixed an issue where message delivery stopped for one client with a persistent session after a HiveMQ restart #219
The embedded artifact refers to the right hivemq-extension-sdk dependency version #222

ℹ️ Misc

Cleanup #214 #217

❤️ Thanks to all contributors

@DC2-DanielKrueger
@LBrandl
@sauroter
@SgtSilvio
Also thanks to all code reviewers and all who created valuable issues

2020.5

3 years ago

🌟 Features

Embedded API for extension which allows you to load a HiveMQ extension directly from any Java application #211

✨ Improvements

Sending more DISCONNECT and CONNACK reason codes and reason strings #209
Listeners accept connections only after all extension start methods have completed before #202

🐞 Bug fixes

Fixed an issue where sending of queued messages to subscribers in a shared subscription could be discontinued #199
MQTT 3.x clients are now not allowed to connect with an empty client identifier if this is disallowed in the HiveMQ config #203
Ensure that negative CONNACKs are always sent when a connection is refused #203
The configured max-keep-alive is now correctly used if the client specifies a greater keep alive value #204
The configured max-topic-length is now correctly enforced #207
Retained messages with a child level topic now correctly match multi-level wildcard subscriptions #212

ℹ️ Misc

Added javadoc badge so you can find the javadoc easier #206

❤️ Thanks to all contributors

@Florian-Limpoeck
@LBrandl
@sbaier1
@schaebo
@SgtSilvio
Also thanks to all code reviewers and all who created valuable issues