FlashMQ
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  • 2023-07-27
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FlashMQ 1.6.2 released

Fixes consistency bugs related to QoS packet queuing and saving that queue to disk.

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  • 2023-07-25
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FlashMQ 1.6.1 released

Version 1.6.1 fixes multi-level wildcard matching to also include the parent. Subscribing to ‘one/two/three/#’ should also give you ‘one/two/three’, which apparently was never implemented.

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  • 2023-07-23
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FlashMQ 1.6.0 released

Changes:

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  • 2023-06-05
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License changed to OSL 3

With the release of FlashMQ version 1.5.0 comes a change in license to a more permissive one. Before 1.5.0, the code was licensed under the Affero General Public License version 3. The primary reason was for ‘network copyleft’, meaning that hosting is considered distribution, which comes with the requirement of making changes to the source […]

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  • 2023-06-05
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FlashMQ 1.5.0 released

Because this release marks a license change to a more permissive license, the minor level was bumped from 4 to 5. Other than that, there are no functional additions. There have been various improvements and fixes: Packages available for download and installation.

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  • 2023-05-11
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FlashMQ 1.4.5 released

There were two bugs that affected only non-AMD64 systems (like ARM): Packages available for download and installation.

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  • 2023-05-08
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FlashMQ 1.4.4 released

Small maintenance release: Packages available for download and installation.

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  • 2023-04-20
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FlashMQ 1.4.3 released

Quickly after release 1.4.2. It fixes erroneously using an outgoing topic alias when the incoming packet had one.

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  • 2023-04-19
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FlashMQ 1.4.2 released

Bugfix release: As usual, debs and an AppImage are available for download.

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  • 2023-03-26
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FlashMQ 1.4.0 released

FlashMQ 1.4.0 has been released. It’s main change is a change in the plugin API, to allow access to the payload. This release also marks the end of Ubuntu 18.04 support. The C++ level was upped to C++17, which is not available on (the compilers on) Ubuntu 18.04. Plus, Ubuntu 18.04 is about to be […]

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  • Home
  • About FlashMQ
    • About FlashMQ
    • Demo
  • Announcements
  • Download
    • Download FlashMQ
    • Download MQTT Load Simulator
  • Documentation
    • Plugin
    • Man page flashmq
    • Man page flashmq.conf
    • Let’s Encrypt
    • Security and Stability
    • Understanding clean session and clean start
  • Benchmarks

Latest blog posts

  • FlashMQ 1.23.1 released 2025-09-23
  • FlashMQ 1.23.0 released 2025-08-31
  • FlashMQ 1.22.0 released 2025-06-11
  • FlashMQ 1.21.1 released 2025-03-24
  • FlashMQ 1.21.0 released 2025-03-18

FlashMQ elsewhere

  • FlashMQ.com
  • FlashMQ on GitHub
  • FlashMQ on YouTube

Contact & Support

To contact the FlashMQ developers, you can email them directly at contact@flashmq.org or via the FlashMQ issue tracker.

For commercial support (and soon managed hosting), look no further than FlashMQ.com.