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WF WireQueue-MQTT by WireFlow - Toolkit for LabVIEW Download

LabVIEW API for MQTT, with or without TLS encryption.

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2,810

Version	3.0.1.168
Released	Apr 28, 2026
Publisher	WireFlow
License	WireFlow SW
LabVIEW Version	LabVIEW>=20.0
Operating System	Windows
Project links	Homepage Discussion

Description

Please note that this package requires VIPM 2014 or later for installation and requires VIPM to be run with "administrator" rights. To do this, close LabVIEW and VIPM, then start VIPM by right-clicking and select "Run as administrator"

This is the driver for the WireFlow WireQueue MQTT product, a lightweight system to communicate between LabVIEW targets and other devices using MQTT with TLS support. It supports connection to any MQTT broker (MQTT 3.1.1).

To add specific topic handling, override methods in the MQTT_Overrides class.

Release Notes

3.0.1.168 (Apr 28, 2026)

* Changed code base to LabVIEW 2020
* Changed from OpenSSL to native LabVIEW TLS support
* Added "Connection ms timeout" to connection details cluster (allowed range 1000 to 6000)
* Removed support for WireQueueSSL.cfg to configure OpenSSL
* Added new method MQTT_ConfigureTLS
* Made method MQTT_ConfigureOpenSSL deprecated, and private (current code will break) --> replace with ConfigureTLS method
* Updated manual with new method info and new WireFlow address

2.3.1.156 (Jun 01, 2023)

Fixed issue with PUBCOMP message encoding of MsgCount.
Added configuration method to allow initial background connection.

2.3.0.151 (Aug 08, 2022)

Reworked handling of large topics, e.g. to allow LabVIEW 32-bit systems to receive very large topics.
Removed dependency to WF-SecuritySuite
Added workaround for bug in LV2022 regarding "Wait on Notification with History

2.1.0.135 (Sep 24, 2021)

Fixed bug that accidentally removed a leading slash '/' from the topic name.
Fixed bug where VIPM doesn't include unused items from libraries (internal error functions)
Added method to override maximum topic size
Added method to update connection credentials for background process re-connects
Added method to force a reconnect

2.0.5.128 (Sep 30, 2020)

Fixed bug in the handling of CONNACK message, and forwarding of connection errors to the calling API

2.0.3.121 (Aug 30, 2019)

Fixed encoding/decoding issue of PUB message that could cause published binary data to be truncated.

2.0.2.119 (Jun 17, 2019)

Fixed bitness error on LabVIEW RT (LabVIEW 2018)
Fixed performance issue for pure TCP/IP connections
Marked all VIs to separate compiled code from source.

2.0.1.112 (Feb 22, 2019)

Fix to prevent the MQTT driver to use MessageID = 0.
The polling example can now specify the level of TLS checking to be used.
Updated OpenSSL error handling/reporting

2.0.0.108 (Nov 29, 2018)

First release with support for connection to any MQTT broker (MQTT 3.1.1).
The WireQueue layer is still available and is now open, and can thus work as an example to build other layers on top of WireFlow MQTT.

Show all release notes (+8 more releases)

Download Package

Versions

3.0.1.168 (Apr 28, 2026)

2.3.1.156 (Jun 01, 2023)

2.3.0.151 (Aug 08, 2022)

2.1.0.135 (Sep 24, 2021)

2.0.5.128 (Sep 30, 2020)