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The org.apache.commons:commons-lang3 library is upgraded to version 3.20.0 to address reported security vulnerabilities.
Anypoint Connector for MQTT (MQTT Connector) is an MQTT (Message Queuing Telemetry Transport) v3.x protocol-compliant MuleSoft extension. MQTT is a lightweight publish/subscribe messaging protocol designed for connecting remote devices with a small code footprint and minimal network bandwidth.
Guide: MQTT Connector User Guide
September 3, 2026
This release includes general security fixes.
| Application/Service | Version |
|---|---|
Mule |
4.3.0 and later |
OpenJDK |
8, 11, and 17 |
August 19, 2026
This connector version requires Mule runtime 4.6.22 or later if you’re using Mule 4.6.x, or Mule runtime 4.9.9 or later if you’re using Mule 4.9.x. If you prefer not to upgrade your Mule runtime, use the connector version released immediately after this one.
This release includes general security fixes.
| Application/Service | Version |
|---|---|
Mule |
4.3.0 and later |
OpenJDK |
8, 11, and 17 |
| Issue Resolution | ID |
|---|---|
The |
W-3300013 |
July 28, 2025
| Application/Service | Version |
|---|---|
Mule |
4.3.0 and later |
OpenJDK |
8, 11, and 17 |
| Issue Resolution | ID |
|---|---|
MQTT Connector now uses deferred connections to avoid losing messages when reconnecting. |
W-14248056 |
Updated org.apache.commons:commons-lang3 from 3.12.0 to 3.18.0. |
W-19150162 |
May 6, 2024
This connector is now compatible with Java 17.
| Application/Service | Version |
|---|---|
Mule |
4.3.0 and later |
OpenJDK |
8, 11, and 17 |
December 28, 2023
| Application/Service | Version |
|---|---|
Mule |
4.3.0 and later |
OpenJDK |
8 and 11 |
| Issue Resolution | ID |
|---|---|
When there are two On New Message sources using the same configuration, they now successfully reconnect. |
W-14562276 |
September 20, 2023
| Application/Service | Version |
|---|---|
Mule |
4.3.0 and later |
| Issue Resolution | ID |
|---|---|
The On New Message listener source now successfully completes the reconnection. |
W-13854587 |
April 4, 2023
| Application/Service | Version |
|---|---|
Mule |
4.3.0 and later |
| Issue | ID |
|---|---|
The Publish operation now reconnects successfully. |
W-12413989 |
March 2, 2022
| Application/Service | Version |
|---|---|
Mule |
4.3.0 and later |
| Issue | ID |
|---|---|
External library not detected for the MQ connection configuration. |
W-10582974 |
September 10, 2021
New connector.
For a list of supported configurations and operations, refer to the MQTT Connector Reference Guide.
| Application/Service | Version |
|---|---|
Mule |
4.3.0 and later |