---
schema_version: "1"
id: 566ae76bf96ea8dd6d875d9d82da5da2d4c3c7979312f6d2e0f3bcdae8916867
title: MQTT Connector Release Notes
collection: mulesoft
version: current
locale: ja-jp
portal_url: https://docs.salesforce.com/mulesoft/current/ja-jp/release-notes/connector/mqtt3-connector-release-notes.md
canonical_url: https://docs.mulesoft.com/jp/release-notes/connector/mqtt3-connector-release-notes
source_site: docs.mulesoft.com
content_type: documentation
content_hash: 5011686ed31dab0c74b8b2076e7649e20154aa66e8ba2468344c766939d2ee0e
description: MuleSoft Documentation Site
latest: true
---
# MQTT Connector Release Notes

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](https://docs.mulesoft.com/mqtt3-connector/latest/)

## [](#1-1-1)1.1.1

**September 3, 2026**

### What’s New

- This release includes general security fixes.

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Application/Service</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.3.0 and later</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">OpenJDK</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">8, 11, and 17</p></td>
</tr>
</tbody>
</table>

## [](#1-1-0)1.1.0

**August 19, 2026**

### What’s New

- 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.

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Application/Service</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.3.0 and later</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">OpenJDK</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">8, 11, and 17</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 66.6666%;">
<col style="width: 33.3334%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Issue Resolution</th>
<th class="tableblock halign-left valign-top">ID</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>The <code>org.apache.commons:commons-lang3</code> library is upgraded to version 3.20.0 to address reported security vulnerabilities.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-3300013</p>
</div></div></td>
</tr>
</tbody>
</table>

## [](#1-0-6)1.0.6

**July 28, 2025**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Application/Service</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.3.0 and later</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">OpenJDK</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">8, 11, and 17</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 66.6666%;">
<col style="width: 33.3334%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Issue Resolution</th>
<th class="tableblock halign-left valign-top">ID</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>MQTT Connector now uses deferred connections to avoid losing messages when reconnecting.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-14248056</p>
</div></div></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>Updated org.apache.commons:commons-lang3 from 3.12.0 to 3.18.0.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-19150162</p>
</div></div></td>
</tr>
</tbody>
</table>

## [](#1-0-5)1.0.5

**May 6, 2024**

### What’s New

- This connector is now compatible with Java 17.

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Application/Service</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.3.0 and later</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">OpenJDK</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">8, 11, and 17</p></td>
</tr>
</tbody>
</table>

## [](#1-0-4)1.0.4

**December 28, 2023**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Application/Service</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.3.0 and later</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">OpenJDK</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">8 and 11</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 66.6666%;">
<col style="width: 33.3334%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Issue Resolution</th>
<th class="tableblock halign-left valign-top">ID</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>When there are two <strong>On New Message</strong> sources using the same configuration, they now successfully reconnect.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-14562276</p>
</div></div></td>
</tr>
</tbody>
</table>

## [](#1-0-3)1.0.3

**September 20, 2023**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Application/Service</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.3.0 and later</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 66.6666%;">
<col style="width: 33.3334%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Issue Resolution</th>
<th class="tableblock halign-left valign-top">ID</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>The <strong>On New Message</strong> listener source now successfully completes the reconnection.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-13854587</p>
</div></div></td>
</tr>
</tbody>
</table>

## [](#1-0-2)1.0.2

**April 4, 2023**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Application/Service</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.3.0 and later</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 66.6666%;">
<col style="width: 33.3334%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Issue</th>
<th class="tableblock halign-left valign-top">ID</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>The <strong>Publish</strong> operation now reconnects successfully.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-12413989</p>
</div></div></td>
</tr>
</tbody>
</table>

## [](#1-0-1)1.0.1

**March 2, 2022**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Application/Service</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.3.0 and later</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 66.6666%;">
<col style="width: 33.3334%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Issue</th>
<th class="tableblock halign-left valign-top">ID</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>External library not detected for the MQ connection configuration.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-10582974</p>
</div></div></td>
</tr>
</tbody>
</table>

## [](#1-0-0)1.0.0

**September 10, 2021**

### What’s New

New connector.

For a list of supported configurations and operations, refer to the MQTT Connector Reference Guide.

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Application/Service</th>
<th class="tableblock halign-left valign-top">Version</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">Mule</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">4.3.0 and later</p></td>
</tr>
</tbody>
</table>

## [](#see-also)See Also

- [Salesforce Help](https://help.salesforce.com)
- [MuleSoft Services](https://www.mulesoft.com/support-and-services)
- [Known Issues](https://help.salesforce.com/s/issues)