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title: Anypoint MQ Connector Release Notes for Mule 4
collection: mulesoft
version: current
locale: ja-jp
portal_url: https://docs.salesforce.com/mulesoft/current/ja-jp/release-notes/connector/anypoint-mq-connector-release-notes-mule-4.md
canonical_url: https://docs.mulesoft.com/jp/release-notes/connector/anypoint-mq-connector-release-notes-mule-4
source_site: docs.mulesoft.com
content_type: documentation
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description: MuleSoft Documentation Site
latest: true
---
# Anypoint MQ Connector Release Notes for Mule 4

Support Category: [Select](https://www.salesforce.com/en-us/wp-content/uploads/sites/4/documents/legal/Agreements/versioning-back-support-policy.pdf)

Anypoint Connector for Anypoint MQ (Anypoint MQ Connector) enables you to add messaging access to Anypoint MQ queues and exchanges from Anypoint Studio applications.

Anypoint MQ Connector versions 4.x, 3.x, and 2.x work only with Mule 4.x and Studio 7.x.

<table><tbody><tr><td class="icon"><i class="fa icon-note" title="Note"></i></td><td class="content">Anypoint MQ Connector version 3.x receives updates for bug fixes and security patches only. For the latest features and enhancements, upgrade your connector to the latest 4.x version.</td></tr></tbody></table>

Guide: [Anypoint MQ Connector User Guide](https://docs.mulesoft.com/jp/anypoint-mq-connector/latest/)

## [](#4-0-23)4.0.23

**August 26, 2026**

### What’s New

- The Anypoint MQ subscriber now recovers automatically from a broker connectivity loss. Previously, if connectivity dropped during message acknowledgement, the subscriber could stop consuming and remain stopped until the Mule application was restarted. The subscriber now implements the runtime’s reconnection contract and re-establishes its connection per the configured reconnection strategy, resuming consumption without manual intervention.

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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>

## [](#4-0-22)4.0.22

**August 17, 2026**

### What’s New

- The internal Anypoint MQ REST client is upgraded to a build that declares its Apache-2.0 license in the artifact POM. Earlier builds published without a license declaration, which caused some dependency scanners (for example, JFrog Xray) to quarantine the artifact as unknown license. There is no functional or behavioral change to the connector.

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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>

## [](#4-0-21)4.0.21

**July 21, 2026**

### What’s New

- The internal Anypoint MQ REST client is upgraded to a spring-core-free build to address reported security vulnerabilities (CVE-2025-41249 and CVE-2024-38816). Retry and backoff behavior is unchanged.

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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>

## [](#4-0-20)4.0.20

**July 8, 2026**

### What’s New

- The polling strategy for the Subscriber source now supports backpressure, which paces message retrieval to match your flow’s processing capacity. When enabled, the Subscriber source fetches new messages only when capacity is available and releases capacity when a message finishes processing. Backpressure is opt-in and disabled by default. To enable it, set the `anypoint.mq.subscriber.backpressure.enabled` system property to `true`. For more information, see [Backpressure and Max Concurrency](https://docs.mulesoft.com/jp/anypoint-mq-connector/latest/anypoint-mq-listener#backpressure-and-max-concurrency).

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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>

## [](#4-0-16)4.0.16

**May 20, 2026**

### 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>A packaging defect introduced in 4.0.15 that caused applications to fail to deploy with a class loader error is now resolved. This version includes the same vulnerability fixes as 4.0.15.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-22553120</p>
</div></div></td>
</tr>
</tbody>
</table>

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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>

## [](#4-0-15-deprecated)4.0.15 (Deprecated)

**May 19, 2026**

This version is deprecated. Upgrade to 4.0.16.

### Known Issues

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 40%;">
<col style="width: 40%;">
<col style="width: 20%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Known Issue</th>
<th class="tableblock halign-left valign-top">Workaround</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>Applications fail to deploy with <code>java.lang.IllegalStateException</code> and <code>NoSuchFileException: …​/META-INF/maven</code>. The consumable artifact published to Exchange contains a malformed <code>pom.xml</code>. The source in Nexus isn’t affected.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>Upgrade to 4.0.16.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-22553120</p>
</div></div></td>
</tr>
</tbody>
</table>

## [](#4-0-14)4.0.14

**October 20, 2025**

### What’s New

- Anypoint MQ Connector and MQ REST client licensing information is updated to CPAL v2.0.

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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>

## [](#4-0-13)4.0.13

**May 29, 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">Software</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">4.1.0 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>Anypoint MQ Connector upgrades dependencies to address reported security vulnerabilities (CVE-2024-38808 and CVE-2023-20863).</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-17873558</p>
</div></div></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>OAuth token calls now include a <code>requestId</code> to improve tracking and debugging of authentication requests.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-18343528</p>
</div></div></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p><code>Buffer is full, skipping message fetch</code> errors no longer occur when using the Anypoint MQ Connector with <code>prefetch=1</code> and <code>maxConcurrency=1</code>. Previously, these settings caused message consumption to stop until the application restarted, because competing processes held the buffer resource without releasing it.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-15572531</p>
</div></div></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>Anypoint MQ subscriber throughput now improves when using <code>prefetch=1</code> and <code>maxConcurrency=1</code>. Previously, message consumption slowed under these settings, reducing overall processing performance.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-15513498</p>
</div></div></td>
</tr>
</tbody>
</table>

## [](#4-0-12)4.0.12

**November 13, 2024**

### What’s New

- The `commons-io` library is upgraded to version 2.14.0 to address reported security vulnerabilities (CVE-2024-47554).

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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>To facilitate troubleshooting, Anypoint MQ Connector now logs the lock ID by default when receiving messages.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-16770759</p>
</div></div></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>The <code>commons-io</code> library is upgraded to version 2.14.0 to address reported security vulnerabilities (CVE-2024-47554).</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-16984485</p>
</div></div></td>
</tr>
</tbody>
</table>

## [](#4-0-11)4.0.11

**September 20, 2024**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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>A concurrency issue that sometimes caused the Subscriber to throw a NullPointerException error while calling the <code>Destination.getName()</code> method no longer occurs.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-16600995</p>
</div></div></td>
</tr>
</tbody>
</table>

## [](#4-0-10)4.0.10

**August 16, 2024**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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

This release includes only non-user-impacting changes.

## [](#4-0-9)4.0.9

**August 12, 2024**

### What’s New

- Anypoint MQ Subscriber performance is improved.

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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>

## [](#4-0-8)4.0.8

**June 10, 2024**

### What’s New

- The com.google.guava:guava 30.0-jre library is upgraded to version 32.0.1-jre to address reported security vulnerabilities (CVE-2023-2976).

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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 com.google.guava:guava 30.0-jre library is upgraded to version 32.0.1-jre to address reported security vulnerabilities (CVE-2023-2976).</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-15695673</p>
</div></div></td>
</tr>
</tbody>
</table>

## [](#4-0-7)4.0.7

**May 10, 2024**

### What’s New

- Anypoint MQ Connector 4.0.7 supports cross-region failover for standard queues.
    
    For information, see:
    
    - [mq::mq-failover.adoc](#mq::mq-failover.adoc)
    - [アプリケーションでのクロスリージョンフェールオーバーの設定](https://docs.mulesoft.com/jp/anypoint-mq-connector/latest/anypoint-mq-failover)

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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>

## [](#4-0-6)4.0.6

**February 5, 2024**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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>This connector is now compatible with Java 11.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-14954942</p>
</div></div></td>
</tr>
</tbody>
</table>

## [](#4-0-5)4.0.5

**February 1, 2024**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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 17</p></td>
</tr>
</tbody>
</table>

### Known Issues

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 40%;">
<col style="width: 40%;">
<col style="width: 20%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Known Issue</th>
<th class="tableblock halign-left valign-top">Workaround</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>Beginning with Anypoint MQ Connector version 4.0.4, Anypoint Studio versions (for example, v7.16) configured with Java 11 as the default report that the connector doesn’t support Java 11.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>Update the connector to version 4.0.6 or later if you need Java 11 support.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-14954942</p>
</div></div></td>
</tr>
</tbody>
</table>

For additional known issue information about this product, see [Known Issues](https://help.salesforce.com/s/issues).

## [](#4-0-4)4.0.4

**January 23, 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">Software</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">4.1.0 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 17</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all" style="width: 70%;">
<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 consumer/subscriber no longer recasts integer values to double values when it retrieves the message.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-13721361</p></td>
</tr>
</tbody>
</table>

### Known Issues

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 40%;">
<col style="width: 40%;">
<col style="width: 20%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Known Issue</th>
<th class="tableblock halign-left valign-top">Workaround</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>Beginning with Anypoint MQ Connector version 4.0.4, Anypoint Studio versions (for example, v7.16) configured with Java 11 as the default report that the connector doesn’t support Java 11.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>Update the connector to version 4.0.6 or later if you need Java 11 support.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-14954942</p>
</div></div></td>
</tr>
</tbody>
</table>

For additional known issue information about this product, see [Known Issues](https://help.salesforce.com/s/issues).

## [](#4-0-3)4.0.3

**April 19, 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">Software</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">4.1.0 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" style="width: 70%;">
<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 Spring Framework dependency is updated to 5.0.10 to fix reported security vulnerabilities (CVE-2018-15756).</p>
</div>
<div class="paragraph">
<p>The <code>com.google.code.gson:gson</code> dependency is updated to 2.8.9 to fix reported security vulnerabilities (CVE-2022-25647).</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-12717888</p></td>
</tr>
</tbody>
</table>

## [](#4-0-2)4.0.2

**February 27, 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">Software</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">4.1.0 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" style="width: 70%;">
<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 connector now correctly supports the <code>/</code> character in <code>messageId</code>.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-12004936</p></td>
</tr>
</tbody>
</table>

## [](#4-0-1)4.0.1

**February 7, 2023**

### What’s New

- Anypoint MQ Connector version 4.x supports the Connected Apps feature.
    
    For information, see:
    
    - [接続アプリケーションの設定](https://docs.mulesoft.com/jp/mq/mq-connected-apps)
    - [Anypoint MQ Connector のアップグレードおよび移行](https://docs.mulesoft.com/jp/anypoint-mq-connector/latest/anypoint-mq-connector-upgrade-migrate)

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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>

## [](#4-0-0)4.0.0

This version is deprecated. The new features for this version are in version [4.0.1](#4-0-1).

## [](#3-2-6)3.2.6

**February 6, 2024**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 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>This connector is now compatible with Java 11.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-14954942</p>
</div></div></td>
</tr>
</tbody>
</table>

## [](#3-2-5)3.2.5

**January 23, 2023**

### 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">Software</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">4.1.0 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 17</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all" style="width: 70%;">
<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 consumer/subscriber no longer recasts integer values to double values when it retrieves the message.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-13721361</p></td>
</tr>
</tbody>
</table>

### Known Issues

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 40%;">
<col style="width: 40%;">
<col style="width: 20%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Known Issue</th>
<th class="tableblock halign-left valign-top">Workaround</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>Beginning with Anypoint Connector version 3.2.5, Anypoint Studio versions (for example, v7.16) configured with Java 11 as the default report that the connector doesn’t support Java 11.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>Update the connector to version 3.2.6 or later if you need Java 11 support.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>W-14954942</p>
</div></div></td>
</tr>
</tbody>
</table>

For additional known issue information about this product, see [Known Issues](https://help.salesforce.com/s/issues).

## [](#3-2-4)3.2.4

**April 19, 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">Software</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">4.1.0 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" style="width: 70%;">
<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 Spring Framework dependency is updated to 5.0.10 to fix reported security vulnerabilities (CVE-2018-15756).</p>
</div>
<div class="paragraph">
<p>The <code>com.google.code.gson:gson</code> dependency is updated to 2.8.9 to fix reported security vulnerabilities (CVE-2022-25647).</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-12717888</p></td>
</tr>
</tbody>
</table>

## [](#3-2-3)3.2.3

**February 27, 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">Software</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">4.1.0 and later</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all" style="width: 70%;">
<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 connector now correctly supports the <code>/</code> character in <code>messageId</code>.</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-12004936</p></td>
</tr>
</tbody>
</table>

## [](#3-2-2-deprecated)3.2.2 (Deprecated)

This version is deprecated. The fixed issues for this version are in version [3.2.3](#3-2-3).

## [](#3-2-1-deprecated)3.2.1 (Deprecated)

This version is deprecated. The fixed issues for this version are in version [3.2.3](#3-2-3).

## [](#3-2-0)3.2.0

**October 12, 2022**

### What’s New

- Anypoint MQ Connector now supports numeric values for user properties.
    
    If you plan to create _intelligent message routing rules_ on numeric properties, upgrade to this version of Anypoint MQ Connector.
    
    For information, see [メッセージエクスチェンジに対するルールを設定することによるメッセージの転送](https://docs.mulesoft.com/jp/mq/mq-routing-rules).

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 and later</p></td>
</tr>
</tbody>
</table>

## [](#3-1-7)3.1.7

**May 3, 2022**

### What’s New

- This release includes security and performance improvements.

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 and later</p></td>
</tr>
</tbody>
</table>

## [](#3-1-6)3.1.6

**January 10, 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">Software</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">4.1.0 and later</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all" style="width: 70%;">
<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>Message Group ID now correctly supports alphanumeric characters (a-z, A-Z, 0-9) and punctuation (! " # $ % &amp; ' ( ) * + , - . / : ; &lt; = &gt; ? @ [ ] \ ^ _ ` { } | ~).</p>
</div></div></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">SE-23324</p></td>
</tr>
</tbody>
</table>

## [](#3-1-5)3.1.5

**August 11, 2021**

### Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 and later</p></td>
</tr>
</tbody>
</table>

### Fixed Issues

<table class="tableblock frame-all grid-all" style="width: 70%;">
<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>Upgraded the following library dependencies to address security vulnerabilities:</p>
</div>
<div class="ulist">
<ul>
<li>
<p><code>com.google.guava:guava</code> upgraded to 30.0-jre.</p>
</li>
<li>
<p><code>commons-io:commons-io</code> upgraded to 2.7.</p>
</li>
<li>
<p><code>org.springframework:spring-core</code> upgraded to 5.0.6.RELEASE.</p>
</li>
</ul>
</div></div></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
</tbody>
</table>

## [](#3-1-4)3.1.4

**June 14, 2021**

### [](#compatibility-28)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 and later</p></td>
</tr>
</tbody>
</table>

### [](#fixed-issues-17)Fixed Issues

- Improved performance by reusing the same connections when all the parameters in dynamic configuration remain the same. (SE-16909)

## [](#3-1-3)3.1.3

**April 29, 2021**

### [](#compatibility-29)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 and later</p></td>
</tr>
</tbody>
</table>

### [](#fixed-issues-18)Fixed Issues

- Fixed an issue with the Anypoint MQ Connector retry and backoff mechanisms. (MQ-2282)

## [](#3-1-2)3.1.2

**January 21, 2021**

### [](#compatibility-30)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 and later</p></td>
</tr>
</tbody>
</table>

### [](#fixed-issues-19)Fixed Issues

- Fixed an issue in which the Anypoint MQ Connector 3.1.1 Subscriber source with a circuit breaker and custom error prevented the app from consuming or processing messages. (SE-18045)

## [](#3-1-1)3.1.1

**September 11, 2020**

### [](#compatibility-31)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 and later</p></td>
</tr>
</tbody>
</table>

### [](#fixed-issues-20)Fixed Issues

- Fixed an issue in which the Anypoint MQ Connector 3.1.0 Subscriber source didn’t consume messages after a network outage. (SE-16793, SE-17007, SE-17206)

## [](#3-1-0)3.1.0

**October 2, 2019**

### [](#compatibility-32)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 and later</p></td>
</tr>
</tbody>
</table>

### [](#new-features)New Features

- Added message group ID support for FIFO queues. (MQ-1669)
- Added support for Delay Queues and Delay Messages. (MQ-1594)

### [](#fixed-issues-21)Fixed Issues

- Resolved an issue that caused a `StackOverflowError` error when using the connector in a `for-each` loop to process large amounts of data.

## [](#3-0-0)3.0.0

**July 29, 2019**

### [](#compatibility-33)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.1.0 and later</p></td>
</tr>
</tbody>
</table>

### [](#new-features-2)New Features

Version 3.0 includes an improved user experience and these new features:

- All operations are nonblocking.
- Subscriber source supports Mule Scheduler configurations natively.
- Polling subscriber type supports throttling.
- Java 11 is supported.
- Circuit breaker configuration is simplified.
- Subscriber source always uses long polling when fetching new messages.

### [](#fixed-issues-22)Fixed Issues

This release fixes these issues:

- Connection validation is ignored. (MQ-1521)
- Avoid thread starvation on HTTP failures. (MQ-1522)
- Change all payloads to IS instead of byte\[\]. (MQ-1394)
- Consume operation should throw a TIMEOUT error when no message is present. (MQ-1280)
- Avoid overlapping polls on Subscriber operation with fixed frequency. (MQ-1360)

## [](#2-1-0)2.1.0

**December 14, 2018**

### [](#compatibility-34)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.0.0 and later</p></td>
</tr>
</tbody>
</table>

### [](#fixed-issues-23)Fixed Issues

- Duplicated ACK when using IMMEDIATE mode. (MQ-1381)
- Avoid overlapping polls on fixed-frequency subscriber. (MQ-1360)
- Use long polling with maximum timeout in the fixed-frequency subscriber. (MQ-1359)
- Add version information in User-Agent header. (MQ-1339)

### [](#new-features-3)New Features

- Add circuit breaker capabilities to the MQ Subscriber. (MQ-1343)

## [](#2-0-5)2.0.5

**November 2, 2018**

### [](#compatibility-35)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.0.0 and later</p></td>
</tr>
</tbody>
</table>

### [](#fixed-issues-24)Fixed Issues

- Update reference docs for Subscriber parameters. (MQ-1340)
- MQ Subscriber: Needs to shut down gracefully when stopped. (MQ-1338)
- Anypoint MQ Connector does not remove expired messages from a preserved buffer. (MQ-1333)
- Anypoint MQ Connector blocks all app I/O threads when invoked concurrently. (MQ-1324)
- Anypoint MQ Connector prefetch limit is ignored. (MQ-1323)
- The Subscriber picks up messages very slowly from a queue. (MQ-1322)
- Messages are being read twice by Anypoint MQ Connector. (MQ-1320)
- PollingTime is not used by the Subscriber. (MQ-1277)
- Subscriber prefetch cannot be disabled. (MQ-1276)

## [](#2-0-4)2.0.4

**September 19, 2018**

### [](#compatibility-36)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.0.0 and later</p></td>
</tr>
</tbody>
</table>

### [](#new-features-4)New Features

This release of Anypoint MQ Connector implements retry logic with exponential backoff.

### [](#fixed-issues-25)Fixed Issues

- Improves logger precision to avoid issues during transaction tracing.
- Allows Subscriber prefetch to be disabled for predictability on API calls (see Known Issues).

### [](#known-issues-5)Known Issues

Using prefetch can result in the loss of predictability of API calls. If prefetch is used, Anypoint MQ Connector aggressively tries to fetch messages, which results in increased API calls. If predictability and control on API requests is important, use the following steps to disable prefetch and strictly follow the polling time.

<table><tbody><tr><td class="icon"><i class="fa icon-important" title="Important"></i></td><td class="content">Only disable prefetch if predictability on API calls is more important than performance. Maximum possible performance is only available when prefetch is enabled.</td></tr></tbody></table>

To disable prefetch:

1. Access a new or existing connector configuration of the MQ Subscriber component.
2. Navigate to the Prefetch tab.
3. Specify a Fetch size of 0. This disables prefetch.
4. In the Studio General tab, specify a **Polling time** in milliseconds.
    
    This time interval is strictly adhered to when making API calls. Polling time defaults to 10 seconds if an explicit configuration is not present.
    
    If there are no messages in the queue, each poll that a subscriber makes waits for the duration of exactly half of the **Polling time** specified in the General tab. Polling time has a maximum value of 20000 milliseconds.

**Note:** Versions 2.0.2 - 2.0.3 were internal releases only without changes to the user interface or product usage.

For additional known issue information about this product, see [Known Issues](https://help.salesforce.com/s/issues).

## [](#2-0-1)2.0.1

**July 4, 2018**

### [](#compatibility-37)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.0.0 and later</p></td>
</tr>
</tbody>
</table>

### [](#fixed-issues-26)Fixed Issues

- Internal fix only. No change to the user interface or product usage.

## [](#2-0-0)2.0.0

**November 17, 2017**

### [](#new-features-5)New Features

Anypoint MQ Connector adds support for Mule4 and Anypoint Studio 7.

### [](#compatibility-38)Compatibility

<table class="tableblock frame-all grid-all fit-content spread">
<colgroup>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Software</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">4.0.0 and later</p></td>
</tr>
</tbody>
</table>

### [](#known-issues-6)Known Issues

- Anypoint MQ Connector doesn’t support tracking.
    
    Example with tracking:
    
    ```xml
    <flow name="customers-all-get" tracking:enable-default-events="true">
      <anypoint-mq:subscriber config-ref="Anypoint_MQ_Configuration"
      destination="testQueue" acknowledgementMode="AUTO"/>
      <tracking:transaction id="customers-all-get"/>
    </flow>
    ```
    
    Example without tracking:
    
    ```xml
    <flow name="customers-all-get">
      <anypoint-mq:subscriber config-ref="Anypoint_MQ_Configuration"
      destination="testQueue" acknowledgementMode="AUTO"/>
    </flow>
    ```

For additional known issue information about this product, see [Known Issues](https://help.salesforce.com/s/issues).

## [](#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)