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title: WebSockets Connector Release Notes
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version: current
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# WebSockets Connector Release Notes

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 WebSockets (WebSockets Connector) establishes bidirectional and full-duplex communication between a server and client, implements server push notifications, works with the HTTP infrastructure, and removes the need for clients to regularly poll the server for new data.

Guide: [WebSockets Connector](https://docs.mulesoft.com/jp/websockets-connector/latest/)  
Reference: [WebSockets Connector Reference](https://docs.mulesoft.com/jp/websockets-connector/latest/websockets-connector-reference)

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

**September 21, 2026**

### What’s New

- This release includes general security fixes.

### Compatibility

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 30%;">
<col style="width: 70%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">App/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"><strong>Mule</strong></p></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>4.2.2 and later</p>
</div></div></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>OpenJDK</strong></p></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>8, 11, and 17</p>
</div></div></td>
</tr>
</tbody>
</table>

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

**August 17, 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.

### Compatibility

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 30%;">
<col style="width: 70%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">App/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"><strong>Mule</strong></p></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>4.2.2 and later</p>
</div></div></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>OpenJDK</strong></p></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>8, 11, and 17</p>
</div></div></td>
</tr>
</tbody>
</table>

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

**June 27, 2026**

### Compatibility

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 30%;">
<col style="width: 70%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">App/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"><strong>Mule</strong></p></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>4.2.2 and later</p>
</div></div></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>OpenJDK</strong></p></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>8, 11, and 17</p>
</div></div></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"><p class="tableblock">The <strong>Open Outbound Socket</strong> operation now correctly closes the previous connection and retains the new connection when reconnecting with the same socket ID.</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-19389824</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">WebSockets Connector now uses the retry support from <code>mule-api</code> instead of&nbsp;<code>mule-core</code> if available.</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-19290853</p></td>
</tr>
</tbody>
</table>

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

**March 26, 2025**

### Compatibility

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 30%;">
<col style="width: 70%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">App/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"><strong>Mule</strong></p></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>4.2.2 and later</p>
</div></div></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>OpenJDK</strong></p></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>8, 11, and 17</p>
</div></div></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"><p class="tableblock">WebSockets Connector now closes duplicate connections when trying to use the same socket ID.</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">W-17502656</p></td>
</tr>
</tbody>
</table>

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

**January 8, 2024**

### What’s New

- This connector is now compatible with Java 17.

### Compatibility

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 30%;">
<col style="width: 70%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">App/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"><strong>Mule</strong></p></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>4.2.2 and later</p>
</div></div></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock"><strong>Open JDK</strong></p></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>8, 11, and 17</p>
</div></div></td>
</tr>
</tbody>
</table>

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

**November 15, 2019**

### [](#compatibility-6)Compatibility

<table class="tableblock frame-all grid-all stretch">
<colgroup>
<col style="width: 30%;">
<col style="width: 70%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">App/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"><strong>Mule</strong></p></td>
<td class="tableblock halign-left valign-top"><div class="content"><div class="paragraph">
<p>4.2.2 and later</p>
</div></div></td>
</tr>
</tbody>
</table>

New release.

## [](#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)