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Microsoft .NET Connector Release Notes

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Anypoint Connector for Microsoft .NET (Microsoft .NET Connector) lets you execute native .NET code in a Mule app.

Guide: Microsoft .NET Connector
Reference: Microsoft .NET Connector Reference

3.1.11

June 25, 2026

Compatibility

App/Service Version

Mule

4.1.1 and later

OpenJDK

8, 11, and 17

Fixed Issues

Issue Resolution ID

These libraries are upgraded to address reported security vulnerabilities:

  • The jackson library is upgraded to version 2.22.0.

  • The log4j library is upgraded to version 2.26.0.

  • The commons-io library is upgraded to version 2.22.0.

  • The netty library is upgraded to version 4.2.15-Final.

W-23136105

3.1.10

May 26, 2026

Compatibility

App/Service Version

Mule

4.1.1 and later

OpenJDK

8, 11, and 17

Fixed Issues

Issue Resolution ID

These libraries are upgraded to address reported security vulnerabilities:

  • The guava library is upgraded to version 33.6.0-jre.

  • The log4j library is upgraded to version 2.25.4.

W-22406285

3.1.9

March 22, 2026

Compatibility

App/Service Version

Mule

4.1.1 and later

OpenJDK

8, 11, and 17

Fixed Issues

Issue Resolution ID

These libraries are upgraded to address reported security vulnerabilities:

  • The commons-io library is upgraded to version 2.21.0.

  • The log4j library is upgraded to version 1.2.17-atlassian-0.4.

W-21334686

3.1.8

October 8, 2024

What’s New

  • This connector is now compatible with Java 17.

Compatibility

App/Service Version

Mule

4.1.1 and later

OpenJDK

8, 11, and 17

3.1.7

May 2, 2023

Compatibility

App/Service Version

Mule

4.1.1 and later

OpenJDK

8 and 11

Fixed Issues

Issue Resolution ID

Upgraded the Jackson Core library from com.fasterxml.jackson.core:jackson-core:2.13.1 to com.fasterxml.jackson.core:jackson-core:2.15.0.

W-12665440

3.1.6

October 11, 2022

Compatibility

App/Service Version

Mule

4.1.1 and later

OpenJDK

8 and 11

Fixed Issues

Issue ID

The com.fasterxml.jackson.core library is upgraded to version 2.14.0-rc1 to address reported security vulnerabilities.

W-11853430

3.1.5

April 5, 2022

Compatibility

App/Service Version

Mule

4.1.1 and later

OpenJDK

8 and 11

Fixed Issues

Issue ID

Fixed reported security vulnerabilities by upgrading the Jackson Databind library from com.fasterxml.jackson.core:jackson-databind:2.12.6 to com.fasterxml.jackson.core:jackson-databind:2.12.6.1.

W-10920471

3.1.4

January 5, 2022

Compatibility

App/Service Version

Mule

4.1.1 and later

OpenJDK

8 and 11

Fixed Issues

Issue ID

Upgraded library dependencies.

CONN-9841

3.1.3

December 17, 2021

Compatibility

App/Service Version

Mule

4.1.1 and later

OpenJDK

8 and 11

Fixed Issues

Issue ID

Upgraded library dependencies.

CONN-9621

3.1.2

August 26, 2021

Compatibility

App/Service Version

Mule

4.1.1 and later

OpenJDK

8 and 11

Fixed Issues

Issue ID

Optimized the connector to improve its overall stability and performance.

N/A

3.1.1

September 08, 2020

Compatibility

Microsoft .NET Connector is compatible with:

App/Service Version

Mule

4.1.1 and later

OpenJDK

8 and 11

Fixed Issues

  • Fixed commons-io vulnerability

3.1.0

August 20, 2020

Compatibility

Microsoft .NET Connector is compatible with:

App/Service Version

Mule

4.1.1 and later

Java

8 and 11

Fixed Issues

  • Added support for Java 11.

3.0.4

May 29, 2020

Compatibility

Microsoft .NET Connector is compatible with:

App/Service Version

Mule

4.1.1 and later

Java

8

Fixed Issues

  • Updated the com.fasterxml.jackson.core:jackson-databind:2.9.0 dependency to com.fasterxml.jackson.core:jackson-databind:2.11.0 to fix vulnerability issues. (CONN-6045)

  • Deleted the following dependencies to fix vulnerability issues (CONN-6045):

    • log4j:log4j:1.2.17

    • dotnet:dotnetutils:1.0.0.0

3.0.3

February 14, 2020

Compatibility

Microsoft .NET Connector is compatible with:

App/Service Version

Mule

4.1.1 and later

Java

8

Fixed Issues

  • Test connection failed. (SE-14227)

  • Metadata was not populating. (SE-14228)

  • Leaving the Arguments input blank or setting it to null, always caused an error. (SE-14191)

3.0.2

September 12, 2019

Compatibility

Microsoft .NET Connector is compatible with:

App/Service Version

Mule

4.1.1 and later

Fixed Issues

  • Redeployment fails when using the .NET Connector in Windows. (SE-9882)

Known issues

  • The .NET connector is not compatible with Mule 4.2.0 and later.

3.0.1

August 14, 2019

Compatibility

The Microsoft .NET Connector is compatible with:

App/Service Version

Mule

4.1.1 and later

Fixed Issues

  • Microsoft .NET connector was unable to handle complex objects and threw an Invalid JavaScript property identifier error. (SE-9730)

Known issues

  • Redeployment fails when using the .NET connector on Windows. (SE-9882)

  • The .NET connector is not compatible with Mule 4.2.0 and later.

3.0.0

June 22, 2018

This release provides Mule 4 support.

Compatibility

The Microsoft .NET Connector is compatible with:

App/Service Version

Mule

4.1.1 and later

See Also