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Slack Connector Release Notes

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Anypoint Connector for Slack (Slack Connector) gives you access to the Slack platform. This connector exposes operations provided by the Slack API. Visit the official Slack site to learn more.

Guide: Slack Connector User Guide

2.0.1

March 20, 2026

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

OpenJDK

8, 11, and 17

Fixed Issues

Issue Resolution ID

These libraries are upgraded to address reported security vulnerabilities:

  • The commons-lang3 library is upgraded to version 3.20.0.

  • The commons-text library is upgraded to version 1.15.0.

  • The guava library is upgraded to version 33.5.0-jre.

  • The jackson library is upgraded to version 2.21.1.

  • The json library is upgraded to version 20251224.

W-21506502

The connector now uses updated packaging to prevent the DuplicateExportedPackageException error and the exported packages no longer conflict with the REST SDK packages of other connectors when you use multiple REST-based connectors in the same Mule application.

W-21602195

2.0.0

March 2, 2025

What’s New

For more information about how to upgrade this connector to version 2.0.0, refer to Upgrading and Migrating Slack Connector to Version 2.x.

Compatibility

Software Version

Mule runtime engine

4.2.0 and later

OpenJDK

8, 11, and 17

1.0.19

April 8, 2024

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

OpenJDK

8, 11, and 17

Fixed Issues

Issue Resolution ID

You can now use Conversation list and Users list operations in Anypoint Studio as intended.

W-15448362

1.0.18

March 14, 2024

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

OpenJDK

8, 11, and 17

Fixed Issues

Issue Resolution ID

You can now install Slack Connector in Anypoint Studio as intended.

W-15251546

1.0.17

January 25, 2024

What’s New

  • This connector is now compatible with Java 17.

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

OpenJDK

8, 11, and 17

1.0.16

March 28, 2023

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed Issues

Issue Resolution ID

The overall stability and performance of the connector are improved.

W-12433949

1.0.15

December 12, 2022

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed Issues

Issue Resolution ID

The overall stability and performance of the connector are improved.

W-12180337

1.0.14

October 18, 2022

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed Issues

Issue ID

The org.apache.commons library is upgraded to version 1.10.0 to address reported security vulnerabilities.

W-11913983

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

W-11853432

1.0.13

July 29, 2022

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed Issues

Issue ID

Optimized the connector to improve its overall stability and performance.

W-11415979

1.0.12

May 17, 2022

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed Issues

Issue ID

Optimized the connector to improve its overall stability and performance.

W-11031313

1.0.11

April 5, 2022

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

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-10920457

1.0.10

February 1, 2022

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed Issues

Issue ID

When sending a message in Slack Connector, a Content cannot be displayed notification appeared instead of the message preview.

COCN-727

1.0.9

January 3, 2022

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed Issues

Issue ID

Upgraded library dependencies.

CONN-9851, CONN-9857

1.0.8

December 21, 2021

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed Issues

Issue ID

Upgraded library dependencies.

CONN-9564

1.0.7

November 3, 2021

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed Issues

Issue ID

Optimized the connector to improve its overall stability and performance.

CSCA-1031

1.0.6

October 14, 2021

Compatibility

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed Issues

Issue ID

Optimized the connector to improve its overall stability and performance.

COCN-512

1.0.5

September 2, 2021

Compatibility

Slack Connector is compatible with these software versions:

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed Issues

Issue ID

Optimized the connector to improve its overall stability and performance.

COCN-539, COCN-512

1.0.4

July 9, 2021

Compatibility

Slack Connector is compatible with these software versions:

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed Issues

  • Optimized the connector to improve its overall stability and performance.

1.0.3

June 8, 2021

Compatibility

Slack Connector is compatible with these software versions:

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed Issues

  • Improved the value provider’s error handling. (CONN-7984)

1.0.2

March 19, 2021

Compatibility

Slack Connector is compatible with these software versions:

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed in This Release

  • Improved the content of some operations and their metadata. (CONN-7745)

1.0.1

February 19, 2021

Compatibility

Slack Connector is compatible with these software versions:

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Fixed in This Release

  • The connector did not appear in Studio. (CONN-7667)

  • When using the Conversations List or Users List operation, the connector failed with a null pointer exception. (CONN-7548)

1.0.0

January 22, 2021

New connector.

Compatibility

Slack Connector is compatible with these software versions:

Software Version

Mule runtime engine

4.2.1 and later

Open JDK

8 and 11

Features

For a list of supported configurations and operations, see the Slack Connector Reference Guide.

Fixed in This Release

Not applicable.

See Also