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Neo4j Connector Release Notes

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Anypoint Connector for Neo4j (Neo4j Connector) provides the capability to execute Cypher Query Language (CQL) statements and run basic operations, such as create, update, delete, and select nodes in a Neo4j Graph database instance.

Guide: Neo4j Connector Guide

4.0.4

October 21, 2026

Compatibility

Software Version

Mule

4.9.0 and later

Neo4j Bolt API

5.28.15

OpenJDK

17

Fixed Issues

Issue Resolution ID

The Guava library is upgraded to version 33.7.2-jre to address reported security vulnerabilities.

W-24542330

4.0.3

September 18, 2026

Compatibility

Software Version

Mule

4.9.0 and later

Neo4j Bolt API

5.28.15

OpenJDK

17

Fixed Issues

Issue Resolution ID

These libraries are upgraded to address reported security vulnerabilities:

  • The Neo4j Java driver is upgraded to version 5.28.15.

  • The Netty Handler library is upgraded to version 4.2.18.Final.

  • The Reactor Core library is upgraded to version 3.8.7.

W-24117520

4.0.2

September 3, 2026

What’s New

  • This release includes general security fixes.

Compatibility

Software Version

Mule

4.9.0 and later

Neo4j Bolt API

5.28.14

OpenJDK

17

4.0.1

July 27, 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.

  • The Neo4j Java driver is upgraded to 5.28.14.

Compatibility

Software Version

Mule

4.9.0 and later

Neo4j Bolt API

5.28.14

OpenJDK

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 Gson library is upgraded to version 2.14.0.

  • The Commons IO library is upgraded to version 2.22.0.

W-23441591

4.0.0

September 14, 2025

What’s New

  • The connector is now fully compatible with modern Neo4j versions (4.4 and later) and the latest Mule runtime engines (4.9.0 and later), leveraging the updated Neo4j Java driver.

  • The connector simplifies configuration to only require a BOLT URL, as all metadata operations use native Cypher queries through a BOLT connection. The REST URL parameter is now removed.

  • The connector offers improved metadata resolution for a smoother experience in Anypoint Studio, providing access to new features such as reactive APIs, multi-database support, and enhanced security.

  • The connector no longer supports Neo4j 3.x servers, Mule runtime versions earlier than 4.9.0, or JDK versions earlier than 17.

Compatibility

Software Version

Mule

4.9.0 and later

Neo4j Bolt API

5.28.8

OpenJDK

17

3.0.9

October 21, 2026

Compatibility

Software Version

Mule

4.1.1 and later

Neo4j Bolt API

1.7.6

OpenJDK

8, 11, and 17

Fixed Issues

Issue Resolution ID

The Guava library is upgraded to version 33.7.2-jre to address reported security vulnerabilities.

W-24542195

3.0.8

September 29, 2026

Compatibility

Software Version

Mule

4.1.1 and later

Neo4j Bolt API

1.7.6

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 2.22.0.

  • The Gson library is upgraded to version 2.14.0.

W-24282053

3.0.7

July 4, 2024

What’s New

  • This connector is now compatible with Java 17.

Compatibility

Software Version

Mule

4.1.1 and later

Neo4j Bolt API

1.7.6

OpenJDK

8, 11, and 17

3.0.6

June 14, 2023

Compatibility

Software Version

Mule

4.1.1 and later

Neo4j Bolt API

1.7.6

See the Neo4j Java driver v1.7 change log.

Fixed Issues

Issue Resolution ID

Updated the following dependencies: Google Guava from 25.1-jre to 32.0.1-jre, Google Gson from 2.8.9 to 2.10.1, commons-io from 2.7 to 2.13.0, and neo4j-java-driver from 1.7.5 to 1.7.6.

W-13464607

3.0.5

November 12, 2021

Compatibility

Software Version

Mule

4.1.1 and later

Neo4j Bolt API

1.7.5

See the Neo4j Java driver v1.7 change log.

Fixed Issues

Issue ID

Fixed vulnerability issues.

CONN-9291

3.0.4

September 7, 2020

Compatibility

Software Version

Mule

4.1.1 and later

Neo4j Bolt API

1.7.5

See the Neo4j Java driver v1.7 change log.

Features

  • Fixed vulnerability issues (CONN-6883).

3.0.3

November 6, 2019

Compatibility

Software Version

Mule

4.1.1 and later

Neo4j Bolt API

1.7.5

See the Neo4j Java driver v1.7 change log.

Features

  • Downgraded parent to restore compatibility with Runtime version 4.1.1.

3.0.2

November 4, 2019

Compatibility

Software Version

Mule

4.2.0 and later

Neo4j Bolt API

1.7.5

See the Neo4j Java driver v1.7 change log.

Features

  • Internal improvements

  • Added logging to the DEBUG level to aid troubleshooting.

3.0.1

August 27, 2019

This release updates the Neo4j Bolt API to version 1.7.5.

Compatibility

Software Version

Mule

4.1.1 and later

Neo4j Bolt API

1.7.5

See the Neo4j Java driver v1.7 change log.

3.0.0

January 31, 2018

This release updates Neo4j for Mule 4.

Compatibility

Software Version

Mule

4.1.0 and later

Neo4j Bolt API

1.5

See the Neo4j Java driver v1.5 change log.

See Also