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Upgrade and Migration Guide
    • Introduction
    • Neo4j 2025
      • Changes from Neo4j 5 to 2025.x
      • Standalone server
        • Debian package manager
        • RPM package manager
        • TAR/ZIP
        • Docker
      • Cluster
        • In-place rolling upgrade
        • New server rolling upgrade
      • Upgrade Community to Enterprise
    • Neo4j 5
      • Upgrade to 5.x or 5 LTS
        • Standalone server
          • Debian package manager
          • RPM package manager
          • TAR/ZIP
          • Docker
        • Cluster
          • In-place rolling upgrade
          • New server rolling upgrade
      • Migrate from 4.4 LTS
        • Prepare for your migration
        • Backup your databases
        • Install and configure Neo4j 5
        • Migrate your databases
        • Reference
          • Breaking changes between Neo4j 4.4 and Neo4j 5
          • Changes to procedures in Neo4j 5.x
          • Changes to Java API in Neo4j 5.x
          • Changes to configuration settings in Neo4j 5.x
          • Migrate a standalone server (Helm)
          • Migrate a cluster (Helm)
      • Upgrade Community to Enterprise
    • Neo4j 4
      • Understanding upgrades and migration
      • Supported upgrade and migration paths
      • Considerations and planning
      • Migrating from Community to Enterprise Edition
      • Upgrade PATCH release
        • Upgrade checklist
        • Upgrade a single instance
        • Upgrade a cluster
      • Upgrade 4.3 to 4.4 LTS
        • Upgrade checklist
        • Upgrade a single instance
        • Upgrade a cluster
        • Troubleshooting
      • Upgrade 4.2 to 4.3
        • Upgrade checklist
        • Upgrade a single instance
        • Upgrade a cluster
        • Troubleshooting
      • Upgrade 4.1 to 4.2
        • Upgrade checklist
        • Upgrade a single instance
        • Upgrade a cluster
        • Troubleshooting
      • Upgrade 4.0 to 4.1
        • Upgrade checklist
        • Upgrade a single instance
        • Upgrade a cluster
        • Troubleshooting
      • Migrate from 3.5
        • Breaking changes between Neo4j 3.5 and Neo4j 4.x
          • Configuration settings
          • Neo4j SSL framework
          • Authentication and authorization
          • Databases
          • Causal Cluster
          • Cypher® syntax
          • Procedures
          • Metrics
          • Logs
          • Tools
          • Backups
          • JMX
          • Neo4j API
          • REST API
          • HTTP API endpoints
          • External dependencies
        • Breaking changes between Neo4j 1.7 drivers and Neo4j 4.x drivers
          • Drivers changes
            • Compatibility
            • Breaking changes
            • Back-pressure
            • Multiple databases
            • SSL policy for Bolt and HTTPS
            • Additional URI schemes
          • Go driver
          • Java driver
          • Javascript driver
          • .NET driver
          • Python driver
        • Migration checklist
        • Migrate 3.5 to 4.0
          • Migrate a single instance
          • Migrate a cluster
        • Migrate 3.5 to 4.x
          • Migrate a single instance
          • Migrate a cluster
      • Tutorials
        • Back up and restore a single database in a single instance
        • Back up and restore a single database in a cluster
        • Back up and copy a single database in a single instance
        • Back up and copy a single database in a cluster
      • Neo4j indexes
      • Changelogs
        • Changes to configuration settings in Neo4j 4
        • Changes to procedures & functions in Neo4j 4

Is this page helpful?

  • Upgrade and Migration Guide
  • Neo4j 4
  • Migrate from 3.5
  • Breaking changes between Neo4j 3.5 and Neo4j 4.x

Breaking changes between Neo4j 3.5 and Neo4j 4.x

This chapter describes the breaking changes between Neo4j 3.5 and Neo4j 4.x.

It covers changes to:

  • Configuration settings

  • Neo4j SSL framework

  • Authentication and authorization

  • Databases

  • Causal Cluster

  • Cypher® syntax

  • Procedures

  • Metrics

  • Logs

  • Tools

  • Backups

  • JMX

  • Neo4j API

  • REST API

  • HTTP API endpoints

  • External dependencies

Migrate from 3.5 Configuration settings

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