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[#release-5-2-0]
== OpenDJ 5.2.0

OpenDJ 5.2.0 was published on 21 October 2026. These notes describe that released version. Documentation built from a development branch can also describe changes intended for a later release; a `SNAPSHOT` build is not a published release.

The link:https://github.com/OpenIdentityPlatform/OpenDJ/releases/tag/5.2.0[5.2.0 release record] is the authoritative list of release assets and changes. The link:https://github.com/OpenIdentityPlatform/OpenDJ/compare/5.1.2...5.2.0[complete comparison with 5.1.2] provides the corresponding source history. For newer releases, consult the link:https://github.com/OpenIdentityPlatform/OpenDJ/releases[release list].

=== Selected Changes

The release includes the following changes, among others:

* Security fixes for the DSML gateway, OAuth2 file token authorization, LDAP connection handling, and access control for sort and virtual list view (VLV) requests. Review the link:https://github.com/OpenIdentityPlatform/OpenDJ/security/advisories[published security advisories] for affected versions, impact and remediation details.
* Directory and replication reliability fixes, including startup failure reporting when a replication server cannot open its port or changelog, and persistent-search notification handling.
* JDBC backend fixes for Microsoft SQL Server upsert conflicts and deadlocks.
* Docker improvements for arbitrary user IDs in group 0, secret handling, health checks, background replication joining and upgrades from a released image.
* REST to LDAP fixes for HTTP Basic credentials and bind templates, and reloading file-based key stores and trust stores when their files change.

This is a summary, not a second copy of the full change list. Use the release record to identify individual fixes and their pull requests.

=== Distributions

The release provides the following assets:

[cols="1,2",options="header"]
|===
|Asset |Purpose
|`opendj-5.2.0.zip` |Cross-platform directory server; used by the Getting Started exercise.
|`opendj-5.2.0-slim.zip` |Slim server distribution without the Cassandra, Oracle, MySQL, SQL Server and PostgreSQL drivers.
|`opendj_5.2.0-1_all.deb` |Debian package.
|`opendj-5.2.0-1.noarch.rpm` |RPM package.
|`opendj-5.2.0.msi` |Windows installer.
|`org.openidentityplatform.opendj.opendj-ldap-toolkit.zip` |LDAP client toolkit.
|`org.openidentityplatform.opendj.opendj-rest2ldap-servlet.war` |REST to LDAP gateway for deployment in a servlet container.
|`org.openidentityplatform.opendj.opendj-dsml-servlet.war` |DSML gateway for deployment in a servlet container.
|`OpenDJ.Doc.Generated.References-pdf.zip` |Documentation PDFs packaged with the release.
|`Dockerfile.zip` |Docker image build files.
|`opendj-openshift-template.yaml` |OpenShift deployment template.
|===

The project also publishes the link:https://hub.docker.com/r/openidentityplatform/opendj/[OpenDJ Docker image]. See xref:../install-guide/chap-install.adoc#install-docker[Running OpenDJ in Docker] for image variants, configuration and persistent data.

Before installation or upgrade, read xref:./requirements-and-upgrade.adoc[Requirements and Upgrade Considerations]. For a first evaluation, follow xref:../getting-started/first-steps.adoc[Your First Directory].