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Apache Jackrabbit: Board Report March 2023


The Apache Jackrabbit™ content repository is a fully conforming implementation of the Content Repository for Java™ Technology API (JCR, specified in JSR 170 and 283). The Jackrabbit content repository is stable, largely feature complete and actively being maintained.

Jackrabbit Oak is an effort to implement a scalable and performant hierarchical content repository as a modern successor to the Apache Jackrabbit content repository. It is targeted for use as the foundation of modern world-class websites and other demanding content applications. In contrast to its predecessor, Oak does not implement all optional features from the JSR specifications, and it is not a reference implementation.


There are no issues requiring board attention at this time.

Membership Data:

Apache Jackrabbit was founded 2006-03-15 (17 years ago) There are currently 58 committers and 58 PMC members in this project. The Committer-to-PMC ratio is 1:1.

Community changes, past quarter:

  • No new PMC members. Last addition was Joerg Hoh on 2022-07-01.
  • No new committers. Last addition was Joerg Hoh on 2022-07-01.

Project Activity:

Apache Jackrabbit Oak receives most attention nowadays. All maintenance branches and the main development branch are continuously seeing moderate to high activity.

Apache Jackrabbit itself is mostly in maintenance mode with most of the work going into bug fixing and tooling. New features are mainly driven by dependencies from Jackrabbit Oak.

The project team decided to require Java 11 as the minimum version for new feature releases. Apache Jackrabbit Oak 1.48.0 is the last release supporting Java 8.

A roadmap has been outlined how to update the Guava dependency. The next Jackrabbit Oak release will make usage of deprecated APIs exposing Guava more visible by logging warn and error messages. Later this year the team plans to introduce a wrapped Guava version for Jackrabbit Oak internal use and then remove deprecated APIs.

Community Health:

The project is healthy with a continuous stream of traffic mostly on JIRA issues and GitHub pull requests reflecting activity of the respective component.

Commit activity is moderate, mirroring the activity on the JIRA issues and the desire of the individual contributors to bring features and improvements in for the next Jackrabbit Oak release.


  • filevault-package-maven-plugin-1.3.2 was released on 2022-12-16
  • jackrabbit-oak-1.46.0 was released on 2022-12-21
  • jackrabbit-2.20.8 was released on 2023-01-09
  • jackrabbit-filevault-3.6.8 was released on 2023-01-10
  • jackrabbit-oak-1.22.14 was released on 2023-01-19
  • jackrabbit-oak-1.48.0 was released on 2023-01-27
  • jackrabbit-2.21.15 was released on 2023-02-10
  • jackrabbit-2.20.9 was released on 2023-03-10

JIRA activity:

  • 168 JIRA tickets created in the last 3 months
  • 146 JIRA tickets closed/resolved in the last 3 months