Release Notes

v5.27.4 on the GitHub


Rule Services:

  • Implemented Docker Support for MinIO as an S3-Compatible Storage Repository
  • Key enhancements:

    -Migrated S3 repository to AWS SDK v2

    -Supported force deploy of jars from the Rule Services by ruleservice.datasource.deploy.classpath.jars=always

    -Supported non-versioned S3 repository

    -Supported http://minio:9000/ URLs

    -Improved overall performance of deployment repositories


  • OpenL projects without Excel files inside.

Fixed Bugs


  • Favicon is not displayed in browser on Repository Tab.
  • REST branch creation fails for project when using OAuth2 authentication.


  • Expression reference fails with large number of conditions (exceeding 15).

Updated Libraries

  • Spring Security 5.8.9
  • Jose4j 0.9.4
  • Kafka 3.6.1
  • OpenTelemetry 2.0.0
  • Netty 4.1.106.Final
  • Reactor Netty HTTP 1.1.15
  • Jackson 2.16.1
  • Swagger Core 2.2.20
  • Swagger Parser 2.1.20
  • Log4J 2.22.1
  • Slf4J 2.0.11
  • Maven API 3.9.6
  • Maven Plugin 3.11.0
  • Jetty 10.0.19
  • AWS SDK 2.23.7
  • Azure BLOB SDK 12.25.1
  • Mockito 5.9.0
  • Datasource proxy 1.10
  • Groovy 4.0.18
  • AspectJ 1.9.21
  • Guaava 33.0.0-jre
  • Joda Time 2.12.6

Known issues

Users may experience intermittent hang-ups in the Webstudio interface when performing create, edit, or delete operations on the Editor or Repository tabs. Workaround: To resolve this issue, users can clear their browser cookies for the Webstudio and restart the browser.

  • For Mozilla Firefox see
  • For Google Chrome see
  • For Microsoft Edge see
  • Migration Notes

    Due to the default OTLP protocol change to http/protobuf in line with the specification, users must now connect via the http://jaeger:4318 port or set OTEL_EXPORTER_OTLP_PROTOCOL=grpc for using the 4317 port. For more details, refer to the release notes and the OTLP protocol specification.

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