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Cortex v4.0.0 Release Notes

Release Date: 2025-11-27 // 7 months ago

  • 🔒 This version introduces support for Elasticsearch 8 and includes multiple library dependency upgrades to address security vulnerabilities.

    Important

    🚀 Starting with this release, Cortex supports only Elasticsearch 8.x.
    ⬆️ If you are currently using an earlier version of Elasticsearch, you must upgrade Elasticsearch and Cortex at the same time.

    ⬆️ See the upgrade recommendations here.

    Elasticsearch 8 compatibility

    👍 Cortex now supports Elasticsearch 8.x as its index engine.

    👍 Due to architectural constraints, Cortex cannot support multiple major versions of Elasticsearch simultaneously. Therefore, Elasticsearch 7.x and earlier versions are no longer supported.

    ⬆️ Dependency upgrades

    ⚡️ Several library dependencies have been updated to remediate known vulnerabilities and improve overall stability.

    Minor bug fix

    🛠 Fixed an issue related to the docker analyzer images existence check, performed when this analyzer is launched.


Previous changes from v3.2.1

    • ⚡️ [DL-2281] Update io.fabric8:kubernetes-client (6.13.5)
    • ⚡️ [DL-2271] Update org.yaml:snakeyaml (2.2)