IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Beats Platform Reference [8.15] ›Release notes

Beats version 8.15.4

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Beats version 8.15.4

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Known issues

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Metricbeat

  • Metrics can be lost when using Metricbeat due to the total fields limit of the Metricbeat index template. We recommend increasing the index.mapping.total_fields.limit setting of the Metricbeat index template to 12500 and perform a rollover of the Metricbeat data stream. If you’ve customized the name of the index associated to Metricbeat, apply the same change accordingly.

Breaking changes

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Osquerybeat

  • Disable allow_unsafe osquery configuration. 40130

Bugfixes

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Affecting all Beats

  • Fix issue where old data could be saved in the memory queue after acknowledgment, increasing memory use. 41356

Filebeat

  • Log bad handshake details when websocket connection fails. 41300
  • Improve modification time handling for entities and entity deletion logic in the Active Directory entityanalytics input. 41179
  • Fix double encoding of client_secret in the Entity Analytics input’s Azure Active Directory provider. 41393
  • The azure-eventhub input now correctly reports its status to the Elastic Agent on fatal errors. 41469

Metricbeat

  • Fix Kubernetes metadata sometimes not being present after startup. 41216

Winlogbeat

  • Fix truncated windows event log message. 41327

Added

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Affecting all Beats

  • Replace Ubuntu 20.04 with 24.04 for Docker base images. 40743 40942
  • Reduce memory consumption of k8s autodiscovery and the add_kubernetes_metadata processor when Deployment metadata is enabled.

Heartbeat

  • Add monitor status reporter under managed mode. 41077

Metricbeat

  • Only watch metadata for ReplicaSets in metricbeat k8s module. 41289
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