IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
Elastic Docs ›Fleet and Elastic Agent Guide [8.8] ›Release notes
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Fleet and Elastic Agent 8.8.1edit

Review important information about the Fleet and Elastic Agent 8.8.1 release.

Known issuesedit

Elastic Defend and Elastic Agent CPU spike when connectivity to Elasticsearch and/or Logstash is lost.

Details

When the output server (Elasticsearch or Logstash) is unreachable, versions 8.8.0 & 8.8.1 of Elastic Defend (or Elastic Endpoint) and Elastic Agent may enter a state where they repeatedly communicate with each other indefinitely. This manifests as both processes consuming dramatically more CPU, constantly.

Versions 8.8.0 & 8.8.1 are affected on all operating systems. Elastic Agent does not manifest the behavior unless the Elastic Defend integration is enabled.

Impact

This issue was resolved in version 8.8.2. If you are using Elastic Agent with the Elastic Defend integration, please update to 8.8.2 or later.

Enhancementsedit

Fleet
  • Add Elastic Agent UI instructions for Universal Profile. #158936
Fleet Server
  • Add Fleet configuration file to Elastic Agent diagnostics bundle. #2632 #2623

Bug fixesedit

Fleet
  • Include hidden data streams in package upgrade. #158654
Elastic Agent
  • Fix potential communication issue when a running component would lose connection to the Elastic Agent and be unable to re-connect because of a concurrent updated component model. #2729 #2691
  • Retry download step during upgrade process. #2776
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