Fleet and Elastic Agent 8.19.24

IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.

The 8.19.24 release contains fixes for potential security vulnerabilities. For details, go to the security announcements.

Bump npm to 12.2.1 and Node.js to 22.23.4 (24.22.1 on Wolfi) in the Elastic Agent complete Docker images to remove vulnerable undici copies. #17359

Mark the elastic-agent-wolfi-complete image as complete. #16841
Fix an OTel Collector crash when all streams for a component are disabled. #16900
Fix a service runtime race that left Endpoint tamper-protected after an upgrade. #16917
Fix variables in Fleet policy inputs and outputs being resolved too early outside of the main Elastic Agent process. #16972
Rebuild the Fleet client when only the TLS or CA settings change in a policy. #17014 #17015
Fix Elastic Agent retaining component states that no broadcaster subscriber can receive. #17107
Fix the artifact downloader not using the Fleet Server URI for the PGP fallback. #17256 #16700
Retry the enrollment write on transient Elasticsearch errors to reduce offline agents that never enrolled. #7961 #7741
Avoid out-of-memory kills when many agents request artifacts right after Fleet Server starts. #8098