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Doc: Add Fleet Server and Elastic Agent release notes for 8.19.4 #1854

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Doc: Add 8.19.4 release notes
karenzone Sep 16, 2025
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Convert MD link format to ADOC link format
karenzone Sep 17, 2025
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Fix list formatting
karenzone Sep 17, 2025
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38 changes: 38 additions & 0 deletions docs/en/ingest-management/release-notes/release-notes-8.19.asciidoc
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Expand Up @@ -14,6 +14,7 @@

This section summarizes the changes in each release.

* <<release-notes-8.19.4>>
* <<release-notes-8.19.3>>
* <<release-notes-8.19.2>>
* <<release-notes-8.19.1>>
Expand All @@ -24,6 +25,43 @@ Also see:
* {kibana-ref}/release-notes.html[{kib} release notes]
* {beats-ref}/release-notes.html[{beats} release notes]

// begin 8.19.4 relnotes

[[release-notes-8.19.4]]
== {fleet} and {agent} 8.19.4

[discrete]
[[features-enhancements-8.19.4]]
=== New features and enhancements

Elastic Agent::
* Bump kube-stack Helm Chart to 0.9.1 and enable the cluster collector. link:https://github.com/elastic/elastic-agent/pull/9535[#9535]
* Enhanced loggers for easier debugging of upgrade related issues. link:https://github.com/elastic/elastic-agent/pull/9689[#9689] link:https://github.com/elastic/elastic-agent/issues/9536[#9536]


[discrete]
[[bug-fixes-8.19.4]]
=== Bug fixes

Elastic Agent::
* Redact secrets from pre-config, computed-config, components-expected, and components-actual files in diagnostics archive. link:https://github.com/elastic/elastic-agent/pull/9560[#9560]
* Retry service start command upon failure with 30-second delay. link:https://github.com/elastic/elastic-agent/pull/9313[#9313]
* Fix reporting of scheduled upgrade details across restarts and cancels. link:https://github.com/elastic/elastic-agent/pull/9562[#9562] link:https://github.com/elastic/elastic-agent/issues/8778[#8778]
* Enable root user to re-enroll unprivileged agent for mac and linux. link:https://github.com/elastic/elastic-agent/pull/9603[#9603] link:https://github.com/elastic/elastic-agent/issues/8544[#8544]
* Fix missing liveness healthcheck during container enrollment. link:https://github.com/elastic/elastic-agent/pull/9612[#9612] link:https://github.com/elastic/elastic-agent/issues/9611[#9611]
* Enable admin user to re-enroll unprivileged agent for windows. link:https://github.com/elastic/elastic-agent/pull/9623[#9623] link:https://github.com/elastic/elastic-agent/issues/8544[#8544]
* Treat exit code 284 from Endpoint binary as non-fatal. link:https://github.com/elastic/elastic-agent/pull/9687[#9687]
* Ensure failed upgrade actions are removed from queue and details are set. link:https://github.com/elastic/elastic-agent/pull/9634[#9634] link:https://github.com/elastic/elastic-agent/issues/9629[#9629]


Fleet Server::
* Restore connection limiter. link:https://github.com/elastic/fleet-server/pull/5372[#5372]
+
Restore connection level limiter to prevent OOM incidents. This limiter is used in addition to the request-level throttle so that once our in-flight requests reaches max_connections a 429 is returned, but if the total connections the server uses is over max_connections*1.1 the server dropsthe connection before the TLS handshake.
* Build fleet-server as fully static binary to restore OS matrix compatibility. link:https://github.com/elastic/fleet-server/pull/5392[#5392] link:https://github.com/elastic/fleet-server/issues/5262[#5262]

// end 8.19.4 relnotes

// begin 8.19.3 relnotes

[[release-notes-8.19.3]]
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