[[release-notes-8.5.3]]
== {es} version 8.5.3

Also see <<breaking-changes-8.5,Breaking changes in 8.5>>.

[[known-issues-8.5.3]]
[float]
=== Known issues

include::8.4.0.asciidoc[tag=ml-pre-7-datafeeds-known-issue]

include::8.4.0.asciidoc[tag=file-based-settings-deadlock-known-issue]

include::8.0.0.asciidoc[tag=jackson-filtering-bug]

include::8.4.0.asciidoc[tag=ingest-processor-log4j-cluster-instability-known-issue]

[[bug-8.5.3]]
[float]
=== Bug fixes

Infra/Core::
* Add `trace.id` to request trace logs {es-pull}91772[#91772] (issue: {es-issue}88174[#88174])
* `DoPrivileged` in `ElasticsearchEncaughtExceptionHandler` and check modify thread {es-pull}91704[#91704] (issue: {es-issue}91650[#91650])

Ingest Node::
* Handle any exception thrown while generating source for an `IngestDocument` {es-pull}91981[#91981]

Machine Learning::
* ML stats failures should not stop the usage API working {es-pull}91917[#91917] (issue: {es-issue}91893[#91893])

Stats::
* Fix NPE in IndexService getNodeMappingStats {es-pull}91334[#91334] (issue: {es-issue}91259[#91259])

Transform::
* Fix failure when resolving indices from CCS {es-pull}91622[#91622] (issue: {es-issue}91550[#91550])

[[enhancement-8.5.3]]
[float]
=== Enhancements

Ingest Node::
* Refactor enrich maintenance coordination logic {es-pull}90931[#90931]

TLS::
* Support SAN/dnsName for restricted trust {es-pull}91946[#91946]

[[upgrade-8.5.3]]
[float]
=== Upgrades

Engine::
* Upgrade Lucene to version 9.4.2 {es-pull}91823[#91823]