[[release-notes-8.4.1]]
== {es} version 8.4.1

Also see <<breaking-changes-8.4,Breaking changes in 8.4>>.

[[known-issues-8.4.1]]
[float]
=== Known issues

* When using date range search with format that does not have all date fields (missing month or day)
an incorrectly parsed date could be used. The workaround is to use date pattern with all date fields (year, month, day)
(issue: {es-issue}90187[#90187])

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-8.4.1]]
[float]
=== Bug fixes

Machine Learning::
* [ML] Validate trained model deployment `queue_capacity` limit {es-pull}89611[#89611] (issue: {es-issue}89555[#89555])
