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Oct 6, 2025
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Add release notes for v8.19.5 release #135882

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2 changes: 2 additions & 0 deletions docs/reference/release-notes.asciidoc
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This section summarizes the changes in each release.

* <<release-notes-8.19.5>>
* <<release-notes-8.19.4>>
* <<release-notes-8.19.3>>
* <<release-notes-8.19.2>>
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--

include::release-notes/8.19.5.asciidoc[]
include::release-notes/8.19.4.asciidoc[]
include::release-notes/8.19.3.asciidoc[]
include::release-notes/8.19.2.asciidoc[]
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67 changes: 67 additions & 0 deletions docs/reference/release-notes/8.19.5.asciidoc
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[[release-notes-8.19.5]]
== {es} version 8.19.5

coming[8.19.5]

Also see <<breaking-changes-8.19,Breaking changes in 8.19>>.

[[bug-8.19.5]]
[float]
=== Bug fixes

Aggregations::
* Propagates filter() to aggregation functions' surrogates {es-pull}134461[#134461] (issue: {es-issue}134380[#134380])

Codec::
* Address es819 tsdb doc values format performance bug {es-pull}135505[#135505] (issue: {es-issue}135340[#135340])

ES|QL::
* Ban Limit + `MvExpand` before remote Enrich {es-pull}135051[#135051]
* Fix async get results with inconsistent headers {es-pull}135078[#135078] (issue: {es-issue}135042[#135042])
* Fix expiration time in ES|QL async {es-pull}135209[#135209] (issue: {es-issue}135169[#135169])

Engine::
* Bypass MMap arena grouping as this has caused issues with too many regions being mapped {es-pull}135012[#135012]
* Fix deadlock in `ThreadPoolMergeScheduler` when a failing merge closes the `IndexWriter` {es-pull}134656[#134656]

Geo::
* `CentroidCalculator` does not return negative summation weights {es-pull}135176[#135176] (issue: {es-issue}131861[#131861])

Infra/Core::
* Bug fix: Facilitate second retrieval of the same value {es-pull}134790[#134790] (issue: {es-issue}134770[#134770])

Infra/Node Lifecycle::
* Fix systemd notify to use a shared arena {es-pull}135235[#135235]

Ingest Node::
* Correctly apply field path to JSON processor when adding contents to document root {es-pull}135479[#135479]

Machine Learning::
* Add .reindexed-v7-ml-anomalies-* to anomaly results template index pattern {es-pull}135270[#135270]
* Gracefully shutdown model deployment when node is removed from assignment routing {es-pull}134673[#134673]
* Reset health status on successful empty checkpoint {es-pull}135653[#135653] (issue: {es-issue}135650[#135650])
* Tolerate mixed types in datafeed stats sort {es-pull}135096[#135096]

Mapping::
* Avoid holding references to `SearchExecutionContext` in `SourceConfirmedTextQuery` {es-pull}134887[#134887]
* Fix for creating semantic_text fields on pre-8.11 indices crashing Elasticsearch {es-pull}135845[#135845]
* Fixed match only text block loader not working when a keyword multi field is present {es-pull}134582[#134582]

Search::
* Fix KQL case-sensitivity for keyword fields in ES|QL {es-pull}135776[#135776] (issue: {es-issue}135772[#135772])

Transform::
* Fix a bug in the GET _transform API that incorrectly claims some Transform configurations are missing {es-pull}134963[#134963] (issue: {es-issue}134263[#134263])
* Prevent Transform from queuing too many PIT close requests by waiting for PIT to close before finishing the checkpoint {es-pull}134955[#134955] (issue: {es-issue}134925[#134925])

[[enhancement-8.19.5]]
[float]
=== Enhancements

Audit::
* Change reindex to use ::es-redacted:: filtering {es-pull}135414[#135414]

Authorization::
* [Island Browser] Add `manage`, `create_index`, `read`, `index`, `write`, `delete`, permission for third party agent indices `kibana_system` {es-pull}134636[#134636] (issue: {es-issue}134136[#134136])