[[release-notes-8.11.2]]
== {es} version 8.11.2

Also see <<breaking-changes-8.11,Breaking changes in 8.11>>.

[[known-issues-8.11.2]]
[float]
=== Known issues
include::8.10.3.asciidoc[tag=no-preventive-gc-issue]

[float]
[[security-updates-8.11.2]]
=== Security updates

* The 8.11.2 patch release contains a fix for a potential security vulnerability. https://discuss.elastic.co/c/announcements/security-announcements/31[Please see our security advisory for more details].

[[bug-8.11.2]]
[float]
=== Bug fixes

Allocation::
* Improve failure handling in `ContinuousComputation` {es-pull}102281[#102281]

Application::
* Default `run_ml_inference` should be true {es-pull}102151[#102151]
* [Query Rules] Fix bug where combining the same metadata with text/numeric values leads to error {es-pull}102891[#102891] (issue: {es-issue}102827[#102827])

Cluster Coordination::
* Synchronize Coordinator#onClusterStateApplied {es-pull}100986[#100986] (issue: {es-issue}99023[#99023])

Data streams::
* [Usage API] Count all the data streams that have lifecycle {es-pull}102259[#102259]

ES|QL::
* ES|QL: Fix drop of renamed grouping {es-pull}102282[#102282] (issue: {es-issue}102121[#102121])
* ES|QL: Fix layout management for Project {es-pull}102399[#102399] (issue: {es-issue}102120[#102120])
* Fix DISSECT with empty patterns {es-pull}102580[#102580] (issue: {es-issue}102577[#102577])
* Fix leaking blocks in TopN {es-pull}102715[#102715] (issue: {es-issue}102646[#102646])
* Fix leaking blocks in `BlockUtils` {es-pull}102716[#102716]
* Fix memory tracking in TopN.Row {es-pull}102831[#102831] (issues: {es-issue}100640[#100640], {es-issue}102784[#102784], {es-issue}102790[#102790], {es-issue}102683[#102683])

ILM+SLM::
* [ILM] Fix downsample to skip already downsampled indices {es-pull}102250[#102250] (issue: {es-issue}102249[#102249])

Infra/Circuit Breakers::
* Add more logging to the real memory circuit breaker and lower minimum interval {es-pull}102396[#102396]

Ingest Node::
* Better processor stat merge {es-pull}102821[#102821]

Machine Learning::
* Ensure datafeed previews with no start or end time don't search the cold or frozen tiers {es-pull}102492[#102492]
* Recreate the Elasticsearch private temporary directory if it doesn't exist when an ML job is opened {es-pull}102599[#102599]

Mapping::
* Fix dense_vector cluster stats indexed_vector_dim_min/max values {es-pull}102467[#102467] (issue: {es-issue}102416[#102416])

Search::
* Allow mismatched sort-by field types if there are no docs to sort {es-pull}102779[#102779]

Security::
* Fix double-completion in `SecurityUsageTransportAction` {es-pull}102114[#102114] (issue: {es-issue}102111[#102111])

Snapshot/Restore::
* Set region for the STS client via privileged calls in AWS SDK {es-pull}102230[#102230] (issue: {es-issue}102173[#102173])
* Simplify `BlobStoreRepository` idle check {es-pull}102057[#102057] (issue: {es-issue}101948[#101948])

Transform::
* Ensure transform updates only modify the expected transform task {es-pull}102934[#102934] (issue: {es-issue}102933[#102933])
* Exclude stack traces from transform audit messages and health {es-pull}102240[#102240]

[[enhancement-8.11.2]]
[float]
=== Enhancements

Machine Learning::
* Add inference counts by model to the machine learning usage stats {es-pull}101915[#101915]

Security::
* Upgrade xmlsec to 2.3.4 {es-pull}102220[#102220]

[[upgrade-8.11.2]]
[float]
=== Upgrades

Snapshot/Restore::
* Upgrade reactor netty http version {es-pull}102311[#102311]