[[release-notes-8.0.1]]
== {es} version 8.0.1

Also see <<breaking-changes-8.0,Breaking changes in 8.0>>.
[[known-issues-8.0.1]]
[float]
=== Known issues

include::8.0.0.asciidoc[tag=jackson-filtering-bug]
[[bug-8.0.1]]
[float]
=== Bug fixes

Aggregations::
* Fix backward compatibility with 7.17.0 {es-pull}83715[#83715]

Distributed::
* Correctly handle large zones with 500 or more instances {es-pull}83785[#83785] (issue: {es-issue}83783[#83783])

ILM+SLM::
* Do not allow negative age in explain lifecycle API response {es-pull}84043[#84043]

Infra/Core::
* Copy `trace.id` in threadcontext stash {es-pull}83218[#83218]
* Preserve context in `ResultDeduplicator` {es-pull}84038[#84038] (issue: {es-issue}84036[#84036])
* Update system index mappings if `_meta` is null {es-pull}83896[#83896] (issue: {es-issue}83890[#83890])

Ingest::
* Fix `GeoIpDownloader` startup during rolling upgrade {es-pull}84000[#84000]
* Short circuit date patterns after first match {es-pull}83764[#83764]

Machine Learning::
* Retry anomaly detection job recovery during relocation {es-pull}83456[#83456]

Packaging::
* Add `log4j-slf4j-impl` to `repository-azure` {es-pull}83661[#83661] (issue: {es-issue}83652[#83652])

Recovery::
* Add missing `indices.recovery.internal_action_retry_timeout` to list of settings {es-pull}83354[#83354]

SQL::
* Fix txt format for empty result sets {es-pull}83376[#83376]

Search::
* Avoid eagerly loading `StoredFieldsReader` in fetch phase {es-pull}83693[#83693] (issue: {es-issue}82777[#82777])
* Returns valid PIT when no index matched {es-pull}83424[#83424]

Security::
* Upgrade jANSI dependency to 2.4.0 {es-pull}83566[#83566]

Snapshot/Restore::
* Move get snapshots serialization to management pool {es-pull}83215[#83215]
* Preserve context in `snapshotDeletionListeners` {es-pull}84089[#84089] (issue: {es-issue}84036[#84036])

Transform::
* Fix condition on which the transform stops processing buckets {es-pull}82852[#82852]

Watcher::
* Tolerate empty types array in Watch definitions {es-pull}83524[#83524] (issue: {es-issue}83235[#83235])

[[enhancement-8.0.1]]
[float]
=== Enhancements

Infra/REST API::
* Update YAML REST tests to check for product header on all responses {es-pull}83290[#83290]

Recovery::
* Adjust `indices.recovery.max_bytes_per_sec` according to external settings {es-pull}82819[#82819]

[[upgrade-8.0.1]]
[float]
=== Upgrades

Geo::
* Update vector tiles google protobuf to 3.16.1 {es-pull}83402[#83402]

Packaging::
* Bump bundled JDK to 17.0.2+8 {es-pull}83243[#83243] (issue: {es-issue}83242[#83242])