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Release notes for 8.19.10 #18551

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b5df8b5
Update release notes for 8.19.10
logstashmachine Jan 7, 2026
fffc61e
Clean up release notes
robbavey Jan 7, 2026
6954916
Add additional deprecation text for kafka integration
robbavey Jan 13, 2026
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This time in the right release
robbavey Jan 13, 2026
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robbavey Jan 13, 2026
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43 changes: 41 additions & 2 deletions docs/static/releasenotes.asciidoc
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Expand Up @@ -3,6 +3,7 @@

This section summarizes the changes in the following releases:

* <<logstash-8-19-10,Logstash 8.19.10>>
* <<logstash-8-19-9,Logstash 8.19.9>>
* <<logstash-8-19-8,Logstash 8.19.8>>
* <<logstash-8-19-7,Logstash 8.19.7>>
Expand Down Expand Up @@ -101,6 +102,45 @@ This section summarizes the changes in the following releases:
* <<logstash-8-0-0-alpha2,Logstash 8.0.0-alpha2>>
* <<logstash-8-0-0-alpha1,Logstash 8.0.0-alpha1>>

[[logstash-8-19-10]]
=== Logstash 8.19.10 Release Notes

No user-facing changes in Logstash core.


==== Plugins

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@karenzone karenzone Jan 13, 2026

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Looks like Kafka 11.8.1 that deprecated those partitioner settings went into 8.19.10, so we'll need to add the deprecation notice to release notes. The doc structure for 8.x is different, so we'll need to add the info to release notes rather than linking out to a separate Deprecations topic.

.Deprecations to Partitioner settings in Kafka output plugin
****
The `partitioner` configuration options `default` and `uniform_sticky` have been deprecated in the Kafka output. https://github.com/logstash-plugins/logstash-integration-kafka/pull/206[#206]

These options will work correctly for the Kafka plugin version bundled with Logstash 8.19.x, but will be removed in a future release.

The deprecations in the Kafka output were made to align with changes in the Kafka Client.
At version 4.x, the Kafka Client removes the `DefaultPartitioner` and `UniformStickyPartitioner` partitioner implementations.
It adds an improved https://cwiki.apache.org/confluence/display/KAFKA/KIP-794%3A+Strictly+Uniform+Sticky+Partitioner[uniform sticky partitioner], which is the default.
****

*Beats Input - 6.9.5*

* Upgrade netty to 4.1.129 https://github.com/logstash-plugins/logstash-input-beats/pull/526[#526]

*Http Input - 3.10.4*

* Upgrade netty to 4.1.129 https://github.com/logstash-plugins/logstash-input-http/pull/204[#204]

*Tcp Input - 6.4.8*

* Upgrade netty to 4.1.129 https://github.com/logstash-plugins/logstash-input-tcp/pull/240[#240]

*Kafka Integration - 11.8.1*

* Upgrade lz4 dependency https://github.com/logstash-plugins/logstash-integration-kafka/pull/213[#213]
* Deprecate partitioner `default` and `uniform_sticky` options https://github.com/logstash-plugins/logstash-integration-kafka/pull/206[#206]
Both options are deprecated in Kafka client 3 and will be removed in the plugin 12.0.0.
* Add `reconnect_backoff_max_ms` option for configuring kafka client https://github.com/logstash-plugins/logstash-integration-kafka/pull/204[#204]


[[logstash-8-19-9]]
=== Logstash 8.19.9 Release Notes

Expand Down Expand Up @@ -201,7 +241,6 @@ No user-facing changes in Logstash core.
===== ES|QL Support in Elasticsearch Filter (Technical Preview)
* https://github.com/logstash-plugins/logstash-filter-elasticsearch/pull/199[Support for ES|QL queries] in the Elasticsearch filter to add improved flexibility when ingesting data from {es} is now in Technical Preview.


==== Plugins

*Elasticsearch Filter - 3.19.0*
Expand Down Expand Up @@ -3780,4 +3819,4 @@ We have added another flag to the Benchmark CLI to allow passing a data file wit
This feature allows users to run the Benchmark CLI in a custom test case with a custom config and a custom dataset. https://github.com/elastic/logstash/pull/12437[#12437]

==== Plugin releases
Plugins align with release 7.14.0
Plugins align with release 7.14.0