Elasticsearch: v8.19.22 Release

84 Commits in this Release

Ordered by the degree to which they evolved the repo in this version.

Rework TrashingByteBufAllocator (#158440) (#159435)

Authored September 16, 2026

[8.19] msearch/template parity with msearch: memory bounds, cancellation, metrics (#157642) (#158558)

Authored September 7, 2026

[8.19] Bump jackson to 2.21.6 (#157295) (#158549)

Authored September 9, 2026

Prune changelogs after 8.19.21 release

Authored September 3, 2026

fix(highlighting): Allow `max_analyzed_offset` to be set to `-1` to default to `index.highlight.max_analyzed_offset` (#157381)

Authored August 28, 2026

[8.19] Add an option to limit the number of characters in analyze filters (#158713) (#158856)

Authored September 10, 2026

Use LimitedCharSequence for limiting the reads of chunk separator regexes (#158743) (#159363)

Authored September 16, 2026

Release fetch-source request breaker bytes (#158734)

Authored September 10, 2026

Add release notes for v8.19.21 release (#158012)

Authored September 1, 2026

[8.19] Fix ST_DISTANCE with both args from doc-values (#157983) (#159195)

Authored September 15, 2026

DataStreamAutoShardingService.calculate() works on stale data [#134505] (#157634) (#158248)

Authored September 1, 2026

[CI] Resolve ml-cpp artifacts via DRA build id (#158568) (#159111)

Authored September 11, 2026

[8.19] Cap min_hash filter params to prevent overflow and OOM (#158300)

Authored September 1, 2026

Fix interrupt deadlock in `CancellableRateLimitedFluxIterator` (#159075)

Authored September 11, 2026

[8.19] [CI] Make the example-plugins Adoptium JDK 17 swap reach GradleRunner (#158822)

Authored September 11, 2026

Netty upgrade 4.1.137.Final (#157348) (#159559)

Authored September 17, 2026

[8.19] Update .gitignore (#158551)

Authored September 4, 2026

[CI] Publish maven aggregation zip to DRA S3 (#157479) (#158921)

Authored September 10, 2026

[8.19] Fix rolling upgrade source version (#158583)

Authored September 10, 2026

[8.19] Unmute testBottomFieldSort by removing flaky assertion (#158680)

Authored September 7, 2026

[8.19] Bump Jakarta Mail to 1.6.8 (#133240) (#158317)

Authored September 1, 2026

Test fix: increase the timeout when waiting for index rollover by ILM (#158265)

Authored September 1, 2026

[8.19] JDK 27 EA compatibility fixes (#157055) (#159510)

Authored September 16, 2026

Update wolfi (versioned) (#158312)

Authored September 2, 2026

fix stackoverflow when authorizing LDAP users with large group membership (#158564) (#159181)

Authored September 15, 2026

[8.19] Parse inner KNN queries as inner queries, so the context is not lost (#158836) (#158846)

Authored September 9, 2026

Mute org.elasticsearch.xpack.ml.integration.PyTorchModelIT testUpdateDeployment_GivenAllocationsAreIncreasedOverResources_AndScalingIsPossible #158438

Authored September 3, 2026

Mute org.elasticsearch.upgrades.ApiKeyBackwardsCompatibilityIT testCreatingAndUpdatingApiKeys {upgradedNodes=1} #158101

Authored September 13, 2026

Mute org.elasticsearch.xpack.esql.heap_attack.ManyRequestsIT testCancelTailRequest #153203

Authored September 14, 2026

Mute org.elasticsearch.xpack.security.authc.esnative.ReservedRealmIntegTests testChangingPassword #159018

Authored September 11, 2026

Mute org.elasticsearch.script.mustache.MultiSearchTemplateIT testLargeMsearchTemplateDoesNotOom #158428

Authored September 10, 2026

Mute org.elasticsearch.xpack.ilm.TimeSeriesLifecycleActionsIT testWaitForSnapshot #159412

Authored September 16, 2026

Mute org.elasticsearch.upgrades.UpgradeClusterClientYamlTestSuiteIT test {p0=mixed_cluster/90_ml_data_frame_analytics_crud/Explain data frame analytics} #157943

Authored September 12, 2026

Mute org.elasticsearch.xpack.esql.action.CrossClusterQueryWithPartialResultsIT testFailToStartRequestOnRemoteCluster #159134

Authored September 12, 2026

Mute org.elasticsearch.upgrades.UpgradeClusterClientYamlTestSuiteIT test {p0=mixed_cluster/90_ml_data_frame_analytics_crud/Start and stop old regression job} #157941

Authored September 12, 2026

Mute org.elasticsearch.client.RestClientSingleHostIntegTests testRequestResetAndAbort #156177

Authored September 11, 2026

Mute org.elasticsearch.upgrades.ApiKeyBackwardsCompatibilityIT testQueryRestTypeKeys {upgradedNodes=2} #159147

Authored September 13, 2026

Mute org.elasticsearch.compute.operator.exchange.ExchangeServiceTests testExchangeSourceContinueOnFailure #157535

Authored September 1, 2026

Mute org.elasticsearch.xpack.esql.action.CrossClusterAsyncQueryStopIT testStopQueryLocal #159132

Authored September 12, 2026

Mute org.elasticsearch.upgrades.CcrRollingUpgradeIT testAutoFollowing #159085

Authored September 11, 2026