Elasticsearch: v8.19.19 Release

71 Commits in this Release

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

[8.19] Fix data stream privilege checking (#148179) (#152619)

Authored July 2, 2026

[8.19] Migrate :docs yamlRestTest to rule-based test cluster (#147923) (#148638)

Authored July 14, 2026

[8.19] Migrate eql mixed cluster tests to junit rule based test-cluster framework (#149258) (#153855)

Authored July 14, 2026

Fix inlinestats double release [backport 8.19] (#153731)

Authored July 14, 2026

Apply search timeout to the DFS phase query rewrite (#153479) (#153760)

Authored July 14, 2026

[8.19] [Gradle] Simplify build tool test setup (#152919) (#152979)

Authored July 7, 2026

[8.19] improve simulate bulk action authz (#152148) (#152264)

Authored June 26, 2026

[ML] Wait for up to 2 seconds for yellow status before starting search (#115938) (#153002)

Authored July 6, 2026

[ML] Make test data deterministic (#146423) (#152151)

Authored June 26, 2026

[8.19] Upgrade Jackson to 2.18.8 (#152163) (#153460)

Authored July 9, 2026

Fix entitlement StructuredTaskScope instrumentation on Java 27 (#151716) (#152568)

Authored June 30, 2026

Backport partial snapshot change to 8.19 (#153816)

Authored July 14, 2026

Aggs: Avoid OOMs by accounting memory on cardinality agg reduction phase (#152773) (#152995)

Authored July 7, 2026

[8.19] [Inference API] Prevent overriding secret_parameters (#153309) (#153447)

Authored July 10, 2026

Fix under-count in LuceneCountOperator (#151822) (#153701)

Authored July 13, 2026

Prune changelogs after 8.19.18 release

Authored June 30, 2026

[8.19] [ML] Fix concurrent job creation race condition (#145158) (#153020)

Authored July 7, 2026

[8.19] Make AzureClientProvider shutdown synchronous (#151920) (#153754)

Authored July 14, 2026

Bump versions after 8.19.18 release

Authored June 30, 2026

[Transform] Wait for task cleanup (#150129) (#153033)

Authored July 6, 2026

[Inference API] Bumping commons-text library version to match commons.lang3 (#152092) (#152337)

Authored June 26, 2026

[8.19] Stabilize Mistral not-found unit test (#152418)

Authored June 29, 2026

[8.19] Fix assertion (#152476) | Fix summary in change log (#152519) (#152535)

Authored June 30, 2026

[CI] Fix intake agents after version bump reverted changes (#153027) (#153037)

Authored July 6, 2026

Add more defensive protections when parsing query_string (#152385) (#152466)

Authored June 30, 2026

Rename `LegacyActionRequest` → `UntypedActionRequest` (#152618)

Authored July 6, 2026

Sort DFA reindex by _doc for stable train/test split (#145167) (#153116)

Authored July 7, 2026

Add start/end logging to GCS mock handler (#153851)

Authored July 14, 2026

[8.19] Fix SearchWithRandomIOExceptionsIT testRandomDirectoryIOExceptions (#152409)

Authored June 30, 2026

[ML] Fix test ClassificationIT#testWithOnlyTrainingRowsAndTrainingPercentIsFifty_DependentVariableIsKeyword (#144917) (#153018)

Authored July 6, 2026

Add comments to `TransportService#sendRequest` (#153955)

Authored July 15, 2026

[Gradle] Set tmp dir for build integ tests explicitly (#152833) (#153382)

Authored July 9, 2026

Fix snapshot creation on CIFS shares in case of access denied exception (#153219) (#153249)

Authored July 9, 2026

Avoid dense run-len allocation in HLL (#152035) (#153597)

Authored July 13, 2026

Fix ExchangeServiceTests (#150947) (#153716)

Authored July 13, 2026

Relax thread assertion in ES|QL DataNodeRequestSender on cancel (#150954) (#153707)

Authored July 13, 2026

Fix testExchangeSourceContinueOnFailure (#150936) (#153717)

Authored July 14, 2026

[Docs] Document MongoDB datetime_conversion connector setting (8.19) (#153639)

Authored July 14, 2026

[8.19] [Build] Migrate transform multinode tests to testcluster framework (#150330) (#153844)

Authored July 14, 2026

[Gradle] Use binary distro for gradle wrapper (#153802) (#153858)

Authored July 14, 2026