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Elasticsearch version 8.19.16

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Elasticsearch version 8.19.16

Also see Breaking changes in 8.19.

Bug fixes

Aggregations

Aggs: Fix auto_date_histogram/date_histogram inside a global agg #147427 (issue: #92570)
Fix ArrayIndexOutOfBoundsException in date_histogram with hard_bounds outside data #148765 (issue: #148763)

CCR

Fix CCR follow to handle indexing_complete race #145304

Distributed

Fix FsBlobContainer.moveBlobAtomic fallback on CIFS filesystems #148777 (issue: #148811)
Fix race in FsBlobContainer.moveBlobAtomic by replacing move op with hard link #147405 (issue: #147171)

ES|QL

Create new block when filter OrdinalBytesRefBlock #136444 (issue: #136423)
Deep copy BytesRef when creating a constant vector block #141242 (issues: #140615, #140809, #140621)
Do not enable doc-partitioning for count #143544 (issue: #134512)
Fix ArrayIndexOutOfBoundsException in centroid grouping evaluateFinal #148815 (issue: #141318)
Fix FROM *_logs index name validation #149395 (issue: #146073)
Fix _index LIKE with ? wildcard #147462 (issue: #146364)
Fix alias id when drop all aggregates #135247
Use search threadpool for coordination in ES|QL #149034

Inference

[Inference API] Fixing potential NPE if InferenceContext is null #148921

Infra/Core

Fix potential OOME on SearchResponse#toString() for extemely large responses #147267
Use toTruncatedString in chunked objects toString #147860 (issue: #143694)

Infra/Node Lifecycle

Fix readiness edge case on startup #140791 (issue: #136955)

SQL

Fix REPLACE with empty pattern #148616

Search

Fix: correctly serialise sparse field pruning options in mixed cluster scenarios #147823
Pass CircuitBreakingException through SearchExecutionContext#toQuery #148607

Transform

Exclude clusters in license check #143146 (issues: #114514, #114509)
Only run next search once #148268 (issue: #147716)
Propagate deprecation warnings #147934 (issues: #82935, #82936)

Watcher

Clear watch schedules when starting trigger engine #145325 (issues: #137562, #131964)
Fix race in TickerScheduleTriggerEngine by checking watcher to node allocation #147678 (issue: #146874)

Upgrades

Infra/Logging

Upgrade to log4j 2.26.0 #132166 (issue: #132035)

Packaging

Update bundled JDK to Java 26.0.1 #147424

Security

Update elastic-apm-agent-java8 to 1.55.6 #148271

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