version: 9.1.9
released: true
generated: 2025-12-19T09:42:35.260909966Z
changelogs:
  - pr: 132536
    summary: Avoid stack overflow in `IndicesClusterStateService` `applyClusterState`
    area: Cluster Coordination
    type: bug
    issues: []
  - pr: 136732
    summary: Added logic for individual shard failure handling for `CompoundRetrieverBuilder` and fixed how partial search results flag is passed through to `CompoundRetrieverBuilder`
    area: Search
    type: bug
    issues: []
  - pr: 137511
    summary: Fixes esql class cast bug in STATS at planning level
    area: ES|QL
    type: bug
    issues:
      - 133992
      - 136598
  - pr: 137558
    summary: Improve security migration resilience by handling version conflicts
    area: Security
    type: enhancement
    issues: []
  - pr: 138115
    summary: GET /_migration/deprecations doesn't check disk watermarks against correct settings values
    area: Infra/Core
    type: bug
    issues:
      - 137005
  - pr: 138126
    summary: Improving performance of stats APIs when the number of shards is very large
    area: Stats
    type: bug
    issues:
      - 97222
  - pr: 138583
    summary: "Fix: Correctly pickup MRT value for `msearch`'s search requests"
    area: CCS
    type: bug
    issues: []
  - pr: 138624
    summary: Handle individual doc parsing failure in bulk request with pipeline
    area: Ingest Node
    type: bug
    issues:
      - 138445
  - pr: 138632
    summary: Correctly handle empty inputs in `chunkedInfer()`
    area: Machine Learning
    type: bug
    issues: []
  - pr: 138806
    summary: Bump lz4 dependency
    area: Infra/Core
    type: upgrade
    issues: []
  - pr: 138854
    summary: Upgrade ECS logging layout
    area: Infra/Logging
    type: upgrade
    issues: []
  - pr: 138869
    summary: Fix multi fields in downsampling
    area: Downsampling
    type: bug
    issues: []
  - pr: 139028
    summary: More reliable trigger for security index migration
    area: Security
    type: bug
    issues: []
  - pr: 139080
    summary: "[ES|QL] Compare query builders using identity"
    area: ES|QL
    type: bug
    issues: []
  - pr: 139267
    summary: Upgrading tika to 3.2.3
    area: Ingest Node
    type: upgrade
    issues: []
  - pr: 139413
    summary: "[Inference API] Use dimensions field in JinaAI `text_embedding` requests"
    area: Inference
    type: bug
    issues: []
