- Added Azure Managed Identity support, a new "wildcard" field type, query‑level resource usage tracking, dynamic pruning for cardinality aggregation, streaming request/response handling, and extensive Remote Store enhancements (routing ta...
- Introduced new observability metrics including leader/follower failure counters, latency metrics, top‑N query exporter with CPU/memory metrics, and telemetry injection for plugins.
- Implemented various bug fixes (e.g., NPE on snapshot restore, duplicate shard batching, request cache cleanup errors) and performed numerous dependency upgrades.
2.15.0
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Added APIs for modifying data stream backing indices, multivalue doc count aggregation, and Hive pull‑based ingestion.