- Added full search pipeline support with a new processor type, global ignore‑failure option, partial results for concurrent segment search, node‑stats output, and a distributed tracing framework including persistent ThreadContext headers.
- Introduced task cancellation monitoring, a TokenManager interface, async remote‑cluster connections, remote store as a segment replication source, dynamic settings for concurrent segment search, descending‑order read optimization, and ZS...
- Upgraded core dependencies (Lucene 9.7.0, JDK 20+ vector module, many libraries) and fixed critical bugs such as the painless casting crash, NPE in multi‑terms aggregations, mapping char‑filter issues, and enforced secure string‑setting ...
2.9.0
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Added APIs for modifying data stream backing indices, multivalue doc count aggregation, and Hive pull‑based ingestion.