- Added many new features: prevent deletion of snapshots backing searchable snapshots, max shard size for shrink API, request‑level durability via remote translog, weighted routing versioning, dynamic default replica count and health per a...
- Introduced experimental extensions support, auto‑release workflow, CI bundle pattern, and extended backward compatibility for searchable snapshots.
- Fixed bugs (wildcard case‑sensitivity, graph filter errors, cluster manager throttling during bootstrap, snapshot restore exclusions) and deprecated the fuzziness interface on query builders.
2.5.0
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Added APIs for modifying data stream backing indices, multivalue doc count aggregation, and Hive pull‑based ingestion.