- Added new ingest and search pipeline features: fingerprint processor, strict allow‑templates, allowlist for common processors, SortResponseProcessor/SplitResponseProcessor, and query‑group schema/header support.
- Improved performance and reliability with remote store low‑priority rate limiting, date‑histogram rewrite for range aggregations, composite directory integrated with file cache, pre‑computed cluster stats, tiered‑caching lock optimizatio...
- Deprecated bulk API batch‑size parameter, introduced iterative parsers (WKT, FilterPath, Grok), updated cat command help, and applied numerous dependency version bumps.
2.16.0
Official OpenSearch changelog summary with source attribution, release tags, and community reactions.
Track this OpenSearch release note alongside related changelog updates, risky changes, and weekly digest signals from the developer community.
Verify the original release note
Every summary should remain traceable to the original changelog or release source.
Follow this in context
Turn this OpenSearch release note into a weekly digest for the tools you actually use.
Create digestMore OpenSearch changelog updates
Added APIs for modifying data stream backing indices, multivalue doc count aggregation, and Hive pull‑based ingestion.