- Added a 12‑month extension of security and OS patch coverage for legacy Elasticsearch (1.5‑7.8, except 5.6) and OpenSearch (1.0‑1.2, 2.3‑2.9) versions, with an Extended Support surcharge equal to instance pricing starting Nov 7 2026.
- Introduced Standard and Extended Support periods for additional versions (Elasticsearch 6.8, 7.9, 7.10; OpenSearch 1.3, 2.11‑2.19), offering 1‑year or 3‑year coverage and a $0.0065 per NIH surcharge in US‑East.
- Recommends upgrading to the latest OpenSearch release for improved performance, security, and features, and provides links to blog, documentation, and pricing details.
Amazon OpenSearch Service announces additional upgrade runway for existing domains and support dates for additional versions
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