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AWS opensearch-service documentation change

Service: opensearch-service · 2026-07-04 · Documentation low

File: opensearch-service/latest/developerguide/what-is.md

Summary

Added reference to upgrade documentation for version-specific considerations.

Security assessment

General maintenance update promoting upgrades without specific security content additions.

Diff

diff --git a/opensearch-service/latest/developerguide/what-is.md b/opensearch-service/latest/developerguide/what-is.md
index 3e275c71d..78f132afe 100644
--- a//opensearch-service/latest/developerguide/what-is.md
+++ b//opensearch-service/latest/developerguide/what-is.md
@@ -137 +137 @@ OpenSearch Service supports the following versions of legacy **Elasticsearch** :
-We recommend upgrading to the latest available OpenSearch version to get the best use of OpenSearch Service, in terms of price-performance, feature richness, and security improvements.
+We recommend upgrading to the latest available OpenSearch version to get the best use of OpenSearch Service, in terms of price-performance, feature richness, and security improvements. For information about upgrade paths, breaking changes, and version-specific considerations, see [Upgrading Amazon OpenSearch Service domains](./version-migration.html).