OPENSEARCH-3.3.1 release notes and known issues

3.3.1

Scope: OpenSearch. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.

Summary

Version 3.3.1 Release Notes OpenSearch 3.3.1 Only. Fixed Fix issue with updating core with a patch number other than 0 ( #19377 ) [Star Tree] Fix sub-aggregator casting for search with profile=true ( #19652 ) Fix bwc @timestamp upgrade issue by adding a version check on skip_list param ( #19671 )

Improvements and security content

Version 3.3.1 Release Notes OpenSearch 3.3.1 Only. Fixed Fix issue with updating core with a patch number other than 0 ( #19377 ) [Star Tree] Fix sub-aggregator casting for search with profile=true ( #19652 ) Fix bwc @timestamp upgrade issue by adding a version check on skip_list param ( #19671 )

Known issues

Publisher statement

Not stated. The verified publisher record does not contain a known-issues statement.

Affected products and versions

Products

OpenSearch

Affected versions

3.3.1

Fixed versions or updates

No fixed version is stated in this record.

Recommended action

Review the official publisher document before deployment.

Official publisher evidence

OPENSEARCHVERIFIED

3.3.1

Checked 29 Sep 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.

Open the official publisher source