HighDeprecation
Amazon OpenSearch Service Deprecating OpenSearch 3.5
Action Required
Applications relying on OpenSearch 3.5 will no longer function after March 17, 2026, necessitating a migration to a supported version.
AI Impact Summary
Amazon OpenSearch Service is deprecating support for OpenSearch version 3.5, with a final end-of-life date of March 17, 2026. This requires users to migrate to newer versions (3.4 or later) to avoid service disruption. The deprecation includes new features like GPU acceleration for vector indexes and auto-optimize, highlighting the importance of proactive migration planning.
Amazon OpenSearch Service Deprecating OpenSearch 3.5
Affected Systems
OpenSearch
- Date
- 17 Mar 2026
- Change type
- deprecation
- Severity
- high