Amazon OpenSearch Service now supports OpenSearch version 2.15

The article announces that Amazon OpenSearch Service now supports OpenSearch version 2.15, which includes several improvements in search performance, query optimization, and capabilities for building AI-powered applications.

Specifically, the article covers:

• Radial search for searching points within a specified distance or score threshold, useful for applications like anomaly detection and geospatial searches
• Performance optimizations like two-phase processor for neural sparse search, conditional scoring logic, and optimized data handling for hybrid search
• Reindex workflow to enable vector and hybrid search on existing indexes without re-indexing
• Remote models for detecting harmful, offensive, or inappropriate content
• ML inference processor for enriching ingest pipelines using pretrained models
• Information on upgrading to OpenSearch 2.15 and availability in all AWS regions