Version 2.19.0.0 Release Notes
Compatible with OpenSearch 2.19.0
Features
- Pagination in Hybrid query (#1048)
- Implement Reciprocal Rank Fusion score normalization/combination technique in hybrid query (#874)
Bug Fixes
- Address inconsistent scoring in hybrid query results (#998)
- Fix bug where ingested document has list of nested objects (#1040)
- Fixed document source and score field mismatch in sorted hybrid queries (#1043)
- Update NeuralQueryBuilder doEquals() and doHashCode() to cater the missing parameters information (#1045).
- Fix bug where embedding is missing when ingested document has "." in field name, and mismatches fieldMap config (#1062)
Enhancements
- Explainability in hybrid query (#970)
- Support new knn query parameter expand_nested (#1013)
- Implement pruning for neural sparse ingestion pipeline and two phase search processor (#988)
- Support empty string for fields in text embedding processor (#1041)
- Optimize ML inference connection retry logic (#1054)
- Support for builder constructor in Neural Query Builder (#1047)
- Validate Disjunction query to avoid having nested hybrid query (#1127)