- Experimental vector search added, allowing storage of embeddings and nearest‑vector queries via new /experimental features endpoint.
- New ranking score parameters (showRankingScore, showRankingScoreDetails) expose per‑document relevance scores and rule‑by‑rule breakdown.
- Facet enhancements: searchable facet values endpoint, ability to sort facets by count, and attributesToSearchOn to restrict searchable fields.