Weaviate 1.20 Released

* Multi-tenancy – A scalable, efficient and easy solution for use-cases with many tenants per Weaviate cluster.

* PQ + Re-scoring – Product quantization (PQ) allows for faster vector search - now at basically no cost to accuracy!

* Autocut – A new way to set a threshold - set how many groups of results to retrieve from the result set.

* Search re-ranking – Multi-stage search (& re-ranking) for better end results. Multiple re-rankers available!

* New hybrid search ranking algorithm – Additional method available for deriving hybrid search scores.