- Added Facets API for counting unique payload values and Distance Matrix API for many‑to‑many vector distance calculations.
- Switched to memory‑mapped vector storage by default, enabled sparse snapshots, added on‑disk offloading for text and geo indexes, triggered optimizers on snapshot upload, and introduced instant Raft leader election for single‑node clusters.
- Fixed shard removal to be atomic and enhanced Web UI graph visualization and interactivity.