- Added GroupBy, UUID payload index, on-disk support for scalar indexes and random sampling to the Query API; introduced score‑fusion, data locality and prefetch performance improvements; made scroll and retrieve operations cancellable wit...
- Improved storage efficiency with persistent immutable and in‑memory ID trackers, RocksDB LZ4 compression, expanded CPU telemetry, and ensured long‑running updates no longer block reads while preserving result order in replicated responses.
- Fixed NaN scoring, payload update bugs, Chinese tokenization issues, added missing metric whitelist and retrieve timeout APIs; Web UI now features a graph‑based collection explorer and real‑time search quality tool.