- Introduced Namespaces with control‑plane isolation, suspend handling, local roles, and API‑key masking for multi‑tenant clusters
- Added new endpoints and capabilities: gRPC‑web, dedicated Search REST API, Hybrid MMR, 4‑bit Rotational Quantization, drop‑vector index support, and schema reindexing with GA API redesign
- Applied extensive BM25/BlockMax performance improvements and bug fixes, plus async replication optimizations and stability fixes
v1.39.0 - Namespaces, RQ4, Hybrid MMR, Alter Schema, gRPC web, Search REST API
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Bound digest RPC memtable snapshots to the requested key range and improved async replication performance by negotiating binary digest encoding and carrying byte ID digests end‑to‑end.
Added new REST search endpoints (bm25, hybrid, near object, aggregate counts) and backup role inclusion feature.
Fix async replication handling, including local resolution of replicas, leaked goroutine fixes, and proper tenant restoration on failures.