Qdrant 1.19 - TurboQuant Datatype & Memory Tiers

Qdrant 1.19.0 is out! Let’s look at the main features for this version: TurboQuant Datatype: A new storage format that compresses vectors to four bits without keeping their original full-precision representation, reducing storage by up to nine times compared to TurboQuant quantization. Memory Tiers: A single memory parameter unifies per-component memory tier placement, with three tiers: pinned, cached, and cold. Per-Tenant IDF Statistics: Narrow the IDF corpus to a specific tenant so term rarity reflects that tenant’s vocabulary rather than the whole dataset, improving BM25 scoring in multi-te