July 2026, Release Update 23.26.3

Included are some notable Oracle AI Vector Search updates with Oracle AI Database 26ai, Release Update 23.26.3.

Feature	Description
Scalar Quantization Support for Distributed HNSW Indexes	Distributed HNSW indexes now support scalar quantization. Scalar quantization enables the compression of vectors into a more compact representation while preserving similarity characteristics. HNSW Distribution on Oracle RAC

Feature

Description

Scalar Quantization Support for Distributed HNSW Indexes

Distributed HNSW indexes now support scalar quantization. Scalar quantization enables the compression of vectors into a more compact representation while preserving similarity characteristics.

HNSW Distribution on Oracle RAC

Parent topic: Oracle AI Database 26ai Release Updates