Embeddings & Vector Searchpgvector project
pgvector 0.5.0 adds HNSW indexes
HNSW index added in pgvector 0.5.0
Why it matters
HNSW became usable in an existing RDB without a dedicated vector DB, directly affecting the shape of the vector DB market
Source — Primary sources first; secondary reports are labelled “Press”
Officialraw.githubusercontent.comhttps://raw.githubusercontent.com/pgvector/pgvector/master/CHANGELOG.mdAdded in Week 35, 2026 · See that week