# VectorChord Engineering Blog & Releases

> Engineering deep-dives on RaBitQ quantization, billion-scale PostgreSQL vector search benchmarks, BM25 ranking, ColBERT late interaction, and release announcements.

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LLMS index: [llms.txt](/llms.txt)

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Section pages:

- [Engineering & Deep Dives](/blog/post/): Technical articles on RaBitQ quantization, DiskANN vs HNSW, hybrid BM25 search, ColBERT reranking, and large-scale PostgreSQL vector benchmarks.
- [Release Notes](/blog/release/): Official release announcements and feature highlights for VectorChord and pgvecto.rs.

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Backlinks:

- [About](/about/)