engineering

10 stories

Stories

PathSeer: Adaptive Filtered Vector Search
Weaviate 1.40 adds PathSeer, a third HNSW filter strategy from a SIGMOD 2026 paper, contributed by the paper's first author. How it works, and how it compares to sweeping and ACORN.
WeaviateOct 14, 202611 min read
4-bit Rotational Quantization
4-bit Rotational Quantization in Weaviate 1.39: the SIMD performance work, a centered tier, scaling analysis and a TurboQuant comparison.
WeaviateSep 17, 202610 min read
HFresh: Memory-Efficient Vector Search
HFresh is Weaviate's disk-based vector index for memory-efficient vector search, combining low heap usage with incremental background maintenance.
WeaviateSep 9, 202612 min read
Weaviate 1.39 Release
Weaviate 1.39 promotes the Boost API and MMR diversity selection to GA, previews 4-bit Rotational Quantization, and ships an experimental Search REST API.
WeaviateAug 27, 202615 min read
Query Profiling: See Where a Slow Query Spends Its Time
When a Weaviate query is slow, the first question is where the time went. Query profiling returns a per-stage, per-shard timing breakdown, making query performance issues visible.
WeaviateJul 21, 20269 min read
Weaviate 1.38 Release
This release brings the HFresh disk-based vector index and the built-in MCP Server to general availability, rebuilds cluster-wide async replication to run from a single scheduler (on by default), and adds two previews: the Boost API and Nested Object Filtering.
WeaviateJun 25, 20267 min read
Import & Vectorize Data with Weaviate at Scale
Server-side batching, retries, the blobHash data type, and multimodal ingestion — what to use when, with code.
WeaviateJun 18, 202610 min read
Build a Coding Assistant with Weaviate MCP: RAG over Code & Docs
Use Weaviate's built-in MCP server to give Claude Code, Cursor, and VS Code hybrid search over your codebase and docs. No glue code.
WeaviateMay 21, 202617 min read
Text Analysis for Hybrid Search: Tokenization, Stopwords & Accent Folding
Tokenization makes or breaks hybrid search. See how Weaviate's accent folding, custom stopwords, and /v1/tokenize endpoint power multilingual BM25.
WeaviateMay 14, 202611 min read
Weaviate 1.37 Release
This release introduces the built-in MCP Server, Extensible Tokenizers, Diversity Search (MMR), and Query Profiling as previews, along with Incremental Backups, Gemini audio support for multi2vec-google, and the new BlobHash property type.
WeaviateApr 23, 202611 min read

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