Release notes
Key features, improvements and bug fixes in the latest releases.
v0.5.0
Released on December 18, 2024.
New features
- Implements a highly available architecture based on shared storage, featuring one write node and multiple read nodes.
- Implements 8-bit scalar quantization and product quantization in the IVF index.
- Supports using Hamming distance as metric when matching/searching binary vectors.
- Implements query result caching and pagination.
- Supports specifying comments when creating database or index.
- Supports regular expressions (regex), including md5,substring, lower, upper, ltrim, rtrim, trim, char_posiition, sqrt, round, ceil, floor, IN, isnan, isinf, and isfinite
- Enhances the search performance for full-text searches with multiple terms/clauses.
- Supports using
MinimumShouldMatch
as a full-text filter. - When using BM25 for full-text search or using L2/IP/Cosine distance metric for dense vector, sparse vector, or tensor search, you can use the
threshold
option to filter results. - Supports ARM64 CPUs.
- Tokenizers: Adds an IK analyzer and enhances the performance of the RAG analyzer.
- Integrated into RAGFlow.