Version: v0.5.2

Release notes

Key features, improvements and bug fixes in the latest releases.

v0.5.0

Released on December 18, 2024.

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.