v1.3.2

HKUDS/LightRAGv1.3.2Apr 17, 2025by danielaskdd

AI Summary

This release focuses on performance optimizations for document indexing and graph database queries (Neo4j and PostgreSQL AGE), alongside significant WebUI enhancements including streaming responses, bypass query modes, and traditional Chinese support.

Key Highlights

Enhanced document indexing speed.
Significantly improved query performance for Neo4j and PostgreSQL AGE.
WebUI improvements: Streaming response support, bypass query mode, and traditional Chinese language support.
Bug fixes: Fixed null value handling, document list sorting, and LLM cache return value errors.

New Features

Node/Edge name and description editing in WebUI
Streaming response support for query test in WebUI
Bypass query mode
Traditional Chinese language support
Middle-content matching for graph label search
Environment variable: OPENAI_API_BASE

Full Release Notes

## What's New

**Key improvements: Enhanced document indexing speed. Significantly improved the query performance of Neo4j and PostgreSQL AGE graph storage.**

* Node/Edge name and description can be edited with WebUi  by @choizhang in https://github.com/HKUDS/LightRAG/pull/1364
* Improve Neo4j performance by batching with UNWIND by @frederikhendrix in https://github.com/HKUDS/LightRAG/pull/1341
* Improve PostgreSQL AGE performance by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1383
* Fix node color by node type by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1308
* Add /context query prefix to Ollama model simulation for LightRAG Server by @Exploding-Soda in https://github.com/HKUDS/LightRAG/pull/1305
* Add ENABLE_LLM_CACHE env fix mix_kg_vector_query return value error when only_need_context is enabled by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1318
* Add FORCE_LLM_SUMMARY_ON_MERGE env by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1334
* Add OPENAI_API_BASE env by @QodiCat in https://github.com/HKUDS/LightRAG/pull/1330
* Add middle-content matching for graph label search by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1322
* Only merge new entities/edges during gleaning stage by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1337
* Add streaming response support for query test in WebUI by @choizhang in https://github.com/HKUDS/LightRAG/pull/1331
* Add bypass query mode by @choizhang in https://github.com/HKUDS/LightRAG/pull/1338
* Optimize: Use python-docx for better parsing. by @zhudongwork in https://github.com/HKUDS/LightRAG/pull/1345
* Locales: add traditional Chinese language support  by @iLuJack in https://github.com/HKUDS/LightRAG/pull/1359
* Cancel pending tasks when any chunk processing fails by @danielaskdd

## Bug fixed
* Fix mix_kg_vector_query return value error when only_need_context is enabled by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1318
* Fixed null value handling and ensure exceptions are avoided by @IcySugar000 in https://github.com/HKUDS/LightRAG/pull/1315
* Fix document list sorting problem while filter is off by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1326
* Fix: LLM cache now work for nodes and edges merging by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1328
* Fixes a bug where file_path was not present dictionary  by @FeHuynhVI in https://github.com/HKUDS/LightRAG/pull/1304
* Fix error when running caused by `global_args.timeout` being None by @HyuPete in https://github.com/HKUDS/LightRAG/pull/1333
* Fix grammar and typo in LightRAG Server REAEME.md by @earayu in https://github.com/HKUDS/LightRAG/pull/1329
* Fix history turns not working for query test in WebUI by @choizhang in https://github.com/HKUDS/LightRAG/pull/1332
* Fix the issue where PostgresSQL AGE cannot handle content containing backslashes by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1360
* Add graph_db_lock to ensure consistency across multiple processes for node and edge edition jobs by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1367
* Fix: LLM cache not saving anymore while enable_llm_cache is disabled by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1377
* Fix PostgreSQL subquery in FROM missing alias by @superhuahua in https://github.com/HKUDS/LightRAG/pull/1375

## New Contributors
* @IcySugar000 made their first contribution in https://github.com/HKUDS/LightRAG/pull/1298
* @Exploding-Soda made their first contribution in https://github.com/HKUDS/LightRAG/pull/1305
* @HyuPete made their first contribution in https://github.com/HKUDS/LightRAG/pull/1333
* @earayu made their first contribution in https://github.com/HKUDS/LightRAG/pull/1329
* @QodiCat made their first contribution in https://github.com/HKUDS/LightRAG/pull/1330
* @zhudongwork made their first contribution in https://github.com/HKUDS/LightRAG/pull/1345
* @frederikhendrix made their first contribution in https://github.com/HKUDS/LightRAG/pull/1341
* @iLuJack made their first contribution in https://github.com/HKUDS/LightRAG/pull/1359
* @superhuahua made their first contribution in https://github.com/HKUDS/LightRAG/pull/1375

**Full Changelog**: https://github.com/HKUDS/LightRAG/compare/v1.3.1...v1.3.2