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v1.3.4

HKUDS/LightRAGv1.3.4Apr 26, 2025by LarFii

AI Summary

WebUI enhancements including Markdown/Mermaid support and PostgreSQL query performance improvements.

Key Highlights

  • Added Markdown & Mermaid support for WebUI
  • Added custom tokenizer support
  • Added query mode prefix support in retrieval test
  • Improved PostgreSQL AGE query speed with customized BFS implementation
  • Improved parallel handling for documents processing
  • Fixed dead lock problem for FAISS vector storage

New Features

  • Markdown & Mermaid support
  • Custom tokenizer
  • Query mode prefix support
  • PostgreSQL query optimization
  • Parallel document processing
  • FAISS deadlock fix

Full Release Notes

## What's Changed
* Feat: Add Markdown & Mermaid support for WebUI by @choizhang in https://github.com/HKUDS/LightRAG/pull/1426
* Feat: add custom tokenizer by @drahnreb in https://github.com/HKUDS/LightRAG/pull/1396
* Feat: Add query mode prefix support in retrieval test of WebUI by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1433
* Improve PostgreSQL AGE query speed by write a customized BFS implementation by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1446
* Improve parallel handling for documents processing by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1447
* Postpond mermaid rendering untill streaming streaming respond stopped. by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1453
* Hot Fix: solved dead lock problem for FAISS vector storage by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1465
* Prioritize high-degree neighbors in BFS traversal for NetoworkX storage by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/1468
* fix: correct parentheses. `system_prompt` was never formatted. by @drahnreb in https://github.com/HKUDS/LightRAG/pull/1402
* fix: add miss key for ainsert_custom_chunks by @zhudongwork in https://github.com/HKUDS/LightRAG/pull/1389
* feat: PGKVStorage add get_all() by @zhudongwork in https://github.com/HKUDS/LightRAG/pull/1392
* fix streaming "list index out of range" by @Enoughappens in https://github.com/HKUDS/LightRAG/pull/1409
* refactor(lightrag): Optimize error handling and logging by @stevezhangishero in https://github.com/HKUDS/LightRAG/pull/1393
* Update prompt.py by @cywzl in https://github.com/HKUDS/LightRAG/pull/1422
* feat: Add `aget_docs_by_ids` to check document processing status by @earayu in https://github.com/HKUDS/LightRAG/pull/1419
* use a single parameter placeholder for the array; by @OxidBurn in https://github.com/HKUDS/LightRAG/pull/1427
* Revise the context format of chunks from CSV to JSON to enhance compatibility with LLM by @Inighty in https://github.com/HKUDS/LightRAG/pull/1412
* Update postgres_impl.py by @widgit in https://github.com/HKUDS/LightRAG/pull/1431
* Friendly implementation of entity extraction and relationship weight extract for Low-Capability LLMs by @tackhwa in https://github.com/HKUDS/LightRAG/pull/1423
* Update README-zh.md by @feeingHe in https://github.com/HKUDS/LightRAG/pull/1466

## New Contributors
* @drahnreb made their first contribution in https://github.com/HKUDS/LightRAG/pull/1402
* @Enoughappens made their first contribution in https://github.com/HKUDS/LightRAG/pull/1409
* @stevezhangishero made their first contribution in https://github.com/HKUDS/LightRAG/pull/1393
* @cywzl made their first contribution in https://github.com/HKUDS/LightRAG/pull/1422
* @Inighty made their first contribution in https://github.com/HKUDS/LightRAG/pull/1412
* @widgit made their first contribution in https://github.com/HKUDS/LightRAG/pull/1431
* @feeingHe made their first contribution in https://github.com/HKUDS/LightRAG/pull/1466

**Full Changelog**: https://github.com/HKUDS/LightRAG/compare/v1.3.3...v1.3.4