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v1.5.2

HKUDS/LightRAGv1.5.2Jun 11, 2026by danielaskdd

AI Summary

Standardizes the parser engine interface and removes deprecated code, focusing on security and stability improvements.

Key Highlights

  • Standardized parser engine interface with registration mechanism
  • Security fixes for Neo4j Lucene characters and XML control chars
  • Removal of deprecated docs_format entrypoint

Breaking Changes

  • Removal of the deprecated docs_format="lightrag" enqueue entrypoint

New Features

  • Standardized parser engine interface
  • Parser security sanitization
  • LaTeX escape repair in LLM responses

Full Release Notes

## What's New

* feat(parser): standardize the parser engine interface through a registration mechanism with support for third-party parsers by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3235

## What's Changed

* 🐛 fix(neo4j): sanitize Lucene reserved chars in label search by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3233
* fix(multimodal): strip XML-illegal control chars before they reach the graph by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3237
* fix: repair LaTeX escape damage in LLM JSON responses (multimodal analysis & entity extraction) by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3238
* fix(pipeline): map parse-stage failures onto the legacy error-document UI fields by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3239
* refactor(pipeline)!: remove the deprecated docs_format="lightrag" enqueue entrypoint by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3240

**Full Changelog**: https://github.com/HKUDS/LightRAG/compare/v1.5.1...v1.5.2