v1.5.2

sergeyzwezdin/hubav1.5.2Jun 11, 2026by danielaskdd

AI Summary

Standardizes the parser engine interface and fixes critical issues with Neo4j label search, multimodal control characters, and LaTeX escape damage in JSON responses.

Key Highlights

Standardize parser engine interface with registration mechanism
Fix Neo4j label search by sanitizing Lucene reserved chars
Fix multimodal XML-illegal control chars
Repair LaTeX escape damage in LLM JSON responses

Breaking Changes

Remove the deprecated docs_format='lightrag' enqueue entrypoint

New Features

Standardized parser engine interface

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