v1.5.2

nats-io/nats-serverv1.5.2Jun 11, 2026by danielaskdd

AI Summary

A core engine update for LightRAG that standardizes the parser interface and fixes critical bugs in Neo4j search, multimodal processing, and LaTeX handling.

Key Highlights

  • Standardized parser engine interface with a registration mechanism.
  • Fixed Neo4j label search by sanitizing Lucene reserved characters.
  • Repaired LaTeX escape damage in LLM JSON responses.
  • Removed deprecated `docs_format='lightrag'` enqueue entrypoint.

Breaking Changes

  • Removed the deprecated `docs_format='lightrag'` enqueue entrypoint

New Features

  • Standardized parser engine interface with registration mechanism

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