v1.5.2

higress-group/higressv1.5.2Jun 11, 2026by danielaskdd

AI Summary

This release standardizes the parser engine interface and removes deprecated functionality, while fixing issues related to Neo4j queries, XML parsing, and LaTeX formatting.

Key Highlights

Standardized parser engine interface with third-party support
Removal of deprecated docs_format='lightrag' enqueue entrypoint
Fixes for Neo4j Lucene reserved characters and LaTeX escape damage

Breaking Changes

Removal of the deprecated docs_format='lightrag' enqueue entrypoint

New Features

Parser engine standardization

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