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v1.4.9.1

HKUDS/LightRAGv1.4.9.1Oct 3, 2025by danielaskdd

AI Summary

Enhances the WebUI with KaTeX support for chemical formulas, fixes dark mode graph labels, and forces sending history messages in bypass mode.

Key Highlights

  • Add KaTeX chemical formula rendering support
  • Prevent LaTeX Parsing Errors During Streaming
  • Fix dark mode graph labels for system theme
  • Force sending history messages in bypass mode

New Features

  • KaTeX chemical formula rendering
  • Force sending history messages in bypass mode
  • Fixed dark mode graph labels

Full Release Notes

## What's Changed
* Feature(webui): Add KaTeX chemical formula rendering by supporting mhchem extension by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/2154
* Feat(webui): Prevent LaTeX Parsing Errors Show-up During Streaming by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/2155
* Fix dark mode graph labels for system theme and improve colors by @roman-marchuk in https://github.com/HKUDS/LightRAG/pull/2163
* web_ui: check node source and target by @zl7261 in https://github.com/HKUDS/LightRAG/pull/2156


**Full Changelog**: https://github.com/HKUDS/LightRAG/compare/v1.4.9...v1.4.9.1