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v1.5.1

abhigyanpatwari/GitNexusv1.5.1Jun 9, 2026by danielaskdd

AI Summary

Updated the entity-relation extraction prompt to remove few-shot examples to prevent LLM contamination, added query cancellation, and improved chunking strategies with heading breadcrumbs.

Key Highlights

  • Updated extraction prompt to remove few-shot examples to prevent LLM contamination
  • Added query cancellation with a Stop button
  • Enhanced chunking by injecting split-table headers and freezing slices
  • Added section heading breadcrumbs to extraction prompts

New Features

  • Added query cancellation with Stop button
  • Injected split-table headers at split time
  • Injected section heading breadcrumb into extraction prompts

Full Release Notes

## Importance Notes

To prevent weaker LLMs from inadvertently incorporating few-shot examples from the prompt into the extraction results, the official **entity-relation extraction prompt has been updated in the current version by removing the few-shot examples**. Empirical evaluation on the Qwen3-30B model shows no degradation in extraction quality. However, users are advised to monitor performance carefully on their specific LLMs to ensure consistent results.

To modify the system's default behavior, provide entity types and example prompt texts via env var `ENTITY_TYPE_PROMPT_FILE`.

## What's New

* feat(query): optionally send chunk heading path to the LLM by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3211
* ✨ feat(chunker): inject split-table headers at split time, freeze split slices by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3218
* feat(extract): inject section heading breadcrumb into extraction prompts by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3225
* Add query cancellation with Stop button by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3227
* ♻️ refactor: make extraction prompt examples format-only by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3231

## What's Changed

* build(deps): update redis requirement from <8.0.0,>=5.0.0 to >=5.0.0,<9.0.0 by @dependabot[bot] in https://github.com/HKUDS/LightRAG/pull/3194
* 🔧 chore(mineru): default MINERU_LOCAL_IMAGE_ANALYSIS to false by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3208
* build(deps): bump the react group in /lightrag_webui with 3 updates by @dependabot[bot] in https://github.com/HKUDS/LightRAG/pull/3199
* build(deps): bump lucide-react from 1.16.0 to 1.17.0 in /lightrag_webui in the ui-components group by @dependabot[bot] in https://github.com/HKUDS/LightRAG/pull/3200
* build(deps-dev): bump the build-tools group in /lightrag_webui with 3 updates by @dependabot[bot] in https://github.com/HKUDS/LightRAG/pull/3201
* build(deps): bump katex from 0.16.47 to 0.17.0 in /lightrag_webui in the content-rendering group across 1 directory by @dependabot[bot] in https://github.com/HKUDS/LightRAG/pull/3202
* build(deps): bump the frontend-minor-patch group across 1 directory with 2 updates by @dependabot[bot] in https://github.com/HKUDS/LightRAG/pull/3203
* ♻️ refactor(config): rename MAX_ASYNC to MAX_ASYNC_LLM with alias fallback by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3209
* fix: honor Postgres search path in table checks by @he-yufeng in https://github.com/HKUDS/LightRAG/pull/3206
* fix(parser): surface accurate error for non-ZIP .docx files by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3210
* ✨ fix(chunker): glue body-less heading blocks into their deeper child (P strategy) by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3214
* ✨ fix(chunker): land parent-path gate + bridge overlap for P strategy by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3215
* fix(mineru): preserve HTML table content by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3219
* ✨ feat(multimodal): declare table content format (html/json) in analysis prompt by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3221
* Preserve HTML table header spans in split tables by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3222
* feat(sidecar): add parent_headings to tables/drawings/equations sidecars by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3223
* fix(extract): drop "in section unknown" noise from multimodal relation descriptions by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3224
* feat(query): cap parent-heading length to match extraction breadcrumb by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3226
* Rename RetrievalTesting to RetrievalView by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3229
* fix(webui): prevent double-click on Send from aborting the query by @danielaskdd in https://github.com/HKUDS/LightRAG/pull/3230

**Full Changelog**: https://github.com/HKUDS/LightRAG/compare/v1.5.0...v1.5.1