mineru-4.0.9-released

quickwit-oss/quickwitmineru-4.0.9-releasedSep 28, 2026by myhloli

Upgrading?

AI Summary

MinerU update optimizing PDF text extraction by rebuilding word spacing and improving render subprocess management for concurrent tasks.

Key Highlights

  • Native PDF text extraction space preservation
  • Fix for English word merging due to lost spaces
  • Non-exclusive render subprocess reuse
  • Improved code-span spacing protection

New Features

  • Native PDF text extraction improvements
  • Render subprocess optimization

Full Release Notes

## 更新内容 / What's Changed

**优化 / Improvements**
- PDF 原生文本提取:重建词间空格,修复空格丢失导致的英文单词黏连,并保护代码 span 与相邻文本的间距 / Native PDF text extraction: rebuild inter-word spacing to fix lost spaces merging English words, with code-span spacing protection
- PDF render 子进程支持非独占复用,并发任务不再排队等待 render worker / PDF render subprocess now supports non-exclusive reuse, so concurrent tasks no longer wait for an available render worker

**依赖 / Dependencies**
- docvortex 提升至 0.5.4(0.5.2 → 0.5.4)/ Require docvortex>=0.5.4 (0.5.2 → 0.5.4)

**Full Changelog**: https://github.com/opendatalab/MinerU/compare/mineru-4.0.8-released...mineru-4.0.9-released

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