mineru-4.0.9-released
stepfun-ai/Step-Audiomineru-4.0.9-releasedSep 28, 2026by myhloli
Upgrading?
AI Summary
Performance and stability update for MinerU focusing on PDF text extraction and rendering concurrency.
Key Highlights
- Native PDF text extraction fixes English word merging issues
- PDF render subprocess supports non-exclusive reuse for concurrent tasks
- Updated docvortex dependency to 0.5.4
New Features
- Fixed English word spacing in PDF text extraction
- Improved rendering concurrency
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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