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mineru-4.0.6-released

opendatalab/MinerUmineru-4.0.6-releasedSep 22, 2026by myhloli

Upgrading?

What changed from mineru-4.0.5-released → mineru-4.0.6-released?What's new in desktop_v1.4.26 after mineru-4.0.6-released?

AI Summary

MinerU 4.0.6 introduces an EPUB viewer in the WebUI with section navigation and metadata display. It also fixes a regression where PDF text blocks missing line information were discarded during normalization. Furthermore, it resolves PDF export crashes caused by CJK line-breaking issues with inline formulas.

Key Highlights

  • Added EPUB online preview to WebUI with section navigation and metadata display.
  • Fixed regression where PDF text blocks missing line info were dropped during normalization.
  • Resolved PDF export crashes for CJK paragraphs containing inline formulas.
  • Updated docvortex dependency to version 0.4.22.

New Features

  • WebUI 新增 EPUB 在线预览：支持章节导航与元数据展示，静态资源经浏览器代理加载

Full Release Notes

## 更新内容 / What's Changed

**新增 / Features**
- WebUI 新增 EPUB 在线预览：支持章节导航与元数据展示，静态资源经浏览器代理加载 / EPUB viewer in the WebUI with section navigation and improved metadata handling

**改进与修复 / Improvements & Fixes**
- 修复缺少行信息（lines）的 PDF 文本块在归一化时被整块丢弃的回归，增加 bbox 兜底（#5565）/ Fix regression where PDF text blocks missing line info were dropped entirely during normalization, with a bbox fallback (#5565)
- 修复中文段落含行内公式时导出 PDF 的崩溃（reportlab CJK 断行缺陷），并新增回归测试 / Fix crash when exporting PDFs with CJK paragraphs containing inline formulas (reportlab CJK line-breaking), with a regression test

**依赖 / Dependencies**
- docvortex 最低版本提升至 0.4.22 / Require docvortex>=0.4.22

**Full Changelog**: https://github.com/opendatalab/MinerU/compare/mineru-4.0.5-released...mineru-4.0.6-released

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