Data and AI releases

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unstructured 0.27.35

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This release of the Unstructured library includes various fixes for document partitioning, metadata extraction, and performance improvements for PDF processing.

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Also shipped Oct 27, 2026Unstructured in October 2026 →

Ruff 0.17.3

Ruff 0.17.3 adds a shared-clock-mock preview feature, fixes f-string conversion bugs, and improves performance for identifier and keyword lexing.

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unstructured 0.27.34

Unstructured 0.27.34 includes performance improvements for buffer management and several bug fixes for partition and file format handling.

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unstructured 0.27.32

- fix: label numbered headings without making them list items, and skip section-break paragraphs - fix(partition): read spooled uploads in place instead of copying them - perf(pdf): bound OCR upload and rendered-page memory - perf(chunking): bound image payload and original-element serialization memory - feat(xlsx): expose a guarded worksheet-at-a-time...

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unstructured 0.27.28

- feat: opt-in langdetect-rs backend for partition language detection - fix(html): keep text inside unrecognized elements - fix(html): keep table captions in Table text and text_as_html - perf(docx): resolve each paragraph style once per document (5.3 s -> 1.0 s outside spaCy) - fix(xlsx): collapse empty-row runs instead of rejecting far-away cells -...

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unstructured 0.27.27

- fix(json): preserve rehydrated element identity - fix: keep overlap category names from element 100 on - fix: normalize None text to empty string in Text elements - fix: stop silently returning mojibake from encoding detection fix: partition_email raises KeyError on a multipart/ attachment - fix: preserve MathML content in HTML partitioning

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unstructured 0.27.25

- fix(pptx): no page break before the first slide when starting_page_number > 1 - fix(chunking): reject a negative overlap instead of corrupting text - feat(image): partition WEBP images like PNG and JPEG

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