# Backlog — PDF & ingestion follow-ups Items deferred from PDF ingestion v1 (Text PDF + PyMuPDF + Heading Reconstruction). | Item | When to pick up | |------|-----------------| | [Scanned PDF OCR](./scanned-pdf-ocr.md) | After Text PDF Experiments are stable; chatbot needs image PDFs | | [Persian / cloud OCR](./persian-cloud-ocr.md) | Local OCR quality on Farsi sample set is too low | | [pdfplumber tables](./pdfplumber-tables.md) | PyMuPDF table flattening hurts Experiment scores | | [LibreOffice PDF→DOCX fallback](./libreoffice-pdf-to-docx-fallback.md) | Heading Reconstruction false-positives dominate; want second opinion path | | [Multi-column layout](./multi-column-layout.md) | Reading order is wrong on multi-column policies | | [Page metadata in chunks](./page-metadata-in-chunks.md) | Users need “page N” citations in answers / Chunk Preview |