Issues

• LanguageMetaField.code is documented as BCP 47 but HumanLanguageLabel accepts only two-letter primary subtags

  docling-project/docling-core#868 · Filter by author wittjeff opened on Oct 12, 2026

• Table OTSL export rebuilds TableData.grid for every cell (quadratic in table size)

  docling-project/docling-core#862 · Filter by author kitterman-t opened on Oct 11, 2026

• Proposal: represent block quotes with a block_quote group label

  docling-project/docling-core#861 · Filter by author morten-lagabote opened on Oct 11, 2026

• URL sources are resolved locally even when a proxy fetches them

  docling-project/docling-core#860 · Filter by author kevinpark1217 opened on Oct 9, 2026

• HybridChunker: table chunks under a heading exceed max_tokens

  docling-project/docling-core#856 · Filter by author usmanmateen opened on Oct 9, 2026
  2

• HybridChunker drops the start of a table row when a captioned table is split with omit_header_on_overflow=True

  docling-project/docling-core#850 · Filter by author michaelkillgta opened on Oct 7, 2026

• MarkdownTextSerializer does not emit continuation blocks for loose list items

  buggood first issueserialization
  docling-project/docling-core#844 · Filter by author ceberam opened on Oct 6, 2026
  1

• ImageRef.uri coerces relative paths to WindowsPath on Windows — save_as_json(REFERENCED) writes backslash URIs

  docling-project/docling-core#837 · Filter by author cloudydreamland opened on Oct 4, 2026

• TextItem.hyperlink coerces root-relative links to WindowsPath on Windows, breaking exports and cross-platform documents

  docling-project/docling-core#835 · Filter by author cloudydreamland opened on Oct 4, 2026

• An OTSL cell with no text takes the next structural token as its text

  docling-project/docling-core#831 · Filter by author chrikrah opened on Oct 3, 2026
  1

• Optimize _merge_chunks_with_matching_metadata: quadratic candidate rebuilds on merge-heavy documents

  chunkingperformance
  docling-project/docling-core#819 · Filter by author iluv7 opened on Oct 1, 2026
  3

• DocLangTableSerializer writes a table with a grid but no cells as an empty <table></table>, losing its dimensions

  docling-project/docling-core#818 · Filter by author Steve-Allison opened on Sep 30, 2026

• DocLangTableSerializer writes an empty column/row header cell as <ecel/>, losing the header flag

  docling-project/docling-core#817 · Filter by author Steve-Allison opened on Sep 30, 2026

• DocLangDocSerializer drops the hyperlink of a text item inside an InlineGroup

  docling-project/docling-core#816 · Filter by author Steve-Allison opened on Sep 30, 2026

• DocLangDocSerializer mutates a multi-box item's ProvenanceItem.charspan and writes the pieces from orig, not text

  docling-project/docling-core#815 · Filter by author Steve-Allison opened on Sep 30, 2026

• Feature request: option to serialize horizontally merged body cells once in Markdown

  docling-project/docling-core#814 · Filter by author bcwingnut opened on Sep 30, 2026
  2

• HybridChunker: empty chunk / stray newline when a captioned table exceeds max_tokens

  docling-project/docling-core#806 · Filter by author iluv7 opened on Sep 30, 2026

• DocLangDocSerializer moves a ListGroup's non-list-item child to after the list, changing reading order

  docling-project/docling-core#794 · Filter by author Steve-Allison opened on Sep 22, 2026
  3

• DocLangDocSerializer leaks the #_#_DOCLING_DOC_PAGE_BREAK sentinel when add_page_break=False and a list spans pages

  docling-project/docling-core#793 · Filter by author Steve-Allison opened on Sep 22, 2026
  1

• DocLangDocDeserializer reads an attribute-only <custom> child as '' and drops <custom> on <table> entirely

  docling-project/docling-core#791 · Filter by author Steve-Allison opened on Sep 22, 2026
  1

• DocLangDocDeserializer appends a <custom> child's text to TextItem.text (metadata leaks into prose)

  docling-project/docling-core#790 · Filter by author Steve-Allison opened on Sep 22, 2026
  1

• DocLang output omits the namespace by default, so save_as_doclang_archive(validate=True) fails on any document

  docling-project/docling-core#783 · Filter by author DavidPivert opened on Sep 18, 2026
  3

• 'from docling.chunking import HybridChunker' fails: No module named 'tree_sitter'

  docling-project/docling-core#781 · Filter by author yurivict opened on Sep 16, 2026
  2

• DocLangInlineSerializer emits one <layer> token per non-BODY sibling when wrapping an InlineGroup, producing more than one inside a single <text> element

  docling-project/docling-core#778 · Filter by author Steve-Allison opened on Sep 15, 2026

• DocLang deserializer emits inline content without provenance → DoclingDocument.filter(page_nrs=...) silently deletes it

  docling-project/docling-core#777 · Filter by author cau-git opened on Sep 15, 2026