Issues

• SearchableToolset allows a catalog tool to collide with its bootstrap search tool

  Bug

  deepset-ai/haystack#13145 · Filter by author Guo-Yixin opened on Oct 7, 2026
  

• PPTXToDocument drops soft line breaks when link_format is markdown or plain

  P3
  Bug

  deepset-ai/haystack#13043 · Filter by author Harsh23Kashyap opened on Sep 30, 2026
  1

• XLSXToDocument assigns hyperlinks to the wrong cells with skiprows or usecols

  P2
  Bug

  deepset-ai/haystack#13041 · Filter by author Harsh23Kashyap opened on Sep 30, 2026
  

• InMemoryDocumentStore: count_unique_metadata_by_filter and get_metadata_field_unique_values disagree on int/float/bool values

  P3
  Bug

  deepset-ai/haystack#13040 · Filter by author Harsh23Kashyap opened on Sep 30, 2026
  1

  

• JsonSchemaValidator rejects valid arrays and skips constraints on empty arrays

  P3
  Bug

  deepset-ai/haystack#13032 · Filter by author Harsh23Kashyap opened on Sep 30, 2026
  4

• CSVToDocument row mode fails on CR-separated CSV input

  P3
  Bug

  deepset-ai/haystack#13022 · Filter by author Marcuswang0824 opened on Sep 29, 2026
  

• XLSXToDocument drops literal NA and N/A cell values

  P3
  Bug

  deepset-ai/haystack#12945 · Filter by author Harsh23Kashyap opened on Sep 25, 2026
  

• Sockets.__getattribute__ references _sockets but the actual attribute is _sockets_dict — the optimization at lines 127-132 is dead code due to a typo

  P2
  Bug

  deepset-ai/haystack#12939 · Filter by author Harsh23Kashyap opened on Sep 24, 2026
  1

  

• TiktokenCounter raises ValueError on literal special-token strings like <|endoftext|>

  Contributions wanted!good first issueP2
  Bug

  deepset-ai/haystack#12869 · Filter by author bogdankostic opened on Sep 23, 2026
  2

  

• Log values inside lists and dicts skip the size bound from #12849

  P2
  Bug

  deepset-ai/haystack#12864 · Filter by author Harsh23Kashyap opened on Sep 23, 2026
  6

  

• CSVDocumentCleaner deletes a row that says N/A, and both CSV components empty those cells

  P3
  Bug

  deepset-ai/haystack#12784 · Filter by author L4XB opened on Sep 16, 2026
  3

• DocumentJoiner positional weights follow Variadic arrival order, not connect() order

  handled internally
  Bug

  deepset-ai/haystack#12646 · Filter by author coder058 opened on Sep 7, 2026
  3

  

• 4 of 5 Document*Evaluators crash with ZeroDivisionError on empty input

  P3
  Bug

  deepset-ai/haystack#12543 · Filter by author Harsh23Kashyap opened on Sep 1, 2026
  4

  

• fix: serialize_type / deserialize_type do not support typing.Annotated

  P2
  Bug

  deepset-ai/haystack#12338 · Filter by author Harsh23Kashyap opened on Aug 13, 2026
  1

  

• PythonCodeSplitter with strip_docstrings=True emits invalid Python for docstring-only function/method/class bodies

  Bug

  deepset-ai/haystack#12330 · Filter by author AmirF194 opened on Aug 13, 2026
  2