Issues

• DocumentSplitter token mode ignores skip_empty_documents for Unicode token slices

  deepset-ai/haystack#13209 · Filter by author dakjdakd opened on Oct 11, 2026
  

• FilterPolicy.MERGE resolves a repeated field differently when both filters are AND

  deepset-ai/haystack#13208 · Filter by author pcbeingused333 opened on Oct 11, 2026

• Pipeline.run_async passes variadic inputs in completion order, not in a stable order

  handled internally
  deepset-ai/haystack#13204 · Filter by author julian-risch opened on Oct 10, 2026

• Ordering filters leak TypeError for datetime values compared with numeric scalars

  deepset-ai/haystack#13201 · Filter by author Timotty opened on Oct 10, 2026
  

• DocumentRecallEvaluator and DocumentNDCGEvaluator crash on list/dict meta comparison values; MRR and MAP accept them

  deepset-ai/haystack#13200 · Filter by author pcbeingused333 opened on Oct 10, 2026
  

• DOCXToDocument drops URL fragments stored separately in Word hyperlinks

  deepset-ai/haystack#13199 · Filter by author nniiovoo opened on Oct 10, 2026
  

• logger.exception() from haystack.logging.getLogger does not log the traceback

  deepset-ai/haystack#13188 · Filter by author hardness1020 opened on Oct 8, 2026
  

• Make OpenAIChatGenerator easier to extend

  handled internallyP1
  Task

  deepset-ai/haystack#13186 · Filter by author anakin87 opened on Oct 8, 2026

• DOCXToDocument drops the paragraphs and tables inside block-level content controls (w:sdt)

  deepset-ai/haystack#13163 · Filter by author LindseyZ1205 opened on Oct 7, 2026
  

• 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
  

• Keep cache_control and other extra keys on OpenAI content parts in ChatMessage

  handled internallyP1
  Feature

  deepset-ai/haystack#13139 · Filter by author julian-risch opened on Oct 6, 2026 · 3.4.0

• Annotated callback parameters cause tool schema generation to fail

  deepset-ai/haystack#13137 · Filter by author SuhrudhC opened on Oct 6, 2026
  1

  

• Tool outputs_to_string fails when multi-output tools use "source", "handler", or "raw_result" as output keys

  deepset-ai/haystack#13109 · Filter by author rautaditya2606 opened on Oct 5, 2026
  2

  

• DocumentCleaner(remove_repeated_substrings=True) removes body text that isn't at the start or end of the page

  deepset-ai/haystack#13107 · Filter by author kayzenline opened on Oct 5, 2026
  2

  

• Multi-query retrievers rank unscored documents above valid negative scores

  deepset-ai/haystack#13089 · Filter by author linhongyu510 opened on Oct 2, 2026
  

• CSVDocumentCleaner silently discards data for negative ignore counts

  deepset-ai/haystack#13074 · Filter by author Amazinghorseli opened on Oct 2, 2026
  

• CSVToDocument accepts an unsupported conversion_mode and silently converts in row mode

  P3
  deepset-ai/haystack#13070 · Filter by author Lesereingrape opened on Oct 2, 2026

• Drop Python 3.10 support and add Python 3.15

  P2
  deepset-ai/haystack#13065 · Filter by author julian-risch opened on Oct 1, 2026 · 3.5.0
  

• 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

• AutoMergingRetriever raises ValueError when a matched document has no parent (for example the root document)

  deepset-ai/haystack#13029 · Filter by author Harsh23Kashyap opened on Sep 30, 2026
  2

  

• CSVToDocument row mode fails on CR-separated CSV input

  P3
  Bug

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

• CSVToDocument row mode drops a real extra_columns field on ragged rows

  handled internallyP3
  deepset-ai/haystack#12994 · Filter by author Harsh23Kashyap opened on Sep 28, 2026
  1