Issues

• AnswerBuilder: reference_pattern is not validated and crashes run() with a cryptic int() error

  P2
  Bug

  deepset-ai/haystack#13554 · Filter by author pranjal-2507 opened on Nov 4, 2026 · Updated on Nov 4, 2026
  

• Document MaxSimRanker

  handled internallyP2
  Docs

  deepset-ai/haystack#13546 · Filter by author anakin87 opened on Nov 3, 2026 · Updated on Nov 4, 2026

• Range filters fill missing parts of partial dates with the current date

  Bug

  deepset-ai/haystack#13338 · Filter by author yuv009 opened on Oct 19, 2026 · Updated on Nov 4, 2026
  2

  

• FallbackChatGenerator: enable reasoning stripping from messages before switching generators

  handled internallyP1
  Bug

  deepset-ai/haystack#13465 · by Filter by author deep-rloebbert was closed on Nov 4, 2026 · Updated on Nov 4, 2026
  

• Implement MaxSimRanker

  handled internally
  deepset-ai/haystack#13533 · by Filter by author anakin87 was closed on Nov 4, 2026 · Updated on Nov 4, 2026
  

• MSGToDocument lists Cc and Bcc recipients on the To line

  P2
  Feature

  deepset-ai/haystack#13392 · by Filter by author L4XB was closed on Nov 4, 2026 · Updated on Nov 4, 2026
  1

  

• Pipeline.connect rejects Union and Literal types whose members are in a different order

  deepset-ai/haystack#13509 · Filter by author Revinand opened on Oct 31, 2026 · Updated on Nov 4, 2026
  1

  

• MetaFieldRanker accepts NaN weights and returns NaN scores

  P3
  deepset-ai/haystack#13507 · Filter by author priy-anshugupta opened on Oct 31, 2026 · Updated on Nov 4, 2026

• LLM component returns an undeclared exit_reason output, causing a pipeline warning and an unconnectable socket

  P1
  deepset-ai/haystack#13487 · by Filter by author BlueX888 was closed on Nov 3, 2026 · Updated on Nov 3, 2026
  

• Add multivector field to Document

  handled internally
  deepset-ai/haystack#13532 · by Filter by author anakin87 was closed on Nov 3, 2026 · Updated on Nov 3, 2026
  

• Support merging dense and sparse embeddings from parallel pipeline branches

  handled internallyP1
  Feature

  deepset-ai/haystack#13264 · by Filter by author maxdswain was closed on Nov 3, 2026 · Updated on Nov 3, 2026
  7

  

• ImageContent, FileContent and TextContent from_dict return the base class when called on a subclass

  deepset-ai/haystack#13535 · Filter by author shashank11yadav opened on Nov 2, 2026 · Updated on Nov 3, 2026
  

• Pyrefly strict mode rejects Haystack components

  Bug

  deepset-ai/haystack#13378 · Filter by author maxdswain opened on Oct 21, 2026 · Updated on Nov 2, 2026
  4

  

• RegexTextExtractor returns captured_text None when the capture group is not part of the match

  P3
  deepset-ai/haystack#13484 · Filter by author chrikrah opened on Oct 29, 2026 · Updated on Nov 2, 2026

• Multi-vector retrieval - initial support

  handled internallyP1
  Feature

  deepset-ai/haystack#13257 · Filter by author anakin87 opened on Oct 14, 2026 · Updated on Nov 2, 2026
  

• XLSXToDocument drops literal NA and N/A cell values

  P3
  Bug

  deepset-ai/haystack#12945 · by Filter by author Harsh23Kashyap was closed on Nov 2, 2026 · Updated on Nov 2, 2026
  

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

  P2
  Bug

  deepset-ai/haystack#13041 · by Filter by author Harsh23Kashyap was closed on Nov 2, 2026 · Updated on Nov 2, 2026
  

• Resuming a pipeline from a snapshot file turns int dict keys into strings

  P2
  Bug

  deepset-ai/haystack#13492 · Filter by author RyanLin5967 opened on Oct 30, 2026 · Updated on Nov 2, 2026
  1

• Breakpoint snapshot of a pydantic model with a datetime field raises TypeError

  P2
  Bug

  deepset-ai/haystack#13490 · Filter by author RyanLin5967 opened on Oct 30, 2026 · Updated on Nov 2, 2026

• ImageFileToImageContent fails the whole batch on a non-image file instead of skipping it

  P3
  Bug

  deepset-ai/haystack#13446 · Filter by author anh-nguyenn opened on Oct 26, 2026 · Updated on Nov 2, 2026

• Resuming a legacy breakpoint snapshot crashes with IndexError when the paused component has an empty input socket

  deepset-ai/haystack#13486 · by Filter by author BlueX888 was closed on Nov 2, 2026 · Updated on Nov 2, 2026 · Duplicate
  2

• LLM component returns an undeclared exit_reason output, causing a pipeline warning and an unconnectable socket

  deepset-ai/haystack#13489 · by Filter by author BlueX888 was closed on Nov 2, 2026 · Updated on Nov 2, 2026 · Duplicate
  2

• DocumentSplitter(respect_sentence_boundary=True) overlaps by one extra sentence when the word count already equals split_overlap

  Bug

  deepset-ai/haystack#13521 · Filter by author Dhruv-Patil-1720 opened on Nov 2, 2026 · Updated on Nov 2, 2026
  

• PythonCodeSplitter with strip_docstrings=True deletes code on the same line as a docstring

  deepset-ai/haystack#13308 · Filter by author rautaditya2606 opened on Oct 17, 2026 · Updated on Nov 1, 2026
  1

  

• MetadataRouter.from_dict mutates the caller's serialized configuration

  Bug

  deepset-ai/haystack#13420 · Filter by author Quantum-Enigma-dot opened on Oct 24, 2026 · Updated on Nov 1, 2026
  5