Issues

• normalize_sparse_vector silently truncates instead of raising on mismatched indices/values lengths

  chroma-core/chroma#7972 · Filter by author Steve-20-ai opened on Oct 31, 2026

• [Bug]: A where $or of about 16,500 or more clauses crashes the embedded client process (SIGSEGV)

  bug
  chroma-core/chroma#7970 · Filter by author muzakkirhussain011 opened on Oct 30, 2026
  2

• [Bug]: A $or with about 1,000 operands fails with "Expression tree is too large (maximum depth 1000)"

  bug
  chroma-core/chroma#7969 · Filter by author muzakkirhussain011 opened on Oct 30, 2026

• [Bug]:There are multiple vulnerabilities in latest version of chromadb 1.5.9, which are getting added transitively to libraries like crewAI and impacting all the projects using crewai

  bug
  chroma-core/chroma#7966 · Filter by author MohakWadhwani opened on Oct 27, 2026
  1

• [Bug]: HNSW permanently loses vectors added while the collection was small, once a much larger batch is added (raising ef_search doesn't help)

  chroma-core/chroma#7963 · Filter by author andy09292002 opened on Oct 27, 2026
  1

• Intermittent SIGSEGV in chromadb_rust_bindings on macOS ARM64

  chroma-core/chroma#7962 · Filter by author fvazantunes opened on Oct 26, 2026

• [Bug]: Ollama legacy URLs drop proxy path prefixes

  chroma-core/chroma#7955 · Filter by author LimbC-C opened on Oct 24, 2026
  1

• [Bug]: Negative or >u32 limit/offset/n_results over HTTP returns unhandled 500 OverflowError instead of 400

  chroma-core/chroma#7953 · Filter by author Shahzeb-DataEngineer opened on Oct 23, 2026

• [Bug]: /api/v1 and /api/v2 pre-flight-checks never authenticate on an auth-enabled server

  chroma-core/chroma#7952 · Filter by author Shahzeb-DataEngineer opened on Oct 23, 2026
  1

• InternalError: Error creating hnsw segment reader: Nothing found on disk after in-process LRU cache eviction — HNSW files are present on disk

  chroma-core/chroma#7946 · Filter by author sibila-b opened on Oct 22, 2026
  4

• [Bug]: GET /api/v2/tenants/{tenant}/databases response does not match its OpenAPI schema

  bug
  chroma-core/chroma#7933 · Filter by author Hrithi28 opened on Oct 20, 2026

• [Install issue]: CLI on Linux needs glibc 2.39, is 535 MB, and has no arm64 binary

  chroma-core/chroma#7931 · Filter by author Laurianti opened on Oct 20, 2026

• [Bug]: /api/v2/healthcheck response does not match OpenAPI schema

  bug
  chroma-core/chroma#7930 · Filter by author Hrithi28 opened on Oct 20, 2026

• [Bug]: GET /indexing_status returns HTTP 500: Method scout_logs is not implemented

  bug
  chroma-core/chroma#7929 · Filter by author Hrithi28 opened on Oct 20, 2026
  2

• [Bug]: AsyncFastAPI keeps one httpx.AsyncClient per event loop forever; System.stop() cleanup is skipped inside a running loop

  chroma-core/chroma#7916 · Filter by author JIAQIA opened on Oct 15, 2026

• [Bug]: HTTP clients leave an unreleasable entry in SharedSystemClient._identifier_to_system after close() (orphan from _populate_data_from_system)

  chroma-core/chroma#7915 · Filter by author JIAQIA opened on Oct 15, 2026

• Latest PyPI release 1.5.9 is flagged for 4 CVEs

  chroma-core/chroma#7909 · Filter by author Ketzemot opened on Oct 14, 2026
  1

• [Perf]: Local apply_logs issues ~4 SQL statements per record; batch across records

  chroma-core/chroma#7895 · Filter by author danielenricocahall opened on Oct 12, 2026

• [Perf]: Local writes to different collections serialize on the single LocalCompactionManager actor

  chroma-core/chroma#7893 · Filter by author danielenricocahall opened on Oct 11, 2026
  2

• [Bug]: AsyncFastAPI caches its httpx client on the class, so a second async HTTP client reuses the first one's credentials

  chroma-core/chroma#7887 · Filter by author danielenricocahall opened on Oct 11, 2026
  2

• [Bug]: Rust bindings hold the GIL across block_on in 21 of 25 methods, so writes serialize sync threads and freeze the async event loop

  chroma-core/chroma#7886 · Filter by author danielenricocahall opened on Oct 11, 2026
  1

• [Bug]: close() and the context manager are implemented on Client but not declared on ClientAPI, so calling them fails type checking

  chroma-core/chroma#7885 · Filter by author danielenricocahall opened on Oct 11, 2026

• [Bug]: Migration link in chromadb/config.py error message returns 404

  chroma-core/chroma#7879 · Filter by author HighnessAtharva opened on Oct 10, 2026
  1

• [Bug]: delete_collection() leaves orphaned HNSW segment directory after successful deletion

  bug
  chroma-core/chroma#7853 · Filter by author gpulipati opened on Oct 6, 2026

• [Bug]: Embeddings given as Python lists of NumPy scalars (np.float32, np.int64) are rejected with ValueError

  chroma-core/chroma#7830 · Filter by author JoeyTan21 opened on Oct 1, 2026