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chromadb_rust_bindings SIGSEGV on macOS ARM64 (Python 3.14)

bugSomething isn't workingSomething isn't working

Status: Open.

#6984 In chroma-core/chroma;

· hughie-coles opened on Apr 26, 2026

[Bug]: SIGSEGV in chromadb_rust_bindings HNSW walk (1.5.8) — deterministic under caller blocking-syscall timing

Status: Open.

#6979 In chroma-core/chroma;

· sha2fiddy opened on Apr 26, 2026

PersistentLocalHnswSegment loses in-memory state on process exit when sync_threshold not crossed

Status: Open.

#6975 In chroma-core/chroma;

· emicarlu opened on Apr 25, 2026

[Bug]: npm package @chroma-core/ollama depends on unused "testcontainers"

bugSomething isn't workingSomething isn't working

Status: Open.

#6972 In chroma-core/chroma;

· AviVahl opened on Apr 24, 2026

[Bug]: SIGSEGV (exit 139) in chromadb.api.rust on Linux kernel 6.17

Status: Open.

#6963 In chroma-core/chroma;

· Rom1-B opened on Apr 23, 2026

HNSW Rust loader segfaults (exit 139) when index_metadata.pickle contains dimensionality=None instead of raising Python exception

Status: Open.

#6949 In chroma-core/chroma;

· sunilfernandes opened on Apr 22, 2026

DefaultEmbeddingFunction.__call__ constructs a new ONNXMiniLM_L6_V2 on every call (10× slowdown on repeated embeds)

Status: Open.

#6941 In chroma-core/chroma;

· xelauvas opened on Apr 21, 2026

[Feature] Built-in collection versioning for zero-downtime index updates

Status: Open.

#6930 In chroma-core/chroma;

· reallyticsai opened on Apr 18, 2026

[Security] Unsafe pickle.load() in PersistentLocalHnswSegment enables arbitrary code execution (CWE-502)

Status: Open.

#6926 In chroma-core/chroma;

· patchmyday opened on Apr 17, 2026

[Feature Request]: Enable parallel processing for SentenceTransformerEmbeddingFunction

enhancementNew feature or requestNew feature or request

Status: Open.

#6903 In chroma-core/chroma;

· Ashish-Abraham opened on Apr 14, 2026

[Feature] Built-in collection versioning for zero-downtime index updates

Status: Open.

#6896 In chroma-core/chroma;

· smqd19 opened on Apr 12, 2026

SIGSEGV in hnswlib repairConnectionsForUpdate / updatePoint on macOS 26.5 beta + Python 3.13 + Apple M5

Status: Open.

#6895 In chroma-core/chroma;

· lmakela opened on Apr 12, 2026