Issues

• Wiki: Add an open source text to related projects "Reading and viewing resources"

  facebookresearch/faiss#5921 · Filter by author avelkoski opened on Nov 13, 2026

• Proposal: GpuIndexBinaryIVF (GPU binary IVF index)

  facebookresearch/faiss#5914 · Filter by author capemox opened on Nov 12, 2026

• e-means: dead-cluster revival overwrites real small clusters when k is small

  facebookresearch/faiss#5907 · Filter by author rzr1331 opened on Nov 12, 2026

• Compiler warnings have crept back since the March cleanup: enable a few more warning flags in the internal build?

  facebookresearch/faiss#5893 · Filter by author maxwbuckley opened on Nov 11, 2026
  1

• kmeans1d Reads Out of Bounds When k Exceeds the Number of Distinct Values

  facebookresearch/faiss#5891 · Filter by author vrindasaluja18 opened on Nov 11, 2026

• IndexIVF::search1 Ignores IVFSearchParameters.sel and Returns Excluded IDs

  facebookresearch/faiss#5890 · Filter by author leemeii opened on Nov 11, 2026

• Grammatical error on home page

  facebookresearch/faiss#5878 · Filter by author mchaput opened on Nov 9, 2026

• IndexIVFFlatDedup Returns Excluded Duplicate IDs After Selector Filtering

  facebookresearch/faiss#5873 · Filter by author leemeii opened on Nov 9, 2026

• IndexSplitVectors Does Not Synchronize metric_arg, Causing Incorrect Top-K Vector IDs

  facebookresearch/faiss#5872 · Filter by author leemeii opened on Nov 9, 2026

• IndexIVFIndependentQuantizer Subsamples Training Rows with the Payload Dimension Instead of the Input Dimension

  facebookresearch/faiss#5870 · Filter by author leemeii opened on Nov 8, 2026

• [Bug] IndexSQFastScan::remove_ids does not compact lo_codes, corrupting reranked distances

  facebookresearch/faiss#5831 · Filter by author leemeii opened on Nov 3, 2026

• IndexIVFAdditiveQuantizerFastScan implementation 1 ignores vectors added after conversion

  facebookresearch/faiss#5830 · Filter by author leemeii opened on Nov 3, 2026

• Feature proposal: exact flat index for row-wise int8 vectors (one scale per vector), CPU + GPU

  facebookresearch/faiss#5741 · Filter by author itz-sayak opened on Oct 15, 2026

• clone_index changes IndexFlatIPPanorama vectors and search results

  facebookresearch/faiss#5735 · Filter by author vera-rubin opened on Oct 14, 2026

• IndexBinaryFlat: single-query search uses one thread (and gets slower with more threads)

  facebookresearch/faiss#5700 · Filter by author novain-shibu opened on Oct 3, 2026

• faiss-gpu / faiss-gpu-cuvs pip wheels missing Blackwell support (sm_100, sm_120)

  facebookresearch/faiss#5698 · Filter by author haoweiyu-kumo opened on Oct 2, 2026
  1

• IndexFlatL2 silently drops rows containing non-finite components from search results (-1 slots) without any error (1.15.0)

  facebookresearch/faiss#5684 · Filter by author JoeyLYZ666 opened on Sep 29, 2026

• Panorama merge_from corrupts merged vectors

  facebookresearch/faiss#5607 · Filter by author leemeii opened on Sep 8, 2026

• clone_index() loses ArrayInvertedListsPanorama storag

  facebookresearch/faiss#5606 · Filter by author leemeii opened on Sep 8, 2026

• IndexScalarQuantizer.merge_from() accepts incompatible trained ranges and silently decodes merged vectors incorrectly

  facebookresearch/faiss#5599 · Filter by author leemeii opened on Sep 7, 2026

• IndexFastScan::merge_from silently ignores nonzero add_id

  facebookresearch/faiss#5590 · Filter by author leemeii opened on Sep 7, 2026

• IndexIVF helper APIs ignore quantizer_params and return inconsistent results

  facebookresearch/faiss#5589 · Filter by author leemeii opened on Sep 6, 2026

• IndexShardsIVF silently drops SearchParametersIVF.sel

  facebookresearch/faiss#5584 · Filter by author leemeii opened on Sep 5, 2026

• IndexShards applies selectors to local IDs with successive_ids enabled

  facebookresearch/faiss#5581 · Filter by author rioyu123 opened on Sep 5, 2026

• IndexIVFFlatDedup.reset() leaves stale duplicate-chain IDs searchable

  facebookresearch/faiss#5580 · Filter by author leemeii opened on Sep 5, 2026