Issues

• [bug](hgraph): populate MCI companion stats in GetStats() when GetNumElements() == 0

  kind/bugmodule/indexneeds-triage
  antgroup/vsag#3087 · Filter by author thlurte opened on Oct 14, 2026
  1

• [improve](hgraph): backport per-expansion MCI budget tests to 1.0

  kind/improvementmodule/indexversion/1.0
  antgroup/vsag#3084 · Filter by author wxyucs opened on Oct 14, 2026
  1

  

• [feat](hgraph): backport MCI incremental maintenance and physical removal to 1.0

  kind/featuremodule/indexversion/1.0
  antgroup/vsag#3083 · Filter by author wxyucs opened on Oct 14, 2026
  1

  

• SIMQ silently truncates multi-query batch search to the first query

  kind/bugmodule/indexneeds-triage
  antgroup/vsag#3080 · Filter by author LHT129 opened on Oct 14, 2026
  1

• [feat](hgraph): backport hybrid MCI traversal to 1.0

  kind/featuremodule/indexversion/1.0
  antgroup/vsag#3078 · Filter by author wxyucs opened on Oct 13, 2026
  1

  

• [improve](pyramid): define multi-path parallelism as a per-search concurrency limit

  kind/improvementmodule/indexneeds-triage
  antgroup/vsag#3077 · Filter by author dasurax opened on Oct 13, 2026
  1

  

• [bug](hgraph): backport whole MCI cliques and filter bitmap to 1.0

  kind/bugmodule/indexversion/1.0
  antgroup/vsag#3074 · Filter by author wxyucs opened on Oct 13, 2026
  1

  

• [bug](hgraph): dynamic session filter/threshold functional test is flaky

  needs-triage
  antgroup/vsag#3072 · Filter by author Utopia-V opened on Oct 12, 2026
  1

• [bug](hgraph): thresholded KNN keeps non-finite scores on the brute-force route in -Ofast builds

  kind/bugmodule/indexneeds-triage
  antgroup/vsag#3069 · Filter by author Utopia-V opened on Oct 12, 2026
  1

• [feat](hgraph): backport MCI companion foundation to 1.0

  kind/featuremodule/indexversion/1.0
  antgroup/vsag#3068 · Filter by author wxyucs opened on Oct 12, 2026
  1

  

• [bug](rabitq): keep fused pair-distance centroids in rotated space

  kind/bugmodule/apimodule/datacellversion/1.1
  antgroup/vsag#3066 · Filter by author LightWant opened on Oct 12, 2026
  1

• [bug](hgraph): daily concurrent add test hangs until the 6-hour job limit

  kind/bugmodule/indexneeds-triage
  antgroup/vsag#3065 · Filter by author austenstone opened on Oct 12, 2026
  3

  

• [bug](ci): HGraph force-remove repair fails to throw expected allocation error

  area/cicreated-by-AIkind/bugmodule/indexpts/5repeats/1version/1.1
  antgroup/vsag#3054 · Filter by author vsag-bot opened on Oct 10, 2026
  3

  

• [feat](uhg): add unified dense-sparse hybrid graph retrieval

  kind/featuremodule/apimodule/indexneeds-triagepts/8
  antgroup/vsag#3050 · Filter by author Roxanne0321 opened on Oct 10, 2026
  1

• [bug](ci): AArch64 HNSW update-vector test returns one fewer correct result

  area/cicreated-by-AIkind/bugmodule/indexpts/5repeats/1version/0.16
  antgroup/vsag#3046 · Filter by author vsag-bot opened on Oct 10, 2026
  1

• [bug](hgraph): isolate reranked range regression from graph pruning

  kind/bugmodule/indexpts/2version/0.16
  antgroup/vsag#3045 · Filter by author wxyucs opened on Oct 10, 2026
  1

  

• [bug](ci): RaBitQ residual-factor and HGraph traversal-accounting assertions fail on arm64

  area/cicreated-by-AIkind/bugmodule/indexpts/8repeats/1version/1.1
  antgroup/vsag#3043 · Filter by author vsag-bot opened on Oct 9, 2026
  2

  

• [bug](search): return all duplicate IDs in HGraph and Pyramid root KNN

  kind/bugmodule/indexpts/3version/0.18
  antgroup/vsag#3036 · Filter by author dasurax opened on Oct 8, 2026
  3

  

• [feat](bruteforce): support sparse vector exact search

  kind/featuremodule/apimodule/datacellneeds-triagepts/8
  antgroup/vsag#3031 · Filter by author Roxanne0321 opened on Oct 8, 2026
  1

• [bug](ci): HGraph regression test gh#369 crashes with SIGSEGV

  area/cicreated-by-AIfixing-by-AIkind/bugmodule/indexpts/5repeats/1version/0.18
  antgroup/vsag#3024 · Filter by author vsag-bot opened on Sep 28, 2026
  2

  

• [bug](ci): HGraph dirty-vector search test crashes with SIGSEGV

  area/cicreated-by-AIfixing-by-AIkind/bugmodule/indexpts/5repeats/1version/0.18
  antgroup/vsag#3020 · Filter by author vsag-bot opened on Sep 28, 2026
  2

  

• [bug](build): Missing <cstring> in src/impl/bitset/fast_bitset.cpp causes compilation failure on GCC 15/16

  area/cikind/bugmodule/simdneeds-triagepts/1
  antgroup/vsag#3017 · Filter by author thlurte opened on Sep 27, 2026
  1

• [bug](simd): FP16ToFloat and FloatToFP16 in generic.cpp produce incorrect values for zero, subnormals, and non-finite numbers

  kind/bugmodule/simdneeds-triagepts/3
  antgroup/vsag#3016 · Filter by author thlurte opened on Sep 27, 2026
  1

• [improve](<scope>): [Performance] Low and fluctuating CPU utilization during batched Add with Fused RaBitQ 1+7

  area/bindings-nodekind/improvementmodule/apimodule/datacellneeds-triagepts/8
  antgroup/vsag#3007 · Filter by author lxyhcx opened on Sep 24, 2026
  2

  

• [bug] HGraph returns incorrect distances for label 0 after deserialization on 0.18

  kind/bugmodule/indexpts/5version/0.18version/1.1
  antgroup/vsag#3004 · Filter by author wxyucs opened on Sep 24, 2026
  2