Issues

• metric="cosine" and metric="arccos" are in FAST_METRICS but cannot be dispatched — ValueError: Unrecognized metric

  scikit-learn-contrib/hdbscan#733 · Filter by author matteodellamico opened on Aug 20, 2026

• label() is O(n²) — UnionFind.fast_find's path compression never touches the queried node

  scikit-learn-contrib/hdbscan#731 · Filter by author matteodellamico opened on Aug 1, 2026

• BallTreeBoruvkaAlgorithm returns non-minimal spanning trees even with approx_min_span_tree=False

  scikit-learn-contrib/hdbscan#729 · Filter by author matteodellamico opened on Jul 11, 2026
  2

• Release a new version

  scikit-learn-contrib/hdbscan#728 · Filter by author Mokto opened on Jun 24, 2026
  3

• Manylinux python 3.12 wheels not published to pypi for 0.8.41

  scikit-learn-contrib/hdbscan#700 · Filter by author michael-dommett-deel opened on Feb 2, 2026

• Manylinux python 3.12 wheels don't seem to be built from the release-0.8.40 tag

  scikit-learn-contrib/hdbscan#694 · Filter by author mhenehan22 opened on Nov 13, 2025

• force_all_finite option is deprecated in scikit-learn, it is renamed to ensure_all_finite

  scikit-learn-contrib/hdbscan#689 · Filter by author tomotake opened on Oct 9, 2025
  2

• Manylinux python 3.12 wheels not published to pypi

  scikit-learn-contrib/hdbscan#687 · Filter by author gdfast opened on Oct 2, 2025

• SyntaxWarning: invalid escape sequence

  scikit-learn-contrib/hdbscan#685 · Filter by author ctberthiaume opened on Aug 12, 2025

• How to obtain consistent clustering results by reusing single linkage tree with multiple min_cluster_size values?

  scikit-learn-contrib/hdbscan#682 · Filter by author yun881201 opened on Jul 30, 2025

• How to know which node ID corresponds to which flat cluster label?

  scikit-learn-contrib/hdbscan#681 · Filter by author Hansyvea opened on Jul 15, 2025
  1

• Number of clusters does not match with the number of selected areas in condensed_tree

  scikit-learn-contrib/hdbscan#679 · Filter by author cyr31000 opened on Jun 26, 2025
  3

• cluster_selection_persistence does not prevent low-persistence clusters from appearing

  scikit-learn-contrib/hdbscan#678 · Filter by author notluquis opened on May 25, 2025
  1

• Notebooks in the README seem to have broken links: 503 : Service Unavailable

  scikit-learn-contrib/hdbscan#676 · Filter by author mrgransky opened on May 13, 2025

• Duplicate points (texts) getting clustered into multiple clusters

  scikit-learn-contrib/hdbscan#675 · Filter by author PalrechaSayyam opened on May 8, 2025
  1

• X[labels == cluster_id, :] implicitly expect X to be numpy array

  scikit-learn-contrib/hdbscan#670 · Filter by author dmitrysarov opened on Jan 24, 2025
  1

• FutureWarning: 'force_all_finite' was renamed to 'ensure_all_finite' in 1.6 and will be removed in 1.8.

  scikit-learn-contrib/hdbscan#664 · Filter by author derinwalters opened on Dec 15, 2024
  1

• Build Failure on arch linux [error: ‘PyArray_Descr’ {aka ‘struct _PyArray_Descr’} has no member named ‘subarray’]

  scikit-learn-contrib/hdbscan#662 · Filter by author kbipinkumar opened on Nov 28, 2024
  1

• Branch detection for a specific cluster or cut_distance

  scikit-learn-contrib/hdbscan#660 · Filter by author m-macias opened on Nov 21, 2024
  3

• Different exemplars from same clusters with Numpy 2 on different platforms

  scikit-learn-contrib/hdbscan#655 · Filter by author changhsinlee opened on Sep 4, 2024

• Unneeded cython *imports in dist_metrics.pxd

  scikit-learn-contrib/hdbscan#653 · Filter by author jakirkham opened on Aug 14, 2024

• Test problems using python -m nose -s hdbscan

  scikit-learn-contrib/hdbscan#652 · Filter by author xavgit opened on Aug 13, 2024
  1

• Conversion of an array with ndim > 0 to a scalar is deprecated

  scikit-learn-contrib/hdbscan#647 · Filter by author jakirkham opened on Jul 22, 2024
  1

• HDBScan performance issue with large dataset

  scikit-learn-contrib/hdbscan#645 · Filter by author divya-agrawal3103 opened on Jul 12, 2024
  3

• Unexpected Clustering Result with Given Parameters

  scikit-learn-contrib/hdbscan#643 · Filter by author yata0 opened on Jun 26, 2024