Issues

• Possible index mismatch in transform() with unique=True

  lmcinnes/umap#1280 · Filter by author idnantimar opened on Jul 30, 2026

• random_state does not make UMAP deterministic when the input contains duplicate rows

  lmcinnes/umap#1277 · Filter by author OscarRunsCode opened on Jun 11, 2026
  1

• Importing umap throws "SystemError: CPUDispatcher(<function make_heap at 0x0000020B1ACFEE80>) returned a result with an exception set"

  lmcinnes/umap#1259 · Filter by author actopozipc opened on May 19, 2026
  1

• Details of UMAP metric options

  lmcinnes/umap#1246 · Filter by author cbareghub opened on Mar 4, 2026
  2

• pynndescent 0.6.0 bug

  lmcinnes/umap#1239 · Filter by author timothee-l opened on Feb 9, 2026

• umap-learn==0.5.10 not available in PyPI

  lmcinnes/umap#1234 · Filter by author filipeo2-mck opened on Dec 10, 2025

• Differences in results between the old and new versions

  lmcinnes/umap#1232 · Filter by author KnSun99 opened on Dec 5, 2025
  4

• ZeroDivisionError in inverse_transform()

  lmcinnes/umap#1228 · Filter by author jvpeetz opened on Nov 2, 2025
  6

• Is there any way I can get the gradient value of the alignment loss

  lmcinnes/umap#1227 · Filter by author SSSRgo opened on Oct 31, 2025
  1

• Computational of the local dimension interrupted by empty return values from PCA

  lmcinnes/umap#1225 · Filter by author gxli opened on Oct 25, 2025

• UMAP transform yields different embeddings for the same fitted model when transforming a subset vs. transforming all then sub-selecting

  lmcinnes/umap#1224 · Filter by author avishai111 opened on Oct 20, 2025

• Applying transform() to mixed datasets.

  lmcinnes/umap#1221 · Filter by author jackcturner opened on Oct 9, 2025
  2

• Increasing loss on ParametricUMAP training with Keras 3.7 on GPU

  lmcinnes/umap#1211 · Filter by author jacobgolding opened on Jul 31, 2025
  1

• umap-learn-0.5.8 has not been published on pypi ?!?

  lmcinnes/umap#1204 · Filter by author stonebig opened on Jun 8, 2025

• add annembed to UMAP

  lmcinnes/umap#1203 · Filter by author jianshu93 opened on May 19, 2025

• Nan during GPU training

  lmcinnes/umap#1200 · Filter by author bencedm opened on May 6, 2025
  8

• TypeError: unhashable type: 'list' on import

  lmcinnes/umap#1198 · Filter by author TravelsandBooks opened on Apr 21, 2025

• omp_set_nested routine deprecated, please use omp_set_max_active_levels instead

  lmcinnes/umap#1197 · Filter by author carlosgmartin opened on Apr 12, 2025
  1

• How to optimize UMAP parameters for UMAP enhanced HDBSCAN clustering on 1536 dimension embeddings

  lmcinnes/umap#1196 · Filter by author BharathiSubramanian-Bain opened on Apr 10, 2025
  1

• changing in the setup.py

  lmcinnes/umap#1193 · Filter by author alejandrosantanabonilla opened on Mar 23, 2025

• Best way to compress Parametric UMAP encoder files (if possible)

  lmcinnes/umap#1192 · Filter by author cassiasamp opened on Mar 19, 2025

• ONNX export bug

  lmcinnes/umap#1187 · Filter by author brunoalvarez5 opened on Feb 20, 2025

• Is it possible to use UMAP to analyze and find correspondences between gaussian distributions of different space?

  lmcinnes/umap#1186 · Filter by author ttsesm opened on Feb 20, 2025

• Theoretical question about scaling to an arbitrary number of points

  lmcinnes/umap#1185 · Filter by author sjfleming opened on Feb 11, 2025
  2

• Conflict with Bokeh when trying to import umap.plot - using sagemaker lab

  lmcinnes/umap#1184 · Filter by author gg4u opened on Feb 10, 2025