Issues

• proj_simplex loses the simplex mass with large common floating-point offsets

  PythonOT/POT#879 · Filter by author AHMETHAKANBEZIR1 opened on Oct 2, 2026

• split_sample_ratio raises IndexError for the supported ratio=1 endpoint

  PythonOT/POT#877 · Filter by author AHMETHAKANBEZIR1 opened on Oct 2, 2026

• projection_sparse_simplex fails when max_nz exceeds the projected dimension

  PythonOT/POT#875 · Filter by author AHMETHAKANBEZIR1 opened on Oct 2, 2026

• Backend.logsumexp: keepdims missing from Cupy and Tensorflow backends; Cupy reimplements cupyx.scipy.special.logsumexp

  PythonOT/POT#867 · Filter by author tvercaut opened on Sep 20, 2026

• Backend.arange(..., type_as=...) silently ignores type_as for dtype (and device, in some backends)

  PythonOT/POT#864 · Filter by author tvercaut opened on Sep 18, 2026
  1

• TST check for device mismatch in solvers that support GPU input

  PythonOT/POT#852 · Filter by author tomMoral opened on Sep 11, 2026

• NumpyBackend.seed() rejects a np.random.RandomState instance, forcing callers to special-case it

  bughelp wanted
  PythonOT/POT#848 · Filter by author Samuel-Vangu opened on Sep 7, 2026
  1

• Faster implementation of Wasserstein Discriminant Analysis

  enhancement
  PythonOT/POT#806 · Filter by author dherrera1911 opened on Apr 23, 2026
  5

• Error in ot.gromov.quantized_fused_gromov_wasserstein_partitioned(build_OT=True) returns T in partition-concatenated order (marginals appear permuted)

  bughelp wanted
  PythonOT/POT#786 · Filter by author Zuoyu2524 opened on Jan 4, 2026
  1

  

• Add task runners for tests and extend contributing docs

  Feature request
  PythonOT/POT#638 · Filter by author matthewfeickert opened on Jun 21, 2024

• Jax backend: jax.errors.TracerArrayConversionError

  bughelp wanted
  PythonOT/POT#625 · Filter by author act65 opened on May 21, 2024
  3

• Issue with Importing POT Library in Apple Silicon Environment with TensorFlow

  bughelp wanted
  PythonOT/POT#624 · Filter by author Tommylee1013 opened on May 20, 2024
  1

• DA methods to perform barycentric mapping when input is close enough rather than exactly equal to source

  enhancement
  PythonOT/POT#529 · Filter by author kachayev opened on Oct 1, 2023

• Stricter check_params protocol for DA module would simplify debugging

  bughelp wanted
  PythonOT/POT#528 · Filter by author kachayev opened on Oct 1, 2023
  1

• Documentation Duplication

  bughelp wanted
  PythonOT/POT#527 · Filter by author eloitanguy opened on Sep 21, 2023

• On the applicability of quantile_function and nx.searchsorted on tensors wider than 2D

  bughelp wanted
  PythonOT/POT#518 · Filter by author kachayev opened on Aug 28, 2023
  3

• Manage threading in the backend

  enhancement
  PythonOT/POT#492 · Filter by author patrick-nicodemus opened on Jul 18, 2023

• Removing linear search as a step in GW descent

  enhancement
  PythonOT/POT#491 · Filter by author patrick-nicodemus opened on Jul 18, 2023
  2

• sinkhorn2 and its functorch.vmap compatibility

  enhancement
  PythonOT/POT#482 · Filter by author hmdolatabadi opened on Jun 1, 2023
  3

• Putting upper bound on $\gamma$

  Feature request
  PythonOT/POT#480 · Filter by author ShivKJ opened on May 20, 2023
  1

• Improvements to pointwize and sampled GW variants

  enhancement
  PythonOT/POT#470 · Filter by author patrick-nicodemus opened on May 3, 2023
  1

• Sinkhorn_debiaised_barycenter seems too diffuse

  bughelp wanted
  PythonOT/POT#458 · Filter by author tlacombe opened on Apr 14, 2023
  3

• Fast Sinkhorn Algorithm for Wasserstein-1 Distances

  enhancementnew feature
  PythonOT/POT#390 · Filter by author tolgabirdal opened on Jul 31, 2022
  3

• DistributedDataParallel

  Feature requesthelp wanted
  PythonOT/POT#382 · Filter by author dgm2 opened on Jun 6, 2022
  2

• (Semi-)Supervised Domain Adaptation for regression problem using POT

  enhancement
  PythonOT/POT#348 · Filter by author MrPr3ntice opened on Feb 15, 2022
  3