Issues

• Integration proposal: JLD and JLD-fast image perceptual distances

  Lightning-AI/torchmetrics#3561 · Filter by author shreshthsaini opened on Oct 7, 2026
  1

• ProcrustesDisparity returns a zero-score tuple for invalid clouds and crashes in update

  Lightning-AI/torchmetrics#3542 · Filter by author Yang1107-wzy opened on Oct 2, 2026
  1

• Perplexity returns inf when a target token's softmax probability underflows

  Lightning-AI/torchmetrics#3537 · Filter by author MohammadHijjawi97 opened on Sep 30, 2026

• FleissKappa with mode="probs" raises when there are fewer raters than categories

  Lightning-AI/torchmetrics#3536 · Filter by author MohammadHijjawi97 opened on Sep 30, 2026
  1

• MSE and RMSE reject non-contiguous inputs in the default single-output path

  Lightning-AI/torchmetrics#3534 · Filter by author AHMETHAKANBEZIR1 opened on Sep 30, 2026

• Mean absolute error wraps small-integer residuals before taking abs

  Lightning-AI/torchmetrics#3532 · Filter by author AHMETHAKANBEZIR1 opened on Sep 30, 2026

• LogCoshError silently wraps residuals for smaller integer dtypes

  Lightning-AI/torchmetrics#3528 · Filter by author AHMETHAKANBEZIR1 opened on Sep 30, 2026
  1

• R2Score reports a perfect score for a mean predictor after rescaling nonconstant targets

  Lightning-AI/torchmetrics#3523 · Filter by author galleonli opened on Sep 29, 2026
  1

• Spearman correlation flips sign for a large tie

  Lightning-AI/torchmetrics#3521 · Filter by author SashaMIT opened on Sep 29, 2026
  1

• multilabel_ranking_loss depends on label order when scores are tied

  Lightning-AI/torchmetrics#3519 · Filter by author kratos0718 opened on Sep 29, 2026
  1

• Retrieval MAP, MRR, precision and recall treat non-positive scores as not retrieved

  Lightning-AI/torchmetrics#3518 · Filter by author aalquwayfili opened on Sep 28, 2026
  1

• WER/CER return inf/nan with no warning when the total reference length is zero; jiwer defines a value for this case

  Lightning-AI/torchmetrics#3516 · Filter by author shaurya416 opened on Sep 25, 2026
  1

• Feature Request: Add Fréchet Video Distance (FVD)

  enhancement
  Lightning-AI/torchmetrics#3515 · Filter by author lavinal712 opened on Sep 25, 2026
  1

• ConcordanceCorrCoef mixes (n-1) variances with a 1/n mean term, so it does not match Lin's CCC

  bug / fixhelp wanted
  Lightning-AI/torchmetrics#3512 · Filter by author lucaluo925 opened on Sep 24, 2026
  1

• MER, WIL and WIP approximate the alignment hits from the edit distance and are wrong when a sentence has both a deletion and an insertion

  Lightning-AI/torchmetrics#3511 · Filter by author Nicholas022400701 opened on Sep 20, 2026
  2

• Calibration error counts a confidence of exactly 1.0 in an extra bin instead of the last bin

  Lightning-AI/torchmetrics#3510 · Filter by author Nicholas022400701 opened on Sep 20, 2026

• SMAPE overflows for finite inputs with large magnitudes

  Lightning-AI/torchmetrics#3508 · Filter by author Robertboy18 opened on Sep 20, 2026

• BLEUScore picks the first reference on a length tie and never smooths when an n-gram order has no matches

  Lightning-AI/torchmetrics#3504 · Filter by author Nicholas022400701 opened on Sep 19, 2026
  1

• Add an optional ultrafast-pycocotools backend for COCO mean average precision

  Lightning-AI/torchmetrics#3499 · Filter by author developer0hye opened on Sep 10, 2026
  1

• AdjustedMutualInfoScore mishandles perfect-match limit cases

  Lightning-AI/torchmetrics#3495 · Filter by author Robertboy18 opened on Sep 8, 2026

• One-sided empty inputs are weighted inconsistently in intersection metrics

  Lightning-AI/torchmetrics#3493 · Filter by author Robertboy18 opened on Sep 8, 2026

• Metric.forward() drops previously accumulated state when batch computation raises

  Lightning-AI/torchmetrics#3487 · Filter by author hse3 opened on Sep 8, 2026

• Metric.sync_context leaves the metric synchronized when compute() raises

  Lightning-AI/torchmetrics#3486 · Filter by author hse3 opened on Sep 8, 2026
  1

• Missing objects.inv in docs

  documentation
  Lightning-AI/torchmetrics#3475 · Filter by author adamjstewart opened on Aug 21, 2026

• ClasswiseWrapper silently drops values for invalid labels

  Lightning-AI/torchmetrics#3472 · Filter by author tandede opened on Aug 20, 2026
  1