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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

Status: Open.

#3511 In Lightning-AI/torchmetrics;

· Nicholas022400701 opened on Sep 20, 2026

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

Status: Open.

#3510 In Lightning-AI/torchmetrics;

· Nicholas022400701 opened on Sep 20, 2026

SMAPE overflows for finite inputs with large magnitudes

Status: Open.

#3508 In Lightning-AI/torchmetrics;

· 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

Status: Open.

#3504 In Lightning-AI/torchmetrics;

· Nicholas022400701 opened on Sep 19, 2026

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

Status: Open.

#3499 In Lightning-AI/torchmetrics;

· developer0hye opened on Sep 10, 2026

AdjustedMutualInfoScore mishandles perfect-match limit cases

Status: Open.

#3495 In Lightning-AI/torchmetrics;

· Robertboy18 opened on Sep 8, 2026

One-sided empty inputs are weighted inconsistently in intersection metrics

Status: Open.

#3493 In Lightning-AI/torchmetrics;

· Robertboy18 opened on Sep 8, 2026

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

Status: Open.

#3487 In Lightning-AI/torchmetrics;

· hse3 opened on Sep 8, 2026

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

Status: Open.

#3486 In Lightning-AI/torchmetrics;

· hse3 opened on Sep 8, 2026

Missing objects.inv in docs

documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#3475 In Lightning-AI/torchmetrics;

· adamjstewart opened on Aug 21, 2026

ClasswiseWrapper silently drops values for invalid labels

Status: Open.

#3472 In Lightning-AI/torchmetrics;

· tandede opened on Aug 20, 2026

NMI/AMI return 0.0 instead of 1.0 for two single-cluster labelings

Status: Open.

#3469 In Lightning-AI/torchmetrics;

· AlejandroCoronadoN opened on Aug 20, 2026