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cast_column to ClassLabel silently accepts out-of-range label indices

Status: Open.

#8494 In huggingface/datasets;

· shoutoutuoadi325 opened on Aug 18, 2026

Dataset.map(num_proc=N) worker crashes with ValueError: I/O operation on closed file when finalize() is interrupted

Status: Open.

#8491 In huggingface/datasets;

· HowardZorn opened on Aug 17, 2026

Dataset.take(n) raises IndexError when n > len(dataset), but IterableDataset.take(n) returns what it has

Status: Open.

#8483 In huggingface/datasets;

· shashvat-singham opened on Aug 15, 2026

ClassLabel.str2int and int2str do not validate the elements of an iterable

Status: Open.

#8481 In huggingface/datasets;

· shashvat-singham opened on Aug 15, 2026

Dataset.select raises a raw OverflowError on in-range negative indices that its own validation allows

Status: Open.

#8475 In huggingface/datasets;

· codeAnqiang-ma opened on Aug 13, 2026

Negative percent split boundary silently anchors to the start when it rounds to 0 (train[-1%:] returns the whole split)

Status: Open.

#8473 In huggingface/datasets;

· codeAnqiang-ma opened on Aug 13, 2026

batch(0) silently returns one batch with the whole dataset instead of raising

Status: Open.

#8472 In huggingface/datasets;

· shashvat-singham opened on Aug 12, 2026

Empty column loses its dtype under numpy format (always float32)

Status: Open.

#8469 In huggingface/datasets;

· shashvat-singham opened on Aug 12, 2026

PandasArrayExtensionDtype has no construct_from_string, so comparing the dtype to any string raises AssertionError

Status: Open.

#8467 In huggingface/datasets;

· shashvat-singham opened on Aug 12, 2026

PandasArrayExtensionArray.take coerces fill_value before checking whether anything is filled, breaking boolean masks on integer array columns

Status: Open.

#8465 In huggingface/datasets;

· shashvat-singham opened on Aug 12, 2026

very bad quality images in most of them

Status: Open.

#8463 In huggingface/datasets;

· anis-mselmi opened on Aug 12, 2026

Replace httpx with httpx2

enhancementNew feature or requestNew feature or request

Status: Open.

#8458 In huggingface/datasets;

· Aegdesil opened on Aug 10, 2026