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https://api.github.com/repos/huggingface/datasets/issues/8113 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8113/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8113/comments | https://api.github.com/repos/huggingface/datasets/issues/8113/events | https://github.com/huggingface/datasets/pull/8113 | 4,188,441,968 | PR_kwDODunzps7PUfD_ | 8,113 | Parse agent traces | {
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} | Supports claude_code, codex and pi
JSON Lines files are parsed so one file = one row
The resulting row has three fields: harness, session_id, traces, and file_name with features:
```python
AGENT_TRACES_FEATURES = datasets.Features(
{
"harness": datasets.Value("string"),
"session_id": da... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8112 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8112/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8112/comments | https://api.github.com/repos/huggingface/datasets/issues/8112/events | https://github.com/huggingface/datasets/pull/8112 | 4,185,517,824 | PR_kwDODunzps7PMvUa | 8,112 | fix: replace List with Sequence in type hints for public API functions (#5354) | {
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} | ## Summary
Fixes #5354
Replaces `list[X]` with `Sequence[X]` in function argument type annotations
across the public API. `List` is invariant while `Sequence` is covariant,
which means passing a `list` to a parameter typed as `List` causes mypy errors,
even though lists are valid sequences.
## Changes
... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8111 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8111/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8111/comments | https://api.github.com/repos/huggingface/datasets/issues/8111/events | https://github.com/huggingface/datasets/pull/8111 | 4,180,579,790 | PR_kwDODunzps7PAKZk | 8,111 | add sample_by="document" support for jsonl files | {
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} | With more agentic traces (_ie Claude Code / Codex / Pi etc_) being published to the Hub as JSONL files, it would be nice to easily support loading / viewing them in Dataset Viewer.
Datasets like https://huggingface.co/datasets/cfahlgren1/agent-sessions contain one JSONL file per session. Without sample_by, each lin... | {
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https://api.github.com/repos/huggingface/datasets/issues/8110 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8110/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8110/comments | https://api.github.com/repos/huggingface/datasets/issues/8110/events | https://github.com/huggingface/datasets/issues/8110 | 4,176,918,326 | I_kwDODunzps749rc2 | 8,110 | `set_format` resets features | {
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Calling `dataset.set_format('...')` resets the informative features such as `Array2D` etc. back into `List(List(Value))` and so on.
### Steps to reproduce the bug
```py
>>> dataset.features
{'lld': Array2D(shape=(None, 26), dtype='float32')}
>>> dataset.set_format('torch')
>>> dataset.features
... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8109 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8109/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8109/comments | https://api.github.com/repos/huggingface/datasets/issues/8109/events | https://github.com/huggingface/datasets/pull/8109 | 4,170,661,589 | PR_kwDODunzps7Onjr6 | 8,109 | docs: fix typos, grammar, and branding consistency across docs and source | {
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} | This commit addresses several documentation quality issues found across the repository — fixing typos, grammar errors, brand name inconsistencies, and adding modern tooling references for new contributors.
## Changes
### README.md
- Fix duplicate word: "frameworks frameworks" → "frameworks"
- Standardize brand ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8107 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8107/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8107/comments | https://api.github.com/repos/huggingface/datasets/issues/8107/events | https://github.com/huggingface/datasets/pull/8107 | 4,146,270,390 | PR_kwDODunzps7N0KQH | 8,107 | Update WebDataset documentation link | {
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Closes #7699 | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8106 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8106/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8106/comments | https://api.github.com/repos/huggingface/datasets/issues/8106/events | https://github.com/huggingface/datasets/pull/8106 | 4,141,989,496 | PR_kwDODunzps7Nowf0 | 8,106 | Fix: Add validation to prevent duplicate kwargs in load_dataset_builder | {
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} | This PR adds a set intersection check in `load_dataset_builder` to catch overlapping keys between the standard build arguments and `config_kwargs`.
Previously, passing identical keys caused a confusing Python `TypeError` during unpacking. This fix intercepts the duplicates early and raises a clear `ValueError` spec... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8089 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8089/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8089/comments | https://api.github.com/repos/huggingface/datasets/issues/8089/events | https://github.com/huggingface/datasets/pull/8089 | 4,121,294,778 | PR_kwDODunzps7Ms4gk | 8,089 | set dev version | {
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https://api.github.com/repos/huggingface/datasets/issues/8088 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8088/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8088/comments | https://api.github.com/repos/huggingface/datasets/issues/8088/events | https://github.com/huggingface/datasets/pull/8088 | 4,121,279,812 | PR_kwDODunzps7Ms1yp | 8,088 | release: 4.8.4 | {
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https://api.github.com/repos/huggingface/datasets/issues/8087 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8087/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8087/comments | https://api.github.com/repos/huggingface/datasets/issues/8087/events | https://github.com/huggingface/datasets/pull/8087 | 4,121,072,822 | PR_kwDODunzps7MsQdY | 8,087 | Support latest torchvision | {
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https://api.github.com/repos/huggingface/datasets/issues/8085 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8085/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8085/comments | https://api.github.com/repos/huggingface/datasets/issues/8085/events | https://github.com/huggingface/datasets/issues/8085 | 4,120,101,624 | I_kwDODunzps71k8L4 | 8,085 | ImportError: cannot import name 'VideoReader' from 'torchvision.io' when using datasets with torch format | {
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"`datasets` 4.8.4 is out and includes a fix :)"
] | 2026-03-23T11:16:20 | 2026-03-23T14:23:25 | 2026-03-23T14:00:57 | null | NONE | null | null | null | null | ### Describe the bug
For PyTorch 2.11 + torchvision 0.26.0 when using the datasets library and setting the format to "torch", an ImportError occurs because the datasets library attempts to import VideoReader from torchvision.io, but this object is not found in the installed torchvision version.
**Error message**:
> ... | {
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https://api.github.com/repos/huggingface/datasets/issues/8084 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8084/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8084/comments | https://api.github.com/repos/huggingface/datasets/issues/8084/events | https://github.com/huggingface/datasets/pull/8084 | 4,113,045,931 | PR_kwDODunzps7MYMNy | 8,084 | Add reshard support for JSON Lines and CSV file formats | {
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"@lhoestq , hi, lhoestq, could you please help review this PR? Thanks!",
"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_8084). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"> Cool ! I l... | 2026-03-21T16:56:42 | 2026-03-29T07:47:03 | null | null | NONE | null | null | false | {
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} | This PR extends the IterableDataset.reshard() functionality to support JSON Lines and CSV file formats, building on the foundation laid in #7992.
### Summary
- JSON Lines : Resharding splits files by line boundaries (only when num_shards is specified)
- CSV : Resharding splits files by line boundaries (only when n... | null | {
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I also took the opportunity to improve the arrow logic to not have to do an unnecessary python -> arrow -> python in FormattedExamplesIterable when streaming webdatasets | {
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https://api.github.com/repos/huggingface/datasets/issues/8080 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8080/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8080/comments | https://api.github.com/repos/huggingface/datasets/issues/8080/events | https://github.com/huggingface/datasets/pull/8080 | 4,101,869,460 | PR_kwDODunzps7L3DFR | 8,080 | Fix docstring of Json.cast_storage | {
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This PR makes a minor change to the `cast_storage` method in the `Json` feature, updating its return type and documentation to better reflect its intended functionality.
* Updated the `cast_storage` method to return a `pa.JsonArray` instead of a `pa.Int64Array`, and revised t... | {
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https://api.github.com/repos/huggingface/datasets/issues/8079 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8079/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8079/comments | https://api.github.com/repos/huggingface/datasets/issues/8079/events | https://github.com/huggingface/datasets/issues/8079 | 4,099,246,270 | I_kwDODunzps70VYi- | 8,079 | StepExamplesIterable._iter_arrow drops samples for non-zero ranks for single-sharded | {
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As titled
### Steps to reproduce the bug
Running following Python script:
```
"""
Reproducer for HuggingFace datasets 4.x bug:
StepExamplesIterable._iter_arrow drops samples for non-zero ranks
when Arrow batches have size 1 (e.g. single-shard streaming WebDataset).
Bug: split_dataset_by_node w... | {
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https://api.github.com/repos/huggingface/datasets/issues/8078 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8078/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8078/comments | https://api.github.com/repos/huggingface/datasets/issues/8078/events | https://github.com/huggingface/datasets/issues/8078 | 4,086,560,531 | I_kwDODunzps7zk_cT | 8,078 | Inconsistent loading of LFS-hosted files in Dangindev/viet-cultural-vqa dataset | {
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"I also have been stuck in same problem ",
"This should be fixed, thanks for reporting ! let us know if you ever encounter other issues in the future",
"It's okay. \n\nGood job, thanks your support! "
] | 2026-03-17T06:44:01 | 2026-03-30T04:14:29 | 2026-03-30T04:14:29 | null | NONE | null | null | null | null | ### Describe the bug
Describe the bug
Some files in the Dangindev/viet-cultural-vqa dataset fail to load via the Hugging Face datasets library.
xet-hosted files load fine
LFS-hosted files sometimes fail
Example:
Fails: https://huggingface.co/datasets/Dangindev/viet-cultural-vqa/blob/main/images/am_thuc/banh_chung_T... | {
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https://api.github.com/repos/huggingface/datasets/issues/8075 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8075/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8075/comments | https://api.github.com/repos/huggingface/datasets/issues/8075/events | https://github.com/huggingface/datasets/issues/8075 | 4,085,618,908 | I_kwDODunzps7zhZjc | 8,075 | `.batch()` error on formatted datasets | {
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"Hi ! Good catch :) Since table-formatted iterable datasets have an Arrow path (i.e. they have `.iter_arrow()`) I guess a simple fix would be to make `.batch()` make the dataset arrow-formatted and use a `batch_arrow_fn` in that case (instead of the current `_batch_fn` that expects dictionaries). It would also be b... | 2026-03-17T01:08:13 | 2026-03-20T00:23:14 | null | null | COLLABORATOR | null | null | null | null | The `.batch()` method currently assumes the input (batch) is always a dictionary, which causes errors when it isn't. This can happen with formatted datasets, since formats like `"pyarrow"`, `"pandas"` (only affects `IterableDataset`), and `"polars"` return tables/dataframes instead of dictionaries.
For example:
```pyt... | null | {
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related: https://github.com/apache/arrow/issues/9886 | {
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https://api.github.com/repos/huggingface/datasets/issues/8068 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8068/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8068/comments | https://api.github.com/repos/huggingface/datasets/issues/8068/events | https://github.com/huggingface/datasets/pull/8068 | 4,079,149,641 | PR_kwDODunzps7Kwbp4 | 8,068 | Datasets streaming iterable packaged fixes | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_8068). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.",
"Fixing soon :)",
"Amazing PR ! I took the liberty of pushing a few fixes to account f... | 2026-03-15T20:37:55 | 2026-03-17T17:33:57 | 2026-03-16T22:54:07 | null | CONTRIBUTOR | null | null | false | {
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"merged_at": "2026-03-16T22:54... | This PR ckumps a bunch of fixes across streaming, iterable datasets, and packaged modules, plus workflow/docs cleanups.
A collection of fixes and long-overdue feature completions that kept getting pushed off as TODO(QL) comments. Nothing here is a dramatic architectural change, mostly things that were partially wire... | {
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https://api.github.com/repos/huggingface/datasets/issues/8067 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8067/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8067/comments | https://api.github.com/repos/huggingface/datasets/issues/8067/events | https://github.com/huggingface/datasets/pull/8067 | 4,076,680,592 | PR_kwDODunzps7KpJ1W | 8,067 | typing: accept sequences for Dataset file loaders | {
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} | ## Summary
- update `Dataset.from_csv`, `from_json`, `from_parquet`, and `from_text` type hints from `list[PathLike]` to `Sequence[PathLike]`
- normalize non-string sequences to lists before passing paths to readers
- add path-type tests to cover tuple input for all four loaders
## Why
`list` is invariant for static t... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8066 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8066/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8066/comments | https://api.github.com/repos/huggingface/datasets/issues/8066/events | https://github.com/huggingface/datasets/pull/8066 | 4,076,658,501 | PR_kwDODunzps7KpFze | 8,066 | fix: avoid duplicate kwargs collisions in load_dataset_builder | {
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"I believe this was fixed in https://github.com/huggingface/datasets/pull/8068"
] | 2026-03-14T20:26:16 | 2026-03-17T00:04:08 | 2026-03-17T00:04:07 | null | NONE | null | null | false | {
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} | ## Summary
- avoid duplicate keyword collisions when `config_kwargs` overlap with module-provided `builder_kwargs` in `load_dataset_builder`
- this fixes cases like passing `base_path=...` where `base_path` is already present in `builder_kwargs`
- add a regression test using a local dataset directory to ensure overridi... | {
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https://api.github.com/repos/huggingface/datasets/issues/8065 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8065/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8065/comments | https://api.github.com/repos/huggingface/datasets/issues/8065/events | https://github.com/huggingface/datasets/issues/8065 | 4,073,606,584 | I_kwDODunzps7yzk24 | 8,065 | ARM audio support broken | {
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"See also https://github.com/NVIDIA/garak/issues/1622#issuecomment-3937720381",
"Hi @leondz , thanks for the detailed bug report — the description and reproduction steps are really clear.\n\nI’d love to take a shot at investigating and potentially fixing this issue. Before I start digging into the codebase, I jus... | 2026-03-13T22:06:36 | 2026-03-23T14:16:47 | null | null | CONTRIBUTOR | null | null | null | null | ### Describe the bug
`datasets` 4.0 moved to using `torchcodec` for audio datasets, which doesn't support ARM hardware under Linux and Windows
### Steps to reproduce the bug
try:
* Try to install `torchcodec` under Linux ARM64
or:
* Try to install `torchcodec` under Windows ARM64
or, on either of those platforms... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8064 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8064/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8064/comments | https://api.github.com/repos/huggingface/datasets/issues/8064/events | https://github.com/huggingface/datasets/pull/8064 | 4,064,944,679 | PR_kwDODunzps7KDQH- | 8,064 | Read (and write) from HF Storage Buckets: load raw data, process and save to Dataset Repos | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_8064). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2026-03-12T14:09:29 | 2026-03-16T15:45:56 | 2026-03-16T15:45:54 | null | MEMBER | null | null | false | {
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"merged_at": "2026-03-16T15:45... | TODO:
- [x] load_dataset("csv", data_files=["hf://buckets/..."])
- [x] load_dataset("buckets/...")
- [x] Dataset.to_csv("hf://buckets/..."), to_json, to_parquet, etc.
- [x] DatasetDict.push_to_hub("buckets/...")
- [x] Dataset.push_to_hub("buckets/...")
- [x] DatasetDict.push_to_hub("buckets/...")
- [x] IterableD... | {
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https://api.github.com/repos/huggingface/datasets/issues/8063 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8063/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8063/comments | https://api.github.com/repos/huggingface/datasets/issues/8063/events | https://github.com/huggingface/datasets/pull/8063 | 4,064,033,042 | PR_kwDODunzps7KAPNO | 8,063 | Fix formatted iter arrow double yield | {
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"The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_8063). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update."
] | 2026-03-12T11:37:26 | 2026-03-17T00:08:32 | 2026-03-17T00:06:15 | null | CONTRIBUTOR | null | null | false | {
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"merged_at": "2026-03-17T00:06... | I (+Claude) noticed this when reading the code. I did not encounter this bug (I think) so I can't say much more about it. Perhaps the second iteration will immediately stop so the bug is harmless, but to be safe I think a return there is safer. | {
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https://api.github.com/repos/huggingface/datasets/issues/8062 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8062/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8062/comments | https://api.github.com/repos/huggingface/datasets/issues/8062/events | https://github.com/huggingface/datasets/pull/8062 | 4,064,013,989 | PR_kwDODunzps7KALNc | 8,062 | Fix iterable dataset dict num proc shards | {
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"I believe this was fixed in https://github.com/huggingface/datasets/pull/8068"
] | 2026-03-12T11:34:02 | 2026-03-17T00:10:20 | 2026-03-17T00:10:19 | null | CONTRIBUTOR | null | null | false | {
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} | If the number of shards for some split is lower than num_proc the IterableDatasetDict.push_to_hub will crash.
This handling of num_proc is as close to identical as the handling in IterableDataset.push_to_hub | {
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https://api.github.com/repos/huggingface/datasets/issues/8061 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8061/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8061/comments | https://api.github.com/repos/huggingface/datasets/issues/8061/events | https://github.com/huggingface/datasets/pull/8061 | 4,058,881,349 | PR_kwDODunzps7JvjMu | 8,061 | fix reshard_data_sources | {
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https://api.github.com/repos/huggingface/datasets/issues/8060 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8060/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8060/comments | https://api.github.com/repos/huggingface/datasets/issues/8060/events | https://github.com/huggingface/datasets/pull/8060 | 4,058,653,460 | PR_kwDODunzps7Juyj9 | 8,060 | Improve error message for invalid data_files pattern format | {
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"merged_at": "2026-03-11T15:21... | This PR improves the error message raised in sanitize_patterns()
when an invalid data_files entry is provided.
The new message clearly explains the expected dictionary format:
{'split': <split_name>, 'path': <path_or_list_of_paths>}
This helps users debug incorrect dataset configurations more easily. | {
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https://api.github.com/repos/huggingface/datasets/issues/8059 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8059/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8059/comments | https://api.github.com/repos/huggingface/datasets/issues/8059/events | https://github.com/huggingface/datasets/pull/8059 | 4,047,389,910 | PR_kwDODunzps7JKln6 | 8,059 | set dev version | {
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https://api.github.com/repos/huggingface/datasets/issues/8058 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8058/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8058/comments | https://api.github.com/repos/huggingface/datasets/issues/8058/events | https://github.com/huggingface/datasets/pull/8058 | 4,047,337,789 | PR_kwDODunzps7JKal1 | 8,058 | release: 4.7.0 | {
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https://api.github.com/repos/huggingface/datasets/issues/8057 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8057/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8057/comments | https://api.github.com/repos/huggingface/datasets/issues/8057/events | https://github.com/huggingface/datasets/pull/8057 | 4,047,214,377 | PR_kwDODunzps7JKAxA | 8,057 | Limit dataset listing to first 20 entries in readme | {
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https://api.github.com/repos/huggingface/datasets/issues/8056 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8056/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8056/comments | https://api.github.com/repos/huggingface/datasets/issues/8056/events | https://github.com/huggingface/datasets/pull/8056 | 4,046,814,417 | PR_kwDODunzps7JIr7d | 8,056 | Don't extract bad files | {
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https://api.github.com/repos/huggingface/datasets/issues/8055 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8055/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8055/comments | https://api.github.com/repos/huggingface/datasets/issues/8055/events | https://github.com/huggingface/datasets/pull/8055 | 4,042,507,479 | PR_kwDODunzps7I6knM | 8,055 | feat: add 3D mesh support and MeshFolder builder | {
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"### A Test Conducted:\r\n\r\n```python\r\nfrom datasets import Features, Value, Sequence, Image, Audio, Mesh, load_dataset\r\n\r\n# Define features.\r\nfeatures = Features({\r\n 'id': Value('string'),\r\n 'objaverse_uid': Value('string'),\r\n 'text': Value('string'),\r\n 'image': Image(),\r\n 'audio... | 2026-03-09T00:03:16 | 2026-03-29T17:45:20 | null | null | NONE | null | null | false | {
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} | This PR introduces 3D mesh support to the `datasets` library, mirroring the existing paradigms for Image, Audio, and Video modalities. this is made to support 3D data just like image, audio, etc...
new `Mesh`feature class, which manages 3D data via a PyArrow `struct` containing both raw bytes and file paths. support... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8054 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8054/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8054/comments | https://api.github.com/repos/huggingface/datasets/issues/8054/events | https://github.com/huggingface/datasets/pull/8054 | 4,042,146,910 | PR_kwDODunzps7I5elG | 8,054 | fix(arrow_dataset): initialise writer on first non-None map result, not on i==0 | {
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} | ## Summary
`Dataset.map` crashes with `AttributeError: 'NoneType' object has no attribute 'write'` when the map function returns `None` for the first N examples and a dict for later ones (issue #7990).
## Root Cause
The `ArrowWriter` was initialised with a guard tied to the example index:
```python
# Non-batched pa... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8053 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8053/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8053/comments | https://api.github.com/repos/huggingface/datasets/issues/8053/events | https://github.com/huggingface/datasets/pull/8053 | 4,042,143,431 | PR_kwDODunzps7I5d8p | 8,053 | fix(iterable_dataset): preserve features when chaining filter() on typed IterableDataset | {
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"merged_at": "2026-03-09T17:44... | ## Summary
Chaining two `.filter()` calls on an `IterableDataset` with explicit features raises:
```
TypeError: 'NoneType' object is not a mapping
```
on the second `.filter()` call (issue #8037).
## Root Cause
After the first `.filter()`, the internal `ex_iterable` becomes _typed_ (`is_typed=True`) because `Filte... | {
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