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https://api.github.com/repos/huggingface/datasets/issues/8315 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8315/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8315/comments | https://api.github.com/repos/huggingface/datasets/issues/8315/events | https://github.com/huggingface/datasets/pull/8315 | 4,849,890,950 | PR_kwDODunzps7v6TJQ | 8,315 | Fix size_str(0) returning "Unknown size" instead of "0 bytes" | {
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} | `size_str` uses `if not size_in_bytes:` to return `"Unknown size"`, which also catches `0`. But `0` is a valid size (0 bytes), and the docstring states that only `None` means "Unknown size". So a 0-byte size (e.g. an empty split) currently renders as "Unknown size":
```python
>>> from datasets.utils.py_utils import... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8314 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8314/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8314/comments | https://api.github.com/repos/huggingface/datasets/issues/8314/events | https://github.com/huggingface/datasets/pull/8314 | 4,849,455,669 | PR_kwDODunzps7v46i1 | 8,314 | Fix to_json(lines=False) producing invalid JSON for multi-batch datasets | {
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} | Fixes #7037.
to_json(lines=False) concatenated batch JSON arrays directly (like [...][...][...]), which is invalid JSON. Fixed by stripping outer brackets from each batch with orient=records and wrapping in a single array. | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8313 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8313/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8313/comments | https://api.github.com/repos/huggingface/datasets/issues/8313/events | https://github.com/huggingface/datasets/pull/8313 | 4,843,463,896 | PR_kwDODunzps7vlZFI | 8,313 | Fix crash on millisecond-scale started_at in hermes agent traces | {
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} | ## Summary
Parsing a hermes-format agent trace whose `started_at` is expressed in milliseconds crashes with `OSError: [Errno 22] Invalid argument`.
## The bug
`src/datasets/packaged_modules/json/json.py` normalizes `started_at` before feeding it to `datetime.fromtimestamp` (which expects **seconds**), using a magnit... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8312 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8312/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8312/comments | https://api.github.com/repos/huggingface/datasets/issues/8312/events | https://github.com/huggingface/datasets/pull/8312 | 4,835,483,160 | PR_kwDODunzps7vLR6W | 8,312 | Fix Dataset.take raising IndexError when taking more elements than available | {
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} | ### Description
`Dataset.take(n)` is implemented as `self.select(range(n))`, so when `n` is larger than the dataset length it raises `IndexError: Index N out of range for dataset of size M` instead of returning the whole dataset. This is inconsistent with `IterableDataset.take`, which clamps and returns all available e... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8311 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8311/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8311/comments | https://api.github.com/repos/huggingface/datasets/issues/8311/events | https://github.com/huggingface/datasets/pull/8311 | 4,832,988,791 | PR_kwDODunzps7vDKY3 | 8,311 | Fix silent dataset truncation in batched map with mismatched empty column (#6879) | {
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} | ## What does this PR do?
Fixes #6879.
`Dataset.map(fn, batched=True)` silently truncates the dataset to **0 rows** (instead of raising) when the mapping function empties an *existing* column while another column stays non-empty.
### Reproducer (from the issue)
```python
import datasets
data = datasets.Dataset.from_... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8310 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8310/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8310/comments | https://api.github.com/repos/huggingface/datasets/issues/8310/events | https://github.com/huggingface/datasets/pull/8310 | 4,821,704,510 | PR_kwDODunzps7ueW6y | 8,310 | Make patch_submodule robust to __builtins__ being a module (PyPy / __main__) | {
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} | Closes #7636.
### Problem
`patch_submodule` reads the builtins through `globals()["__builtins__"]`:
```python
elif target_attr in globals()["__builtins__"]: # if it's a builtin like "open"
self.original[target_attr] = globals()["__builtins__"][target_attr]
```
The value of a module's `__builtins__` global is a... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8309 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8309/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8309/comments | https://api.github.com/repos/huggingface/datasets/issues/8309/events | https://github.com/huggingface/datasets/pull/8309 | 4,818,217,806 | PR_kwDODunzps7uS_TH | 8,309 | Make doc builds faster | {
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} | Companion to the doc-builder tracker: huggingface/doc-builder#802
🤖 Generated with [Claude Code](https://claude.com/claude-code) | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8308 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8308/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8308/comments | https://api.github.com/repos/huggingface/datasets/issues/8308/events | https://github.com/huggingface/datasets/issues/8308 | 4,818,109,751 | I_kwDODunzps8AAAABHy6FNw | 8,308 | Streaming IterableDataset state stops advancing after first resume — second resume restarts from the beginning | {
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## Description
For a streaming `IterableDataset`, calling `load_state_dict()` and then continuing to iterate leaves `state_dict()` frozen at the initial position (`shard_idx=0`, `shard_example_idx=0`). Reading resumes correctly the first time, but the tracked state never advances again.
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https://api.github.com/repos/huggingface/datasets/issues/8307 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8307/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8307/comments | https://api.github.com/repos/huggingface/datasets/issues/8307/events | https://github.com/huggingface/datasets/pull/8307 | 4,814,981,536 | PR_kwDODunzps7uIqj_ | 8,307 | Improve missing tsfile dependency error | {
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} | Related to #8256
This PR improves the error message when the optional `tsfile` dependency is unavailable.
Currently, loading a TSFile dataset without `tsfile` installed raises a raw:
ModuleNotFoundError: No module named 'tsfile'
This change raises a clearer ImportError instead:
ImportError: To support lo... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8306 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8306/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8306/comments | https://api.github.com/repos/huggingface/datasets/issues/8306/events | https://github.com/huggingface/datasets/pull/8306 | 4,814,736,642 | PR_kwDODunzps7uH7t7 | 8,306 | Fix `add_column` parameter order so `feature` precedes `new_fingerprint` | {
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} | ### What
`Dataset.add_column`'s signature is `(name, column, new_fingerprint=None, feature=None)`, but:
- its own docstring documents the third argument as `feature` (not `new_fingerprint`), and
- every sibling `@fingerprint_transform` method keeps `new_fingerprint` as the **last** parameter (e.g. `cast_column(column... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8303 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8303/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8303/comments | https://api.github.com/repos/huggingface/datasets/issues/8303/events | https://github.com/huggingface/datasets/pull/8303 | 4,805,200,544 | PR_kwDODunzps7trDJb | 8,303 | Fix symlink-following arbitrary file write in archive extraction | {
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"merged_at": "2026-07-06T10:04... | Extractor.extract() called shutil.rmtree(output_path, ignore_errors=True) before extracting. Since Python 3.8, shutil.rmtree() raises OSError on a symlink pointing to a directory, which ignore_errors=True silently swallows. An attacker with write access to a shared cache directory could pre-plant a symlink at the predi... | {
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https://api.github.com/repos/huggingface/datasets/issues/8302 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8302/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8302/comments | https://api.github.com/repos/huggingface/datasets/issues/8302/events | https://github.com/huggingface/datasets/issues/8302 | 4,804,667,688 | I_kwDODunzps8AAAABHmFpKA | 8,302 | Turkish DIK-style Syntactic Structure Benchmark Dataset | {
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... | open | false | [] | null | 8 | 2026-07-03T15:33:39 | 2026-08-27T07:40:40 | null | null | NONE | [] | null | null | null | null | ### Feature request
A structured dataset proposal introducing a Turkish syntactic structure benchmark designed for evaluating LLMs on fine-grained grammatical reasoning in a morphologically rich language.
Current NLP datasets in Hugging Face focus heavily on surface-level semantic tasks or English-centric benchmarks.... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8301 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8301/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8301/comments | https://api.github.com/repos/huggingface/datasets/issues/8301/events | https://github.com/huggingface/datasets/pull/8301 | 4,803,858,831 | PR_kwDODunzps7tmuV3 | 8,301 | Fix lance auth | {
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"merged_at": "2026-07-03T14:17... | fix two bugs
- `TypeError: argument 'storage_options': 'None' is not an instance of 'str'` because "token": None is not supported in storage_options
- download_config.storage_options was empty and therefore the token for private datasets was not passed to lance | {
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https://api.github.com/repos/huggingface/datasets/issues/8299 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8299/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8299/comments | https://api.github.com/repos/huggingface/datasets/issues/8299/events | https://github.com/huggingface/datasets/pull/8299 | 4,796,399,878 | PR_kwDODunzps7tOQW5 | 8,299 | Fix MetadataConfigs dropping parquet shards for non-consecutive configs | {
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} | Fixes #8269
## Problem
`MetadataConfigs._from_exported_parquet_files_and_dataset_infos()` groups the exported parquet files with `itertools.groupby(exported_parquet_files, itemgetter("config"))`. `groupby` only groups **consecutive** equal keys, but the result is built as a dict keyed by config name:
```python
metad... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8298 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8298/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8298/comments | https://api.github.com/repos/huggingface/datasets/issues/8298/events | https://github.com/huggingface/datasets/pull/8298 | 4,790,672,091 | PR_kwDODunzps7s7tdy | 8,298 | Replace distutils.util.strtobool in tests with a local helper | {
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} | ## What this fixes
`tests/utils.py` imports `strtobool` from `distutils.util`:
```python
from distutils.util import strtobool
```
`distutils` was removed from the standard library in **Python 3.12** ([PEP 632](https://peps.python.org/pep-0632/)). `tests/utils.py` is imported (via `from .utils import ...`) by **20 te... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8297 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8297/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8297/comments | https://api.github.com/repos/huggingface/datasets/issues/8297/events | https://github.com/huggingface/datasets/pull/8297 | 4,782,770,650 | PR_kwDODunzps7sh2Y4 | 8,297 | Fix: preserve features after IterableDataset.add_column (GH#5752) | {
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} | ## Problem
After calling `.add_column()` on a streaming `IterableDataset`, accessing `.features` returns `None`:
```python
from datasets import load_dataset
ds = load_dataset("...", streaming=True)
print(ds.features) # {'text': Value('string'), ...}
ds2 = ds.add_column("new_column", ["val"] * len(ds))
print(ds2.fe... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8296 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8296/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8296/comments | https://api.github.com/repos/huggingface/datasets/issues/8296/events | https://github.com/huggingface/datasets/issues/8296 | 4,779,554,534 | I_kwDODunzps8AAAABHOI25g | 8,296 | [security] Symlink-Following Arbitrary File Write via Archive Extraction in huggingface/datasets | {
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## Summary
A symlink-following vulnerability exists in the archive extraction subsystem of `huggingface/datasets` that allows a local attacker with write access to a shared HuggingFace cache directory to write arbitrary files with the victim's privileges, by pre-planting a symlink at a predictabl... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8295 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8295/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8295/comments | https://api.github.com/repos/huggingface/datasets/issues/8295/events | https://github.com/huggingface/datasets/pull/8295 | 4,778,148,778 | PR_kwDODunzps7sSwmy | 8,295 | Bug Fix: Resuming Twice Resets the Dataloader | {
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"merged_at": "2026-07-06T15:19... | ## Summary
For a streaming `IterableDataset`, calling `load_state_dict()` and then continuing to iterate leaves `state_dict()` at the initial position (`shard_idx=0`, `shard_example_idx=0`). Reading resumes from the correct place, but the the state never advances again.
The practical consequence shows up on the ... | {
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https://api.github.com/repos/huggingface/datasets/issues/8294 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8294/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8294/comments | https://api.github.com/repos/huggingface/datasets/issues/8294/events | https://github.com/huggingface/datasets/pull/8294 | 4,777,402,296 | PR_kwDODunzps7sQSQZ | 8,294 | docs(py_utils): add missing docstrings to 5 public utility functions | {
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} | ## What does this PR do?
Adds missing docstrings to five public utility functions in `src/datasets/utils/py_utils.py`. Each docstring follows the HuggingFace documentation style with `Args`, `Returns`, `Raises`, and `Example` sections.
**Functions documented:**
| Function | What it does |
|---|---|
| `glob_pattern_t... | null | {
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... | open | false | [] | null | 1 | 2026-06-30T05:44:23 | 2026-07-03T13:40:43 | null | null | NONE | [] | null | null | null | null | ### Feature request
It would be useful if concatenating multiple `IterableDataset`s could preserve the shard information from each input dataset, so that:
- the total number of shards equals the sum of the input shards;
- `split_dataset_by_node()` and worker sharding continue to work efficiently;
- downstream distrib... | null | {
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} | Fix #8197
This PR introduces the `skip_origin_metadata` kwarg to skip costly origin metadata fetching (ETags/mtime) when it's not needed, improving streaming initialization latency. This saves number of files `fs.info` calls per `load_dataset` call.
### Changes
- **Kwarg Plumbing**: Routes the `skip_origin_metadat... | {
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https://api.github.com/repos/huggingface/datasets/issues/8290 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8290/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8290/comments | https://api.github.com/repos/huggingface/datasets/issues/8290/events | https://github.com/huggingface/datasets/pull/8290 | 4,765,649,212 | PR_kwDODunzps7rpmpe | 8,290 | Fix docstring example for select_columns in IterableDatasetDict | {
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} | Fix docstring example for select_columns in IterableDatasetDict.
This PR updates the usage example for selecting columns in a streaming dataset. The example now correctly uses the `select_columns` method instead of the outdated `select` method.
### Changes
- **Documentation update:**
* Updated the example i... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8289 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8289/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8289/comments | https://api.github.com/repos/huggingface/datasets/issues/8289/events | https://github.com/huggingface/datasets/pull/8289 | 4,764,845,785 | PR_kwDODunzps7rm9iX | 8,289 | Add regression test suite for datasets (QA) | {
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} | ## What does this PR do?
Adds a data-driven manual/semi-automated **regression test suite** for `datasets` at `tests/regression/regression_suite.md` (128 test cases).
The suite was built by mining 984 historical issues (2020-04 → 2021-09) to find the bug categories that keep repeating, cross-checking the currently-op... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8288 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8288/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8288/comments | https://api.github.com/repos/huggingface/datasets/issues/8288/events | https://github.com/huggingface/datasets/pull/8288 | 4,764,844,456 | PR_kwDODunzps7rm9RQ | 8,288 | Fix duplicate word in HubBucketDatasetModuleFactory docstring | {
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} | Removes a duplicated "a" in the `HubBucketDatasetModuleFactory` docstring in `src/datasets/load.py`:
"...data files of a a Storage Bucket." → "...data files of a Storage Bucket."
Documentation-only change; no code behavior affected. | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8287 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8287/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8287/comments | https://api.github.com/repos/huggingface/datasets/issues/8287/events | https://github.com/huggingface/datasets/pull/8287 | 4,755,535,583 | PR_kwDODunzps7rKCbR | 8,287 | docs(video_load): fix typos 'effiently' and 'whithin' | {
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} | Fixes two typos in `docs/source/video_load.mdx`:
- "effiently" -> "efficiently" in the description of `get_frames_in_range`
- "whithin" -> "within" in the description of `get_frames_played_in_range`
Both flagged by `typos` (typos-cli 1.47.2) and verified by reading the surrounding context.
## AI assistance
This patc... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8286 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8286/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8286/comments | https://api.github.com/repos/huggingface/datasets/issues/8286/events | https://github.com/huggingface/datasets/pull/8286 | 4,754,239,506 | PR_kwDODunzps7rFykk | 8,286 | Share fsspec filesystem across threads when resolving data files | {
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} | ## What does this PR do?
Fixes #8149.
`_get_origin_metadata` resolves each data file in a `ThreadPoolExecutor` and every worker builds its own filesystem via `url_to_fs` since fsspec caches filesystem instances per thread. For cloud backends like `s3://` or `gcs://` this re-resolves credentials and opens a new co... | {
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https://api.github.com/repos/huggingface/datasets/issues/8285 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8285/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8285/comments | https://api.github.com/repos/huggingface/datasets/issues/8285/events | https://github.com/huggingface/datasets/pull/8285 | 4,752,014,902 | PR_kwDODunzps7q-fxf | 8,285 | fix: pass hub token when embedding external files during push_to_hub | {
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} | ## Summary
- Fixes gated-repo failures when `Dataset.push_to_hub(..., embed_external_files=True)` embeds `hf://` image/audio paths into Parquet shards.
- `_push_parquet_shards_to_hub_single` now builds a `token_per_repo_id` map from shard paths (and destination repo metadata) and passes it to `embed_table_storage`, mat... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8284 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8284/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8284/comments | https://api.github.com/repos/huggingface/datasets/issues/8284/events | https://github.com/huggingface/datasets/pull/8284 | 4,750,361,058 | PR_kwDODunzps7q5CZm | 8,284 | Hash frozensets deterministically | {
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} | While looking at how transforms get fingerprinted I noticed `frozenset` isn't hashed deterministically, unlike `set`.
`set` has a custom reducer (`_save_set`) that pickles its elements sorted, so the fingerprint is stable across runs. `frozenset` has no such reducer and falls back to the default one, which keeps the i... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8283 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8283/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8283/comments | https://api.github.com/repos/huggingface/datasets/issues/8283/events | https://github.com/huggingface/datasets/pull/8283 | 4,744,123,924 | PR_kwDODunzps7qklZL | 8,283 | Fix CI: commit operation equality (hfh 1.20.0) and pytest parametrize collection error | {
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"merged_at": "2026-06-25T14:57... | Fixes two unrelated CI failures (seen e.g. in the `huggingface_hub` 1.21.0.rc0 test run, but **the first one already affects `main` with the latest stable `huggingface_hub`**).
## 1. `tests/test_hub.py::test_delete_from_hub`
Since `huggingface_hub` 1.20.0 (introduced in https://github.com/huggingface/huggingface_... | {
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https://api.github.com/repos/huggingface/datasets/issues/8282 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8282/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8282/comments | https://api.github.com/repos/huggingface/datasets/issues/8282/events | https://github.com/huggingface/datasets/pull/8282 | 4,726,350,211 | PR_kwDODunzps7pq4O0 | 8,282 | Fix Mypy typing invariance by updating List to Sequence in dataset loading functions (#5354) | {
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} | ## Description
This PR addresses issue #5354. The standard `typing.List` (or built-in `list`) is invariant in Python, meaning static analyzers like Mypy will complain if a user tries to pass a tuple or another valid sequence into the dataset loading parameters (e.g. `data_files`). By refactoring these type hints from ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8281 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8281/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8281/comments | https://api.github.com/repos/huggingface/datasets/issues/8281/events | https://github.com/huggingface/datasets/pull/8281 | 4,725,962,136 | PR_kwDODunzps7pplkb | 8,281 | Fix fixed size binary | {
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"merged_at": "2026-07-31T10:36... | The original issue is a crash in _arrow_to_datasets_dtype because the miss of support of fixed_size_binary:
```
Exception: SplitsNotFoundError
Message: The split names could not be parsed from the dataset config.
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python... | {
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https://api.github.com/repos/huggingface/datasets/issues/8280 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8280/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8280/comments | https://api.github.com/repos/huggingface/datasets/issues/8280/events | https://github.com/huggingface/datasets/pull/8280 | 4,697,663,192 | PR_kwDODunzps7oNulR | 8,280 | Support Cursor agent traces | {
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} | ## Summary
- detect Teich Cursor trace rows using Cursor-specific metadata and preserved `raw_cursor` data
- normalize Cursor sessions into the shared agent traces schema with session id, timestamp, prompt, user count, tool-call count, and per-row raw trace preservation
- update the Teich test dependency to `0.2.8... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8279 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8279/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8279/comments | https://api.github.com/repos/huggingface/datasets/issues/8279/events | https://github.com/huggingface/datasets/pull/8279 | 4,691,369,984 | PR_kwDODunzps7n43Ko | 8,279 | fix: ensure to_json(lines=False) produces valid JSON | {
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invalid concatenated JSON arrays. Now forces a single batch. | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8277 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8277/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8277/comments | https://api.github.com/repos/huggingface/datasets/issues/8277/events | https://github.com/huggingface/datasets/pull/8277 | 4,683,481,450 | PR_kwDODunzps7ne9o_ | 8,277 | fix traces streaming | {
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https://api.github.com/repos/huggingface/datasets/issues/8276 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8276/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8276/comments | https://api.github.com/repos/huggingface/datasets/issues/8276/events | https://github.com/huggingface/datasets/pull/8276 | 4,677,108,314 | PR_kwDODunzps7nJ8AR | 8,276 | Fix typos in docstrings and comments | {
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} | ## What does this PR do?
Fixes ~20 typos in docstrings, comments, and messages (no functional changes). Examples: `informations`→`information`, `simulatenous`→`simultaneous`, `acculumation`→`accumulation`, `ambigious`→`ambiguous`, `conveniant`→`convenient`, `unstructred`→`unstructured`, `lenth`→`length`, `compresssed`... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8275 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8275/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8275/comments | https://api.github.com/repos/huggingface/datasets/issues/8275/events | https://github.com/huggingface/datasets/pull/8275 | 4,665,007,240 | PR_kwDODunzps7miALR | 8,275 | fix(json): write valid JSON array when lines=False with batching | {
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} | ## Summary
- Fix `Dataset.to_json(lines=False, orient="records")` when the dataset is larger than `batch_size`
- Previously each batch wrote a separate top-level JSON array (`[...][...]`), producing invalid JSON (`JSONDecodeError: Extra data`)
- Merge batched pandas outputs into one array by stripping per-batch bracket... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8274 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8274/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8274/comments | https://api.github.com/repos/huggingface/datasets/issues/8274/events | https://github.com/huggingface/datasets/pull/8274 | 4,664,371,357 | PR_kwDODunzps7mf4Kr | 8,274 | Fix typos in documentation, comments, and a docstring | {
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} | aFixes a handful of spelling typos across the docs and source comments/docstrings. This is a documentation/comment-only change; no functional code is affected.
Changes:
docs/source/process.mdx: colums -> columns
docs/source/video_load.mdx: effiently -> efficiently; whithin -> within
src/datasets/arrow_reade... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8273 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8273/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8273/comments | https://api.github.com/repos/huggingface/datasets/issues/8273/events | https://github.com/huggingface/datasets/pull/8273 | 4,659,900,183 | PR_kwDODunzps7mRmp3 | 8,273 | Docs: Fix dataset link in access tutorial | {
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} | Actual link returns 404. Updated the URL to the new dataset location | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8272 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8272/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8272/comments | https://api.github.com/repos/huggingface/datasets/issues/8272/events | https://github.com/huggingface/datasets/pull/8272 | 4,658,001,717 | PR_kwDODunzps7mL2Kj | 8,272 | fix: report the correct variable type in fingerprint_transform ignore_kwargs validation error | {
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} | The `ignore_kwargs` validation branch in `fingerprint_transform` builds its error from `type(use_kwargs)` instead of `type(ignore_kwargs)`, so an invalid `ignore_kwargs` is reported with the wrong type while `use_kwargs` is at its default. The preceding `use_kwargs` branch already uses `type(use_kwargs)` correctly; thi... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8271 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8271/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8271/comments | https://api.github.com/repos/huggingface/datasets/issues/8271/events | https://github.com/huggingface/datasets/pull/8271 | 4,657,968,767 | PR_kwDODunzps7mLwJS | 8,271 | fix(dataset): accept pathlib.Path in save_to_disk and load_from_disk | {
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https://api.github.com/repos/huggingface/datasets/issues/8270 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8270/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8270/comments | https://api.github.com/repos/huggingface/datasets/issues/8270/events | https://github.com/huggingface/datasets/pull/8270 | 4,657,872,687 | PR_kwDODunzps7mLd9o | 8,270 | Fix metadata export when config rows are non-consecutive | {
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} | Fixes #8269
`groupby()` on unsorted exported parquet rows dropped earlier shards when the same config reappeared later in the list. Sort by `(config, split)` first.
Regression test: `test_non_consecutive_config_rows_are_merged_in_metadata_configs_from_exported_parquet_files`
```
rootdir: /tmp/datasets
configfile: py... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8269 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8269/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8269/comments | https://api.github.com/repos/huggingface/datasets/issues/8269/events | https://github.com/huggingface/datasets/issues/8269 | 4,657,872,220 | I_kwDODunzps8AAAABFaF9XA | 8,269 | MetadataConfigs drops parquet shards when exported config rows are non-consecutive | {
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`_from_exported_parquet_files_and_dataset_infos()` uses `itertools.groupby()` on unsorted `exported_parquet_files`.
If the same `config` appears again after another config, the earlier shard URLs are lost.
## Repro
```python
from itertools import groupby
from operator import itemgetter
exported = [
{"co... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8268 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8268/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8268/comments | https://api.github.com/repos/huggingface/datasets/issues/8268/events | https://github.com/huggingface/datasets/pull/8268 | 4,655,884,563 | PR_kwDODunzps7mFhu6 | 8,268 | Add force_sample_level to split_dataset_by_node | {
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} | Allow users to explicitly request sample-level sharding for streaming `IterableDataset` even when `num_shards % world_size == 0`. Default behavior is unchanged.
When `num_physical_files < world_size`, or when shards divide evenly but are too few or too imbalanced for shard-level sharding, applying sample-level shard... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8267 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8267/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8267/comments | https://api.github.com/repos/huggingface/datasets/issues/8267/events | https://github.com/huggingface/datasets/pull/8267 | 4,655,715,782 | PR_kwDODunzps7mFBCj | 8,267 | Fix webdataset type inference when a field is null in the first examples (#7549) | {
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} | Fixes #7549.
The webdataset builder types any JSON field that is null (or an empty list) in all of the first `NUM_EXAMPLES_FOR_FEATURES_INFERENCE = 5` examples as arrow `null`, and the first later batch with a real value then fails the strict cast in `cast_array_to_feature`. Promoting the schema mid-write isn't an opt... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8266 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8266/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8266/comments | https://api.github.com/repos/huggingface/datasets/issues/8266/events | https://github.com/huggingface/datasets/pull/8266 | 4,655,621,592 | PR_kwDODunzps7mEum8 | 8,266 | Use cached .no_exist entries from the hub cache in cached_path (#7686) | {
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} | Fixes #7686.
`cached_path` requested the Hub on every call for files that usually don't exist in dataset repos (`.huggingface.yaml`, `dataset_infos.json`) because its `hf://` branch goes straight to `HfApi.hf_hub_download`. It now consults `huggingface_hub.try_to_load_from_cache` first and raises `FileNotFoundError` r... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8265 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8265/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8265/comments | https://api.github.com/repos/huggingface/datasets/issues/8265/events | https://github.com/huggingface/datasets/pull/8265 | 4,654,957,223 | PR_kwDODunzps7mCwH9 | 8,265 | Add support audio from video | {
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} | Add support for extracting video from audio. Closes https://github.com/huggingface/datasets/issues/8007
Example:
```python
from datasets import load_dataset
test_ds = load_dataset("Samoed/testds")
test_ds["train"][0]["video"].audio
# <datasets.features._torchcodec.AudioDecoder object at 0x34422fb60>
test_ds[... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8264 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8264/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8264/comments | https://api.github.com/repos/huggingface/datasets/issues/8264/events | https://github.com/huggingface/datasets/pull/8264 | 4,651,573,466 | PR_kwDODunzps7l3-7K | 8,264 | docs: sync four docstrings with their actual signatures | {
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} | ## What does this PR do?
Audits docstring Args sections against actual signatures and fixes three drifts:
### `Dataset.train_test_split`
The Args section documents `train_cache_file_name` / `test_cache_file_name` — **neither is a parameter**; the real names are `train_indices_cache_file_name` / `test_indices_cache_f... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8263 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8263/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8263/comments | https://api.github.com/repos/huggingface/datasets/issues/8263/events | https://github.com/huggingface/datasets/pull/8263 | 4,651,542,146 | PR_kwDODunzps7l34ig | 8,263 | support droid agent traces | {
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https://api.github.com/repos/huggingface/datasets/issues/8261 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8261/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8261/comments | https://api.github.com/repos/huggingface/datasets/issues/8261/events | https://github.com/huggingface/datasets/issues/8261 | 4,648,405,033 | I_kwDODunzps8AAAABFREIKQ | 8,261 | Feature Proposal: Add FunASR Chinese/Multilingual ASR Benchmark Datasets | {
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> [!NOTE]
> **License and capability clarification (2026-07-14):** FunASR is a toolkit, not a single checkpoint. The [FunASR](https://github.com/modelscope/FunASR#license) and [SenseVoice](https://github.com/FunAudioLLM/SenseVoice#license) repository source code is MIT; model ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8260 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8260/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8260/comments | https://api.github.com/repos/huggingface/datasets/issues/8260/events | https://github.com/huggingface/datasets/pull/8260 | 4,644,413,236 | PR_kwDODunzps7lgzRi | 8,260 | Fix data file patterns starting with "./" for Hub datasets (#7727) | {
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} | Fixes #7727.
`data_files` patterns starting with `./` raise `FileNotFoundError` when the dataset is loaded from the Hub, even though the same patterns work locally.
The asymmetry comes from `resolve_pattern()`: it joins relative patterns onto the base path with `xjoin` (a plain `posixpath.join`), which keeps the `.` ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8259 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8259/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8259/comments | https://api.github.com/repos/huggingface/datasets/issues/8259/events | https://github.com/huggingface/datasets/pull/8259 | 4,641,430,204 | PR_kwDODunzps7lXAY_ | 8,259 | Fix batch(by_column=...) crashing after shard/shuffle/split | {
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"merged_at": "2026-06-11T15:57... | ## Bug
`batch(by_column=...)` (#8172) works when you iterate the dataset directly, but crashes as soon as the dataset gets copied into a new shape — which happens in very common situations: calling `.shard()` or `.shuffle()`, using `split_dataset_by_node`, or just using a torch `DataLoader` with `num_workers > 0` (e... | {
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https://api.github.com/repos/huggingface/datasets/issues/8258 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8258/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8258/comments | https://api.github.com/repos/huggingface/datasets/issues/8258/events | https://github.com/huggingface/datasets/pull/8258 | 4,638,117,690 | PR_kwDODunzps7lMoUG | 8,258 | Add the supports of missing types in conversion between arrow and dtype types | {
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} | The original issue is a crash in _arrow_to_datasets_dtype because the miss of support of fixed_size_binary:
```
Exception: SplitsNotFoundError
Message: The split names could not be parsed from the dataset config.
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8257 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8257/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8257/comments | https://api.github.com/repos/huggingface/datasets/issues/8257/events | https://github.com/huggingface/datasets/pull/8257 | 4,637,211,254 | PR_kwDODunzps7lJwOT | 8,257 | fix: skip filename-based split detection for media files in get_data_… | {
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} | Fixes #7201
## Problem
When a user has an image file named `train.png` in a flat folder,
the library mistakenly treats it as a split name instead of an image,
resulting in only that one file being loaded.
## Fix
Modified `_get_data_files_patterns` in `data_files.py` to skip
filename-based split detection w... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8256 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8256/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8256/comments | https://api.github.com/repos/huggingface/datasets/issues/8256/events | https://github.com/huggingface/datasets/issues/8256 | 4,627,616,612 | I_kwDODunzps8AAAABE9PTZA | 8,256 | Dataset Viewer fails on TSFile datasets | {
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## Description
The Dataset Viewer fails when trying to display a dataset stored in TSFile format.
The error shown by the viewer is:
```python
ModuleNotFoundError: No module named 'tsfile'
### Steps to reproduce the bug
# Dataset Viewer fails to load TSFile dataset due to missing `tsfile` depe... | null | {
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"merged_at": "2026-06-10T13:22... | Parse hermes agent traces export using teich
supports both single session export and multi-sessions export
```bash
# single session
>>> hermes sessions export session.jsonl --session-id 20250305_091523_a1b2c3d4
# multi-sessions
>>> hermes sessions export sessions.jsonl
```
+ bump teich to 0.1.2
breakin... | {
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TorchVision is typically faster than PIL to decode images, and this also saves the `pil_to_tensor` conversion. See https://github.com/huggingface/transformers/pull/45195 for benchmarks on `transfom... | null | {
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### Proposed API
It would be useful to provide a first-class streaming sharding operator in `datasets`, for example:
```python
dataset = datasets.load_dataset(..., streaming=True, split="train"... | {
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The save-to-hub paragraph in `docs/source/stream.mdx` (line 584) currently reads:
> "you wish to save it **to to** [`~Dataset.push_to_hub`]"
The first `to` closes the relative clause ("the repo you wish to save it to"), and the second `to` introduces the function argument. The collision read... | {
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} | Update `.github/workflows/release-conda.yml` workflow configuration.
cc @lhoestq
Closes huggingface/tracking-issues#808
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A GLB whose glTF JSON chunk is deeply nested (malformed or malicious) makes `trimesh.load` exceed Python's recursion limit while parsing it (`RecursionError: maximum recursion depth exceeded while decoding a JSON array`), crashing `Mesh.decode_example` with an uncaught error.
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} | Fixes #4661.
`ExtractManager.extract` runs the `_do_extract` "already extracted?" check outside any lock; the lock sits one level down in `Extractor.extract`. When two jobs share a cache, the second can catch a half-written output directory mid-extraction, assume it's done, and return a partial path.
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**VORTEXRAG** was evaluated on 6 datasets available on the HuggingFace Hub using datasets.load_dataset():
- NQ, TriviaQA, WebQ, PopQA, HotpotQA, 2WikiMultiHopQA
Results: EM 74.8, F1 82.6 averaged across all 6. Full evaluation code is in the repo.
- GitHub: https://github.com/vignesh202... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8246 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8246/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8246/comments | https://api.github.com/repos/huggingface/datasets/issues/8246/events | https://github.com/huggingface/datasets/issues/8246 | 4,606,509,015 | I_kwDODunzps8AAAABEpG_1w | 8,246 | RecursionError when loading GLB file with deeply nested JSON in Mesh feature | {
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Loading a GLB file with deeply nested JSON chunk causes a RecursionError, crashing the application.
## Step to Reproduce
```python
from datasets import Dataset, Mesh
import tempfile, os, struct
def make_malicious_glb(depth=5000):
json_chunk = (b'{"a":' * depth + b'1' + b'}' * depth)
magic = b... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8245 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8245/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8245/comments | https://api.github.com/repos/huggingface/datasets/issues/8245/events | https://github.com/huggingface/datasets/pull/8245 | 4,605,978,581 | PR_kwDODunzps7jju8n | 8,245 | Update inspect.py | {
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https://api.github.com/repos/huggingface/datasets/issues/8244 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8244/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8244/comments | https://api.github.com/repos/huggingface/datasets/issues/8244/events | https://github.com/huggingface/datasets/pull/8244 | 4,605,051,825 | PR_kwDODunzps7jg1Yj | 8,244 | Fix version string in __init__.py | {
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https://api.github.com/repos/huggingface/datasets/issues/8243 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8243/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8243/comments | https://api.github.com/repos/huggingface/datasets/issues/8243/events | https://github.com/huggingface/datasets/pull/8243 | 4,600,109,722 | PR_kwDODunzps7jQ4z3 | 8,243 | Fix JSON loader schema inference for files starting with a UTF-8 BOM (#8241) | {
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"merged_at": "2026-06-09T15:48... | Fixes #8241.
## What's the bug
When a JSONL file starts with a UTF-8 BOM (`\xef\xbb\xbf`), `load_dataset("json", ...)` infers a different schema than the same file without the BOM.
The JSON builder's first-batch "mixed-struct-types" pre-scan parses each line with `ujson` to decide whether to preserve heterogeneous n... | {
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https://api.github.com/repos/huggingface/datasets/issues/8242 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8242/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8242/comments | https://api.github.com/repos/huggingface/datasets/issues/8242/events | https://github.com/huggingface/datasets/issues/8242 | 4,599,059,760 | I_kwDODunzps8AAAABEiAVMA | 8,242 | "eval_strategy": "no" perform evaluation | {
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Hi,
I'm trying to train a diffusion model and I getting stuck with
```
strace -p 967873
strace: Process 967873 attached
ioctl(9, _IOC(_IOC_READ|_IOC_WRITE, 0x46, 0x2a, 0x20), 0x7fff18579d90) = 0
ioctl(9, _IOC(_IOC_READ|_IOC_WRITE, 0x46, 0x2a, 0x20), 0x7fff18579d90) = 0
```
But my issue is that ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8241 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8241/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8241/comments | https://api.github.com/repos/huggingface/datasets/issues/8241/events | https://github.com/huggingface/datasets/issues/8241 | 4,597,756,669 | I_kwDODunzps8AAAABEgwy_Q | 8,241 | load_dataset("json", ...) infers a different schema when the JSONL file starts with a UTF-8 BOM | {
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When a JSONL file starts with a UTF-8 BOM (`\xef\xbb\xbf`), `datasets.load_dataset("json", data_files=...)` infers a different schema than when the same file is loaded without the BOM. Specifically, the loader's "mixed-struct-types" pre-scan — which normally promotes columns with heterogeneous nes... | {
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https://api.github.com/repos/huggingface/datasets/issues/8240 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8240/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8240/comments | https://api.github.com/repos/huggingface/datasets/issues/8240/events | https://github.com/huggingface/datasets/pull/8240 | 4,597,394,026 | PR_kwDODunzps7jH1ik | 8,240 | set dev version | {
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https://api.github.com/repos/huggingface/datasets/issues/8239 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8239/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8239/comments | https://api.github.com/repos/huggingface/datasets/issues/8239/events | https://github.com/huggingface/datasets/pull/8239 | 4,597,207,473 | PR_kwDODunzps7jHOZ3 | 8,239 | Release: 5.0.0 | {
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https://api.github.com/repos/huggingface/datasets/issues/8238 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8238/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8238/comments | https://api.github.com/repos/huggingface/datasets/issues/8238/events | https://github.com/huggingface/datasets/pull/8238 | 4,594,443,672 | PR_kwDODunzps7i-Kt_ | 8,238 | Fix imagefolder metadata with split-named files | {
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} | ## Summary
- Preserve folder-builder metadata when auto-inferred split filename patterns match only a file such as `train.png`
- Re-resolve default `**` patterns only for auto-inferred folder datasets when sidecar metadata would otherwise be dropped
- Add regression coverage for explicit `imagefolder`, local auto-detec... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8237 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8237/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8237/comments | https://api.github.com/repos/huggingface/datasets/issues/8237/events | https://github.com/huggingface/datasets/pull/8237 | 4,590,599,183 | PR_kwDODunzps7ixgvz | 8,237 | map reuses unchanged columns from the previous dataset to avoid disk usage | {
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## Summary
This PR improves Dataset.map behavior by ensuring that unchanged columns are preserved after transformation.
Previously, in some cases, columns not explicitly modified by the mapping function could be lost or reconstructed during shard concatenatio... | {
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https://api.github.com/repos/huggingface/datasets/issues/8236 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8236/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8236/comments | https://api.github.com/repos/huggingface/datasets/issues/8236/events | https://github.com/huggingface/datasets/pull/8236 | 4,587,562,651 | PR_kwDODunzps7infTc | 8,236 | Fix iterable skip over full Arrow blocks | {
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"merged_at": "2026-06-05T12:39... | ## What does this PR do?
Fixes `IterableDataset.skip(n)` for streaming datasets when the underlying iterable uses Arrow batches and `n` skips one or more complete Arrow blocks.
Previously, after a full Arrow block was counted as skipped, `_iter_arrow()` continued into the partial-slice branch and yielded rows fro... | {
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https://api.github.com/repos/huggingface/datasets/issues/8235 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8235/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8235/comments | https://api.github.com/repos/huggingface/datasets/issues/8235/events | https://github.com/huggingface/datasets/pull/8235 | 4,584,785,186 | PR_kwDODunzps7ieWtv | 8,235 | Clarify dataset creation vs loading workflows in create_dataset tutorial | {
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Changes:
- Added a note directing users to the loading guide.
- Clarified that `from_` methods create datasets from local Python objects rather than local files.
Addresses #5805. | {
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https://api.github.com/repos/huggingface/datasets/issues/8233 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8233/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8233/comments | https://api.github.com/repos/huggingface/datasets/issues/8233/events | https://github.com/huggingface/datasets/pull/8233 | 4,574,043,988 | PR_kwDODunzps7h67xt | 8,233 | Added/Improved doc strings for functions and classes in /src/datasets… | {
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https://api.github.com/repos/huggingface/datasets/issues/8232 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8232/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8232/comments | https://api.github.com/repos/huggingface/datasets/issues/8232/events | https://github.com/huggingface/datasets/pull/8232 | 4,573,312,492 | PR_kwDODunzps7h4h7C | 8,232 | Parse agent traces messages for SFT using `teich` | {
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"merged_at": "2026-06-03T14:46... | small breaking change (mostly for the dataset viewer on HF that has to take this into account): the field "traces" is renamed "trace" cc @cfahlgren1
This PR adds the `teich` extracted traces data, i.e. the fields messages, prompt, tools and metadata
```python
In [1]: from datasets import load_dataset
In [2]:... | {
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https://api.github.com/repos/huggingface/datasets/issues/8231 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8231/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8231/comments | https://api.github.com/repos/huggingface/datasets/issues/8231/events | https://github.com/huggingface/datasets/pull/8231 | 4,568,118,495 | PR_kwDODunzps7hnhUh | 8,231 | Keep None as a real null in Json() columns instead of the string "null" | {
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A missing value (`None`) in a `Json()` column is currently stored as the JSON string `"null"` instead of a real Arrow null. This has two visible consequences:
1. The column reports `null_count == 0` even when values are missing, and `is_null()` returns all `False`. Anything that relies on Arrow nul... | {
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https://api.github.com/repos/huggingface/datasets/issues/8229 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8229/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8229/comments | https://api.github.com/repos/huggingface/datasets/issues/8229/events | https://github.com/huggingface/datasets/pull/8229 | 4,559,692,487 | PR_kwDODunzps7hMFpS | 8,229 | Skip origin metadata fetch when streaming=True | {
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} | Fixes #8197
When using `load_dataset(..., streaming=True, data_files=...)`, `DataFilesList.from_patterns` currently fetches origin metadata (ETag/mtime) for each resolved file even though the streaming pipeline doesn't use the local cache/fingerprint path.
This PR adds an opt-out (`skip_origin_metadata`) for data-fil... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8228 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8228/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8228/comments | https://api.github.com/repos/huggingface/datasets/issues/8228/events | https://github.com/huggingface/datasets/pull/8228 | 4,554,008,355 | PR_kwDODunzps7g7K93 | 8,228 | fix: stable fingerprint for closures capturing non-deterministic state | {
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} | Fixes #7986
When `.map()` uses a closure capturing `self` with non-deterministic state
(like UUIDs or loggers), the fingerprint changes every run causing cache misses.
Fix: only hash primitive attributes of captured objects instead of the full object.
Added a regression test in `tests/test_fingerprint.py`. | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8227 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8227/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8227/comments | https://api.github.com/repos/huggingface/datasets/issues/8227/events | https://github.com/huggingface/datasets/pull/8227 | 4,550,859,664 | PR_kwDODunzps7gxGQw | 8,227 | Security/Logic Fix: Autonomous Code Review | {
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} | ## Autonomous Bug Report & Patch
This vulnerability and fix were autonomously discovered by the Lucy Red Team swarm.
Upon reviewing the provided code snippet from `src/datasets/io/generator.py`, I didn't find any obvious critical bugs. However, there are a few areas that could be improved or clarified:
1. **Do... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8225 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8225/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8225/comments | https://api.github.com/repos/huggingface/datasets/issues/8225/events | https://github.com/huggingface/datasets/pull/8225 | 4,541,634,999 | PR_kwDODunzps7gSzm4 | 8,225 | Fix single lance file form pylance 7.0 | {
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https://api.github.com/repos/huggingface/datasets/issues/8224 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8224/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8224/comments | https://api.github.com/repos/huggingface/datasets/issues/8224/events | https://github.com/huggingface/datasets/pull/8224 | 4,534,276,655 | PR_kwDODunzps7f6162 | 8,224 | fix: embed_external_files=True for mesh support | {
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"merged_at": "2026-06-01T10:15... | ## Fix for #8055
This is follow-up PR for fixing a specific issue related to `dataset.push_to_hub(repo_id, embed_external_files=True)`
### Test Conducted
```python
from datasets import Features, Image, Mesh, Value, load_dataset
repo_id = "VINAY-UMRETHE/My-Mesh-Dataset"
dataset = load_dataset("json", ... | {
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https://api.github.com/repos/huggingface/datasets/issues/8223 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8223/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8223/comments | https://api.github.com/repos/huggingface/datasets/issues/8223/events | https://github.com/huggingface/datasets/pull/8223 | 4,530,285,942 | PR_kwDODunzps7ftwk8 | 8,223 | DOC: document missing save_infos and max_depth parameters | {
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} | ## What this fixes
Two public API functions were missing parameters from their docstrings:
### 1. `load_dataset()` — missing `save_infos`
The `save_infos` parameter has been in the function signature but was absent from the `Args` section of the docstring. When `save_infos=True`, it overrides `verification_mod... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8222 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8222/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8222/comments | https://api.github.com/repos/huggingface/datasets/issues/8222/events | https://github.com/huggingface/datasets/pull/8222 | 4,528,837,662 | PR_kwDODunzps7fpIh- | 8,222 | Validate split name before starting download | {
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} | ## What this fixes
Closes #5523.
When you pass an invalid split name to `load_dataset()`, the error only surfaces after the entire dataset has already been downloaded. For large datasets that can mean waiting many minutes before seeing a one-liner like:
```python
from datasets import load_dataset
load_dataset("mozil... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8221 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8221/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8221/comments | https://api.github.com/repos/huggingface/datasets/issues/8221/events | https://github.com/huggingface/datasets/pull/8221 | 4,523,496,440 | PR_kwDODunzps7fXz19 | 8,221 | chore: enable Dependabot weekly GitHub Actions bumps | {
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} | ## Summary
Adds `.github/dependabot.yml` so this repo's pinned GitHub Action SHAs
get bumped automatically once a week.
All action updates are **grouped into one weekly PR** (not one PR per
action) to keep the noise down, and Dependabot waits **7 days after a
release before opening the bump** (cooldown). The 7-day co... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8220 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8220/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8220/comments | https://api.github.com/repos/huggingface/datasets/issues/8220/events | https://github.com/huggingface/datasets/pull/8220 | 4,508,933,683 | PR_kwDODunzps7eqDip | 8,220 | Support composed splits in streaming datasets | {
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"merged_at": "2026-06-05T12:46... | Fixes #2699
Fixes #4804
This PR adds support for unsliced split composition when loading datasets in streaming mode, e.g. `split="train+validation"`.
Previously, `DatasetBuilder.as_streaming_dataset()` only accepted a single split name or returned all splits as an `IterableDatasetDict`, so composed split strings... | {
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https://api.github.com/repos/huggingface/datasets/issues/8219 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8219/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8219/comments | https://api.github.com/repos/huggingface/datasets/issues/8219/events | https://github.com/huggingface/datasets/pull/8219 | 4,508,075,431 | PR_kwDODunzps7enWfQ | 8,219 | Add `.conll` / `.conllu` dataset format loader (CoNLL-2003 / 2000 / U) | {
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"merged_at": "2026-05-27T14:09... | Closes #7757.
## Summary
Adds a `packaged_modules/conll/` builder so `.conll` and `.conllu` files load directly via `load_dataset(...)` without manual parsing scripts. Each row of the loaded dataset corresponds to one sentence, with each configured column produced as a list aligned with the token list.
Builder... | {
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https://api.github.com/repos/huggingface/datasets/issues/8218 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8218/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8218/comments | https://api.github.com/repos/huggingface/datasets/issues/8218/events | https://github.com/huggingface/datasets/pull/8218 | 4,502,066,792 | PR_kwDODunzps7eUKFZ | 8,218 | Include version in DatasetInfo YAML so push_to_hub preserves it | {
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} | DatasetInfo._INCLUDED_INFO_IN_YAML controls which fields land in the README.md dataset_info block written by push_to_hub, and it currently omits version. Setting version on a Dataset (e.g. via load_dataset(..., version=...)) and pushing it to the Hub silently drops the version from the rendered front matter, so reloadi... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8217 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8217/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8217/comments | https://api.github.com/repos/huggingface/datasets/issues/8217/events | https://github.com/huggingface/datasets/issues/8217 | 4,501,694,591 | I_kwDODunzps8AAAABDFJofw | 8,217 | Multi-GPU Training with Large Dataset — NCCL Timeouts / Slow Data Loading + Excessive Memory Usage with keep_in_memory=True | {
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### Problem Description
- Unstable/slow data loading + NCCL timeouts
- Step time fluctuates drastically: ~1s/step (fast) vs ~45s/step (extremely slow)
... | {
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https://api.github.com/repos/huggingface/datasets/issues/8216 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8216/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8216/comments | https://api.github.com/repos/huggingface/datasets/issues/8216/events | https://github.com/huggingface/datasets/pull/8216 | 4,498,562,992 | PR_kwDODunzps7eI6YH | 8,216 | Read cached dataset_info.json to populate config_names offline | {
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} | ## What
`get_dataset_config_names` with `HF_DATASETS_OFFLINE=1` returns `['default']` even when the cache contains multiple config subdirectories for the dataset. For example, after caching `cais/mmlu`:
```
$ HF_DATASETS_OFFLINE=1 python -c "import datasets; print(datasets.get_dataset_config_names('cais/mmlu'))"
Usin... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8215 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8215/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8215/comments | https://api.github.com/repos/huggingface/datasets/issues/8215/events | https://github.com/huggingface/datasets/pull/8215 | 4,498,546,886 | PR_kwDODunzps7eI29O | 8,215 | Warn instead of raise when user-provided data_files yields a subset | {
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} | Fixes #7867.
NonMatchingSplitsSizesError currently fires whenever the loaded split size differs from the expected size, including when the user explicitly passed data_files for a known subset of the dataset. The only user-side workaround is verification_mode='no_checks', which silences ALL checks rather than just the ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8214 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8214/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8214/comments | https://api.github.com/repos/huggingface/datasets/issues/8214/events | https://github.com/huggingface/datasets/pull/8214 | 4,495,428,150 | PR_kwDODunzps7d-pbh | 8,214 | Add return_file_name parameter to JSON builder (#5806) | {
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} | ## Description
Resolves #5806.
This PR introduces an optional `return_file_name` boolean parameter to the packaged JSON builder. When enabled, it injects a `file_name` column into the generated PyArrow tables, allowing downstream users to track exactly which data shard a specific row originated from during interrup... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8213 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8213/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8213/comments | https://api.github.com/repos/huggingface/datasets/issues/8213/events | https://github.com/huggingface/datasets/pull/8213 | 4,494,002,929 | PR_kwDODunzps7d59EY | 8,213 | update single seg repos in ci | {
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https://api.github.com/repos/huggingface/datasets/issues/8212 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8212/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8212/comments | https://api.github.com/repos/huggingface/datasets/issues/8212/events | https://github.com/huggingface/datasets/pull/8212 | 4,487,898,110 | PR_kwDODunzps7dmXMH | 8,212 | docs: surface `repository_structure` earlier in the Get Started flow | {
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} | > **Dear maintainer** — this PR has a permanent home with methodology + [opt-out](https://github.com/adv0r/tokens-for-good/blob/main/MAINTAINER_REMOVAL.md) at [tokens-for-good](https://github.com/adv0r/tokens-for-good). A one-line "no thanks" → auto-close + blacklist. Sorry for the notification this edit caused.
>
> --... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8210 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8210/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8210/comments | https://api.github.com/repos/huggingface/datasets/issues/8210/events | https://github.com/huggingface/datasets/pull/8210 | 4,479,156,338 | PR_kwDODunzps7dJ_cZ | 8,210 | Fix parquet columns arg | {
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useful e.g. for https://huggingface.co/datasets/jasperai/monet to load the thumbnails without the embeddi... | {
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https://api.github.com/repos/huggingface/datasets/issues/8209 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8209/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8209/comments | https://api.github.com/repos/huggingface/datasets/issues/8209/events | https://github.com/huggingface/datasets/pull/8209 | 4,472,836,908 | PR_kwDODunzps7c1qee | 8,209 | Preserve float columns when JSON loader uses `field=` | {
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} | Closes #6937.
When `load_dataset("json", data_files=..., field="data", ...)` is used, columns whose values are all integer-valued floats (`[0.0, 1.0, 2.0]`) get silently coerced to `int64`. Repro:
```python
import tempfile, json
from datasets import load_dataset
with tempfile.NamedTemporaryFile(mode="w", suffix=".js... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8208 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8208/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8208/comments | https://api.github.com/repos/huggingface/datasets/issues/8208/events | https://github.com/huggingface/datasets/pull/8208 | 4,471,198,555 | PR_kwDODunzps7cwTO1 | 8,208 | update readme | {
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https://api.github.com/repos/huggingface/datasets/issues/8207 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8207/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8207/comments | https://api.github.com/repos/huggingface/datasets/issues/8207/events | https://github.com/huggingface/datasets/pull/8207 | 4,469,331,415 | PR_kwDODunzps7cqORG | 8,207 | fix docs: use AutoImageProcessor for vision model examples | {
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} | swaps AutoFeatureExtractor for AutoImageProcessor in the image preprocessing section of use_dataset.mdx — aligns with the transformers library direction where vision feature extractor references were already replaced in their own docs (see PRs #20111 and #20501). audio section is untouched since AutoFeatureExtractor is... | null | {
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