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https://api.github.com/repos/huggingface/datasets/issues/8137 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8137/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8137/comments | https://api.github.com/repos/huggingface/datasets/issues/8137/events | https://github.com/huggingface/datasets/pull/8137 | 4,275,524,898 | PR_kwDODunzps7S9ENL | 8,137 | Fix: decode JSON type before to_list or to_dict is called | {
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There is a change in the approach to decoding JSON types, added in https://github.com/huggingface/datasets/commit/d560b58e1f1ec96591a95a1780ee118f5eea6c74. Since 4.7.0, to_list() returns raw JSON strings for columns stored as Json(), while direct access via getitem returns dicts.
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https://api.github.com/repos/huggingface/datasets/issues/8135 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8135/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8135/comments | https://api.github.com/repos/huggingface/datasets/issues/8135/events | https://github.com/huggingface/datasets/pull/8135 | 4,268,369,489 | PR_kwDODunzps7Sm752 | 8,135 | Add Zarr dataset support: lazy array feature, folder builder, and store-as-table module | {
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} | ## TL;DR
This PR adds support for **plain Zarr** to `datasets`, split into three complementary pieces:
1. a new `Zarr` **feature** that stores only a path in Arrow and lazily opens the store on access (arrays only, by design — see "Design contract" below);
2. a **`zarrfolder`** packaged module that builds an index da... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8134 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8134/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8134/comments | https://api.github.com/repos/huggingface/datasets/issues/8134/events | https://github.com/huggingface/datasets/pull/8134 | 4,267,351,322 | PR_kwDODunzps7SkBKa | 8,134 | chore: bump doc-builder SHA for PR upload workflow | {
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https://api.github.com/repos/huggingface/datasets/issues/8133 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8133/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8133/comments | https://api.github.com/repos/huggingface/datasets/issues/8133/events | https://github.com/huggingface/datasets/pull/8133 | 4,264,953,406 | PR_kwDODunzps7Sczz9 | 8,133 | use full repo-relative file path instead of filename for agent traces | {
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- Store the full repo-relative path in `file_name` instead of just the basename
- Extracts the path from the `hf://` origin URL set by the download manager
Before: `file_name = "614b8d50-097f-4e36-aee0-1fdd053335e7.js... | {
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https://api.github.com/repos/huggingface/datasets/issues/8132 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8132/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8132/comments | https://api.github.com/repos/huggingface/datasets/issues/8132/events | https://github.com/huggingface/datasets/pull/8132 | 4,260,846,283 | PR_kwDODunzps7SPyRm | 8,132 | fix(Dataset.map): initialize writer on first non-None output instead of first index | {
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} | ## What does this PR do?
Fixes #7990
## The Bug
When a map function returns `None` for the first examples and a dict for
later ones, `Dataset.map()` crashes with:
AttributeError: 'NoneType' object has no attribute 'write'
This happens because the ArrowWriter was initialized only when processing
ind... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8131 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8131/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8131/comments | https://api.github.com/repos/huggingface/datasets/issues/8131/events | https://github.com/huggingface/datasets/issues/8131 | 4,251,712,550 | I_kwDODunzps79a_wm | 8,131 | datasets.to_list: Behaviour change in version 4.7.0 with the addition of JSON type | {
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There is a change in the approach to decoding JSON types, added in https://github.com/huggingface/datasets/commit/d560b58e1f1ec96591a95a1780ee118f5eea6c74. Since 4.7.0, to_list() returns raw JSON strings for columns stored as Json(), while direct access via __getitem__ returns dicts.
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https://api.github.com/repos/huggingface/datasets/issues/8130 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8130/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8130/comments | https://api.github.com/repos/huggingface/datasets/issues/8130/events | https://github.com/huggingface/datasets/pull/8130 | 4,243,231,129 | PR_kwDODunzps7RoV2k | 8,130 | fix: mutable default argument in `_visit_with_path` | {
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} | Replace `visit_path: _VisitPath = []` with `Optional[_VisitPath] = None` to avoid the mutable default argument anti-pattern ([B006](https://docs.astral.sh/ruff/rules/mutable-argument-default/)).
While the current callers always use `visit_path + [k]` (creating new lists), the shared default list is a latent bug that w... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8129 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8129/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8129/comments | https://api.github.com/repos/huggingface/datasets/issues/8129/events | https://github.com/huggingface/datasets/issues/8129 | 4,241,704,875 | I_kwDODunzps7800er | 8,129 | `load_dataset()` hangs when `hf_xet` is enabled | {
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Hi! I am getting a peculiar download issue on the latest versions of `datasets` and `hfh` where datasets hang indefinitely:
```py
from datasets import load_dataset
load_dataset("openai/gsm8k", "main", split="test")
```
Note that:
- streaming=True works.
- Direct Hub access works.
- Th... | {
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https://api.github.com/repos/huggingface/datasets/issues/8128 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8128/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8128/comments | https://api.github.com/repos/huggingface/datasets/issues/8128/events | https://github.com/huggingface/datasets/pull/8128 | 4,240,118,144 | PR_kwDODunzps7RfgVx | 8,128 | Don't include files list DatasetInfo (and remove old stuff) | {
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"merged_at": "2026-04-16T09:23... | this will fix the viewer when it saves the dataset info in mongo, for datasets with a lot of files this can make the mongo doc too big for mongo
I also removed old deprecated stuff linked to files list like the old concept of "post-processing" and cleaned the checksum recording logic | {
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https://api.github.com/repos/huggingface/datasets/issues/8127 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8127/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8127/comments | https://api.github.com/repos/huggingface/datasets/issues/8127/events | https://github.com/huggingface/datasets/pull/8127 | 4,225,755,698 | PR_kwDODunzps7Q23En | 8,127 | Support explicit harness field in agent traces | {
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} | Hi!
This small PR allows an optional `harness` field to be parsed.
When present, the harness field takes priority over type-value heuristics.
This allows agents to self-identify even when they contain property names that collide with an existing harness ("session", "system", etc.) | {
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https://api.github.com/repos/huggingface/datasets/issues/8126 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8126/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8126/comments | https://api.github.com/repos/huggingface/datasets/issues/8126/events | https://github.com/huggingface/datasets/pull/8126 | 4,224,718,927 | PR_kwDODunzps7Qz_UY | 8,126 | Fix batching for table-formatted datasets | {
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"merged_at": "2026-04-10T13:14... | ## Summary
Fix #8075
Fix `.batch()` on table-formatted `Dataset` and `IterableDataset`.
Before this change, calling `.batch()` on datasets formatted as `pyarrow`, `pandas`, or `polars` could fail because the batching path assumed dict-like inputs. This updates batching to use an Arrow-based path for table-style ... | {
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https://api.github.com/repos/huggingface/datasets/issues/8125 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8125/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8125/comments | https://api.github.com/repos/huggingface/datasets/issues/8125/events | https://github.com/huggingface/datasets/issues/8125 | 4,223,104,906 | I_kwDODunzps77t3eK | 8,125 | Feature request: being able to disable chmod for flat permission filesystems | {
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For flat permission file systems, `os.chmod` simply fails when trying to cache datasets - in some places such as: https://github.com/huggingface/datasets/blob/main/src/datasets/arrow_dataset.py#L4043-L4048 for arrow datasets.
This seems to be optional to obtained desired behavior as simply comment... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8122 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8122/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8122/comments | https://api.github.com/repos/huggingface/datasets/issues/8122/events | https://github.com/huggingface/datasets/pull/8122 | 4,206,043,598 | PR_kwDODunzps7P_9lo | 8,122 | fix: decode Json() values before calling DataFrame.to_json() (#8116) | {
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"merged_at": "2026-04-10T13:12... | # Summary
fixes (https://github.com/huggingface/datasets/issues/8116)
Basically the issue is that if a dataset column uses Json() as a feature type, calling to_json() on that dataset causes a raw json escaped string to be exported, without decoding it first.
### root cause
`to_json` exports feature values in their... | {
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https://api.github.com/repos/huggingface/datasets/issues/8121 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8121/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8121/comments | https://api.github.com/repos/huggingface/datasets/issues/8121/events | https://github.com/huggingface/datasets/pull/8121 | 4,204,840,969 | PR_kwDODunzps7P9H7w | 8,121 | Fix Audio.cast_storage for CSV-loaded large_string columns | {
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} | ## Summary
This PR fixes `Audio.cast_storage()` so that audio path columns loaded as `large_string` can be cast to `Audio()` correctly.
## Motivation
`Dataset.from_dict({"audio": [...]})` produces a `string` column and `cast_column("audio", Audio())` works, but `load_dataset("csv", ...)` produces a `large_string` ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8120 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8120/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8120/comments | https://api.github.com/repos/huggingface/datasets/issues/8120/events | https://github.com/huggingface/datasets/issues/8120 | 4,201,197,701 | I_kwDODunzps76aTCF | 8,120 | Patch fields truncated — missing trailing newlines | {
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Affected instances (confirmed): atlanhq_atlan-python... | {
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https://api.github.com/repos/huggingface/datasets/issues/8116 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8116/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8116/comments | https://api.github.com/repos/huggingface/datasets/issues/8116/events | https://github.com/huggingface/datasets/issues/8116 | 4,197,189,620 | I_kwDODunzps76LAf0 | 8,116 | `to_json()` serializes `Json()` feature as escaped string instead of native JSON object | {
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When a dataset column uses the `Json()` feature type, calling `to_json()` writes the value as an escaped JSON string (e.g., `"{\"cat_a\":1,\"cat_b\":2}"`) instead of a native JSON object (e.g., `{"cat_a":1,"cat_b":2}`).
This causes two problems:
1. The output JSON file is not interoperable with ... | {
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https://api.github.com/repos/huggingface/datasets/issues/8115 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8115/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8115/comments | https://api.github.com/repos/huggingface/datasets/issues/8115/events | https://github.com/huggingface/datasets/pull/8115 | 4,195,114,404 | PR_kwDODunzps7PldtS | 8,115 | fix: preserve features in IterableDataset.add_column (fixes #5752) | {
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} | ## Summary
Fixes #5752.
`IterableDataset.add_column()` lost the dataset's feature schema on every call because it delegated to `map()` without passing the `features` argument. `map()` unconditionally writes `info.features = features`, so the default `None` silently overwrote the existing schema.
**Root cause** (`ite... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8114 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8114/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8114/comments | https://api.github.com/repos/huggingface/datasets/issues/8114/events | https://github.com/huggingface/datasets/pull/8114 | 4,193,245,944 | PR_kwDODunzps7PgMNx | 8,114 | 🔒 Pin GitHub Actions to commit SHAs | {
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"merged_at": "2026-04-07T14:11... | ## 🔒 Pin GitHub Actions to commit SHAs
This PR pins all GitHub Actions to their exact commit SHA instead of mutable tags or branch names.
**Why?**
Pinning to a SHA prevents supply chain attacks where a tag (e.g. `v4`) could be moved to point to malicious code.
### Changes
| Workflow | Action | Avant | Après | SHA ... | {
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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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"merged_at": "2026-04-23T16:47... | 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... | {
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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
... | {
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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 ... | {
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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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} | The old link is outdated
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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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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} | 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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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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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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related: https://github.com/apache/arrow/issues/9886 | {
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https://api.github.com/repos/huggingface/datasets/issues/8070 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8070/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8070/comments | https://api.github.com/repos/huggingface/datasets/issues/8070/events | https://github.com/huggingface/datasets/pull/8070 | 4,085,368,828 | PR_kwDODunzps7LEYUB | 8,070 | Release: 4.8.0 | {
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https://api.github.com/repos/huggingface/datasets/issues/8069 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8069/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8069/comments | https://api.github.com/repos/huggingface/datasets/issues/8069/events | https://github.com/huggingface/datasets/pull/8069 | 4,083,154,609 | PR_kwDODunzps7K9Ph0 | 8,069 | fix null filling in missing jsonl columns | {
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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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} | ## 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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`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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"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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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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} | 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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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/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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new `Mesh`feature class, which manages 3D data via a PyArrow `struct` containing both raw bytes and file paths. support... | {
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https://api.github.com/repos/huggingface/datasets/issues/8052 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8052/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8052/comments | https://api.github.com/repos/huggingface/datasets/issues/8052/events | https://github.com/huggingface/datasets/issues/8052 | 4,041,972,911 | I_kwDODunzps7w65yv | 8,052 | [Security] Zip/Rar/7z Archive Extraction Path Traversal (Incomplete CVE-2007-4559 Mitigation) | {
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**Reporter:** Conner Webber (conner.webber000@gmail.com)
**Severity:** HIGH (CVSS 3.1: 8.2)
**CWE:** CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)
## Summary
The `ZipExtractor`, `RarExtractor`, and `SevenZipExtractor` classes in `datasets/utils/extract.py` call... | {
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https://api.github.com/repos/huggingface/datasets/issues/8051 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8051/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8051/comments | https://api.github.com/repos/huggingface/datasets/issues/8051/events | https://github.com/huggingface/datasets/pull/8051 | 4,038,763,775 | PR_kwDODunzps7Iu5aG | 8,051 | Add dtype property to Sequence, List, and LargeList (Fixes #8002) | {
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https://api.github.com/repos/huggingface/datasets/issues/8050 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8050/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8050/comments | https://api.github.com/repos/huggingface/datasets/issues/8050/events | https://github.com/huggingface/datasets/pull/8050 | 4,038,690,293 | PR_kwDODunzps7IurXm | 8,050 | Fix IterableDataset features being set to None on chained filter (Fixes #8037) | {
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} | This PR implements the solution suggested in #8037.
It updates the features argument in IterableDataset.filter() to preserve existing features when ex_iterable.is_typed is True. This prevents the TypeError: 'NoneType' object is not a mapping from being raised when chaining multiple .filter() calls. | {
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https://api.github.com/repos/huggingface/datasets/issues/8049 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8049/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8049/comments | https://api.github.com/repos/huggingface/datasets/issues/8049/events | https://github.com/huggingface/datasets/pull/8049 | 4,032,135,159 | PR_kwDODunzps7IZR_m | 8,049 | Fix typos in iterable_dataset.py | {
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https://api.github.com/repos/huggingface/datasets/issues/8048 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8048/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8048/comments | https://api.github.com/repos/huggingface/datasets/issues/8048/events | https://github.com/huggingface/datasets/issues/8048 | 4,031,613,102 | I_kwDODunzps7wTYiu | 8,048 | Support 3D Datasets | {
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In `datasets` library we have options to load `image` and `audio` datasets which can be viewed in the Dataset Viewer.
LIKE:
```bash
from datasets import load_dataset, Image
from datasets import load_dataset, Audio
```
> https://huggingface.co/docs/datasets/en/image_load & https://huggingface.co/do... | {
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https://api.github.com/repos/huggingface/datasets/issues/8047 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8047/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8047/comments | https://api.github.com/repos/huggingface/datasets/issues/8047/events | https://github.com/huggingface/datasets/pull/8047 | 4,030,434,134 | PR_kwDODunzps7IUKWg | 8,047 | fix: handle nested null types in feature alignment for multi-proc map | {
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The existing `_check_if_features_can_be_aligned` and `_align_features` only handled top-level `Value(... | {
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https://api.github.com/repos/huggingface/datasets/issues/8046 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8046/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8046/comments | https://api.github.com/repos/huggingface/datasets/issues/8046/events | https://github.com/huggingface/datasets/issues/8046 | 4,030,348,328 | I_kwDODunzps7wOjwo | 8,046 | `Dataset.map()` with `num_proc > 1` fails when some shards produce `List(Value('null'))` (empty lists) | {
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When using `Dataset.map()` with `num_proc > 1`, if the map function produces a list column where some shards contain only empty lists `[]` and other shards contain non-empty lists of structs, the feature type inference is inconsistent across shards:
- Shards with only empty lists → `List(Value('n... | {
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https://api.github.com/repos/huggingface/datasets/issues/8045 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8045/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8045/comments | https://api.github.com/repos/huggingface/datasets/issues/8045/events | https://github.com/huggingface/datasets/pull/8045 | 4,028,881,818 | PR_kwDODunzps7IPA1N | 8,045 | Write IterableDataset to parquet incrementally instead of materializing entire shard in memory | {
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} | `IterableDataset.to_parquet()` materialized the entire shard into memory via
`pa.concat_tables(list(...))` before writing. For datasets with large shards and multiprocessing (push_to_hub with num_proc > 0) the memory requirements can be really large.
This PR writes parquet incrementally by iterating Arrow batches a... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8044 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8044/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8044/comments | https://api.github.com/repos/huggingface/datasets/issues/8044/events | https://github.com/huggingface/datasets/pull/8044 | 4,028,042,275 | PR_kwDODunzps7IMNl4 | 8,044 | Fix silent data loss in push_to_hub when num_proc > num_shards | {
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"merged_at": "2026-03-09T17:22... | ## Summary
When `num_proc` exceeds the number of output shards in `Dataset.push_to_hub`, workers
without assigned output shards silently drop their data. The metadata still reports the
correct dataset length (using `len(self[split])`), masking the data loss.
This fix caps `num_jobs` at `num_shards` in `_push_pa... | {
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https://api.github.com/repos/huggingface/datasets/issues/8043 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8043/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8043/comments | https://api.github.com/repos/huggingface/datasets/issues/8043/events | https://github.com/huggingface/datasets/pull/8043 | 4,027,936,170 | PR_kwDODunzps7IL3IJ | 8,043 | Add features parameter to IterableDatasetDict.map | {
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https://api.github.com/repos/huggingface/datasets/issues/8042 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8042/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8042/comments | https://api.github.com/repos/huggingface/datasets/issues/8042/events | https://github.com/huggingface/datasets/pull/8042 | 4,027,903,841 | PR_kwDODunzps7ILwT5 | 8,042 | Fix schema enforcement in streaming _convert_to_arrow | {
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} | When the iter_arrow chain is broken (e.g. after .map() without with_format("arrow")), _convert_to_arrow falls back to pa.Table.from_pylist() which infers types from values. If early batches contain None or empty lists, Arrow infers null/list<null> types that conflict with later batches containing real data, causing Arr... | {
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https://api.github.com/repos/huggingface/datasets/issues/8041 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8041/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8041/comments | https://api.github.com/repos/huggingface/datasets/issues/8041/events | https://github.com/huggingface/datasets/pull/8041 | 4,027,152,089 | PR_kwDODunzps7IJPKo | 8,041 | Use num_examples instead of len(self) for iterable_dataset's SplitInfo | {
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https://api.github.com/repos/huggingface/datasets/issues/8040 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8040/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8040/comments | https://api.github.com/repos/huggingface/datasets/issues/8040/events | https://github.com/huggingface/datasets/pull/8040 | 4,025,912,223 | PR_kwDODunzps7IFFnG | 8,040 | Fix the logic for allowed extensions when creating build configurations (#8034) | {
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https://api.github.com/repos/huggingface/datasets/issues/8039 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8039/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8039/comments | https://api.github.com/repos/huggingface/datasets/issues/8039/events | https://github.com/huggingface/datasets/pull/8039 | 4,025,811,123 | PR_kwDODunzps7IEv9Z | 8,039 | Fix non-deterministic by sorting metadata extensions (#8034) | {
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https://api.github.com/repos/huggingface/datasets/issues/8038 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8038/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8038/comments | https://api.github.com/repos/huggingface/datasets/issues/8038/events | https://github.com/huggingface/datasets/issues/8038 | 4,020,184,168 | I_kwDODunzps7vnyRo | 8,038 | Typo in iterable_dataset.py | {
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`streaming=True**kwargs,` should be `streaming=True, **kwargs,`
https://github.com/huggingface/datasets/blob/81027be09d5cd9f06a6d64ef1a8a3e9ebd0f86fd/src/datasets/iterable_dataset.py#L2950
### Steps to reproduce the bug
```
from Datasets import Dataset
IterableDataset.from_csv("file.csv")
```
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https://api.github.com/repos/huggingface/datasets/issues/8037 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8037/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8037/comments | https://api.github.com/repos/huggingface/datasets/issues/8037/events | https://github.com/huggingface/datasets/issues/8037 | 4,008,928,790 | I_kwDODunzps7u82YW | 8,037 | IterableDataset.filter() chaining fails due to features being lost when is_typed=True | {
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Chaining multiple .filter() calls on an IterableDataset raises a TypeError: 'NoneType' object is not a mapping on the second .filter() call.
In `IterableDataset.filter()`, the internal `ex_iterable` is wrapped with FormattedExamplesIterable:
```python
ex_iterable = FormattedExamplesIterable(
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https://api.github.com/repos/huggingface/datasets/issues/8035 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8035/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8035/comments | https://api.github.com/repos/huggingface/datasets/issues/8035/events | https://github.com/huggingface/datasets/pull/8035 | 4,005,673,675 | PR_kwDODunzps7HDPtk | 8,035 | Update links in README to use markdown format | {
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https://api.github.com/repos/huggingface/datasets/issues/8034 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8034/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8034/comments | https://api.github.com/repos/huggingface/datasets/issues/8034/events | https://github.com/huggingface/datasets/issues/8034 | 4,004,188,523 | I_kwDODunzps7uqxFr | 8,034 | [BUG] load_datasets() cannot use the generated Arrow cache correctly | {
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The datasets library cannot use the generated Arrow cache correctly, seemingly due to a flaw in the internal hash symbol calculation logic.
The following code provides verification.
I am trying to locate the specific code position, and if there are further developments, I will update here.
### S... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8033 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8033/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8033/comments | https://api.github.com/repos/huggingface/datasets/issues/8033/events | https://github.com/huggingface/datasets/pull/8033 | 4,003,917,950 | PR_kwDODunzps7G-QP1 | 8,033 | perf: use deque for async map task/index queues | {
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} | ## Problem
`arrow_dataset.py` and `iterable_dataset.py` drain `indices` and `tasks` lists front-to-back via `.pop(0)` during parallel async map operations. With `MAX_NUM_RUNNING_ASYNC_MAP_FUNCTIONS_IN_PARALLEL` items in flight, each `.pop(0)` is **O(n)** making the drain loop **O(n²)**.
## Solution
Switch both `indi... | {
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https://api.github.com/repos/huggingface/datasets/issues/8032 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8032/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8032/comments | https://api.github.com/repos/huggingface/datasets/issues/8032/events | https://github.com/huggingface/datasets/pull/8032 | 4,003,285,460 | PR_kwDODunzps7G8PQ8 | 8,032 | set dev version | {
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https://api.github.com/repos/huggingface/datasets/issues/8031 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8031/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8031/comments | https://api.github.com/repos/huggingface/datasets/issues/8031/events | https://github.com/huggingface/datasets/pull/8031 | 4,003,278,631 | PR_kwDODunzps7G8N4w | 8,031 | release: 4.6.1 | {
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https://api.github.com/repos/huggingface/datasets/issues/8030 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8030/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8030/comments | https://api.github.com/repos/huggingface/datasets/issues/8030/events | https://github.com/huggingface/datasets/pull/8030 | 4,003,238,887 | PR_kwDODunzps7G8F4x | 8,030 | Remove tmp file in push to hub | {
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https://api.github.com/repos/huggingface/datasets/issues/8029 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8029/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8029/comments | https://api.github.com/repos/huggingface/datasets/issues/8029/events | https://github.com/huggingface/datasets/issues/8029 | 4,001,742,455 | I_kwDODunzps7uhb53 | 8,029 | `cache_dir` option in `download_config` in `load_dataset` is not respected | {
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Downloaded files still go to `~/.cache/huggingface/hub/` even if I specified `cache_dir` option in `download_config` in `load_dataset`.
### Steps to reproduce the bug
Run my freshly written script and found that downloaded files did not go where I want.
```python
'''
下载OpenWebText数据集，允许使用代理
'''
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https://api.github.com/repos/huggingface/datasets/issues/8028 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8028/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8028/comments | https://api.github.com/repos/huggingface/datasets/issues/8028/events | https://github.com/huggingface/datasets/pull/8028 | 4,000,313,779 | PR_kwDODunzps7GybfA | 8,028 | Fix torchcodec audio decoding to respect 'num_channels' | {
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} | Fixes torchcodec audio decoding when `num_channels` is set on `Audio`.
Before this change, `AudioDecoder["array"]` reduced multi-channel audio to mono by averaging channels, so the requested channel behavior was not respected.
With this PR:
- multi-channel decoded arrays are preserved by default;
- mono output ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8027 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8027/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8027/comments | https://api.github.com/repos/huggingface/datasets/issues/8027/events | https://github.com/huggingface/datasets/pull/8027 | 3,997,153,282 | PR_kwDODunzps7GoGjP | 8,027 | Add `Json()` type | {
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Examples of supported tool-calling / dataclaw datase... | {
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https://api.github.com/repos/huggingface/datasets/issues/8026 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8026/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8026/comments | https://api.github.com/repos/huggingface/datasets/issues/8026/events | https://github.com/huggingface/datasets/pull/8026 | 3,989,139,119 | PR_kwDODunzps7GNnFC | 8,026 | set dev version | {
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https://api.github.com/repos/huggingface/datasets/issues/8025 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8025/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8025/comments | https://api.github.com/repos/huggingface/datasets/issues/8025/events | https://github.com/huggingface/datasets/pull/8025 | 3,989,040,394 | PR_kwDODunzps7GNSUF | 8,025 | release: 4.6.0 | {
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https://api.github.com/repos/huggingface/datasets/issues/8024 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8024/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8024/comments | https://api.github.com/repos/huggingface/datasets/issues/8024/events | https://github.com/huggingface/datasets/pull/8024 | 3,983,877,502 | PR_kwDODunzps7F8QeB | 8,024 | Allow import polars in map() | {
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https://api.github.com/repos/huggingface/datasets/issues/8023 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8023/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8023/comments | https://api.github.com/repos/huggingface/datasets/issues/8023/events | https://github.com/huggingface/datasets/pull/8023 | 3,983,829,205 | PR_kwDODunzps7F8GUT | 8,023 | Support empty shard in from_generator | {
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https://api.github.com/repos/huggingface/datasets/issues/8022 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8022/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8022/comments | https://api.github.com/repos/huggingface/datasets/issues/8022/events | https://github.com/huggingface/datasets/pull/8022 | 3,983,057,516 | PR_kwDODunzps7F5eYs | 8,022 | fix: resolve base_path conflict between builder_kwargs and config_kwargs | {
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} | ## What does this PR fix?
This PR fixes a bug where passing `base_path` to `load_dataset_builder()` or `load_dataset()` causes a TypeError because both `builder_kwargs` and `config_kwargs` can contain the same key.
## Problem
When users call:
```python
from datasets import load_dataset
load_dataset("rotten_tomatoes"... | {
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https://api.github.com/repos/huggingface/datasets/issues/8021 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8021/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8021/comments | https://api.github.com/repos/huggingface/datasets/issues/8021/events | https://github.com/huggingface/datasets/pull/8021 | 3,981,426,772 | PR_kwDODunzps7F0FmV | 8,021 | progress bar optional manual control | {
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} | Fix: https://github.com/huggingface/datasets/issues/7939
Summary
The default behavior for the progress bar has been adjusted based on dataset size. It remains enabled for small datasets and is automatically disabled for larger datasets to improve performance. Users retain full control and can explicitly enable or... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8020 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8020/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8020/comments | https://api.github.com/repos/huggingface/datasets/issues/8020/events | https://github.com/huggingface/datasets/pull/8020 | 3,977,114,662 | PR_kwDODunzps7Fl8mj | 8,020 | feat: add return_file_name support to Parquet packaged builder | {
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} | Part of #5806. Extends the `return_file_name` feature (implemented for JSON in #7948 and CSV in #8019) to the Parquet packaged builder. When `return_file_name=True`, a `file_name` column containing the source file basename is appended to each batch. | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8019 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8019/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8019/comments | https://api.github.com/repos/huggingface/datasets/issues/8019/events | https://github.com/huggingface/datasets/pull/8019 | 3,977,073,546 | PR_kwDODunzps7Flz15 | 8,019 | feat: add return_file_name support to CSV packaged builder | {
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} | ## Summary
- Adds an optional `return_file_name: bool = False` parameter to `CsvConfig`
- When `return_file_name=True`, a `file_name` column is appended to every batch in `_generate_tables`, containing the basename of the source CSV file for each row
- Default is `False`, preserving full backward compatibility
## Mot... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8017 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8017/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8017/comments | https://api.github.com/repos/huggingface/datasets/issues/8017/events | https://github.com/huggingface/datasets/pull/8017 | 3,975,274,092 | PR_kwDODunzps7FgERR | 8,017 | Improve error message for deprecated dataset scripts with migration guidance | {
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} | Summary
This PR improves the RuntimeError message raised when deprecated local dataset scripts are detected.
Previously, the error message:
"Dataset scripts are no longer supported"
did not provide actionable migration guidance.
Improvements
- Clarifies the new architecture
- Provides explicit migration step... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8016 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8016/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8016/comments | https://api.github.com/repos/huggingface/datasets/issues/8016/events | https://github.com/huggingface/datasets/pull/8016 | 3,974,759,572 | PR_kwDODunzps7FecuC | 8,016 | Remove legacy Sphinx roles from docstrings | {
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} | ## Summary
Replace all remaining `:obj:`, `:class:`, `:func:`, and `:meth:` Sphinx cross-reference roles with plain backtick references, aligning with the project's current documentation conventions.
**14 files, 71 replacements. No logic changes.**
## Context
As noted in #5324, the codebase had a mix of old Sphinx ... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8015 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8015/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8015/comments | https://api.github.com/repos/huggingface/datasets/issues/8015/events | https://github.com/huggingface/datasets/issues/8015 | 3,974,281,900 | I_kwDODunzps7s4rqs | 8,015 | Iterating a streaming dataset correctly in random order | {
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For training to work properly it is considered good practice in machine learning to sample the dataset randomly (uniformly). I am not sure how the user is expected to do it correctly when the creator of the dataset did a bad job.
https://huggingface.co/docs/hub/datasets-webdataset
```
**Shuffle*... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8014 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8014/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8014/comments | https://api.github.com/repos/huggingface/datasets/issues/8014/events | https://github.com/huggingface/datasets/pull/8014 | 3,972,099,737 | PR_kwDODunzps7FV93G | 8,014 | Speed up local 'get_data_patterns' by avoiding repeated recursive scans | {
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} | This PR speeds up `get_data_patterns` for local paths.
### Problem
For `load_dataset("imagefolder", data_dir=...)`, `get_data_patterns` was repeatedly scanning the same local directory tree for many split patterns (`train`, `test`, etc.).
With large folders, this became very slow. This has also been reported b... | null | {
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https://api.github.com/repos/huggingface/datasets/issues/8013 | https://api.github.com/repos/huggingface/datasets | https://api.github.com/repos/huggingface/datasets/issues/8013/labels{/name} | https://api.github.com/repos/huggingface/datasets/issues/8013/comments | https://api.github.com/repos/huggingface/datasets/issues/8013/events | https://github.com/huggingface/datasets/pull/8013 | 3,964,156,070 | PR_kwDODunzps7E8Ovb | 8,013 | Add space between sentences 'operation.To debug' | {
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} | Previously the exception message would read "...abruptly died during map _operation.To_ debug the error...".
The `operation.To` part would actually render as a hyperlink when printed to Slack. | null | {
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