1.9.0

Datasets Changes

• New: C4 #2575 #2592 (@lhoestq)
• New: mC4 #2576 (@lhoestq)
• New: MasakhaNER #2465 (@dadelani)
• New: Eduge #2492 (@enod)
• Update: xor_tydi_qa - update version #2455 (@cccntu)
• Update: kilt-TriviaQA - original answers #2410 (@PaulLerner)
• Update: udpos - change features structure #2466 (@jerryIsHere)
• Update: WebNLG - update checksums #2558 (@lhoestq)
• Fix: climate fever - adjusting indexing for the labels. #2464 (@drugilsberg)
• Fix: proto_qa - fix download link #2463 (@mariosasko)
• Fix: ProductReviews - fix label parsing #2530 (@yavuzKomecoglu)
• Fix: DROP - fix DuplicatedKeysError #2545 (@albertvillanova)
• Fix: code_search_net - fix keys #2555 (@lhoestq)
• Fix: discofuse - fix link cc #2541 (@VictorSanh)
• Fix: fever - fix keys #2557 (@lhoestq)

Datasets Features

• Dataset Streaming #2375 #2582 (@lhoestq)
  • Fast download and process your data on-the-fly when iterating over your dataset
  • Works with huge datasets like OSCAR, C4, mC4 and hundreds of other datasets
• JAX integration #2502 (@lhoestq)
• Add Parquet loader + from_parquet and to_parquet #2537 (@lhoestq)
• Implement ClassLabel encoding in JSON loader #2468 (@albertvillanova)
• Set configurable downloaded datasets path #2488 (@albertvillanova)
• Set configurable extracted datasets path #2487 (@albertvillanova)
• Add align_labels_with_mapping function #2457 (@lewtun) #2510 (@lhoestq)
• Add interleave_datasets for map-style datasets #2568 (@lhoestq)
• Add load_dataset_builder #2500 (@mariosasko)
• Support Zstandard compressed files #2578 (@albertvillanova)

Task templates

• Add task templates for tydiqa and xquad #2518 (@lewtun)
• Insert text classification template for Emotion dataset #2521 (@lewtun)
• Add summarization template #2529 (@lewtun)
• Add task template for automatic speech recognition #2533 (@lewtun)
• Remove task templates if required features are removed during Dataset.map #2540 (@lewtun)
• Inject templates for ASR datasets #2565 (@lewtun)

General improvements and bug fixes

• Allow to use tqdm>=4.50.0 #2482 (@lhoestq)
• Use gc.collect only when needed to avoid slow downs #2483 (@lhoestq)
• Allow latest pyarrow version #2490 (@albertvillanova)
• Use default cast for sliced list arrays if pyarrow >= 4 #2497 (@albertvillanova)
• Add Zenodo metadata file with license #2501 (@albertvillanova)
• add tensorflow-macos support #2493 (@slayerjain)
• Keep original features order #2453 (@albertvillanova)
• Add course banner #2506 (@sgugger)
• Rearrange JSON field names to match passed features schema field names #2507 (@albertvillanova)
• Fix typo in MatthewsCorrelation class name #2517 (@albertvillanova)
• Use scikit-learn package rather than sklearn in setup.py #2525 (@lesteve)
• Improve performance of pandas arrow extractor #2519 (@albertvillanova)
• Fix fingerprint when moving cache dir #2509 (@lhoestq)
• Replace bad n>1M size tag #2527 (@lhoestq)
• Fix dev version #2531 (@lhoestq)
• Sync with transformers disabling NOTSET #2534 (@albertvillanova)
• Fix logging levels #2544 (@albertvillanova)
• Add support for Split.ALL #2259 (@mariosasko)
• Raise FileNotFoundError in WindowsFileLock #2524 (@mariosasko)
• Make numpy arrow extractor faster #2505 (@lhoestq)
• fix Dataset.map when num_procs > num rows #2566 (@connor-mccarthy)
• Add ASR task and new languages to resources #2567 (@lewtun)
• Filter expected warning log from transformers #2571 (@albertvillanova)
• Fix BibTeX entry #2579 (@albertvillanova)
• Fix Counter import #2580 (@albertvillanova)
• Add aiohttp to tests extras require #2587 (@albertvillanova)
• Add language tags #2590 (@lewtun)
• Support pandas 1.3.0 read_csv #2593 (@lhoestq)

Dataset cards

• Updated Dataset Description #2420 (@binny-mathew)
• Update DatasetMetadata and ReadMe #2436 (@gchhablani)
• CRD3 dataset card #2515 (@wilsonyhlee)
• Add license to the Cambridge English Write & Improve + LOCNESS dataset card #2546 (@lhoestq)
• wi_locness: reference latest leaderboard on codalab #2584 (@aseifert)

Docs

• no s at load_datasets #2479 (@julien-c)
• Fix docs custom stable version #2477 (@albertvillanova)
• Improve Features docs #2535 (@albertvillanova)
• Update README.md #2414 (@cryoff)
• Fix FileSystems documentation #2551 (@connor-mccarthy)
• Minor fix in loading metrics docs #2562 (@albertvillanova)
• Minor fix docs format for bertscore #2570 (@albertvillanova)
• Add streaming in load a dataset docs #2574 (@lhoestq)