Jiant

Bugfixes
838cdd2 SQuAD tokenization update (1232)
5329c7e Winogrande Task Property (1229)
50b0116 Further fix for encoder_only (1242)
1f66050 Allow `force_overwrite` to override "done" condition (1241)
59438ed change checkpoint save default (1233)
e2e85c9 guids_fix (1225)
74c6ba0 fix notebooks path (1231)

Features
18c41fc Load only encoder weights (1240)

Documentation
711c6c8 Introduction filename correction (1239)
f340d04 minor typo fix (1238)

Added Tasks
e4f1c4b Winogrande (1203)
e7eefc6 Fever NLI task and data downloader (1215)
cb601cf Quail (1208)
c00360f MCTest and MCTACO (1197)
76e2826 Mcscript Task Property (1219)

Documentation
9892766 Add docs for adding tasks to data downloader (1221)

Bugfixes
cb7ee4a Fix save-last behavior (1220)

Cleanup
0cc8cbb use task_name instead of task.name (1224)

Added Tasks
442a2b0 - piqa (1216) (William Huang)
c535e78 - Natural Questions (MRQA), NewsQA, Quoref (1207) (Jason Phang)
d1b14c1 - mcscript (1152) (William Huang)
da7550d - Adding arc_easy, arc_challenge, mutual, mutual_plus (1206) (yzpang)
f4bca4e - add arct task doc documentation (1154) (jeswan)
b23c0f7 - arct (1151) (William Huang)
58beb8f - anli download (1147) (Jason Phang)

Features
0b3dff5 - Adding ability to resume run in Simple API (1205) (Jason Phang)

Notebooks
b81254b - Fix git clone in example notebooks (1155) (jeswan)

Bugfixes
aa4d111 - Bugfix for single-task configurator (1143) (Jason Phang)
14fac1c - Fix colab link in README (1142) (Jonathan Chang)
02bb070 - setup.py fix (1141) (Jason Phang)
7d1cc29 - Adding SingleTaskConfigurator, some cleanup (1135) (Jason Phang)

Maintenance
bump torch>=1.5.0. bump transformers==3.1.0. notebook installation switched to local pip install. (1218) (jeswan)
b20f30a - resolve_is_lower_case fix (1204) (Jason Phang)
5724fee - Adjust case for span prediction (1201) (Jason Phang)
c3387a3 - nlp to datasets (1137) (Jason Phang)
04bbb39 - update issue numbers from jiant-dev to jiant transfer (1196) (jeswan)
392976c - Task tweaks (1149) (Jason Phang)
82ed396 - use hidden_size (1148) (Jason Phang)

Highlighted changes:

* `jiant` 2.0 is a complete rewrite of `jiant`, built natively on [`transformers`](https://github.com/huggingface/transformers) and [`nlp`](https://github.com/huggingface/nlp)/[`datasets`](https://github.com/huggingface/datasets)
* Support for [50+ natural language understanding task](https://github.com/nyu-mll/jiant/blob/master/guides/tasks/supported_tasks.md), including the GLUE, SuperGLUE and XTREME benchmarks
* Support for BERT, RoBERTa, ALBERT, XLM-R, etc
* Includes data-downloading, tokenize-and-caching, training-and-evaluation code, and benchmark submission code for relevant tasks

Highlighted changes:
New Tasks
- Masked Language Modeling (for RoBERTa and ALBERT) (1030) (pruksmhc and phu-pmh)
- Sentence Order Prediction (for ALBERT) (1061) (pruksmhc and phu-pmh)
Minor changes and fixes
- Fixed target training data fraction bug where target training data fraction was not reflected in logging and scheduler (1071) (HaokunLiu)
- Fixed target train data fraction overwriting pretrain data fraction bug (1070) (pyeres)
- Added CONTRIBUTING.md (1036, 1038) (pyeres)
Dependency changes
- transformers 2.3.0 → transformers 2.6.0 (1059) (zphang)

Minor changes and fixes
- Fixed QAMR and QASRL tasks (1019) (pyeres)
- Changed tasks names using underscores to use hyphens (1016) (HaokunLiu)
- Fixed cola inference script (1023) (zphang)
- Re-ordered GPT-style inputs for consistency with GPT paper (1031) (HaokunLiu)
- Fixed edge probing and Senteval tasks (1025) (pruksmhc)