Catalyst

Added

- Circle loss implementation ([802](https://github.com/catalyst-team/catalyst/pull/802))
- BatchBalanceSampler for metric learning and classification ([806](https://github.com/catalyst-team/catalyst/pull/806))
- `CheckpointCallback`: new argument `load_on_stage_start` which accepts `str` and `Dict[str, str]` ([797](https://github.com/catalyst-team/catalyst/pull/797))
- LanguageModelingDataset to catalyst\[nlp\] ([808](https://github.com/catalyst-team/catalyst/pull/808))
- Extra counters for batches, loaders and epochs ([809](https://github.com/catalyst-team/catalyst/pull/809))
- `TracerCallback` ([789](https://github.com/catalyst-team/catalyst/pull/789))

Changed

- `CheckpointCallback`: additional logic for argument `load_on_stage_end` - accepts `str` and `Dict[str, str]` ([797](https://github.com/catalyst-team/catalyst/pull/797))
- counters names for batches, loaders and epochs ([809](https://github.com/catalyst-team/catalyst/pull/809))
- `utils.trace_model`: changed logic - `runner` argument was changed to `predict_fn` ([789](https://github.com/catalyst-team/catalyst/pull/789))
- redesigned `contrib.data` and `contrib.datasets` ([820](https://github.com/catalyst-team/catalyst/pull/820))
- `catalyst.utils.meters` moved to `catalyst.tools` ([820](https://github.com/catalyst-team/catalyst/pull/820))
- `catalyst.contrib.utils.tools.tensorboard` moved to `catalyst.contrib.tools` ([820](https://github.com/catalyst-team/catalyst/pull/820))

Removed

-

Fixed

- device selection fix for [798](https://github.com/catalyst-team/catalyst/issues/798) ([#815](https://github.com/catalyst-team/catalyst/pull/815))
- batch size counting fix for [799](https://github.com/catalyst-team/catalyst/issues/799) and [#755](https://github.com/catalyst-team/catalyst/issues/755) issues ([#809](https://github.com/catalyst-team/catalyst/pull/809))

Added

- Added new docs and minimal examples ([747](https://github.com/catalyst-team/catalyst/pull/747))
- Added experiment to registry ([746](https://github.com/catalyst-team/catalyst/pull/746))
- Added examples with extra metrics ([750](https://github.com/catalyst-team/catalyst/pull/750))
- Added VAE example ([752](https://github.com/catalyst-team/catalyst/pull/752))
- Added gradient tracking ([679](https://github.com/catalyst-team/catalyst/pull/679)
- Added dependabot ([771](https://github.com/catalyst-team/catalyst/pull/771))
- Added new test for Config API ([768](https://github.com/catalyst-team/catalyst/pull/768))
- Added Visdom logger ([769](https://github.com/catalyst-team/catalyst/pull/769))
- Added new github actions and templates ([777](https://github.com/catalyst-team/catalyst/pull/777))
- Added `save_n_best=0` support for CheckpointCallback ([784](https://github.com/catalyst-team/catalyst/pull/784))
- Added new contrib modules for CV ([793](https://github.com/catalyst-team/catalyst/pull/793))
- Added new github actions CI ([791](https://github.com/catalyst-team/catalyst/pull/791))

Changed

- Changed `Alchemy` dependency (from `alchemy-catalyst` to `alchemy`) ([748](https://github.com/catalyst-team/catalyst/pull/748))
- Changed warnings logic ([719](https://github.com/catalyst-team/catalyst/pull/719))
- Github actions CI was updated ([754](https://github.com/catalyst-team/catalyst/pull/754))
- Changed default `num_epochs` to 1 for `State` ([756](https://github.com/catalyst-team/catalyst/pull/756))
- Changed `state.batch_in`/`state.batch_out` to `state.input`/`state.output` ([763](https://github.com/catalyst-team/catalyst/pull/763))
- Moved `torchvision` dependency from `catalyst` to `catalyst[cv]` ([738](https://github.com/catalyst-team/catalyst/pull/738)))

Removed

- GanRunner removed to Catalyst.GAN ([760](https://github.com/catalyst-team/catalyst/pull/760))
- `monitoring_params` were removed ([760](https://github.com/catalyst-team/catalyst/pull/760))

Fixed

- Fixed docker dependencies ([$753](https://github.com/catalyst-team/catalyst/pull/753))
- Fixed `text2embeddding` script ([722](https://github.com/catalyst-team/catalyst/pull/722))
- Fixed `utils/sys` exception ([762](https://github.com/catalyst-team/catalyst/pull/762))
- Returned `detach` method ([766](https://github.com/catalyst-team/catalyst/pull/766))
- Fixed timer division by zero ([749](https://github.com/catalyst-team/catalyst/pull/749))
- Fixed minimal torch version ([775](https://github.com/catalyst-team/catalyst/pull/775))
- Fixed segmentation tutorial ([778](https://github.com/catalyst-team/catalyst/pull/778))
- Fixed Dockerfile dependency ([780](https://github.com/catalyst-team/catalyst/pull/780))

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