Added
- `MRR (Mean Reciprocal Rank)` to `metrics` ([29](https://github.com/MobileTeleSystems/RecTools/pull/29))
- `F1beta`, `MCC (Matthew correlation coefficient)` to `metrics` ([32](https://github.com/MobileTeleSystems/RecTools/pull/32))
- Base `Splitter` class to construct data splitters ([31](https://github.com/MobileTeleSystems/RecTools/pull/31))
- `RandomSplitter` to `model_selection` ([31](https://github.com/MobileTeleSystems/RecTools/pull/31))
- `LastNSplitter` to `model_selection` ([33](https://github.com/MobileTeleSystems/RecTools/pull/32))
- Support for `Python 3.10` ([47](https://github.com/MobileTeleSystems/RecTools/pull/47))
Changed
- Bumped `implicit` version to `0.7.1` ([45](https://github.com/MobileTeleSystems/RecTools/pull/45))
- Bumped `lightfm` version to `1.17` ([43](https://github.com/MobileTeleSystems/RecTools/pull/43))
- Bumped `pylint` version to `2.17.6` ([43](https://github.com/MobileTeleSystems/RecTools/pull/43))
- Moved `nmslib` from main dependencies to extras ([36](https://github.com/MobileTeleSystems/RecTools/pull/36))
- Moved `lightfm` to extras ([51](https://github.com/MobileTeleSystems/RecTools/pull/51))
- Renamed `nn` extra to `torch` ([51](https://github.com/MobileTeleSystems/RecTools/pull/51))
- Optimized inference for vector models with COSINE and DOT distances using `implicit` library topk method ([52](https://github.com/MobileTeleSystems/RecTools/pull/52))
- Changed initialization of `TimeRangeSplitter` (instead of `date_range` argument, use `test_size` and `n_splits`) ([53](https://github.com/MobileTeleSystems/RecTools/pull/51))
- Changed split infos key names in splitters ([53](https://github.com/MobileTeleSystems/RecTools/pull/51))
Fixed
- Bugs with new version of `pytorch_lightning` ([43](https://github.com/MobileTeleSystems/RecTools/pull/43))
- `pylint` config for new version ([43](https://github.com/MobileTeleSystems/RecTools/pull/43))
- Cyclic imports ([45](https://github.com/MobileTeleSystems/RecTools/pull/45))
Removed
- `Markdown` dependancy ([54](https://github.com/MobileTeleSystems/RecTools/pull/54))