-----------------------------
Features & Improvements
- Fully support of PEP 621 specification.
- Old format is deprecated at the same time.
- PDM will migrate the project file for you when old format is detected.
- Other metadata formats(`Poetry`, `Pipfile`, `flit`) can also be imported as PEP 621 metadata. [175](https://github.com/pdm-project/pdm/issues/175)
- Re-implement the `pdm search` to query the `/search` HTTP endpoint. [195](https://github.com/pdm-project/pdm/issues/195)
- Reuse the cached built wheels to accelerate the installation. [200](https://github.com/pdm-project/pdm/issues/200)
- Make update strategy and save strategy configurable in pdm config. [202](https://github.com/pdm-project/pdm/issues/202)
- Improve the error message to give more insight on what to do when resolution fails. [207](https://github.com/pdm-project/pdm/issues/207)
- Set `classifiers` dynamic in `pyproject.toml` template for autogeneration. [209](https://github.com/pdm-project/pdm/issues/209)
Bug Fixes
- Fix a bug that distributions are not removed clearly in parallel mode. [204](https://github.com/pdm-project/pdm/issues/204)
- Fix a bug that python specifier `is_subset()` returns incorrect result. [206](https://github.com/pdm-project/pdm/issues/206)