- Add forward compatibility for lock file format 2.0, which will be used by Poetry 1.3 ([#6608](https://github.com/python-poetry/poetry/pull/6608)).
### Changed
- Allow `poetry lock` to re-generate the lock file when invalid or incompatible ([#6753](https://github.com/python-poetry/poetry/pull/6753)).
### Fixed
- Fix an issue where the deprecated JSON API was used to query PyPI for available versions of a package ([#6081](https://github.com/python-poetry/poetry/pull/6081)).
- Fix an issue where versions were escaped wrongly when building the wheel name ([#6476](https://github.com/python-poetry/poetry/pull/6476)).
- Fix an issue where the installation of dependencies failed if pip is a dependency and is updated in parallel to other dependencies ([#6582](https://github.com/python-poetry/poetry/pull/6582)).
- Fix an issue where the names of extras were not normalized according to PEP 685 ([#6541](https://github.com/python-poetry/poetry/pull/6541)).
- Fix an issue where sdist names were not normalized ([#6621](https://github.com/python-poetry/poetry/pull/6621)).
- Fix an issue where invalid constraints, which are ignored, were only reported in a debug message instead of a warning ([#6730](https://github.com/python-poetry/poetry/pull/6730)).
- Fix an issue where `poetry shell` was broken in git bash on Windows ([#6560](https://github.com/python-poetry/poetry/pull/6560)).
### Docs
- Rework the README and contribution docs ([#6552](https://github.com/python-poetry/poetry/pull/6552)).
- Fix for inconsistent docs for multiple-constraint dependencies ([#6604](https://github.com/python-poetry/poetry/pull/6604)).
- Add `3.11` to the list of available Python versions ([#477](https://github.com/python-poetry/poetry-core/pull/477)).
- Fix an issue where caret constraints of pre-releases with a major version of 0 resulted in an empty version range ([#475](https://github.com/python-poetry/poetry-core/pull/475)).
- Add support for exporting `constraints.txt` files ([#128](https://github.com/python-poetry/poetry-plugin-export/pull/128)).
- Fix an issue where a relative path passed via `-o` was not interpreted relative to the current working directory ([#130](https://github.com/python-poetry/poetry-plugin-export/pull/130)).
## [1.2.1] - 2022-09-16
## [1.2.1] - 2022-09-16
### Changed
### Changed
- Bump `poetry-core` to [`1.2.0`](https://github.com/python-poetry/poetry-core/releases/tag/1.2.0).
- Bump `poetry-core` to [`1.2.0`](https://github.com/python-poetry/poetry-core/releases/tag/1.2.0).
- Bump `poetry-plugin-export` to [`^1.0.7`](https://github.com/python-poetry/poetry-plugin-export/releases/tag/1.0.7).
- Bump `poetry-plugin-export` to [`^1.0.7`](https://github.com/python-poetry/poetry-plugin-export/releases/tag/1.0.7).