* **Add support for the `project` section in the
`pyproject.toml` file according to PEP 621** (#708, #792).
* Add support for non PEP440 compliant version in the
`platform_release` marker (#722).
* Add support for string comparisons with `in` / `not in` in
generic constraints (#722).
* Add support for script files that are generated by a build
script (#710).
* Add support for `SOURCE_DATE_EPOCH` when building packages
(#766, #781).
* Drop support for Python 3.8 (#798).
* Create `METADATA` files with version 2.3 instead of 2.2
* Normalize source vcs URLs (#701).
* Make `allow-prereleases` a tri-state setting (#783).
* Rename exceptions to have an `Error` suffix (#767).
* Remove support for `x` in version constraints (#770).
* Remove support for scripts with extras (#708).
* Remove deprecated features and interfaces (#702,
* #769).
* Deprecate `tool.poetry.dev-dependencies` in favor of
`tool.poetry.group.dev.dependencies` (#754).
* Deprecate `Package.python_marker` (#446).
* Improve Cygwin git support under Windows (#704).
* Improve error message when the `pyproject.toml` file cannot
be parsed (#734).
* Improve handling of `readme` files (#752).
* Improve error handling when the Python constraint is empty
(#761).
* Improve performance for creating a PEP 508 requirement from a
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-poetry-core?expand=0&rev=54
