Added

• Introduce the new source priorities explicit and supplemental (#7658, #6879).
• Introduce the option to configure the priority of the implicit PyPI source (#7801).
• Add handling for corrupt cache files (#7453).
• Improve caching of URL and git dependencies (#7693, #7473).
• Add option to skip installing directory dependencies (#6845, #7923).
• Add --executable option to poetry env info (#7547).
• Add --top-level option to poetry show (#7415).
• Add --lock option to poetry remove (#7917).
• Add experimental POETRY_REQUESTS_TIMEOUT option (#7081).
• Improve performance of wheel inspection by avoiding unnecessary file copy operations (#7916).

Changed

• Remove the old deprecated installer and the corresponding setting experimental.new-installer (#7356).
• Introduce priority key for sources and deprecate flags default and secondary (#7658).
• Deprecate poetry run <script> if the script was not previously installed via poetry install (#7606).
• Only write the lock file if the installation succeeds (#7498).
• Do not write the unused package category into the lock file (#7637).

Fixed

• Fix an issue where Poetry's internal pyproject.toml continually grows larger with empty lines (#7705).
• Fix an issue where Poetry crashes due to corrupt cache files (#7453).
• Fix an issue where the Retry-After in HTTP responses was not respected and retries were handled inconsistently (#7072).
• Fix an issue where Poetry silently ignored invalid groups (#7529).
• Fix an issue where Poetry does not find a compatible Python version if not given explicitly (#7771).
• Fix an issue where the direct_url.json of an editable install from a git dependency was invalid (#7473).
• Fix an issue where error messages from build backends were not decoded correctly (#7781).
• Fix an infinite loop when adding certain dependencies (#7405).
• Fix an issue where pre-commit hooks skip pyproject.toml files in subdirectories (#7239).
• Fix an issue where pre-commit hooks do not use the expected Python version (#6989).
• Fix an issue where an unclear error message is printed if the project name is the same as one of its dependencies (#7757).
• Fix an issue where poetry install returns a zero exit status even though the build script failed (#7812).
• Fix an issue where an existing .venv was not used if in-project was not set (#7792).
• Fix an issue where multiple extras passed to poetry add were not parsed correctly (#7836).
• Fix an issue where poetry shell did not send a newline to fish (#7884).
• Fix an issue where poetry update --lock printed operations that were not executed (#7915).
• Fix an issue where poetry add --lock did perform a full update of all dependencies (#7920).
• Fix an issue where poetry shell did not work with nushell (#7919).
• Fix an issue where subprocess calls failed on Python 3.7 (#7932).
• Fix an issue where keyring was called even though the password was stored in an environment variable (#7928).

Docs

• Add information about what to use instead of --dev (#7647).
• Promote semantic versioning less aggressively (#7517).
• Explain Poetry's own versioning scheme in the FAQ (#7517).
• Update documentation for configuration with environment variables (#6711).
• Add details how to disable the virtualenv prompt (#7874).
• Improve documentation on whether to commit poetry.lock (#7506).
• Improve documentation of virtualenv.create (#7608).

poetry-core (1.6.0)

• Improve error message for invalid markers (#569).
• Increase robustness when deleting temporary directories on Windows (#460).
• Replace tomlkit with tomli, which changes the interface of some internal classes (#483).
• Deprecate Package.category (#561).
• Fix a performance regression in marker handling (#568).
• Fix an issue where wildcard version constraints were not handled correctly (#402).
• Fix an issue where poetry build created duplicate Python classifiers if they were specified manually (#578).
• Fix an issue where local versions where not handled correctly (#579).