1.2.0b2

Added

• Added support for multiple-constraint direct origin dependencies with the same version (#5715)
• Added support disabling TLS verification for custom package sources via poetry config certificates.<repository>.cert false (#5719
• Added new configuration (virtualenvs.prompt) to customize the prompt of the Poetry-managed virtual environment (#5606)
• Added progress indicator to download_file (used when downloading dists) (#5451)
• Added --dry-run to poetry version command (#5603)
• Added --why to poetry show (#5444)
• Added support for single page (html) repositories (#5517)
• Added support for PEP 508 strings when adding dependencies via poetry add command (#5554)
• Added --no-cache as a global option (#5519)
• Added cert retrieval for HTTP requests made by Poetry (#5320)
• Added --skip-existing to poetry publish (#2812)
• Added --all-extras to poetry install (#5452)
• Added new poetry self sub-commands to manage plugins and/or system environment packages, eg: keyring backends (#5450)
• Added new configuration (installer.no-binary) to allow selection of non-binary distributions when installing a dependency (#5609)

Changed

• poetry plugin commands are now deprecated in favor of the more generic poetry self commands (#5450)
• When creating new projects, Poetry no longer restricts README extensions to md and rst (#5357)
• Changed the provider to allow fallback to installed packages (#5704)
• Solver now correctly handles and prefers direct reference constraints (vcs, file etc.) over public version identifiers (#5654)
• Changed the build script behavior to create an ephemeral build environment when a build script is specified (#5401)
• Improved performance when determining PEP 517 metadata from sources (#5601)
• Project package sources no longer need to be redefined as global repositories when configuring credentials (#5563)
• Replaced external git command use with dulwich, in order to force the legacy behaviour set experimental.system-git-client configuration to true (#5428)
• Improved http request handling for sources and multiple paths on same netloc (#5518)
• Made no-pip and no-setuptools configuration explicit (#5455)
• Improved application logging, use of -vv now provides more debug information (#5503)
• Renamed implicit group default to main (#5465)
• Replaced in-tree implementation of poetry export with poetry-plugin-export (#5413)
• Changed the password manager behavior to use a "null" keyring when disabled (#5251)
• Incremental improvement of Solver performance (#5335)
• Newly created virtual environments on macOS now are excluded from Time Machine backups (#4599)
• Poetry no longer raises an exception when a package is not found on PyPI (#5698)
• Update packaging dependency to use major version 21, this change forces Poetry to drop support for managing Python 2.7 environments (#4749)

Fixed

• Fixed poetry update --dry-run to not modify poetry.lock (#5718, #3666, #3766)
• Fixed #5537 where export fails to resolve dependencies with more than one path (#5688)
• Fixed an issue where the environment variables POETRY_CONFIG_DIR and POETRY_CACHE_DIR were not being respected (#5672)
• Fixed #3628 and #4702 by handling invalid distributions gracefully (#5645)
• Fixed an issue where the provider ignored subdirectory when merging and improve subdirectory support for vcs deps (#5648)
• Fixed an issue where users could not select an empty choice when selecting dependencies (#4606)
• Fixed an issue where poetry init -n crashes in a root directory (#5612)
• Fixed an issue where Solver errors arise due to wheels having different Python constraints (#5616)
• Fixed an issue where editable path dependencies using setuptools could not be correctly installed (#5590)
• Fixed flicker when displaying executor operations (#5556)
• Fixed an issue where the poetry lock --no-update only sorted by name and not by name and version (#5446)
• Fixed an issue where the Solver fails when a dependency has multiple constrained dependency definitions for the same package (#5403)
• Fixed an issue where dependency resolution takes a while because Poetry checks all possible combinations even markers are mutually exclusive (#4695)
• Fixed incorrect version selector constraint (#5500)
• Fixed an issue where poetry lock --no-update dropped packages (#5435)
• Fixed an issue where packages were incorrectly grouped when exporting (#5156)
• Fixed an issue where lockfile always updates when using private sources (#5362)
• Fixed an issue where the solver did not account for selected package features (#5305)
• Fixed an issue with console script execution of editable dependencies on Windows (#3339)
• Fixed an issue where editable builder did not write PEP-610 metadata (#5703)
• Fixed an issue where Poetry 1.1 lock files were incorrectly identified as not fresh (#5458)

Docs

• Updated plugin management commands (#5450)
• Added the --readme flag to documentation (#5357)
• Added example for multiple maintainers (#5661)
• Updated documentation for issues #4800, #3709, #3573, #2211 and #2414 (#5656)
• Added poetry.toml note in configuration (#5492)
• Add documentation for poetry about, poetry help, poetrylist, and the --full-path and --all options documentation (#5664)
• Added more clarification to the --why flag (#5653)
• Updated documentation to refer to PowerShell for Windows, including instructions (#3978, #5618)
• Added PEP 508 name requirement (#5642)
• Added example for each section of pyproject.toml (#5585)
• Added documentation for --local to fix issue #5623 (#5629)
• Added troubleshooting documentation for using proper quotation with ZSH (#4847)
• Added information on git and basic http auth ([#5578](https://github.com/python-poetry...

1.2.0b1

Fixed

• Fixed an issue where the system environment couldn't be detected (#4406).
• Fixed another issue where the system environment couldn't be detected (#4433).
• Replace deprecated requests parameter in uploader (#4580).
• Fix an issue where venv are detected as broken when using MSys2 on windows (#4482).
• Fixed an issue where the cache breaks on windows (#4531).
• Fixed an issue where a whitespace before a semicolon was missing on poetry export (#4575).
• Fixed an issue where markers were not correctly assigned to nested dependencies (#3511).
• Recognize one digit version in wheel filenames (#3338).
• Fixed an issue when locale is unset (#4038).
• Fixed an issue where the fallback to another interpreter didn't work (#3475).
• Merge any marker constraints into constraints with specific markers (#4590).
• Normalize path before hashing so that the generated venv name is independent of case on Windows (#4813).
• Fixed an issue where a dependency wasn't upgrade by using @latest on poetry update (#4945).
• Fixed an issue where conda envs in windows are always reported as broken(#5007).
• Fixed an issue where Poetry doesn't find its own venv on poetry self update (#5049).
• Fix misuse of pretty_constraint (#4932).
• Fixed an issue where the reported python version used for venv creation wasn't correct (#5086).
• Fixed an issue where the searched package wasn't display in the interactive dialog of poetry init (#5076).
• Fixed an issue where Poetry raises an exception on poetry show when no lock files exists (#5242).
• Fixed an issue where Poetry crashes when optional vcs_info.requested_version in direct_url.json wasn't included (#5274).
• Fixed an issue where dependencies with extras were updated despite using --no-update (#4618).
• Fixed various places where poetry writes messages to stdout instead of stderr (#4110, #5179).
• Ensured that when complete packages are created dependency inherits source and resolved refs from package (#4604).
• Ensured that when complete packages are created dependency inherits subdirectory from package if supported (#4604).
• Fixed an issue where POETRY_EXPERIMENTAL_NEW_INSTALLER needs to be set to an empty string to disable it (#3811).

Added

• poetry show <package> now also shows which packages depend on it (#2351).
• The info dialog by poetry about now contains version information about installed poetry and poetry-core (#5288).
• Print error message when poetry publish fails (#3549).
• Added in info output to poetry lock --check (#5081).
• Added new argument --all for poetry env remove to delete all venv of a project at once (#3212).
• Added new argument --without-urls for poetry export to exclude source repository urls from the exported file (#4763).
• Added a new installer.max-workers property to the configuration (#3516).
• Added experimental option virtualenvs.prefer-active-python to detect current activated python (#4852).
• Added better windows shell support (#5053).

Changed

• Drop python3.6 support (#5055).
• Exit with callable return code in generated script (#4456).
• Internal use of the pep517 high level interfaces for package metadata inspections have been replaced with the build package. (#5155).
• Poetry now raises an error if the python version in the project environment is no longer compatible with the project (#4520).

1.1.13

Fixed

• Fixed an issue where envs in MSYS2 always reported as broken (#4942)
• Fixed an issue where conda envs in windows are always reported as broken(#5008)
• Fixed an issue where Poetry doesn't find its own venv on poetry self update (#5048)

1.1.12

Fixed

• Fixed broken caches on Windows due to Path starting with a slash (#4549)
• Fixed JSONDecodeError when installing packages by updating cachecontrol version (#4831)
• Fixed dropped markers in dependency walk (#4686)

1.1.11

Fixed

• Fixed errors when installing packages on Python 3.10. (#4592)
• Fixed an issue where the wrong git executable could be used on Windows. (python-poetry/poetry-core#213)
• Fixed an issue where the Python 3.10 classifier was not automatically added. (python-poetry/poetry-core#215)

1.1.10

Fixed

• Fixed an issue where non-sha256 hashes were not checked. (#4529)

1.1.9

Fixed

• Fixed a security issue where file hashes were not checked prior to installation. (#4420, #4444, python-poetry/poetry-core#193)
• Fixed the detection of the system environment when the setting virtualenvs.create is deactivated. (#4507)
• Fixed an issue where unsafe parameters could be passed to git commands. (python-poetry/poetry-core#203)
• Fixed an issue where the wrong git executable could be used on Windows. (python-poetry/poetry-core#205)

1.1.8

Fixed

• Fixed an error with repository prioritization when specifying secondary repositories. (#4241)
• Fixed the detection of the system environment when the setting virtualenvs.create is deactivated. (#4330, #4407)
• Fixed the evaluation of relative path dependencies. (#4246)
• Fixed environment detection for Python 3.10 environments. (#4387)
• Fixed an error in the evaluation of in/not in markers (python-poetry/poetry-core#189)

1.2.0a2

Added

• Poetry now supports dependency groups. (#4260)
• The install command now supports a --sync option to synchronize the environment with the lock file. (#4336)

Changed

• Improved the way credentials are retrieved to better support keyring backends. (#4086)
• The --remove-untracked option of the install command is now deprecated in favor of the new --sync option. (#4336)
• The user experience when installing dependency groups has been improved. (#4336)

Fixed

• Fixed performance issues when resolving dependencies. (#3839)
• Fixed an issue where transitive dependencies of directory or VCS dependencies were not installed or otherwise removed. (#4202)
• Fixed the behavior of the init command in non-interactive mode. (#2899)
• Fixed the detection of the system environment when the setting virtualenvs.create is deactivated. (#4329)
• Fixed the display of possible solutions for some common errors. (#4332)

1.1.7

Note: Lock files might need to be regenerated for the first fix below to take effect.
You can use poetry lock to do so without the --no-update option.

Changed

• This release is compatible with the install-poetry.py installation script to ease the migration path from 1.1 releases to 1.2 releases. (#4192)

Fixed

• Fixed an issue where transitive dependencies of directory or VCS dependencies were not installed or otherwise removed. (#4203)
• Fixed an issue where the combination of the --tree and --no-dev options for the show command was still displaying development dependencies. (#3992)