v2.2.1

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Fixed

• Fix an issue where poetry self show failed with a message about an invalid output format (#​10560).

Docs

• Remove outdated statements about dependency groups (#​10561).

poetry-core (2.2.1)

• Fix an issue where it was not possible to declare a PEP 735 dependency group as optional (#​888).

v2.2.0

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Added

• Add support for nesting dependency groups (#​10166).
• Add support for PEP 735 dependency groups (#​10130).
• Add support for PEP 639 license clarity (#​10413).
• Add a --format option to poetry show to alternatively output json format (#​10487).
• Add official support for Python 3.14 (#​10514).

Changed

• Normalize dependency group names (#​10387).
• Change installer.no-binary and installer.only-binary so that explicit package names will take precedence over :all: (#​10278).
• Improve log output during poetry install when a wheel is built from source (#​10404).
• Improve error message in case a file lock could not be acquired while cloning a git repository (#​10535).
• Require dulwich>=0.24.0 (#​10492).
• Allow virtualenv>=20.33 again (#​10506).
• Allow findpython>=0.7 (#​10510).
• Allow importlib-metadata>=8.7 (#​10511).

Fixed

• Fix an issue where poetry new did not create the project structure in an existing empty directory (#​10431).
• Fix an issue where a dependency that was required for a specific Python version was not installed into an environment of a pre-release Python version (#​10516).

poetry-core (2.2.0)

• Deprecate table values and values that are not valid SPDX expressions for [project.license] (#​870).
• Fix an issue where explicitly included files that are in .gitignore were not included in the distribution (#​874).
• Fix an issue where marker operations could result in invalid markers (#​875).