2.2.0

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).