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Pythonnet does install on the new Python 3.14.0 yet #2626

@mborus

Description

@mborus

For the newly released Python 3.14.0 on Windows 11 there's no wheel.
Currently the installation via pip / uv fails. Same problems apply to Windows 10.

(314_venv) C:\Users\<removed>>python -m pip install pythonnet

Collecting pythonnet
  Using cached pythonnet-2.5.2.tar.gz (1.9 MB)
  Preparing metadata (setup.py) ... done
Requirement already satisfied: pycparser in c:\users\<removed>\314_venv2\lib\site-packages (from pythonnet) (2.23)
Building wheels for collected packages: pythonnet
  DEPRECATION: Building 'pythonnet' using the legacy setup.py bdist_wheel mechanism, which will be removed in a future version. pip 25.3 will enforce this behaviour change. A possible replacement is to use the standardized build interface by setting the `--use-pep517` option, (possibly combined with `--no-build-isolation`), or adding a `pyproject.toml` file to the source tree of 'pythonnet'. Discussion can be found at https://github.com/pypa/pip/issues/6334
  Building wheel for pythonnet (setup.py) ... error
  error: subprocess-exited-with-error

  × python setup.py bdist_wheel did not run successfully.
  │ exit code: 1

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