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Enable support of Python 3.15 - #378
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antonwolfy wants to merge 6 commits into
Open
antonwolfy wants to merge 6 commits into
antonwolfy wants to merge 6 commits into
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Add Python 3.15 to the CI matrices and package metadata: - pyproject.toml: add the 3.15 classifier and bump requires-python to <3.16 - clang smoke builds: add 3.15 and allow-prereleases in setup-python - build_pip: add 3.15 and the conda-forge/label/python_rc RC channel - conda-package(-cf): add 3.15 rows (numpy 2.5) and the python_rc channel
setup-miniconda creates the environment with python=3.15 using only its own 'channels' input, so the release candidate must be available there too - the channel added to the later conda build/CHANNELS steps is not enough.
mkl-service has no Python 3.15 wheel on PyPI yet, so the jobs that install it through pip cannot run on 3.15. Drop 3.15 from the build_pip and clang workflow matrices until the wheel is published. Conda workflows still cover 3.15.
antonwolfy
marked this pull request as ready for review
October 5, 2026 20:18
antonwolfy
requested review from
jharlow-intel,
ndgrigorian,
vlad-perevezentsev and
xaleryb
as code owners
October 5, 2026 20:18
…d wheel The merge of master left the cp314t include row (use_pre: "") active. It overwrote the python_spec of the plain 3.14 job, so that job ran the free-threaded interpreter and failed to install mkl-service from PyPI. Comment the row out, matching the --pre row and master.
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This PR adds Python 3.15 across the CI matrices and package metadata.
Note, it relies on the legacy (GIL) behavior for 3.15; free-threading support is handled separately in #357.