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Add Python 3.15 and free-threaded 3.14 to the conda-forge CI matrix - #3170
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antonwolfy
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ndgrigorian and
vlad-perevezentsev
as code owners
November 7, 2026 14:17
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🟢 Approval recommended
No active review issues are reported for the expanded Python CI coverage.
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What changed in this PR
Expands conda-forge CI coverage to Python 3.15 and free-threaded Python 3.14, aligning these entries with conda-package.yml.
Changes:
- Adds
cp314tandcp315variants to both build and test matrices. - Retains a TODO for free-threaded Python 3.15 pending NumPy and
dpctlavailability on conda-forge.
| File | Description |
|---|---|
.github/workflows/conda-build-test.yml |
Extends Python build and test coverage and updates the remaining dependency TODO. |
Review effort: Balanced
Contributor
|
View rendered docs @ https://intelpython.github.io/dpnp/pull/3170/index.html |
Contributor
|
Array API standard conformance tests for dpnp=0.22.0dev1=np2py314h8d9cdd5_13 ran successfully. |
Collaborator
|
No base build to compare — conda-forge-ci-py315-py314t into master |
ndgrigorian
approved these changes
Nov 8, 2026
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antonwolfy
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Nov 9, 2026
The PR updates `conda-index` version to `0.13.0`. With the `0.12.1` pin, `conda install` into the channel env can't move `conda` past 26.7.x, which has no `cp315`/`cp314t` builds, because `conda` 26.9 needs `conda-pypi>=0.13`, which needs `conda-index>=0.13.0`. That is why the new 3.15 and free-threaded 3.14 jobs of the conda-forge workflow fail in #3170 with `LibMambaUnsatisfiableError`.
github-actions Bot
added a commit
that referenced
this pull request
Nov 9, 2026
The PR updates `conda-index` version to `0.13.0`. With the `0.12.1` pin, `conda install` into the channel env can't move `conda` past 26.7.x, which has no `cp315`/`cp314t` builds, because `conda` 26.9 needs `conda-pypi>=0.13`, which needs `conda-index>=0.13.0`. That is why the new 3.15 and free-threaded 3.14 jobs of the conda-forge workflow fail in #3170 with `LibMambaUnsatisfiableError`. 639ea43
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dpctl0.23.0 on conda-forge hascp314tandcp315builds forlinux-64andwin-64, so the TODOs in the conda-forge build and test workflow can be resolved. This PR adds3.14.* *_cp314tand3.15.* *_cp315to the build and test matrices ofconda-build-test.yml, matchingconda-package.yml.The other conda-forge dependencies are already there: Cython and NumPy have
cp314tandcp315builds, pybind11 and scikit-build are noarch, and SciPy is a test requirement only for Python < 3.14. The currentdpctl >=0.22.1floor inconda-recipe-cf/meta.yamlresolves to 0.23.0 for these Python versions, because 0.22.1 has no builds for them.The TODO for free-threaded 3.15 (
3.15.* *_cp315t) stays, as conda-forge has nocp315tbuilds of NumPy ordpctlyet.