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feat(python): default to Python 3.15 - #3386

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gaborbernat merged 6 commits into
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feat/python315-default
Oct 10, 2026
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gaborbernat merged 6 commits into
mainfrom
feat/python315-default

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@gaborbernat

@gaborbernat gaborbernat commented Oct 9, 2026 •

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Use Python 3.15 as the default interpreter for development and automation after its release.

Keep the supported Python versions and their compatibility dependencies.

Run Proselint in an isolated Python 3.14 environment until RE2 publishes Python 3.15 wheels. Documentation builds and development environments use Python 3.15.

Use Beartype 0.23.0rc2 for the SPDX tooling on Python 3.15. It fixes the removed typing API import; the release lock includes the new version and hashes.

Run Atheris fuzzing in an isolated Python 3.14 environment until Atheris supports Python 3.15. The upstream fix is in Atheris #115.

@gaborbernat
gaborbernat marked this pull request as draft October 9, 2026 23:07
@gaborbernat
gaborbernat marked this pull request as ready for review October 10, 2026 02:08
@gaborbernat
gaborbernat merged commit bf09c7e into main Oct 10, 2026
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@gaborbernat
gaborbernat deleted the feat/python315-default branch October 10, 2026 04:01
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