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Starbuck5
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Backport Pypy 3.11 support to 2.5.5.

Plan:

  • See if CI still works fine
  • Take pypy 3.11 wheel, manually add to GitHub release and Pypi release
  • Put notice in GitHub release notes with date added
  • Ping the people who asked for this on discord

This is a new operation for us but could be a good test for doing the same thing for Python 3.14 support once RC1 comes out? I guess one issue with that is that it would need up to date cibuildwheel.

* Add pypy 3.11 support

* Upgrade cython version

* Allow for numpy prerelease for pypy 3.11

* Numpy DOES have a full pypy 3.11 release...

* drop pypy 3.9

Co-authored-by: Ankith <[email protected]>

* Skip numpy on manylinux x86_64 pypy 3.11

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Co-authored-by: Ankith <[email protected]>
@Starbuck5 Starbuck5 requested a review from a team as a code owner July 17, 2025 07:08
@Starbuck5 Starbuck5 added the pypy label Jul 17, 2025
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@ankith26 ankith26 left a comment

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I'm -1 for doing this. I think pypy 3.11 can wait for our next release. I don't think we should be changing pyproject.toml for a release after said release however safe or trivial the changes are.

@Starbuck5
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Starbuck5 commented Jul 19, 2025

@ankith26 You've also expressed hesitance to release soon given we have limited space on pypi. This is our only other solution to get people stuff quickly. Python 3.14 rc1 comes out in 3 days and we could use the same strategy there.

In terms of pypyproject.toml changes, it is unclear from Andrew's PR why a Cython update was necessary.

@oddbookworm
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Build failed without a cython version update

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