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Cython v0.29.29 Release Notes

Release Date: 2022-05-16 // almost 2 years ago

  • 🔋 Features added

    • Avoid acquiring the GIL at the end of nogil functions. This change was backported in order to avoid generating wrong C code that would trigger C compiler warnings with tracing support enabled. Backport by Oleksandr Pavlyk. (Github issue :issue:4637)

    🐛 Bugs fixed

    • Function definitions in finally: clauses were not correctly generated. Patch by David Woods. (Github issue :issue:4651)

    • 🛠 A case where C-API functions could be called with a live exception set was fixed. Patch by Jakub Kulík. (Github issue :issue:4722)

    • Pickles can now be exchanged again with those generated from Cython 3.0 modules. (Github issue :issue:4680)

    • Cython now correctly generates Python methods for both the provided regular and reversed special numeric methods of extension types. Patch by David Woods. (Github issue :issue:4750)

    • Calling unbound extension type methods without arguments could raise an IndexError instead of a TypeError. Patch by David Woods. (Github issue :issue:4779)

    • Calling unbound .__contains__() super class methods on some builtin base types could trigger an infinite recursion. Patch by David Woods. (Github issue :issue:4785)

    • The C union type in pure Python mode mishandled some field names. Patch by Jordan Brière. (Github issue :issue:4727)

    • 👉 Allow users to overwrite the C macro _USE_MATH_DEFINES. Patch by Yuriy Chernyshov. (Github issue :issue:4690)

    • 👌 Improved compatibility with CPython 3.10/11. Patches by Thomas Caswell, David Woods. (Github issues :issue:4609, :issue:4667, :issue:4721, :issue:4730, :issue:4777)

    • 📄 Docstrings of descriptors are now provided in PyPy 7.3.9. Patch by Matti Picus. (Github issue :issue:4701)

    .. _0.29.28: