chore(deps): bump pyo3 from 0.29.0 to 0.29.2

[dependabot]

Bumps pyo3 from 0.29.0 to 0.29.2.

Release notes

Sourced from pyo3's releases.

PyO3 0.29.2

This patch fixes a regression in PyO3 0.29.1 which broke PyPy 3.11 compatibility (#[pyclass] types would crash PyPy on instance deletion).

A few further fixes have also landed with similar themes to PyO3 0.29.1: fixes to minor reference counting bugs, rough edges which would cause crashes, issues which would cause failed builds, and fixes to experimental-inspect type stub generation.

For a full list of the exact fixes please consult the CHANGELOG.

Thank you to the following contributors for the improvements:

@​davidhewitt @​dependabot[bot] @​ImFeH2 @​musicinmybrain @​Tpt @​WaterWhisperer

PyO3 0.29.1

This patch is a stack of fixes for PyO3 0.29. Particular themes include:

• Fixes addressing build failures with newer interpreters such as GraalPy 3.13 and CPython 3.15
• Fixes resolving potential memory leaks inside #[pyclass] implementation internals
• Fixes to the new experimental-inspect type stub machinery

For a full list of the fixes in these above themes and more, please consult the CHANGELOG.

Thank you to the following contributors for the improvements:

@​alex @​bschoenmaeckers @​chirizxc @​davidhewitt @​dependabot[bot] @​exg @​ImFeH2 @​IvanIsCoding @​jonasdedden @​MatthieuDartiailh @​msimacek @​ngoldbaum @​Person-93 @​ratazzi @​rewitt94 @​scott-griffiths @​ShiroKSH @​tobni @​Tpt @​WaterWhisperer

Changelog

Sourced from pyo3's changelog.

[0.29.2] - 2026-08-05

Packaging

• Add PYO3_USE_RAW_DYLIB=0 opt-out of raw-dylib linking for Windows. #6185

Fixed

• Fix PyO3 0.29 regression with failure to link under Cygwin / MSYS2. #6185
• Fix stubs generation for field getters (#[pyo3(get)]) when IntoPyObject is only implemented on references of the field type. #6276
• Fix #[classmethod] magic methods receiving the instance instead of its type when invoked through a type slot. #6283
• Fix pyo3_build_config::add_libpython_rpath_link_args emitting Unix-style rpath linker arguments on Windows and Cygwin. #6284
• Fix PyO3 0.29.1 regression on PyPy causing crashes when deallocating #[pyclass] instances. #6294
• Fix missing trailing nul in Python 3.9 #[pyclass] docstrings. #6296
• Fix reference count leak of #[classattr] values created from fn items. #6297

[0.29.1] - 2026-08-02

Changed

• Use the inline definition of Py_TYPE in the unlimited API on 3.14+ #6179

Fixed

• Fix incorrect pointer arithmetic in FFI definitions PyObject_GET_WEAKREFS_LISTPTR and PyHeapType_GET_MEMBERS. #6145
• Fix compilation error with nightly feature on PyPy and GraalPy due to !Ungil implementations for FFI types not available on those platforms. #6146
• Fix append_to_inittab and PyInit_<module> internal module definition corruption on 32-bit and big-endian platforms on Python 3.15+. #6150
• Fix return value of PyClassGuardMutSuper::as_super being scoped to the full guard lifetime, now the &mut borrow of the as_super() call. #6181
• Fix builds for free-threaded interpreters older than 3.15 erroring with "cannot set a minimum Python version" when an abi3t-py3* feature is enabled and the configuration comes from PYO3_CONFIG_FILE, sysconfigdata or cross-compilation defaults. #6192
• Fix a memory leak when deallocating #[pyclass(dict)] instances with a populated __dict__. #6198
• Fix an abort inside a #[pyclass]'s GC traversal when the traversal is stopped early. #6206
• Fix reference cycles through the __dict__ of a #[pyclass(dict)] never being collected. #6206
• Fix building on GraalPy 3.13. #6208
• Fix reference count leak of references to #[pyclass] type objects held by their instances on instance deallocation. #6224
• Fix FFI definitions PyByteArray_GET_SIZE, PyList_GET_SIZE, and PySet_GET_SIZE to use an atomic load for free-threaded Python. #6230
• Fix a memory leak on Python 3.11 and 3.12 where creating an instance of a #[pyclass(dict)] class leaked one empty dict per instance. #6234
• Fix experimental-inspect type stubs to emit the arguments of many magic methods as positional-only to match runtime behavior, rather than positional-or-keyword. #6239
• Fix experimental-inspect type stubs to emit the Python name rather than the Rust name for #[pyfunction(name = "...")]. #6254
• Fix experimental-inspect generating invalid internal JSON when #[pymodule] members are gated by #[cfg]. #6255
• Fix __inplace_concat__ and __inplace_repeat__ overriding __concat__ and __repeat__ when both were defined. #6260
• Fix conversion of out-of-range time::Duration values to return OverflowError instead of panicking. #6266
• Fix experimental-inspect type stubs padding blank lines inside indented docstrings. #6270

Commits

• a70d17f release: 0.29.2
• bd00e11 fix backports.zoneinfo for uv install
• 7cbd144 fix double-decref in PyPy in instance dealloc (#6294)
• e57fb6f fix missing trailing nul on Python 3.9 #[pyclass] docstrings (#6296)
• d83693c fix refcount leak in initialize_tp_dict (#6297)
• 48ebbd8 fix: skip libpython rpath args on Windows and Cygwin (#6284)
• bd73377 fix: pass class to classmethod magic methods (#6283)
• af8d149 Restore pyo3-introspection license files (#6289)
• 0120c59 unblock CI via a uv constraint (#6295)
• 3161efc build(deps): bump CodSpeedHQ/action from 4 to 5.0.1 (#6286)
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Status	Name	Latest Commit	Updated (UTC)
✅ Deployment successful! View logs	opentimstdf-docs	a74f62d	Aug 09 2026, 01:03 AM