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@renovate renovate bot commented Aug 31, 2025

This PR contains the following updates:

Package Type Update Change
pyo3 dependencies minor 0.25.10.28.0

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Release Notes

pyo3/pyo3 (pyo3)

v0.28.0

Compare Source

Packaging
  • Bump MSRV to Rust 1.83. #​5531
  • Bump minimum supported quote version to 1.0.37. #​5531
  • Bump supported GraalPy version to 25.0. #​5542
  • Drop memoffset dependency. #​5545
  • Support for free-threaded Python is now opt-out rather than opt-in. #​5564
  • Bump target-lexicon dependency to 0.13.3. #​5571
  • Drop indoc and unindent dependencies. #​5608
Added
  • Add __init__ support in #[pymethods]. #​4951
  • Expose PySuper on PyPy, GraalPy and ABI3 #​4951
  • Add PyString::from_fmt and py_format! macro. #​5199
  • Add #[pyclass(new = "from_fields")] option. #​5421
  • Add pyo3::buffer::PyUntypedBuffer, a type-erased form of PyBuffer<T>. #​5458
  • Add PyBytes::new_with_writer #​5517
  • Add PyClass::NAME. #​5579
  • Add pyo3_build_config::add_libpython_rpath_link_args. #​5624
  • Add PyBackedStr::clone_ref and PyBackedBytes::clone_ref methods. #​5654
  • Add PyCapsule::new_with_pointer and PyCapsule::new_with_pointer_and_destructor for creating capsules with raw pointers. #​5689
  • Add #[deleter] attribute to implement property deleters in #[methods]. #​5699
  • Add IntoPyObject and FromPyObject implementations for uuid::NonNilUuid. #​5707
  • Add PyBackedStr::as_str and PyBackedStr::as_py_str methods. #​5723
  • Add support for subclassing native types (PyDict, exceptions, ...) when building for abi3 on Python 3.12+. #​5733
  • Add support for subclassing PyList when building for Python 3.12+. #​5734
  • FFI definitions:
    • Add FFI definitions PyEval_GetFrameBuiltins, PyEval_GetFrameGlobals and PyEval_GetFrameLocals on Python 3.13 and up. #​5590
    • Add FFI definitions PyObject_New, PyObject_NewVar, PyObject_GC_Resize, PyObject_GC_New, and PyObject_GC_NewVar. #​5591
    • Added FFI definitions and an unsafe Rust API wrapping Py_BEGIN_CRITICAL_SECTION_MUTEX and Py_BEGIN_CRITICAL_SECTION_MUTEX2. #​5642
    • Add FFI definition PyDict_GetItemStringRef on Python 3.13 and up. #​5659
    • Add FFI definition PyIter_NextItem on Python 3.14 and up, and compat::PyIter_NextItem for older versions. #​5661
    • Add FFI definitions PyThreadState_GetInterpreter and PyThreadState_GetID on Python 3.9+, PyThreadState_EnterTracing and PyThreadState_LeaveTracing on Python 3.11+, PyThreadState_GetUnchecked on Python 3.13+, and compat::PyThreadState_GetUnchecked. #​5711
    • Add FFI definitions PyImport_ImportModuleAttr and PyImport_ImportModuleAttrString on Python 3.14+. #​5737
    • Add FFI definitions for the PyABIInfo and PyModExport APIs available in Python 3.15. #​5746
  • experimental-inspect:
    • Emit base classes. #​5331
    • Emit @typing.final on final classes. #​5552
    • Generate nested classes for complex enums. #​5708
    • Emit async keyword for async functions. #​5731
Changed
  • Call sys.unraisablehook instead of PyErr_Print if panicking on null FFI pointer in Bound, Borrowed and Py constructors. #​5496
  • Use PEP-489 multi-phase initialization for #[pymodule]. #​5525
  • Deprecate implicit by-value implementation of FromPyObject for #[pyclass]. #​5550
  • Deprecate PyTypeInfo::NAME and PyTypeInfo::MODULE. #​5579
  • Deprecate Py<T>::from_{owned,borrowed}[or_{err,opt}] constructors from raw pointer. #​5585
  • Deprecate FFI definitions PyEval_AcquireLock and PyEval_ReleaseLock. #​5590
  • Relax 'py: 'a bound in Py::extract. #​5594
  • Add a T: PyTypeCheck bound to the IntoPyObject implementations on Bound<T>, Borrowed<T> and Py<T>. #​5640
  • The with_critical_section and with_critical_section2 functions are moved to pyo3::sync::critical_section. #​5642
  • Use PyIter_NextItem in PyIterator::next implementation. #​5661
  • IntoPyObject for simple enums now uses a singleton value, allowing identity (python is) comparisons. #​5665
  • Allow any Sequence[int] in FromPyObject on Cow<[u8]> and change the error type to PyErr. #​5667
  • async pymethods now borrow self only for the duration of awaiting the future, not the entire method call. #​5684
  • Change CastError formatted message to directly describe the "is not an instance of" failure condition. #​5693
  • Add #[inline] hints to many methods on PyBackedStr. #​5723
  • Remove redundant internal counters from BoundSetIterator and BoundFrozenSetIterator. #​5725
  • Implement PyIterator::size_hint on abi3 builds (previously was only on unlimited API builds). #​5727
  • Deprecate FFI definition PyImport_ImportModuleNoBlock (deprecated in Python 3.13). #​5737
  • #[new] can now return arbitrary Python objects. #​5739
  • experimental-inspect:
    • Introduce TypeHint and make use of it to encode type hint annotations. #​5438
    • Rename PyType{Info,Check}::TYPE_INFO into PyType{Info,Check}::TYPE_HINT. #​5438 #​5619 #​5641
    • Fill annotations on function arguments and return values for all types supported natively by PyO3. #​5634 #​5637 #​5639
    • Use _typeshed.Incomplete instead of typing.Any as default type hint, to make it easier to spot incomplete trait implementations. #​5744
    • Use general Python expression syntax for type hints. #​5671
Removed
  • Remove all functionality deprecated in PyO3 0.25 and 0.26. #​5740
  • FFI definitions:
    • Remove FFI definition PyEval_GetCallStats (removed from CPython in Python 3.7). #​5590
    • Remove FFI definitions PyEval_AcquireLock and PyEval_ReleaseLock on Python 3.13 and up. #​5590
    • Remove private FFI definitions _PyObject_New, _PyObject_NewVar, _PyObject_GC_Resize, _PyObject_GC_New, and _PyObject_GC_NewVar. #​5591
    • Remove private FFI definitions _PyDict_SetItem_KnownHash, _PyDict_Next, _PyDict_NewPresized, _PyDict_Contains_KnownHash, and _PyDict_Contains. #​5659
    • Remove private FFI definitions _PyFrameEvalFunction, _PyInterpreterState_GetEvalFrameFunc and _PyInterpreterState_SetEvalFrameFunc. #​5711
    • Remove private FFI definitions _PyImport_IsInitialized, _PyImport_SetModule, _PyImport_SetModuleString, _PyImport_AcquireLock, _PyImport_ReleaseLock, _PyImport_FindBuiltin, _PyImport_FindExtensionObject, _PyImport_FixupBuiltin, and _PyImport_FixupExtensionObject. #​5737
Fixed
  • Fix PyModuleMethods::add_submodule() to use the last segment of the submodule name as the attribute name on the parent module instead of using the full name. #​5375
  • Link with libpython for Cygwin extension modules. #​5571
  • Link against the limited API DLL for Cygwin when abi3 is used. #​5574
  • Handle errors in PyIterator when calling size_hint #​5604
  • Link with libpython for iOS extension modules. #​5605
  • Correct IntoPyObject output type of PyBackedStr to be PyString, not PyAny. #​5655
  • Fix async functions to return None rather than empty tuple (). #​5685
  • Fix compile error when using references to #[pyclass] types (e.g. &MyClass) as arguments to async #[pyfunction]s. #​5725
  • FFI definitions:
    • Fix FFI definition PyMemberDescrObject.d_member to use PyMemberDef for Python 3.11+ (was incorrectly PyGetSetDef). #​5647
    • Mark FFI definition PyThreadState_GetFrame available with abi3 in 3.10+. #​5711
    • Fix FFI definition PyImport_GetModule on PyPy. #​5737
  • experimental-inspect:
    • fix __new__ return type to be the built object type and not None. #​5555
    • fix imports of decorators. #​5618
    • fix the return type annotation of PyResult<()> (must be None and not tuple) #​5674

v0.27.2

Compare Source

Changed
  • Disable subclassing PyDict on GraalPy (unsupported for now, may crash at runtime). #​5653
Fixed
  • Fix crash when compiling on Rust 1.92+ with both debug assertions and optimizations enabled. #​5638
  • Fix FFI definition of PyDictObject on PyPy. #​5653

v0.27.1

Compare Source

Fixed
  • Fix clippy:declare_interior_mutable_const warning from #[pyfunction]. #​5538
  • Expose pyo3::types::PySendResult in public API. #​5539

v0.27.0

Compare Source

Packaging
  • Extend range of supported versions of hashbrown optional dependency to include version 0.16. #​5428
  • Bump optional num-bigint dependency minimum version to 0.4.4. #​5471
  • Test against Python 3.14 final release. #​5499
  • Drop support for PyPy 3.9 and 3.10. #​5516
  • Provide a better error message when building an outdated PyO3 for a too-new Python version. #​5519
Added
  • Add FromPyObjectOwned as convenient trait bound for FromPyObject when the data is not borrowed from Python. #​4390
  • Add Borrowed::extract, same as PyAnyMethods::extract, but does not restrict the lifetime by deref. #​4390
  • experimental-inspect: basic support for #[derive(IntoPyObject)] (no struct fields support yet). #​5365
  • experimental-inspect: support #[pyo3(get, set)] and #[pyclass(get_all, set_all)]. #​5370
  • Add PyTypeCheck::classinfo_object that returns an object that can be used as parameter in isinstance or issubclass. #​5387
  • Implement PyTypeInfo on datetime.* types even when the limited API is enabled. #​5388
  • Implement PyTypeInfo on PyIterator, PyMapping and PySequence. #​5402
  • Implement PyTypeInfo on PyCode when using the stable ABI. #​5403
  • Implement PyTypeInfo on PyWeakrefReference when using the stable ABI. #​5404
  • Add pyo3::sync::RwLockExt trait, analogous to pyo3::sync::MutexExt for readwrite locks. #​5435
  • Add PyString::from_bytes. #​5437
  • Implement AsRef<[u8]> for PyBytes. #​5445
  • Add CastError and CastIntoError. #​5468
  • Add PyCapsuleMethods::pointer_checked and PyCapsuleMethods::is_valid_checked. #​5474
  • Add Borrowed::cast, Borrowed::cast_exact and Borrowed::cast_unchecked. #​5475
  • Add conversions for jiff::civil::ISOWeekDate. #​5478
  • Add conversions for &Cstr, Cstring and Cow<Cstr>. #​5482
  • add #[pyclass(skip_from_py_object)] option, to opt-out of the FromPyObject: PyClass + Clone blanket impl. #​5488
  • Add PyErr::add_note. #​5489
  • Add FromPyObject impl for Cow<Path> & Cow<OsStr>. #​5497
  • Add #[pyclass(from_py_object)] pyclass option, to opt-in to the extraction of pyclasses by value (requires Clone). #​5506
Changed
  • Rework FromPyObject trait for flexibility and performance: #​4390
    • Add a second lifetime to FromPyObject, to allow borrowing data from Python objects (e.g. &str from Python str).
    • Replace extract_bound with extract, which takes Borrowed<'a, 'py, PyAny>.
  • Optimize FromPyObject implementations for Vec<u8> and [u8; N] from bytes and bytearray. #​5244
  • Deprecate #[pyfn] attribute. #​5384
  • Fetch type name dynamically on cast errors instead of using PyTypeCheck::NAME. #​5387
  • Deprecate PyTypeCheck::NAME in favour of PyTypeCheck::classinfo_object which provides the type information at runtime. #​5387
  • PyClassGuard(Mut) and PyRef(Mut) extraction now returns an opaque Rust error #​5413
  • Fetch type name dynamically when exporting types implementing PyTypeInfo with #[pymodule_use]. #​5414
  • Improve Debug representation of PyBuffer<T>. #​5442
  • experimental-inspect: change the way introspection data is emitted in the binaries to avoid a pointer indirection and simplify parsing. #​5450
  • Optimize Py<T>::drop for the case when attached to the Python interpreter. #​5454
  • Replace DowncastError and DowncastIntoError with CastError and CastIntoError. #​5468
  • Enable fast-path for 128-bit integer conversions on GraalPy. #​5471
  • Deprecate PyAnyMethods::downcast functions in favour of Bound::cast functions. #​5472
  • Make PyTypeCheck an unsafe trait. #​5473
  • Deprecate unchecked PyCapsuleMethods: pointer(), reference(), and is_valid(). #​5474
  • Reduce lifetime of return value in PyCapsuleMethods::reference. #​5474
  • PyCapsuleMethods::name now returns CapsuleName wrapper instead of &CStr. #​5474
  • Deprecate import_exception_bound in favour of import_exception. #​5480
  • PyList::get_item_unchecked, PyTuple::get_item_unchecked, and PyTuple::get_borrowed_item_unchecked no longer check for null values at the provided index. #​5494
  • Allow converting naive datetime into chrono DateTime<Local>. #​5507
Removed
  • Removed FromPyObjectBound trait. #​4390
Fixed
  • Fix compilation failure on wasm32-wasip2. #​5368
  • Fix OsStr conversion for non-utf8 strings on Windows. #​5444
  • Fix issue with cargo vendor caused by gitignored build artifact emscripten/pybuilddir.txt. #​5456
  • Stop leaking PyMethodDef instances inside #[pyfunction] macro generated code. #​5459
  • Don't export definition of FFI struct PyObjectObFlagsAndRefcnt on 32-bit Python 3.14 (doesn't exist). #​5499
  • Fix failure to build for abi3 interpreters on Windows using maturin's built-in sysconfig in combination with the generate-import-lib feature. #​5503
  • Fix FFI definitions PyModule_ExecDef and PyModule_FromDefAndSpec2 on PyPy. #​5529

v0.26.0

Compare Source

Packaging
  • Bump hashbrown dependency to 0.15. #​5152
  • Update MSRV to 1.74. #​5171
  • Set the same maximum supported version for alternative interpreters as for CPython. #​5192
  • Add optional bytes dependency to add conversions for bytes::Bytes. #​5252
  • Publish new crate pyo3-introspection to pair with the experimental-inspect feature. #​5300
  • The PYO3_BUILD_EXTENSION_MODULE now causes the same effect as the extension-module feature. Eventually we expect maturin and setuptools-rust to set this environment variable automatically. Users with their own build systems will need to do the same. #​5343
Added
  • Add #[pyo3(warn(message = "...", category = ...))] attribute for automatic warnings generation for #[pyfunction] and #[pymethods]. #​4364
  • Add PyMutex, available on Python 3.13 and newer. #​4523
  • Add FFI definition PyMutex_IsLocked, available on Python 3.14 and newer. #​4523
  • Add PyString::from_encoded_object. #​5017
  • experimental-inspect: add basic input type annotations. #​5089
  • Add FFI function definitions for PyFrameObject from CPython 3.13. #​5154
  • experimental-inspect: tag modules created using #[pymodule] or #[pymodule_init] functions as incomplete. #​5207
  • experimental-inspect: add basic return type support. #​5208
  • Add PyCode::compile and PyCodeMethods::run to create and execute code objects. #​5217
  • Add PyOnceLock type for thread-safe single-initialization. #​5223
  • Add PyClassGuard(Mut) pyclass holders. In the future they will replace PyRef(Mut). #​5233
  • experimental-inspect: allow annotations in #[pyo3(signature)] signature attribute. #​5241
  • Implement MutexExt for parking_lot's/lock_api ReentrantMutex. #​5258
  • experimental-inspect: support class associated constants. #​5272
  • Add Bound::cast family of functions superseding the PyAnyMethods::downcast family. #​5289
  • Add FFI definitions Py_Version and Py_IsFinalizing. #​5317
  • experimental-inspect: add output type annotation for #[pyclass]. #​5320
  • experimental-inspect: support #[pyclass(eq, eq_int, ord, hash, str)]. #​5338
  • experimental-inspect: add basic support for #[derive(FromPyObject)] (no struct fields support yet). #​5339
  • Add Python::try_attach. #​5342
Changed
  • Use Py_TPFLAGS_DISALLOW_INSTANTIATION instead of a __new__ which always fails for a #[pyclass] without a #[new] on Python 3.10 and up. #​4568
  • PyModule::from_code now defaults file_name to <string> if empty. #​4777
  • Deprecate PyString::from_object in favour of PyString::from_encoded_object. #​5017
  • When building with abi3 for a Python version newer than pyo3 supports, automatically fall back to an abi3 build for the latest supported version. #​5144
  • Change is_instance_of trait bound from PyTypeInfo to PyTypeCheck. #​5146
  • Many PyO3 proc macros now report multiple errors instead of only the first one. #​5159
  • Change MutexExt return type to be an associated type. #​5201
  • Use PyCallArgs for Py::call and friends so they're equivalent to their Bound counterpart. #​5206
  • Rename Python::with_gil to Python::attach. #​5209
  • Rename Python::allow_threads to Python::detach #​5221
  • Deprecate GILOnceCell type in favour of PyOnceLock. #​5223
  • Rename pyo3::prepare_freethreaded_python to Python::initialize. #​5247
  • Convert PyMemoryError into/from io::ErrorKind::OutOfMemory. #​5256
  • Deprecate GILProtected. #​5285
  • Move #[pyclass] docstring formatting from import time to compile time. #​5286
  • Python::attach will now panic if the Python interpreter is in the process of shutting down. #​5317
  • Add fast-path to PyTypeInfo::type_object for #[pyclass] types. #​5324
  • Deprecate PyObject type alias for Py<PyAny>. #​5325
  • Rename Python::with_gil_unchecked to Python::attach_unchecked. #​5340
  • Rename Python::assume_gil_acquired to Python::assume_attached. #​5354
Removed
  • Remove FFI definition of internals of PyFrameObject. #​5154
  • Remove Eq and PartialEq implementations on PyGetSetDef FFI definition. #​5196
  • Remove private FFI definitions _Py_IsCoreInitialized and _Py_InitializeMain. #​5317
Fixed
  • Use critical section in PyByteArray::to_vec on freethreaded build to replicate GIL-enabled "soundness". #​4742
  • Fix precision loss when converting bigdecimal into Python. #​5198
  • Don't treat win7 target as a cross-compilation. #​5210
  • WASM targets no longer require exception handling support for Python < 3.14. #​5239
  • Fix segfault when dropping PyBuffer<T> after the Python interpreter has been finalized. #​5242
  • experimental-inspect: better automated imports generation. #​5251
  • experimental-inspect: fix introspection of __richcmp__, __concat__, __repeat__, __inplace_concat__ and __inplace_repeat__. #​5273
  • fixed a leaked borrow, when converting a mutable sub class into a frozen base class using PyRef::into_super #​5281
  • Fix FFI definition Py_Exit (never returns, was () return value, now !). #​5317
  • experimental-inspect: fix handling of module members gated behind #[cfg(...)] attributes. #​5318

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - Between 12:00 AM and 03:59 AM, only on Monday ( * 0-3 * * 1 ) (UTC).

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@renovate renovate bot enabled auto-merge (squash) August 31, 2025 12:29
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renovate bot commented Aug 31, 2025

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

  • any of the package files in this branch needs updating, or
  • the branch becomes conflicted, or
  • you click the rebase/retry checkbox if found above, or
  • you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: Cargo.lock
Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path bindings/python/Cargo.toml --package pyo3@0.25.1 --precise 0.28.0
error: failed to parse manifest at `/tmp/renovate/repos/github/codegen-sh/pink/bindings/python/Cargo.toml`

Caused by:
  error inheriting `edition` from workspace root manifest's `workspace.package.edition`

Caused by:
  failed to parse manifest at `/tmp/renovate/repos/github/codegen-sh/pink/Cargo.toml`

Caused by:
  the cargo feature `codegen-backend` requires a nightly version of Cargo, but this is the `stable` channel
  See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels.
  See https://doc.rust-lang.org/cargo/reference/unstable.html#codegen-backend for more information about using this feature.

@renovate renovate bot force-pushed the renovate/pyo3-0.x branch 3 times, most recently from 413494f to 0a9638c Compare October 19, 2025 13:35
@renovate renovate bot changed the title fix(deps): update rust crate pyo3 to 0.26.0 fix(deps): update rust crate pyo3 to 0.27.0 Oct 19, 2025
@renovate renovate bot force-pushed the renovate/pyo3-0.x branch 2 times, most recently from 6adacad to 3918cc1 Compare November 9, 2025 14:10
@renovate renovate bot force-pushed the renovate/pyo3-0.x branch from 3918cc1 to 26f1b2e Compare November 20, 2025 21:16
@renovate renovate bot force-pushed the renovate/pyo3-0.x branch from 26f1b2e to 8cce1e1 Compare February 2, 2026 00:56
@renovate renovate bot changed the title fix(deps): update rust crate pyo3 to 0.27.0 fix(deps): update rust crate pyo3 to 0.28.0 Feb 2, 2026
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