release: 0.29.2

davidhewitt · davidhewitt · commit a70d17f898df · 2026-08-05T20:38:45.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -10,6 +10,22 @@ To see unreleased changes, please see the [CHANGELOG on the main branch guide](h
 
 <!-- towncrier release notes start -->
 
+## [0.29.2] - 2026-08-05
+
+### Packaging
+
+- Add `PYO3_USE_RAW_DYLIB=0` opt-out of `raw-dylib` linking for Windows. [#6185](https://github.com/PyO3/pyo3/pull/6185)
+
+### Fixed
+
+- Fix PyO3 0.29 regression with failure to link under Cygwin / MSYS2. [#6185](https://github.com/PyO3/pyo3/pull/6185)
+- Fix stubs generation for field getters (`#[pyo3(get)]`) when `IntoPyObject` is only implemented on references of the field type. [#6276](https://github.com/PyO3/pyo3/pull/6276)
+- Fix `#[classmethod]` magic methods receiving the instance instead of its type when invoked through a type slot. [#6283](https://github.com/PyO3/pyo3/pull/6283)
+- Fix `pyo3_build_config::add_libpython_rpath_link_args` emitting Unix-style rpath linker arguments on Windows and Cygwin. [#6284](https://github.com/PyO3/pyo3/pull/6284)
+- Fix PyO3 0.29.1 regression on PyPy causing crashes when deallocating `#[pyclass]` instances. [#6294](https://github.com/PyO3/pyo3/pull/6294)
+- Fix missing trailing nul in Python 3.9 `#[pyclass]` docstrings. [#6296](https://github.com/PyO3/pyo3/pull/6296)
+- Fix reference count leak of `#[classattr]` values created from `fn` items. [#6297](https://github.com/PyO3/pyo3/pull/6297)
+
 ## [0.29.1] - 2026-08-02
 
 ### Changed
@@ -2682,7 +2698,8 @@ Yanked
 
 - Initial release
 
-[Unreleased]: https://github.com/pyo3/pyo3/compare/v0.29.1...HEAD
+[Unreleased]: https://github.com/pyo3/pyo3/compare/v0.29.2...HEAD
+[0.29.1]: https://github.com/pyo3/pyo3/compare/v0.29.1...v0.29.2
 [0.29.1]: https://github.com/pyo3/pyo3/compare/v0.29.0...v0.29.1
 [0.29.0]: https://github.com/pyo3/pyo3/compare/v0.28.3...v0.29.0
 [0.28.3]: https://github.com/pyo3/pyo3/compare/v0.28.2...v0.28.3
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pyo3"
-version = "0.29.1"
+version = "0.29.2"
 description = "Bindings to Python interpreter"
 authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
 readme = "README.md"
@@ -36,10 +36,10 @@ libc = "0.2.62"
 once_cell = "1.21"
 
 # ffi bindings to the python interpreter, split into a separate crate so they can be used independently
-pyo3-ffi = { path = "pyo3-ffi", version = "=0.29.1" }
+pyo3-ffi = { path = "pyo3-ffi", version = "=0.29.2" }
 
 # support crate for macros feature
-pyo3-macros = { path = "pyo3-macros", version = "=0.29.1", optional = true }
+pyo3-macros = { path = "pyo3-macros", version = "=0.29.2", optional = true }
 
 # support crate for multiple-pymethods feature
 inventory = { version = "0.3.5", optional = true }
@@ -94,7 +94,7 @@ regex = "1.12.3"
 ctrlc = "3.5.2"
 
 [build-dependencies]
-pyo3-build-config = { path = "pyo3-build-config", version = "=0.29.1" }
+pyo3-build-config = { path = "pyo3-build-config", version = "=0.29.2" }
 
 [features]
 default = ["macros"]
diff --git a/README.md b/README.md
@@ -71,7 +71,7 @@ name = "string_sum"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = "0.29.1"
+pyo3 = "0.29.2"
 ```
 
 **`src/lib.rs`**
@@ -139,7 +139,7 @@ Start a new project with `cargo new` and add  `pyo3` to the `Cargo.toml` like th
 
 ```toml
 [dependencies.pyo3]
-version = "0.29.1"
+version = "0.29.2"
 # Enabling this cargo feature will cause PyO3 to start a Python interpreter on first call to `Python::attach`
 features = ["auto-initialize"]
 ```
diff --git a/examples/decorator/.template/pre-script.rhai b/examples/decorator/.template/pre-script.rhai
@@ -1,4 +1,4 @@
-variable::set("PYO3_VERSION", "0.29.1");
+variable::set("PYO3_VERSION", "0.29.2");
 file::rename(".template/Cargo.toml", "Cargo.toml");
 file::rename(".template/pyproject.toml", "pyproject.toml");
 file::delete(".template");
diff --git a/examples/maturin-starter/.template/pre-script.rhai b/examples/maturin-starter/.template/pre-script.rhai
@@ -1,4 +1,4 @@
-variable::set("PYO3_VERSION", "0.29.1");
+variable::set("PYO3_VERSION", "0.29.2");
 file::rename(".template/Cargo.toml", "Cargo.toml");
 file::rename(".template/pyproject.toml", "pyproject.toml");
 file::delete(".template");
diff --git a/examples/plugin/.template/pre-script.rhai b/examples/plugin/.template/pre-script.rhai
@@ -1,4 +1,4 @@
-variable::set("PYO3_VERSION", "0.29.1");
+variable::set("PYO3_VERSION", "0.29.2");
 file::rename(".template/Cargo.toml", "Cargo.toml");
 file::rename(".template/plugin_api/Cargo.toml", "plugin_api/Cargo.toml");
 file::delete(".template");
diff --git a/examples/setuptools-rust-starter/.template/pre-script.rhai b/examples/setuptools-rust-starter/.template/pre-script.rhai
@@ -1,4 +1,4 @@
-variable::set("PYO3_VERSION", "0.29.1");
+variable::set("PYO3_VERSION", "0.29.2");
 file::rename(".template/Cargo.toml", "Cargo.toml");
 file::rename(".template/setup.cfg", "setup.cfg");
 file::delete(".template");
diff --git a/examples/word-count/.template/pre-script.rhai b/examples/word-count/.template/pre-script.rhai
@@ -1,4 +1,4 @@
-variable::set("PYO3_VERSION", "0.29.1");
+variable::set("PYO3_VERSION", "0.29.2");
 file::rename(".template/Cargo.toml", "Cargo.toml");
 file::rename(".template/pyproject.toml", "pyproject.toml");
 file::delete(".template");
diff --git a/guide/src/building-and-distribution.md b/guide/src/building-and-distribution.md
@@ -28,8 +28,8 @@ An example output of doing this is shown below:
 
 ```console
 $ PYO3_PRINT_CONFIG=1 cargo build
-   Compiling pyo3-ffi v0.29.1 (/Users/goldbaum/Documents/pyo3/pyo3-ffi)
-error: failed to run custom build command for `pyo3-ffi v0.29.1 (/Users/goldbaum/Documents/pyo3/pyo3-ffi)`
+   Compiling pyo3-ffi v0.29.2 (/Users/goldbaum/Documents/pyo3/pyo3-ffi)
+error: failed to run custom build command for `pyo3-ffi v0.29.2 (/Users/goldbaum/Documents/pyo3/pyo3-ffi)`
 
 Caused by:
   process didn't exit successfully: `/Users/goldbaum/Documents/pyo3/target/debug/build/pyo3-ffi-71f0882ba738a1f0/build-script-build` (exit status: 101)
diff --git a/newsfragments/6185.fixed.md b/newsfragments/6185.fixed.md
diff --git a/newsfragments/6185.packaging.md b/newsfragments/6185.packaging.md
diff --git a/newsfragments/6276.fixed.md b/newsfragments/6276.fixed.md
diff --git a/newsfragments/6283.fixed.md b/newsfragments/6283.fixed.md
diff --git a/newsfragments/6284.fixed.md b/newsfragments/6284.fixed.md
diff --git a/newsfragments/6294.fixed.md b/newsfragments/6294.fixed.md
diff --git a/newsfragments/6296.fixed.md b/newsfragments/6296.fixed.md
diff --git a/newsfragments/6297.fixed.md b/newsfragments/6297.fixed.md
diff --git a/pyo3-build-config/Cargo.toml b/pyo3-build-config/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pyo3-build-config"
-version = "0.29.1"
+version = "0.29.2"
 description = "Build configuration for the PyO3 ecosystem"
 authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
 keywords = ["pyo3", "python", "cpython", "ffi"]
diff --git a/pyo3-ffi/Cargo.toml b/pyo3-ffi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pyo3-ffi"
-version = "0.29.1"
+version = "0.29.2"
 description = "Python-API bindings for the PyO3 ecosystem"
 authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
 keywords = ["pyo3", "python", "cpython", "ffi"]
@@ -45,7 +45,7 @@ generate-import-lib = ["pyo3-build-config/generate-import-lib"]
 paste = "1"
 
 [build-dependencies]
-pyo3-build-config = { path = "../pyo3-build-config", version = "=0.29.1" }
+pyo3-build-config = { path = "../pyo3-build-config", version = "=0.29.2" }
 
 [lints]
 workspace = true
diff --git a/pyo3-ffi/README.md b/pyo3-ffi/README.md
@@ -41,12 +41,12 @@ name = "string_sum"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3-ffi = "0.29.1"
+pyo3-ffi = "0.29.2"
 
 [build-dependencies]
 # This is only necessary if you need to configure your build based on
 # the Python version or the compile-time configuration for the interpreter.
-pyo3_build_config = "0.29.1"
+pyo3_build_config = "0.29.2"
 ```
 
 If you need to use conditional compilation based on Python version or how
diff --git a/pyo3-introspection/Cargo.toml b/pyo3-introspection/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pyo3-introspection"
-version = "0.29.1"
+version = "0.29.2"
 description = "Introspect dynamic libraries built with PyO3 to get metadata about the exported Python types"
 authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
 homepage = "https://github.com/pyo3/pyo3"
diff --git a/pyo3-macros-backend/Cargo.toml b/pyo3-macros-backend/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pyo3-macros-backend"
-version = "0.29.1"
+version = "0.29.2"
 description = "Code generation for PyO3 package"
 authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
 keywords = ["pyo3", "python", "cpython", "ffi"]
diff --git a/pyo3-macros/Cargo.toml b/pyo3-macros/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pyo3-macros"
-version = "0.29.1"
+version = "0.29.2"
 description = "Proc macros for PyO3 package"
 authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
 keywords = ["pyo3", "python", "cpython", "ffi"]
@@ -23,7 +23,7 @@ experimental-inspect = ["pyo3-macros-backend/experimental-inspect"]
 proc-macro2 = { version = "1.0.60", default-features = false }
 quote = "1"
 syn = { version = "2", features = ["full", "extra-traits"] }
-pyo3-macros-backend = { path = "../pyo3-macros-backend", version = "=0.29.1" }
+pyo3-macros-backend = { path = "../pyo3-macros-backend", version = "=0.29.2" }
 
 [lints]
 workspace = true
diff --git a/pyproject.toml b/pyproject.toml
@@ -14,7 +14,7 @@ dynamic = ["version"]
 
 [tool.towncrier]
 filename = "CHANGELOG.md"
-version = "0.29.1"
+version = "0.29.2"
 start_string = "<!-- towncrier release notes start -->\n"
 template = ".towncrier.template.md"
 title_format = "## [{version}] - {project_date}"
diff --git a/tests/ui/base/Cargo.toml b/tests/ui/base/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-pyo3 = { version = "0.29.1", default-features = false, path = "../../../" }
+pyo3 = { version = "0.29.2", default-features = false, path = "../../../" }
 
 [features]
 macros = ["pyo3/macros"]
diff --git a/tests/ui/reject_generics.stderr b/tests/ui/reject_generics.stderr
@@ -1,10 +1,10 @@
-error: #[pyclass] cannot have generic parameters. For an explanation, see https://pyo3.rs/v0.29.1/class.html#no-generic-parameters
+error: #[pyclass] cannot have generic parameters. For an explanation, see https://pyo3.rs/v0.29.2/class.html#no-generic-parameters
  --> tests/ui/reject_generics.rs:4:25
   |
 4 | struct ClassWithGenerics<A> {
   |                         ^
 
-error: #[pyclass] cannot have lifetime parameters. For an explanation, see https://pyo3.rs/v0.29.1/class.html#no-lifetime-parameters
+error: #[pyclass] cannot have lifetime parameters. For an explanation, see https://pyo3.rs/v0.29.2/class.html#no-lifetime-parameters
   --> tests/ui/reject_generics.rs:10:27
    |
 10 | struct ClassWithLifetimes<'a> {
