add release notes for 0.27.2 (#5662)

Author: davidhewitt

CHANGELOG.md

@@ -10,6 +10,17 @@ To see unreleased changes, please see the [CHANGELOG on the main branch guide](h
 
 <!-- towncrier release notes start -->
 
+## [0.27.2] - 2025-11-30
+
+### Changed
+
+- Disable subclassing `PyDict` on GraalPy (unsupported for now, may crash at runtime). [#5653](https://github.com/PyO3/pyo3/pull/5653)
+
+### Fixed
+
+- Fix crash when compiling on Rust 1.92+ with both debug assertions and optimizations enabled. [#5638](https://github.com/PyO3/pyo3/pull/5638)
+- Fix FFI definition of `PyDictObject` on PyPy. [#5653](https://github.com/PyO3/pyo3/pull/5653)
+
 ## [0.27.1] - 2025-10-21
 
 ### Fixed

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "pyo3"
-version = "0.27.1"
+version = "0.27.2"
 description = "Bindings to Python interpreter"
 authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
 readme = "README.md"
@@ -29,10 +29,10 @@ 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 = "=0.27.1" }
+pyo3-ffi = { path = "pyo3-ffi", version = "=0.27.2" }
 
-# support crates for macros feature
-pyo3-macros = { path = "pyo3-macros", version = "=0.27.1", optional = true }
+# support crate for macros feature
+pyo3-macros = { path = "pyo3-macros", version = "=0.27.2", optional = true }
 
 # support crate for multiple-pymethods feature
 inventory = { version = "0.3.5", optional = true }
@@ -83,7 +83,7 @@ uuid = { version = "1.10.0", features = ["v4"] }
 parking_lot = { version = "0.12.3", features = ["arc_lock"] }
 
 [build-dependencies]
-pyo3-build-config = { path = "pyo3-build-config", version = "=0.27.1", features = ["resolve-config"] }
+pyo3-build-config = { path = "pyo3-build-config", version = "=0.27.2", features = ["resolve-config"] }
 
 [features]
 default = ["macros"]

README.md

@@ -71,7 +71,7 @@ name = "string_sum"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = "0.27.1"
+pyo3 = "0.27.2"
 ```
 
 **`src/lib.rs`**
@@ -137,8 +137,12 @@ Start a new project with `cargo new` and add  `pyo3` to the `Cargo.toml` like th
 
 ```toml
 [dependencies.pyo3]
+<<<<<<< HEAD
+version = "0.27.2"
+=======
 version = "0.27.1"
 # Enabling this cargo feature will cause PyO3 to start a Python interpreter on first call to `Python::attach`
+>>>>>>> main
 features = ["auto-initialize"]
 ```
 

examples/decorator/.template/pre-script.rhai

@@ -1,4 +1,4 @@
-variable::set("PYO3_VERSION", "0.27.1");
+variable::set("PYO3_VERSION", "0.27.2");
 file::rename(".template/Cargo.toml", "Cargo.toml");
 file::rename(".template/pyproject.toml", "pyproject.toml");
 file::delete(".template");

examples/maturin-starter/.template/pre-script.rhai

@@ -1,4 +1,4 @@
-variable::set("PYO3_VERSION", "0.27.1");
+variable::set("PYO3_VERSION", "0.27.2");
 file::rename(".template/Cargo.toml", "Cargo.toml");
 file::rename(".template/pyproject.toml", "pyproject.toml");
 file::delete(".template");

examples/plugin/.template/pre-script.rhai

@@ -1,4 +1,4 @@
-variable::set("PYO3_VERSION", "0.27.1");
+variable::set("PYO3_VERSION", "0.27.2");
 file::rename(".template/Cargo.toml", "Cargo.toml");
 file::rename(".template/plugin_api/Cargo.toml", "plugin_api/Cargo.toml");
 file::delete(".template");

examples/setuptools-rust-starter/.template/pre-script.rhai

@@ -1,4 +1,4 @@
-variable::set("PYO3_VERSION", "0.27.1");
+variable::set("PYO3_VERSION", "0.27.2");
 file::rename(".template/Cargo.toml", "Cargo.toml");
 file::rename(".template/setup.cfg", "setup.cfg");
 file::delete(".template");

examples/word-count/.template/pre-script.rhai

@@ -1,4 +1,4 @@
-variable::set("PYO3_VERSION", "0.27.1");
+variable::set("PYO3_VERSION", "0.27.2");
 file::rename(".template/Cargo.toml", "Cargo.toml");
 file::rename(".template/pyproject.toml", "pyproject.toml");
 file::delete(".template");