Release 6.0.3

CHANGES

@@ -3,6 +3,10 @@ For a complete changelog, see:
 
 * https://github.com/yaml/pyyaml/commits/
 
+6.0.3 (2025-09-25)
+
+* https://github.com/yaml/pyyaml/pull/864 -- Support for Python 3.14 and free-threading (experimental)
+
 6.0.2 (2024-08-06)
 
 * https://github.com/yaml/pyyaml/pull/808 -- Support for Cython 3.x and Python 3.13

lib/yaml/__init__.py

@@ -8,7 +8,7 @@
 from .loader import *
 from .dumper import *
 
-__version__ = '6.0.2'
+__version__ = '6.0.3'
 try:
     from .cyaml import *
     __with_libyaml__ = True

packaging/build/libyaml.sh

@@ -2,6 +2,14 @@
 
 set -eux
 
+# build the requested version of libyaml locally
+echo "::group::fetch libyaml ${LIBYAML_REF}"
+git config --global advice.detachedHead false
+git clone --branch "$LIBYAML_REF" "$LIBYAML_REPO" libyaml
+pushd libyaml
+git reset --hard "$LIBYAML_REF"
+echo "::endgroup::"
+
 # ensure the prove testing tool is available
 echo "::group::ensure build/test prerequisites"
 if ! command -v prove; then
@@ -12,14 +20,14 @@ if ! command -v prove; then
     exit 1
   fi
 fi
-echo "::endgroup::"
 
-# build the requested version of libyaml locally
-echo "::group::fetch libyaml ${LIBYAML_REF}"
-git config --global advice.detachedHead false
-git clone --branch "$LIBYAML_REF" "$LIBYAML_REPO" libyaml
-pushd libyaml
-git reset --hard "$LIBYAML_REF"
+# hack to fix up locally musl1.2 libtool macros
+if grep -m 1 alpine /etc/os-release; then
+  if ! grep -E 'AC_CONFIG_MACRO_DIRS\(\[m4])' configure.ac; then
+    echo 'AC_CONFIG_MACRO_DIRS([m4])' >> configure.ac
+    ACLOCAL_PATH=/usr/local/share/libtool/ libtoolize
+  fi
+fi
 echo "::endgroup::"
 
 echo "::group::autoconf libyaml w/ static only"

pyproject.toml

@@ -1,7 +1,6 @@
 [build-system]
 requires = [
     "setuptools",  # FIXME: declare min/max setuptools versions?
-    "wheel",
     "Cython; python_version < '3.13'",
     "Cython>=3.0; python_version >= '3.13'"
 ]

setup.py

@@ -1,6 +1,6 @@
 
 NAME = 'PyYAML'
-VERSION = '6.0.2'
+VERSION = '6.0.3'
 DESCRIPTION = "YAML parser and emitter for Python"
 LONG_DESCRIPTION = """\
 YAML is a data serialization format designed for human readability
@@ -34,6 +34,7 @@
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
     "Topic :: Software Development :: Libraries :: Python Modules",

yaml/_yaml.pyx

@@ -1,3 +1,4 @@
+# cython: freethreading_compatible = True
 
 import yaml