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docs: prepare for 2.13.0 #5187

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90 changes: 90 additions & 0 deletions docs/changelog.rst
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,96 @@ IN DEVELOPMENT

Changes will be summarized here periodically.

Version 2.13.0 (June 25, 2024)
------------------------------

New Features:

* Support free-threaded CPython (3.13t). Add ``py::mod_gil_not_used()`` tag to
indicate if a module supports running with the GIL disabled.
`#5148 <https://github.com/pybind/pybind11/pull/5148>`_

* Support for Python 3.6 was removed. (Official end-of-life: 2021-12-23).
`#5177 <https://github.com/pybind/pybind11/pull/5177>`_

* ``py::list`` gained a ``.clear()`` method.
`#5153 <https://github.com/pybind/pybind11/pull/5153>`_


.. feat(types)

* Support for ``type[T]`` was added to pybind11/typing.h.
`#5166 <https://github.com/pybind/pybind11/pull/5166>`_

* ``Union`` and ``Optional`` were added to ``pybind11/typing.h``.
`#5165 <https://github.com/pybind/pybind11/pull/5165>`_

.. feat(cmake)

* In CMake, if ``PYBIND11_USE_CROSSCOMPILING`` is enabled, then
``CMAKE_CROSSCOMPILING`` will be respected and will keep pybind11 from
accessing the interpreter during configuration. Several CMake variables will
be required in this case, but can be deduced from the environment variable
``SETUPTOOLS_EXT_SUFFIX``. The default (currently ``OFF``) may be changed in
the future.
`#5083 <https://github.com/pybind/pybind11/pull/5083>`_


Bug fixes:

* A refcount bug (leading to heap-use-after-free) involving trampoline
functions with ``PyObject *`` return type was fixed.
`#5156 <https://github.com/pybind/pybind11/pull/5156>`_

* Return ``py::ssize_t`` from ``.ref_count()`` instead of ``int``.
`#5139 <https://github.com/pybind/pybind11/pull/5139>`_

* Run CI on Python 3.13.
`#5127 <https://github.com/pybind/pybind11/pull/5127>`_


.. fix(cmake)

* Fix mistake affecting old cmake and old boost.
`#5149 <https://github.com/pybind/pybind11/pull/5149>`_


Documentation:

* Build docs updated to feature scikit-build-core and meson-python, and updated
setuptools instructions.
`#5168 <https://github.com/pybind/pybind11/pull/5168>`_


Tests:

* Avoid immortal objects in tests.
`#5150 <https://github.com/pybind/pybind11/pull/5150>`_


CI:

* Compile against Python 3.13t in CI.

* Use ``macos-13`` (Intel) for CI jobs for now (will drop Python 3.7 soon).
`#5109 <https://github.com/pybind/pybind11/pull/5109>`_


Other:

* Some cleanup in preparation for 3.13 support.
`#5137 <https://github.com/pybind/pybind11/pull/5137>`_

* Avoid a warning by ensuring an iterator end check is included in release mode.
`#5129 <https://github.com/pybind/pybind11/pull/5129>`_

* Bump max cmake to 3.29.
`#5075 <https://github.com/pybind/pybind11/pull/5075>`_

* Update docs and noxfile.
`#5071 <https://github.com/pybind/pybind11/pull/5071>`_


Version 2.12.0 (March 27, 2024)
-------------------------------

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1 change: 1 addition & 0 deletions setup.cfg
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ classifiers =
Programming Language :: Python :: 3.10
Programming Language :: Python :: 3.11
Programming Language :: Python :: 3.12
Programming Language :: Python :: 3.13
License :: OSI Approved :: BSD License
Programming Language :: Python :: Implementation :: PyPy
Programming Language :: Python :: Implementation :: CPython
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2 changes: 2 additions & 0 deletions tools/make_changelog.py
Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,8 @@
missing = []
cats_descr = {
"feat": "New Features",
"feat(types)": "",
"feat(cmake)": "",
"fix": "Bug fixes",
"fix(types)": "",
"fix(cmake)": "",
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