diff --git a/Doc/whatsnew/3.13.rst b/Doc/whatsnew/3.13.rst index 6f51d167b11984..c05725f838bcd0 100644 --- a/Doc/whatsnew/3.13.rst +++ b/Doc/whatsnew/3.13.rst @@ -2502,24 +2502,48 @@ Deprecated C APIs Build Changes ============= -* The :file:`configure` option :option:`--with-system-libmpdec` now defaults - to ``yes``. The bundled copy of ``libmpdecimal`` will be removed in Python - 3.15. +* ``arm64-apple-ios`` and ``arm64-apple-ios-simulator`` are both + now :pep:`11` tier 3 platforms. + (:ref:`PEP 730 ` written + and implementation contributed by Russell Keith-Magee in :gh:`114099`.) + +* ``wasm32-wasi`` is now a :pep:`11` tier 2 platform. + (Contributed by Brett Cannon in :gh:`115192`.) + +* ``wasm32-emscripten`` is no longer a :pep:`11` supported platform. + (Contributed by Brett Cannon in :gh:`115192`.) + +* Building CPython now requires a compiler with support for the C11 atomic + library, GCC built-in atomic functions, or MSVC interlocked intrinsics. * Autoconf 2.71 and aclocal 1.16.4 are now required to regenerate the :file:`configure` script. (Contributed by Christian Heimes in :gh:`89886`.) -* SQLite 3.15.2 or newer is required to build the :mod:`sqlite3` extension module. +* SQLite 3.15.2 or newer is required to build + the :mod:`sqlite3` extension module. (Contributed by Erlend Aasland in :gh:`105875`.) -* Python built with :file:`configure` :option:`--with-trace-refs` (tracing - references) is now ABI compatible with the Python release build and - :ref:`debug build `. +* CPython now bundles the `mimalloc library`_ by default. + It is licensed under the MIT license; + see :ref:`mimalloc license `. + The bundled mimalloc has custom changes, see :gh:`113141` for details. + (Contributed by Dino Viehland in :gh:`109914`.) + + .. _mimalloc library: https://github.com/microsoft/mimalloc/ + +* The :file:`configure` option :option:`--with-system-libmpdec` + now defaults to ``yes``. + The bundled copy of ``libmpdecimal`` will be removed in Python 3.15. + +* Python built with :file:`configure` :option:`--with-trace-refs` + (tracing references) is now ABI compatible with the Python release build + and :ref:`debug build `. (Contributed by Victor Stinner in :gh:`108634`.) -* Building CPython now requires a compiler with support for the C11 atomic - library, GCC built-in atomic functions, or MSVC interlocked intrinsics. +* On POSIX systems, the pkg-config (``.pc``) filenames now include the ABI + flags. For example, the free-threaded build generates ``python-3.13t.pc`` + and the debug build generates ``python-3.13d.pc``. * The ``errno``, ``fcntl``, ``grp``, ``md5``, ``pwd``, ``resource``, ``termios``, ``winsound``, @@ -2528,21 +2552,6 @@ Build Changes C extensions are now built with the :ref:`limited C API `. (Contributed by Victor Stinner in :gh:`85283`.) -* ``wasm32-wasi`` is now a :pep:`11` tier 2 platform. - (Contributed by Brett Cannon in :gh:`115192`.) - -* ``wasm32-emscripten`` is no longer a :pep:`11` supported platform. - (Contributed by Brett Cannon in :gh:`115192`.) - -* Python now bundles the `mimalloc library `__. - It is licensed under the MIT license; see :ref:`mimalloc license `. - The bundled mimalloc has custom changes, see :gh:`113141` for details. - (Contributed by Dino Viehland in :gh:`109914`.) - -* On POSIX systems, the pkg-config (``.pc``) filenames now include the ABI - flags. For example, the free-threaded build generates ``python-3.13t.pc`` - and the debug build generates ``python-3.13d.pc``. - Porting to Python 3.13 ====================== pFad - Phonifier reborn

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