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encukou merged 2 commits into from
Apr 1, 2026
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gh-146907: Clarify ABI compatibility between debug and release builds #146925

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gh-146907: Clarify ABI compatibility between debug and release builds
konstin Mar 31, 2026
e01bf04
Update Python 3.8 release notes
konstin Apr 1, 2026
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6 changes: 4 additions & 2 deletions Doc/using/configure.rst
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Expand Up @@ -906,9 +906,11 @@ See also the :ref:`Python Development Mode <devmode>` and the
:option:`--with-trace-refs` configure option.

.. versionchanged:: 3.8
Release builds and debug builds are now ABI compatible: defining the
Release builds are now ABI compatible with debug builds: defining the
``Py_DEBUG`` macro no longer implies the ``Py_TRACE_REFS`` macro (see the
:option:`--with-trace-refs` option).
:option:`--with-trace-refs` option). However, debug builds still expose
more symbols than release builds and code built against a debug build is not
necessarily compatible with a release build.


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