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Python 3.11.0
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‎Include/patchlevel.h

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#define PY_MAJOR_VERSION 3
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#define PY_MINOR_VERSION 11
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#define PY_MICRO_VERSION 0
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#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_GAMMA
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#define PY_RELEASE_SERIAL 2
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#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_FINAL
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#define PY_RELEASE_SERIAL 0
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/* Version as a string */
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#define PY_VERSION "3.11.0rc2+"
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#define PY_VERSION "3.11.0"
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/*--end constants--*/
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/* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.

‎Lib/pydoc_data/topics.py

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‎Misc/NEWS.d/3.11.0.rst

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.. date: 2022-09-28-17-09-37
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.. gh-issue: 97616
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.. nonce: K1e3Xs
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.. release date: 2022-10-24
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.. section: Security
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Fix multiplying a list by an integer (``list *= int``): detect the integer
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overflow when the new allocated length is close to the maximum size. Issue
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reported by Jordan Limor. Patch by Victor Stinner.
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..
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.. date: 2022-09-07-10-42-00
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.. gh-issue: 97514
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.. nonce: Yggdsl
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.. section: Security
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On Linux the :mod:`multiprocessing` module returns to using filesystem
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backed unix domain sockets for communication with the *forkserver* process
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instead of the Linux abstract socket namespace. Only code that chooses to
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use the :ref:`"forkserver" start method <multiprocessing-start-methods>` is
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affected.
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Abstract sockets have no permissions and could allow any user on the system
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in the same `network namespace
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<https://man7.org/linux/man-pages/man7/network_namespaces.7.html>`_ (often
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the whole system) to inject code into the multiprocessing *forkserver*
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process. This was a potential privilege escalation. Filesystem based socket
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permissions restrict this to the *forkserver* process user as was the
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default in Python 3.8 and earlier.
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This prevents Linux `CVE-2022-42919
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<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42919>`_.
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..
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.. date: 2022-10-06-02-11-34
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.. gh-issue: 97002
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.. nonce: Zvsk71
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.. section: Core and Builtins
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Fix an issue where several frame objects could be backed by the same
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interpreter frame, possibly leading to corrupted memory and hard crashes of
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the interpreter.
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..
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.. date: 2022-10-03-13-35-48
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.. gh-issue: 97752
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.. nonce: 0xTjJY
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.. section: Core and Builtins
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Fix possible data corruption or crashes when accessing the ``f_back`` member
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of newly-created generator or coroutine frames.
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..
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.. date: 2022-09-21-16-06-37
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.. gh-issue: 96975
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.. nonce: BmE0XY
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.. section: Core and Builtins
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Fix a crash occurring when :c:func:`PyEval_GetFrame` is called while the
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topmost Python frame is in a partially-initialized state.
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..
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.. date: 2022-09-21-14-38-31
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.. gh-issue: 96848
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.. nonce: WuoLzU
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.. section: Core and Builtins
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Fix command line parsing: reject :option:`-X int_max_str_digits <-X>` option
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with no value (invalid) when the :envvar:`PYTHONINTMAXSTRDIGITS` environment
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variable is set to a valid limit. Patch by Victor Stinner.
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..
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.. date: 2022-09-18-08-47-40
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.. gh-issue: 96821
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.. nonce: Co2iOq
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.. section: Core and Builtins
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Fix undefined behaviour in ``_testcapimodule.c``.
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..
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.. date: 2022-09-16-19-02-40
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.. gh-issue: 95778
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.. nonce: cJmnst
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.. section: Core and Builtins
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When :exc:`ValueError` is raised if an integer is larger than the limit,
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mention the :func:`sys.set_int_max_str_digits` function in the error
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message. Patch by Victor Stinner.
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..
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.. date: 2022-09-05-19-20-44
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.. gh-issue: 96587
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.. nonce: bVxhX2
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.. section: Core and Builtins
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Correctly raise ``SyntaxError`` on exception groups (:pep:`654`) on python
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versions prior to 3.11
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..
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.. bpo: 42316
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.. date: 2020-11-15-02-08-43
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.. nonce: LqdkWK
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.. section: Core and Builtins
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Document some places where an assignment expression needs parentheses.
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..
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.. date: 2022-10-16-15-31-50
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.. gh-issue: 98331
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.. nonce: Y5kPOX
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.. section: Library
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Update the bundled copies of pip and setuptools to versions 22.3 and 65.5.0
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respectively.
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..
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.. date: 2022-10-06-23-42-00
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.. gh-issue: 90985
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.. nonce: s280JY
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.. section: Library
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Earlier in 3.11 we deprecated ``asyncio.Task.cancel("message")``. We
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realized we were too harsh, and have undeprecated it.
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..
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.. date: 2022-09-25-23-24-52
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.. gh-issue: 97545
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.. nonce: HZLSNt
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.. section: Library
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Make Semaphore run faster.
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..
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.. date: 2022-09-24-18-56-23
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.. gh-issue: 96865
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.. nonce: o9WUkW
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.. section: Library
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fix Flag to use boundary CONFORM
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This restores previous Flag behavior of allowing flags with non-sequential
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values to be combined; e.g.
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class Skip(Flag): TWO = 2 EIGHT = 8
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Skip.TWO | Skip.EIGHT -> <Skip.TWO|EIGHT: 10>
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..
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.. date: 2022-05-25-15-57-39
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.. gh-issue: 90155
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.. nonce: YMstB5
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.. section: Library
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Fix broken :class:`asyncio.Semaphore` when acquire is cancelled.
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..
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.. date: 2022-10-02-10-58-52
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.. gh-issue: 97741
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.. nonce: 39l023
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.. section: Documentation
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Fix ``!`` in c domain ref target syntax via a ``conf.py`` patch, so it works
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as intended to disable ref target resolution.
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..
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.. date: 2022-05-20-18-42-10
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.. gh-issue: 93031
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.. nonce: c2RdJe
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.. section: Documentation
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Update tutorial introduction output to use 3.10+ SyntaxError invalid range.
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..
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.. date: 2022-10-20-17-49-50
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.. gh-issue: 95027
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.. nonce: viRpJB
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.. section: Tests
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On Windows, when the Python test suite is run with the ``-jN`` option, the
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ANSI code page is now used as the encoding for the stdout temporary file,
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rather than using UTF-8 which can lead to decoding errors. Patch by Victor
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Stinner.
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..
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.. date: 2022-09-11-14-23-49
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.. gh-issue: 96729
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.. nonce: W4uBWL
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.. section: Build
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Ensure that Windows releases built with ``Tools\msi\buildrelease.bat`` are
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upgradable to and from official Python releases.
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..
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.. date: 2022-10-19-20-00-28
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.. gh-issue: 98360
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.. nonce: O2m6YG
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.. section: Windows
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Fixes :mod:`multiprocessing` spawning child processes on Windows from a
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virtual environment to ensure that child processes that also use
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:mod:`multiprocessing` to spawn more children will recognize that they are
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in a virtual environment.
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..
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.. date: 2022-10-19-19-35-37
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.. gh-issue: 98414
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.. nonce: FbHZuS
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.. section: Windows
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Fix :file:`py.exe` launcher handling of ``-V:<company>/`` option when
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default preferences have been set in environment variables or configuration
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files.
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..
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.. date: 2022-09-29-23-08-49
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.. gh-issue: 90989
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.. nonce: no89Q2
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.. section: Windows
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Clarify some text in the Windows installer.
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..
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.. date: 2022-10-05-15-26-58
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.. gh-issue: 97897
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.. nonce: Rf-C6u
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.. section: macOS
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The macOS 13 SDK includes support for the ``mkfifoat`` and ``mknodat``
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system calls. Using the ``dir_fd`` option with either :func:`os.mkfifo` or
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:func:`os.mknod` could result in a segfault if cpython is built with the
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macOS 13 SDK but run on an earlier version of macOS. Prevent this by adding
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runtime support for detection of these system calls ("weaklinking") as is
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done for other newer syscalls on macOS.

‎Misc/NEWS.d/next/Build/2022-09-11-14-23-49.gh-issue-96729.W4uBWL.rst

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‎Misc/NEWS.d/next/Core and Builtins/2020-11-15-02-08-43.bpo-42316.LqdkWK.rst

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‎Misc/NEWS.d/next/Documentation/2022-05-20-18-42-10.gh-issue-93031.c2RdJe.rst

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‎Misc/NEWS.d/next/Library/2022-05-25-15-57-39.gh-issue-90155.YMstB5.rst

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‎Misc/NEWS.d/next/Tests/2022-10-20-17-49-50.gh-issue-95027.viRpJB.rst

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‎Misc/NEWS.d/next/Windows/2022-09-29-23-08-49.gh-issue-90989.no89Q2.rst

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‎README.rst

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This is Python version 3.11.0 release candidate 2
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=================================================
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This is Python version 3.11.0
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=============================
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.. image:: https://github.com/python/cpython/workflows/Tests/badge.svg
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:alt: CPython build status on GitHub Actions

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