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Python 3.12.7
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‎Include/patchlevel.h

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/*--start constants--*/
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#define PY_MAJOR_VERSION 3
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#define PY_MINOR_VERSION 12
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#define PY_MICRO_VERSION 6
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#define PY_MICRO_VERSION 7
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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 "3.12.6+"
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#define PY_VERSION "3.12.7"
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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/3.12.7.rst

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.. date: 2024-09-10-19-23-00
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.. gh-issue: 123915
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.. nonce: yZMEDO
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.. release date: 2024-10-01
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.. section: Windows
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Ensure that ``Tools\msi\buildrelease.bat`` uses different directories for
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AMD64 and ARM64 builds.
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..
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.. date: 2024-04-24-22-50-33
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.. gh-issue: 117505
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.. nonce: gcTb_p
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.. section: Windows
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Fixes an issue with the Windows installer not running ensurepip in a fully
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isolated environment. This could cause unexpected interactions with the user
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site-packages.
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..
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.. date: 2024-09-25-12-39-34
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.. gh-issue: 124378
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.. nonce: Ywwgia
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.. section: Tests
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Updated ``test_ttk`` to pass with Tcl/Tk 8.6.15.
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..
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.. date: 2024-08-07-10-42-13
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.. gh-issue: 122792
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.. nonce: oiTMo9
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.. section: Security
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Changed IPv4-mapped ``ipaddress.IPv6Address`` to consistently use the mapped
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IPv4 address value for deciding properties. Properties which have their
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behavior fixed are ``is_multicast``, ``is_reserved``, ``is_link_local``,
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``is_global``, and ``is_unspecified``.
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..
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.. date: 2024-09-27-15-16-04
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.. gh-issue: 116850
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.. nonce: dBkR0-
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.. section: Library
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Fix :mod:`argparse` for namespaces with not directly writable dict (e.g.
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classes).
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..
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.. date: 2024-09-26-22-14-12
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.. gh-issue: 58573
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.. nonce: hozbm9
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.. section: Library
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Fix conflicts between abbreviated long options in the parent parser and
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subparsers in :mod:`argparse`.
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..
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.. date: 2024-09-26-09-18-09
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.. gh-issue: 61181
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.. nonce: dwjmch
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.. section: Library
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Fix support of :ref:`choices` with string value in :mod:`argparse`.
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Substrings of the specified string no longer considered valid values.
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..
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.. date: 2024-09-25-18-08-29
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.. gh-issue: 80259
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.. nonce: kO5Tw7
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.. section: Library
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Fix :mod:`argparse` support of positional arguments with ``nargs='?'``,
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``default=argparse.SUPPRESS`` and specified ``type``.
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..
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.. date: 2024-09-25-12-14-58
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.. gh-issue: 124498
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.. nonce: Ozxs55
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.. section: Library
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Fix :class:`typing.TypeAliasType` not to be generic, when ``type_params`` is
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an empty tuple.
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..
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.. date: 2024-09-24-12-34-48
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.. gh-issue: 124345
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.. nonce: s3vKql
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.. section: Library
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:mod:`argparse` vim supports abbreviated single-dash long options separated
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by ``=`` from its value.
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..
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.. date: 2024-09-23-17-33-47
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.. gh-issue: 104860
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.. nonce: O86OSc
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.. section: Library
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Fix disallowing abbreviation of single-dash long options in :mod:`argparse`
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with ``allow_abbrev=False``.
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..
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.. date: 2024-09-21-23-56-41
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.. gh-issue: 63143
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.. nonce: YKu-LQ
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.. section: Library
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Fix parsing mutually exclusive arguments in :mod:`argparse`. Arguments with
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the value identical to the default value (e.g. booleans, small integers,
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empty or 1-character strings) are no longer considered "not present".
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..
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.. date: 2024-09-21-22-32-21
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.. gh-issue: 72795
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.. nonce: naLmkX
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.. section: Library
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Positional arguments with :ref:`nargs` equal to ``'*'`` or
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:data:`!argparse.REMAINDER` are no longer required. This allows to use
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positional argument with ``nargs='*'`` and without ``default`` in mutually
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exclusive group and improves error message about required arguments.
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..
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.. date: 2024-09-21-19-02-37
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.. gh-issue: 59317
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.. nonce: OAhNZZ
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.. section: Library
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Fix parsing positional argument with :ref:`nargs` equal to ``'?'`` or
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``'*'`` if it is preceded by an option and another positional argument.
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..
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.. date: 2024-09-20-12-23-11
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.. gh-issue: 53780
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.. nonce: mrV1zi
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.. section: Library
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:mod:`argparse` now ignores the first ``"--"`` (double dash) between an
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option and command.
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..
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.. date: 2024-09-19-20-15-00
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.. gh-issue: 124217
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.. nonce: j0KlQB
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.. section: Library
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Add RFC 9637 reserved IPv6 block ``3fff::/20`` in :mod:`ipaddress` module.
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..
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.. date: 2024-09-19-11-47-39
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.. gh-issue: 124248
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.. nonce: g7rufd
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.. section: Library
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Fixed potential crash when using :mod:`struct` to process zero-width 'Pascal
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string' fields (``0p``).
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..
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.. date: 2024-09-19-10-36-18
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.. gh-issue: 81691
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.. nonce: Hyhp_U
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.. section: Library
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Fix handling of multiple ``"--"`` (double dashes) in :mod:`argparse`. Only
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the first one has now been removed, all subsequent ones are now taken
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literally.
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..
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.. date: 2024-09-19-03-46-59
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.. gh-issue: 87041
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.. nonce: 9Ox7Bv
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.. section: Library
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Fix a bug in :mod:`argparse` where lengthy subparser argument help is
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incorrectly indented.
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..
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.. date: 2024-09-17-18-06-42
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.. gh-issue: 124171
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.. nonce: PHCvRJ
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.. section: Library
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Add workaround for broken :c:func:`!fmod()` implementations on Windows, that
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loose zero sign (e.g. ``fmod(-10, 1)`` returns ``0.0``). Patch by Sergey B
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Kirpichev.
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..
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.. date: 2024-09-13-10-34-19
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.. gh-issue: 123934
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.. nonce: yMe7mL
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.. section: Library
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Fix :class:`unittest.mock.MagicMock` reseting magic methods return values
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after ``.reset_mock(return_value=True)`` was called.
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..
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.. date: 2024-09-11-13-33-19
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.. gh-issue: 123935
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.. nonce: fRZ_56
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.. section: Library
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Fix parent slots detection for dataclasses that inherit from classes with
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``__dictoffset__``.
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..
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.. date: 2024-09-10-11-26-14
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.. gh-issue: 123892
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.. nonce: 2gzIrz
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.. section: Library
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Add ``"_wmi"`` to :data:`sys.stdlib_module_names`. Patch by Victor Stinner.
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..
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.. date: 2024-08-23-15-49-10
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.. gh-issue: 116810
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.. nonce: QLBUU8
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.. section: Library
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Resolve a memory leak introduced in CPython 3.10's :mod:`ssl` when the
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:attr:`ssl.SSLSocket.session` property was accessed. Speeds up read and
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write access to said property by no longer unnecessarily cloning session
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objects via serialization.
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..
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.. date: 2024-08-15-09-45-34
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.. gh-issue: 121735
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.. nonce: _1q0qf
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.. section: Library
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When working with zip archives, importlib.resources now properly honors
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module-adjacent references (e.g. ``files(pkg.mod)`` and not just
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``files(pkg)``).
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..
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.. date: 2024-07-03-14-23-04
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.. gh-issue: 119004
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.. nonce: L5MoUu
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.. section: Library
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Fix a crash in :ref:`OrderedDict.__eq__ <collections_OrderedDict__eq__>`
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when operands are mutated during the check. Patch by Bénédikt Tran.
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..
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.. bpo: 44864
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.. date: 2021-08-24-19-37-46
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.. nonce: KzxaDh
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.. section: Library
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Do not translate user-provided strings in :class:`argparse.ArgumentParser`.
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..
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.. date: 2024-09-21-23-12-18
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.. gh-issue: 112938
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.. nonce: OeiDru
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.. section: IDLE
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Fix uninteruptable hang when Shell gets rapid continuous output.
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..
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.. date: 2024-09-25-12-05-45
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.. gh-issue: 116510
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.. nonce: dhn8w8
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.. section: Core and Builtins
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Fix a bug that can cause a crash when sub-interpreters use "basic"
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single-phase extension modules. Shared objects could refer to PyGC_Head
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nodes that had been freed as part of interpreter cleanup.
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..
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.. date: 2024-09-17-22-06-01
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.. gh-issue: 124188
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.. nonce: aFqNAB
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.. section: Core and Builtins
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Fix reading and decoding a line from the source file witn non-UTF-8 encoding
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for syntax errors raised in the compiler.
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..
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.. date: 2024-09-10-13-27-16
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.. gh-issue: 77894
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.. nonce: ZC-Olu
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.. section: Core and Builtins
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Fix possible crash in the garbage collector when it tries to break a
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reference loop containing a :class:`memoryview` object. Now a
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:class:`!memoryview` object can only be cleared if there are no buffers that
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refer it.
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..
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.. date: 2024-06-19-21-34-21
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.. gh-issue: 98442
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.. nonce: cqhjkN
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.. section: Core and Builtins
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Fix too wide source locations of the cleanup instructions of a with
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statement.
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..
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.. date: 2024-06-14-22-02-25
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.. gh-issue: 113993
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.. nonce: MiA0vX
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.. section: Core and Builtins
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Strings interned with :func:`sys.intern` are again garbage-collected when no
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longer used, as per the documentation. Strings interned with the C function
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:c:func:`PyUnicode_InternInPlace` are still immortal. Internals of the
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string interning mechanism have been changed. This may affect performance
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and identities of :class:`str` objects.
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..
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.. date: 2024-07-04-15-41-10
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.. gh-issue: 113993
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.. nonce: cLSiWV
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.. section: C API
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:c:func:`PyUnicode_InternInPlace` no longer prevents its argument from being
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garbage collected.
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Several functions that take ``char *`` are now documented as possibly
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preventing string objects from being garbage collected; refer to their
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documentation for details: :c:func:`PyUnicode_InternFromString`,
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:c:func:`PyDict_SetItemString`, :c:func:`PyObject_SetAttrString`,
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:c:func:`PyObject_DelAttrString`, :c:func:`PyUnicode_InternFromString`, and
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``PyModule_Add*`` convenience functions.
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..
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.. date: 2024-09-27-15-58-10
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.. gh-issue: 124487
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.. nonce: PAZTQf
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.. section: Build
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Windows builds now use Windows 8.1 as their API baseline (installation
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already required Windows 8.1).
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..
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.. date: 2024-09-11-16-06-42
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.. gh-issue: 123917
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.. nonce: JuZl0r
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.. section: Build
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Fix the check for the ``crypt()`` function in the configure script. Patch by
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Paul Smith and Victor Stinner.

‎Misc/NEWS.d/next/Build/2024-09-11-16-06-42.gh-issue-123917.JuZl0r.rst

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‎Misc/NEWS.d/next/Build/2024-09-27-15-58-10.gh-issue-124487.PAZTQf.rst

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