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.. bpo: 32381 | ||
.. date: 2020-12-04-17-17-44 | ||
.. nonce: NY5t2S | ||
.. release date: 2020-12-21 | ||
.. section: Core and Builtins | ||
Fix encoding name when running a ``.pyc`` file on Windows: | ||
:c:func:`PyRun_SimpleFileExFlags()` now uses the correct encoding to decode | ||
the filename. | ||
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.. | ||
.. bpo: 42536 | ||
.. date: 2020-12-02-20-23-31 | ||
.. nonce: Kx3ZOu | ||
.. section: Core and Builtins | ||
Several built-in and standard library types now ensure that their internal | ||
result tuples are always tracked by the :term:`garbage collector <garbage | ||
collection>`: | ||
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- :meth:`collections.OrderedDict.items() <collections.OrderedDict>` | ||
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- :meth:`dict.items` | ||
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- :func:`enumerate` | ||
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- :func:`functools.reduce` | ||
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- :func:`itertools.combinations` | ||
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- :func:`itertools.combinations_with_replacement` | ||
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- :func:`itertools.permutations` | ||
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- :func:`itertools.product` | ||
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- :func:`itertools.zip_longest` | ||
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- :func:`zip` | ||
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Previously, they could have become untracked by a prior garbage collection. | ||
Patch by Brandt Bucher. | ||
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.. | ||
.. bpo: 42630 | ||
.. date: 2020-12-15-17-51-27 | ||
.. nonce: jf4jBl | ||
.. section: Library | ||
:mod:`tkinter` functions and constructors which need a default root window | ||
raise now :exc:`RuntimeError` with descriptive message instead of obscure | ||
:exc:`AttributeError` or :exc:`NameError` if it is not created yet or cannot | ||
be created automatically. | ||
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.. | ||
.. bpo: 42644 | ||
.. date: 2020-12-15-10-00-04 | ||
.. nonce: XgLCNx | ||
.. section: Library | ||
`logging.disable` will now validate the types and value of its parameter. It | ||
also now accepts strings representing the levels (as does `loging.setLevel`) | ||
instead of only the numerical values. | ||
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.. | ||
.. bpo: 36541 | ||
.. date: 2020-12-14-08-23-57 | ||
.. nonce: qdEtZv | ||
.. section: Library | ||
Fixed lib2to3.pgen2 to be able to parse PEP-570 positional only argument | ||
syntax. | ||
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.. | ||
.. bpo: 42375 | ||
.. date: 2020-11-19-04-13-53 | ||
.. nonce: U8bp4s | ||
.. section: Library | ||
subprocess module update for DragonFlyBSD support. | ||
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.. | ||
.. bpo: 39825 | ||
.. date: 2020-10-20-08-28-26 | ||
.. nonce: n6KnG0 | ||
.. section: Library | ||
Windows: Change ``sysconfig.get_config_var('EXT_SUFFIX')`` to the expected | ||
full ``platform_tag.extension`` format. Previously it was hard-coded to | ||
``.pyd``, now it is compatible with ``distutils.sysconfig`` and will result | ||
in something like ``.cp38-win_amd64.pyd``. This brings windows into | ||
conformance with the other platforms. | ||
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.. | ||
.. bpo: 39101 | ||
.. date: 2020-10-11-21-43-03 | ||
.. nonce: -I49Pm | ||
.. section: Library | ||
Fixed tests using IsolatedAsyncioTestCase from hanging on BaseExceptions. | ||
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.. | ||
.. bpo: 41907 | ||
.. date: 2020-10-02-10-19-49 | ||
.. nonce: wiIEsz | ||
.. section: Library | ||
fix `format()` behavior for `IntFlag` | ||
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.. | ||
.. bpo: 41889 | ||
.. date: 2020-10-01-16-17-11 | ||
.. nonce: qLkNh8 | ||
.. section: Library | ||
Enum: fix regression involving inheriting a multiply-inherited enum | ||
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.. | ||
.. bpo: 41891 | ||
.. date: 2020-09-30-13-35-29 | ||
.. nonce: pNAeYI | ||
.. section: Library | ||
Ensure asyncio.wait_for waits for task completion | ||
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.. | ||
.. bpo: 40219 | ||
.. date: 2020-07-13-19-43-11 | ||
.. nonce: MUoJEP | ||
.. section: Library | ||
Lowered :class:`tkinter.ttk.LabeledScale` dummy widget to prevent hiding | ||
part of the content label. | ||
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.. | ||
.. bpo: 40084 | ||
.. date: 2020-03-29-21-32-00 | ||
.. nonce: MCYwcv | ||
.. section: Library | ||
Fix ``Enum.__dir__``: dir(Enum.member) now includes attributes as well as | ||
methods. | ||
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.. | ||
.. bpo: 17140 | ||
.. date: 2020-12-16-21-06-16 | ||
.. nonce: 1leSEg | ||
.. section: Documentation | ||
Add documentation for the :class:`multiprocessing.pool.ThreadPool` class. | ||
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.. | ||
.. bpo: 42604 | ||
.. date: 2020-12-20-02-35-28 | ||
.. nonce: gRd89w | ||
.. section: Build | ||
Now all platforms use a value for the "EXT_SUFFIX" build variable derived | ||
from SOABI (for instance in freeBSD, "EXT_SUFFIX" is now ".cpython-310d.so" | ||
instead of ".so"). Previosuly only Linux, Mac and VxWorks were using a value | ||
for "EXT_SUFFIX" that included "SOABI". | ||
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.. | ||
.. bpo: 42598 | ||
.. date: 2020-12-13-14-43-10 | ||
.. nonce: 7ipr5H | ||
.. section: Build | ||
Fix implicit function declarations in configure which could have resulted in | ||
incorrect configuration checks. Patch contributed by Joshua Root. | ||
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.. | ||
.. bpo: 42613 | ||
.. date: 2020-12-16-09-10-32 | ||
.. nonce: J-jnm5 | ||
.. section: Tools/Demos | ||
Fix ``freeze.py`` tool to use the prope config and library directories. | ||
Patch by Victor Stinner. |
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Misc/NEWS.d/next/Build/2020-12-20-02-35-28.bpo-42604.gRd89w.rst
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