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gh-128307: Update what's new in 3.13 and 3.14 with create_task changes of asyncio (#134304)

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Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
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Guido van Rossum 2025-05-20 04:41:22 -04:00 • committed by GitHub
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16
Doc/whatsnew/3.13.rst
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@ -730,6 +730,22 @@ asyncio
never awaited).
(Contributed by Arthur Tacca and Jason Zhang in :gh:`115957`.)
* The function and methods named ``create_task`` have received a new
``**kwargs`` argument that is passed through to the task constructor.
This change was accidentally added in 3.13.3,
and broke the API contract for custom task factories.
Several third-party task factories implemented workarounds for this.
In 3.13.4 and later releases the old factory contract is honored
once again (until 3.14).
To keep the workarounds working, the extra ``**kwargs`` argument still
allows passing additional keyword arguments to :class:`~asyncio.Task`
and to custom task factories.
This affects the following function and methods:
:meth:`asyncio.create_task`,
:meth:`asyncio.loop.create_task`,
:meth:`asyncio.TaskGroup.create_task`.
(Contributed by Thomas Grainger in :gh:`128307`.)
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------

18
Doc/whatsnew/3.14.rst
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@ -1064,6 +1064,24 @@ ast
(Contributed by Semyon Moroz in :gh:`133367`.)
asyncio
-------
* The function and methods named :func:`!create_task` now take an arbitrary
list of keyword arguments. All keyword arguments are passed to the
:class:`~asyncio.Task` constructor or the custom task factory.
(See :meth:`~asyncio.loop.set_task_factory` for details.)
The ``name`` and ``context`` keyword arguments are no longer special;
the name should now be set using the ``name`` keyword argument of the factory,
and ``context`` may be ``None``.
This affects the following function and methods:
:meth:`asyncio.create_task`,
:meth:`asyncio.loop.create_task`,
:meth:`asyncio.TaskGroup.create_task`.
(Contributed by Thomas Grainger in :gh:`128307`.)
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