.. bpo: 40527
.. date: 2020-05-06-14-52-35
.. nonce: gTNKuy
.. release date: 2020-05-13
.. section: Core and Builtins

Fix command line argument parsing: no longer write errors multiple times
into stderr.

..

.. bpo: 40417
.. date: 2020-05-01-19-04-52
.. nonce: Sti2lJ
.. section: Core and Builtins

Fix imp module deprecation warning when PyImport_ReloadModule is called.
Patch by Robert Rouhani.

..

.. bpo: 39562
.. date: 2020-05-01-14-58-16
.. nonce: KCsX8n
.. section: Core and Builtins

The constant values of future flags in the :mod:`__future__` module are
updated in order to prevent collision with compiler flags. Previously
``PyCF_ALLOW_TOP_LEVEL_AWAIT`` was clashing with ``CO_FUTURE_DIVISION``.

..

.. bpo: 40559
.. date: 2020-05-05-08-12-51
.. nonce: 112wwa
.. section: Library

Fix possible memory leak in the C implementation of :class:`asyncio.Task`.

..

.. bpo: 40355
.. date: 2020-05-02-14-24-48
.. nonce: xTujaB
.. section: Library

Improve error reporting in :func:`ast.literal_eval` in the presence of
malformed :class:`ast.Dict` nodes instead of silently ignoring any
non-conforming elements. Patch by Curtis Bucher.

..

.. bpo: 40459
.. date: 2020-05-02-04-29-31
.. nonce: fSAYVD
.. section: Library

:func:`platform.win32_ver` now produces correct *ptype* strings instead of
empty strings.

..

.. bpo: 40398
.. date: 2020-04-26-22-25-36
.. nonce: OdXnR3
.. section: Library

:func:`typing.get_args` now always returns an empty tuple for special
generic aliases.

..

.. bpo: 40561
.. date: 2020-05-08-08-39-40
.. nonce: ZMB_2i
.. section: Documentation

Provide docstrings for webbrowser open functions.

..

.. bpo: 39435
.. date: 2020-01-24-05-42-57
.. nonce: EFcdFU
.. section: Documentation

Fix an incorrect signature for :func:`pickle.loads` in the docs

..

.. bpo: 40458
.. date: 2020-05-01-20-57-57
.. nonce: Eb0ueI
.. section: Windows

Increase reserved stack space to prevent overflow crash on Windows.

..

.. bpo: 40412
.. date: 2020-05-01-17-28-04
.. nonce: dE0D8N
.. section: C API

Nullify inittab_copy during finalization, preventing future interpreter
initializations in an embedded situation from crashing. Patch by Gregory
Szorc.