Fix command line argument parsing: no longer write errors multiple times into stderr.
Fix imp module deprecation warning when PyImport_ReloadModule is called. Patch by Robert Rouhani.
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.
Fix possible memory leak in the C implementation of :class:`asyncio.Task`.
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.
:func:`platform.win32_ver` now produces correct ptype strings instead of empty strings.
:func:`typing.get_args` now always returns an empty tuple for special generic aliases.
Provide docstrings for webbrowser open functions.
Fix an incorrect signature for :func:`pickle.loads` in the docs
Increase reserved stack space to prevent overflow crash on Windows.
Nullify inittab_copy during finalization, preventing future interpreter initializations in an embedded situation from crashing. Patch by Gregory Szorc.