Misc/NEWS.d/3.10.6.rst - platform/external/python/cpython3 - Git at Google

 .. date: 2022-06-15-20-09-23
 .. gh-issue: 87389
 .. nonce: QVaC3f
 .. release date: 2022-08-01
 .. section: Security

 :mod:`http.server`: Fix an open redirection vulnerability in the HTTP server
 when an URI path starts with ``//``.  Vulnerability discovered, and initial
 fix proposed, by Hamza Avvan.

 ..

 .. date: 2022-05-19-08-53-07
 .. gh-issue: 92888
 .. nonce: TLtR9W
 .. section: Security

 Fix ``memoryview`` use after free when accessing the backing buffer in
 certain cases.

 ..

 .. date: 2022-07-28-08-33-31
 .. gh-issue: 95355
 .. nonce: yN4XVk
 .. section: Core and Builtins

 ``_PyPegen_Parser_New`` now properly detects token memory allocation errors.
 Patch by Honglin Zhu.

 ..

 .. date: 2022-07-19-09-41-55
 .. gh-issue: 94938
 .. nonce: xYBlM7
 .. section: Core and Builtins

 Fix error detection in some builtin functions when keyword argument name is
 an instance of a str subclass with overloaded ``__eq__`` and ``__hash__``.
 Previously it could cause SystemError or other undesired behavior.

 ..

 .. date: 2022-07-18-05-10-29
 .. gh-issue: 94949
 .. nonce: OsZ7_s
 .. section: Core and Builtins

 :func:`ast.parse` will no longer parse parenthesized context managers when
 passed ``feature_version`` less than ``(3, 9)``. Patch by Shantanu Jain.

 ..

 .. date: 2022-07-18-04-48-34
 .. gh-issue: 94947
 .. nonce: df9gUw
 .. section: Core and Builtins

 :func:`ast.parse` will no longer parse assignment expressions when passed
 ``feature_version`` less than ``(3, 8)``. Patch by Shantanu Jain.

 ..

 .. date: 2022-07-16-08-14-17
 .. gh-issue: 94869
 .. nonce: eRwMsX
 .. section: Core and Builtins

 Fix the column offsets for some expressions in multi-line f-strings
 :mod:`ast` nodes. Patch by Pablo Galindo.

 ..

 .. date: 2022-07-15-16-15-04
 .. gh-issue: 91153
 .. nonce: HiBmtt
 .. section: Core and Builtins

 Fix an issue where a :class:`bytearray` item assignment could crash if it's
 resized by the new value's :meth:`__index__` method.

 ..

 .. date: 2022-06-29-15-45-04
 .. gh-issue: 94329
 .. nonce: olUQyk
 .. section: Core and Builtins

 Compile and run code with unpacking of extremely large sequences (1000s of
 elements). Such code failed to compile. It now compiles and runs correctly.

 ..

 .. date: 2022-06-28-14-20-36
 .. gh-issue: 94360
 .. nonce: DiEnen
 .. section: Core and Builtins

 Fixed a tokenizer crash when reading encoded files with syntax errors from
 ``stdin`` with non utf-8 encoded text. Patch by Pablo Galindo

 ..

 .. date: 2022-06-26-14-37-03
 .. gh-issue: 94192
 .. nonce: ab7tn7
 .. section: Core and Builtins

 Fix error for dictionary literals with invalid expression as value.

 ..

 .. date: 2022-06-21-05-07-00
 .. gh-issue: 93964
 .. nonce: Cg1LE7
 .. section: Core and Builtins

 Strengthened compiler overflow checks to prevent crashes when compiling very
 large source files.

 ..

 .. date: 2022-06-10-12-03-17
 .. gh-issue: 93671
 .. nonce: idkQqG
 .. section: Core and Builtins

 Fix some exponential backtrace case happening with deeply nested sequence
 patterns in match statements. Patch by Pablo Galindo

 ..

 .. date: 2022-05-20-09-25-34
 .. gh-issue: 93021
 .. nonce: k3Aji2
 .. section: Core and Builtins

 Fix the :attr:`__text_signature__` for :meth:`__get__` methods implemented
 in C. Patch by Jelle Zijlstra.

 ..

 .. date: 2022-05-18-18-34-45
 .. gh-issue: 92930
 .. nonce: kpYPOb
 .. section: Core and Builtins

 Fixed a crash in ``_pickle.c`` from mutating collections during
 ``__reduce__`` or ``persistent_id``.

 ..

 .. date: 2022-05-18-08-32-33
 .. gh-issue: 92914
 .. nonce: tJUeTD
 .. section: Core and Builtins

 Always round the allocated size for lists up to the nearest even number.

 ..

 .. date: 2022-05-17-20-41-43
 .. gh-issue: 92858
 .. nonce: eIXJTn
 .. section: Core and Builtins

 Improve error message for some suites with syntax error before ':'

 ..

 .. date: 2022-07-27-19-43-07
 .. gh-issue: 95339
 .. nonce: NuVQ68
 .. section: Library

 Update bundled pip to 22.2.1.

 ..

 .. date: 2022-07-27-11-35-45
 .. gh-issue: 95045
 .. nonce: iysT-Q
 .. section: Library

 Fix GC crash when deallocating ``_lsprof.Profiler`` by untracking it before
 calling any callbacks. Patch by Kumar Aditya.

 ..

 .. date: 2022-07-24-12-59-02
 .. gh-issue: 95087
 .. nonce: VvqXkN
 .. section: Library

 Fix IndexError in parsing invalid date in the :mod:`email` module.

 ..

 .. date: 2022-07-24-12-00-06
 .. gh-issue: 95199
 .. nonce: -5A64k
 .. section: Library

 Upgrade bundled setuptools to 63.2.0.

 ..

 .. date: 2022-07-24-09-15-35
 .. gh-issue: 95194
 .. nonce: ERVmqG
 .. section: Library

 Upgrade bundled pip to 22.2.

 ..

 .. date: 2022-07-23-10-50-05
 .. gh-issue: 93899
 .. nonce: VT34A5
 .. section: Library

 Fix check for existence of :data:`os.EFD_CLOEXEC`, :data:`os.EFD_NONBLOCK`
 and :data:`os.EFD_SEMAPHORE` flags on older kernel versions where these
 flags are not present. Patch by Kumar Aditya.

 ..

 .. date: 2022-07-23-10-42-05
 .. gh-issue: 95166
 .. nonce: xw6p3C
 .. section: Library

 Fix :meth:`concurrent.futures.Executor.map` to cancel the currently waiting
 on future on an error - e.g. TimeoutError or KeyboardInterrupt.

 ..

 .. date: 2022-07-22-17-19-57
 .. gh-issue: 93157
 .. nonce: RXByAk
 .. section: Library

 Fix :mod:`fileinput` module didn't support ``errors`` option when
 ``inplace`` is true.

 ..

 .. date: 2022-07-14-00-43-52
 .. gh-issue: 94821
 .. nonce: e17ghU
 .. section: Library

 Fix binding of unix socket to empty address on Linux to use an available
 address from the abstract namespace, instead of "\0".

 ..

 .. date: 2022-07-11-10-41-48
 .. gh-issue: 94736
 .. nonce: EbsgeK
 .. section: Library

 Fix crash when deallocating an instance of a subclass of
 ``_multiprocessing.SemLock``. Patch by Kumar Aditya.

 ..

 .. date: 2022-07-07-15-46-55
 .. gh-issue: 94637
 .. nonce: IYEiUM
 .. section: Library

 :meth:`SSLContext.set_default_verify_paths` now releases the GIL around
 ``SSL_CTX_set_default_verify_paths`` call. The function call performs I/O
 and CPU intensive work.

 ..

 .. date: 2022-07-02-19-46-30
 .. gh-issue: 94510
 .. nonce: xOatDC
 .. section: Library

 Re-entrant calls to :func:`sys.setprofile` and :func:`sys.settrace` now
 raise :exc:`RuntimeError`. Patch by Pablo Galindo.

 ..

 .. date: 2022-06-29-09-48-37
 .. gh-issue: 92336
 .. nonce: otA6c6
 .. section: Library

 Fix bug where :meth:`linecache.getline` fails on bad files with
 :exc:`UnicodeDecodeError` or :exc:`SyntaxError`. It now returns an empty
 string as per the documentation.

 ..

 .. date: 2022-06-26-10-59-15
 .. gh-issue: 89988
 .. nonce: K8rnmt
 .. section: Library

 Fix memory leak in :class:`pickle.Pickler` when looking up
 :attr:`dispatch_table`. Patch by Kumar Aditya.

 ..

 .. date: 2022-06-25-16-27-02
 .. gh-issue: 94254
 .. nonce: beP16v
 .. section: Library

 Fixed types of :mod:`struct` module to be immutable. Patch by Kumar Aditya.

 ..

 .. date: 2022-06-25-13-33-18
 .. gh-issue: 94245
 .. nonce: -zQY1a
 .. section: Library

 Fix pickling and copying of ``typing.Tuple[()]``.

 ..

 .. date: 2022-06-24-19-23-59
 .. gh-issue: 94207
 .. nonce: VhS1eS
 .. section: Library

 Made :class:`_struct.Struct` GC-tracked in order to fix a reference leak in
 the :mod:`_struct` module.

 ..

 .. date: 2022-06-22-11-16-11
 .. gh-issue: 94101
 .. nonce: V9vDG8
 .. section: Library

 Manual instantiation of :class:`ssl.SSLSession` objects is no longer allowed
 as it lead to misconfigured instances that crashed the interpreter when
 attributes where accessed on them.

 ..

 .. date: 2022-06-21-11-40-31
 .. gh-issue: 84753
 .. nonce: FW1pxO
 .. section: Library

 :func:`inspect.iscoroutinefunction`, :func:`inspect.isgeneratorfunction`,
 and :func:`inspect.isasyncgenfunction` now properly return ``True`` for
 duck-typed function-like objects like instances of
 :class:`unittest.mock.AsyncMock`.

 This makes :func:`inspect.iscoroutinefunction` consistent with the behavior
 of :func:`asyncio.iscoroutinefunction`.  Patch by Mehdi ABAAKOUK.

 ..

 .. date: 2022-06-15-21-28-16
 .. gh-issue: 83499
 .. nonce: u3DQJ-
 .. section: Library

 Fix double closing of file description in :mod:`tempfile`.

 ..

 .. date: 2022-06-11-13-32-17
 .. gh-issue: 79512
 .. nonce: A1KTDr
 .. section: Library

 Fixed names and ``__module__`` value of :mod:`weakref` classes
 :class:`~weakref.ReferenceType`, :class:`~weakref.ProxyType`,
 :class:`~weakref.CallableProxyType`. It makes them pickleable.

 ..

 .. date: 2022-06-08-20-11-02
 .. gh-issue: 90494
 .. nonce: LIZT85
 .. section: Library

 :func:`copy.copy` and :func:`copy.deepcopy` now always raise a TypeError if
 ``__reduce__()`` returns a tuple with length 6 instead of silently ignore
 the 6th item or produce incorrect result.

 ..

 .. date: 2022-06-07-14-53-46
 .. gh-issue: 90549
 .. nonce: T4FMKY
 .. section: Library

 Fix a multiprocessing bug where a global named resource (such as a
 semaphore) could leak when a child process is spawned (as opposed to
 forked).

 ..

 .. date: 2022-06-06-12-58-27
 .. gh-issue: 79579
 .. nonce: e8rB-M
 .. section: Library

 :mod:`sqlite3` now correctly detects DML queries with leading comments.
 Patch by Erlend E. Aasland.

 ..

 .. date: 2022-06-05-22-22-42
 .. gh-issue: 93421
 .. nonce: 43UO_8
 .. section: Library

 Update :data:`sqlite3.Cursor.rowcount` when a DML statement has run to
 completion. This fixes the row count for SQL queries like ``UPDATE ...
 RETURNING``. Patch by Erlend E. Aasland.

 ..

 .. date: 2022-06-02-08-40-58
 .. gh-issue: 91810
 .. nonce: Gtk44w
 .. section: Library

 Suppress writing an XML declaration in open files in ``ElementTree.write()``
 with ``encoding='unicode'`` and ``xml_declaration=None``.

 ..

 .. date: 2022-05-31-14-58-40
 .. gh-issue: 93353
 .. nonce: 9Hvm6o
 .. section: Library

 Fix the :func:`importlib.resources.as_file` context manager to remove the
 temporary file if destroyed late during Python finalization: keep a local
 reference to the :func:`os.remove` function. Patch by Victor Stinner.

 ..

 .. date: 2022-05-30-21-42-50
 .. gh-issue: 83658
 .. nonce: 01Ntx0
 .. section: Library

 Make :class:`multiprocessing.Pool` raise an exception if
 ``maxtasksperchild`` is not ``None`` or a positive int.

 ..

 .. date: 2022-05-24-11-19-04
 .. gh-issue: 74696
 .. nonce: -cnf-A
 .. section: Library

 :func:`shutil.make_archive` no longer temporarily changes the current
 working directory during creation of standard ``.zip`` or tar archives.

 ..

 .. date: 2022-04-15-17-38-55
 .. gh-issue: 91577
 .. nonce: Ah7cLL
 .. section: Library

 Move imports in :class:`~multiprocessing.SharedMemory` methods to module
 level so that they can be executed late in python finalization.

 ..

 .. bpo: 47231
 .. date: 2022-04-08-22-12-11
 .. nonce: lvyglt
 .. section: Library

 Fixed an issue with inconsistent trailing slashes in tarfile longname
 directories.

 ..

 .. bpo: 46755
 .. date: 2022-02-15-12-40-48
 .. nonce: zePJfx
 .. section: Library

 In :class:`QueueHandler`, clear ``stack_info`` from :class:`LogRecord` to
 prevent stack trace from being written twice.

 ..

 .. bpo: 46053
 .. date: 2022-02-06-12-59-32
 .. nonce: sHFo3S
 .. section: Library

 Fix OSS audio support on NetBSD.

 ..

 .. bpo: 46197
 .. date: 2022-01-03-15-07-06
 .. nonce: Z0djv6
 .. section: Library

 Fix :mod:`ensurepip` environment isolation for subprocess running ``pip``.

 ..

 .. bpo: 45924
 .. date: 2021-12-27-15-32-15
 .. nonce: 0ZpHX2
 .. section: Library

 Fix :mod:`asyncio` incorrect traceback when future's exception is raised
 multiple times. Patch by Kumar Aditya.

 ..

 .. bpo: 34828
 .. date: 2018-09-28-22-18-03
 .. nonce: 5Zyi_S
 .. section: Library

 :meth:`sqlite3.Connection.iterdump` now handles databases that use
 ``AUTOINCREMENT`` in one or more tables.

 ..

 .. date: 2022-07-07-08-42-05
 .. gh-issue: 94321
 .. nonce: pmCIPb
 .. section: Documentation

 Document the :pep:`246` style protocol type
 :class:`sqlite3.PrepareProtocol`.

 ..

 .. date: 2022-06-19-18-18-22
 .. gh-issue: 86128
 .. nonce: 39DDTD
 .. section: Documentation

 Document a limitation in ThreadPoolExecutor where its exit handler is
 executed before any handlers in atexit.

 ..

 .. date: 2022-06-16-10-10-59
 .. gh-issue: 61162
 .. nonce: 1ypkG8
 .. section: Documentation

 Clarify :mod:`sqlite3` behavior when
 :ref:`sqlite3-connection-context-manager`.

 ..

 .. date: 2022-06-15-12-12-49
 .. gh-issue: 87260
 .. nonce: epyI7D
 .. section: Documentation

 Align :mod:`sqlite3` argument specs with the actual implementation.

 ..

 .. date: 2022-05-29-21-22-54
 .. gh-issue: 86986
 .. nonce: lFXw8j
 .. section: Documentation

 The minimum Sphinx version required to build the documentation is now 3.2.

 ..

 .. date: 2022-05-26-14-51-25
 .. gh-issue: 88831
 .. nonce: 5Cccr5
 .. section: Documentation

 Augmented documentation of asyncio.create_task(). Clarified the need to keep
 strong references to tasks and added a code snippet detailing how to do
 this.

 ..

 .. bpo: 47161
 .. date: 2022-03-30-17-56-01
 .. nonce: gesHfS
 .. section: Documentation

 Document that :class:`pathlib.PurePath` does not collapse initial double
 slashes because they denote UNC paths.

 ..

 .. date: 2022-07-26-15-22-19
 .. gh-issue: 95280
 .. nonce: h8HvbP
 .. section: Tests

 Fix problem with ``test_ssl`` ``test_get_ciphers`` on systems that require
 perfect forward secrecy (PFS) ciphers.

 ..

 .. date: 2022-07-24-20-19-05
 .. gh-issue: 95212
 .. nonce: fHiU4e
 .. section: Tests

 Make multiprocessing test case ``test_shared_memory_recreate``
 parallel-safe.

 ..

 .. date: 2022-07-05-17-53-13
 .. gh-issue: 91330
 .. nonce: Qys5IL
 .. section: Tests

 Added more tests for :mod:`dataclasses` to cover behavior with data
 descriptor-based fields.

 ..

 .. date: 2022-06-27-21-27-20
 .. gh-issue: 94208
 .. nonce: VR6HX-
 .. section: Tests

 ``test_ssl`` is now checking for supported TLS version and protocols in more
 tests.

 ..

 .. date: 2022-06-17-15-20-09
 .. gh-issue: 93951
 .. nonce: CW1Vv4
 .. section: Tests

 In test_bdb.StateTestCase.test_skip, avoid including auxiliary importers.

 ..

 .. date: 2022-06-17-13-55-11
 .. gh-issue: 93957
 .. nonce: X4ovYV
 .. section: Tests

 Provide nicer error reporting from subprocesses in
 test_venv.EnsurePipTest.test_with_pip.

 ..

 .. date: 2022-06-03-16-26-04
 .. gh-issue: 57539
 .. nonce: HxWgYO
 .. section: Tests

 Increase calendar test coverage for
 :meth:`calendar.LocaleTextCalendar.formatweekday`.

 ..

 .. date: 2022-05-25-23-00-35
 .. gh-issue: 92886
 .. nonce: Y-vrWj
 .. section: Tests

 Fixing tests that fail when running with optimizations (``-O``) in
 ``test_zipimport.py``

 ..

 .. bpo: 47016
 .. date: 2022-03-14-23-28-17
 .. nonce: K-t2QX
 .. section: Tests

 Create a GitHub Actions workflow for verifying bundled pip and setuptools.
 Patch by Illia Volochii and Adam Turner.

 ..

 .. date: 2022-07-14-02-45-44
 .. gh-issue: 94841
 .. nonce: lLRTdf
 .. section: Build

 Fix the possible performance regression of :c:func:`PyObject_Free` compiled
 with MSVC version 1932.

 ..

 .. bpo: 45816
 .. date: 2021-11-16-14-44-06
 .. nonce: nbdmVK
 .. section: Build

 Python now supports building with Visual Studio 2022 (MSVC v143, VS Version
 17.0). Patch by Jeremiah Vivian.

 ..

 .. date: 2022-07-16-16-18-32
 .. gh-issue: 90844
 .. nonce: vwITT3
 .. section: Windows

 Allow virtual environments to correctly launch when they have spaces in the
 path.

 ..

 .. date: 2022-05-16-11-45-06
 .. gh-issue: 92841
 .. nonce: NQx107
 .. section: Windows

 :mod:`asyncio` no longer throws ``RuntimeError: Event loop is closed`` on
 interpreter exit after asynchronous socket activity. Patch by Oleg Iarygin.

 ..

 .. bpo: 42658
 .. date: 2022-03-20-15-47-35
 .. nonce: 16eXtb
 .. section: Windows

 Support native Windows case-insensitive path comparisons by using
 ``LCMapStringEx`` instead of :func:`str.lower` in :func:`ntpath.normcase`.
 Add ``LCMapStringEx`` to the :mod:`_winapi` module.

 ..

 .. date: 2022-07-31-22-15-14
 .. gh-issue: 95511
 .. nonce: WX6PmB
 .. section: IDLE

 Fix the Shell context menu copy-with-prompts bug of copying an extra line
 when one selects whole lines.

 ..

 .. date: 2022-07-30-15-10-39
 .. gh-issue: 95471
 .. nonce: z3scVG
 .. section: IDLE

 In the Edit menu, move ``Select All`` and add a new separator.

 ..

 .. date: 2022-07-29-11-08-52
 .. gh-issue: 95411
 .. nonce: dazlqH
 .. section: IDLE

 Enable using IDLE's module browser with .pyw files.

 ..

 .. date: 2022-07-28-18-56-57
 .. gh-issue: 89610
 .. nonce: hcosiM
 .. section: IDLE

 Add .pyi as a recognized extension for IDLE on macOS.    This allows opening
 stub files by double clicking on them in the Finder.

 ..

 .. date: 2022-07-04-01-37-42
 .. gh-issue: 94538
 .. nonce: 1rgy1Y
 .. section: Tools/Demos

 Fix Argument Clinic output to custom file destinations. Patch by Erlend E.
 Aasland.

 ..

 .. date: 2022-06-29-22-47-11
 .. gh-issue: 94430
 .. nonce: hdov8L
 .. section: Tools/Demos

 Allow parameters named ``module`` and ``self`` with custom C names in
 Argument Clinic. Patch by Erlend E. Aasland

 ..

 .. date: 2022-07-17-18-21-40
 .. gh-issue: 94930
 .. nonce: gPFGDL
 .. section: C API

 Fix ``SystemError`` raised when :c:func:`PyArg_ParseTupleAndKeywords` is
 used with ``#`` in ``(...)`` but without ``PY_SSIZE_T_CLEAN`` defined.

 ..

 .. date: 2022-07-16-14-57-23
 .. gh-issue: 94864
 .. nonce: Pb41ab
 .. section: C API

 Fix ``PyArg_Parse*`` with deprecated format units "u" and "Z". It returned 1
 (success) when warnings are turned into exceptions.
	.. date: 2022-06-15-20-09-23
	.. gh-issue: 87389
	.. nonce: QVaC3f
	.. release date: 2022-08-01
	.. section: Security

	:mod:`http.server`: Fix an open redirection vulnerability in the HTTP server
	when an URI path starts with ``//``. Vulnerability discovered, and initial
	fix proposed, by Hamza Avvan.

	..

	.. date: 2022-05-19-08-53-07
	.. gh-issue: 92888
	.. nonce: TLtR9W
	.. section: Security

	Fix ``memoryview`` use after free when accessing the backing buffer in
	certain cases.

	..

	.. date: 2022-07-28-08-33-31
	.. gh-issue: 95355
	.. nonce: yN4XVk
	.. section: Core and Builtins

	``_PyPegen_Parser_New`` now properly detects token memory allocation errors.
	Patch by Honglin Zhu.

	..

	.. date: 2022-07-19-09-41-55
	.. gh-issue: 94938
	.. nonce: xYBlM7
	.. section: Core and Builtins

	Fix error detection in some builtin functions when keyword argument name is
	an instance of a str subclass with overloaded ``__eq__`` and ``__hash__``.
	Previously it could cause SystemError or other undesired behavior.

	..

	.. date: 2022-07-18-05-10-29
	.. gh-issue: 94949
	.. nonce: OsZ7_s
	.. section: Core and Builtins

	:func:`ast.parse` will no longer parse parenthesized context managers when
	passed ``feature_version`` less than ``(3, 9)``. Patch by Shantanu Jain.

	..

	.. date: 2022-07-18-04-48-34
	.. gh-issue: 94947
	.. nonce: df9gUw
	.. section: Core and Builtins

	:func:`ast.parse` will no longer parse assignment expressions when passed
	``feature_version`` less than ``(3, 8)``. Patch by Shantanu Jain.

	..

	.. date: 2022-07-16-08-14-17
	.. gh-issue: 94869
	.. nonce: eRwMsX
	.. section: Core and Builtins

	Fix the column offsets for some expressions in multi-line f-strings
	:mod:`ast` nodes. Patch by Pablo Galindo.

	..

	.. date: 2022-07-15-16-15-04
	.. gh-issue: 91153
	.. nonce: HiBmtt
	.. section: Core and Builtins

	Fix an issue where a :class:`bytearray` item assignment could crash if it's
	resized by the new value's :meth:`__index__` method.

	..

	.. date: 2022-06-29-15-45-04
	.. gh-issue: 94329
	.. nonce: olUQyk
	.. section: Core and Builtins

	Compile and run code with unpacking of extremely large sequences (1000s of
	elements). Such code failed to compile. It now compiles and runs correctly.

	..

	.. date: 2022-06-28-14-20-36
	.. gh-issue: 94360
	.. nonce: DiEnen
	.. section: Core and Builtins

	Fixed a tokenizer crash when reading encoded files with syntax errors from
	``stdin`` with non utf-8 encoded text. Patch by Pablo Galindo

	..

	.. date: 2022-06-26-14-37-03
	.. gh-issue: 94192
	.. nonce: ab7tn7
	.. section: Core and Builtins

	Fix error for dictionary literals with invalid expression as value.

	..

	.. date: 2022-06-21-05-07-00
	.. gh-issue: 93964
	.. nonce: Cg1LE7
	.. section: Core and Builtins

	Strengthened compiler overflow checks to prevent crashes when compiling very
	large source files.

	..

	.. date: 2022-06-10-12-03-17
	.. gh-issue: 93671
	.. nonce: idkQqG
	.. section: Core and Builtins

	Fix some exponential backtrace case happening with deeply nested sequence
	patterns in match statements. Patch by Pablo Galindo

	..

	.. date: 2022-05-20-09-25-34
	.. gh-issue: 93021
	.. nonce: k3Aji2
	.. section: Core and Builtins

	Fix the :attr:`__text_signature__` for :meth:`__get__` methods implemented
	in C. Patch by Jelle Zijlstra.

	..

	.. date: 2022-05-18-18-34-45
	.. gh-issue: 92930
	.. nonce: kpYPOb
	.. section: Core and Builtins

	Fixed a crash in ``_pickle.c`` from mutating collections during
	``__reduce__`` or ``persistent_id``.

	..

	.. date: 2022-05-18-08-32-33
	.. gh-issue: 92914
	.. nonce: tJUeTD
	.. section: Core and Builtins

	Always round the allocated size for lists up to the nearest even number.

	..

	.. date: 2022-05-17-20-41-43
	.. gh-issue: 92858
	.. nonce: eIXJTn
	.. section: Core and Builtins

	Improve error message for some suites with syntax error before ':'

	..

	.. date: 2022-07-27-19-43-07
	.. gh-issue: 95339
	.. nonce: NuVQ68
	.. section: Library

	Update bundled pip to 22.2.1.

	..

	.. date: 2022-07-27-11-35-45
	.. gh-issue: 95045
	.. nonce: iysT-Q
	.. section: Library

	Fix GC crash when deallocating ``_lsprof.Profiler`` by untracking it before
	calling any callbacks. Patch by Kumar Aditya.

	..

	.. date: 2022-07-24-12-59-02
	.. gh-issue: 95087
	.. nonce: VvqXkN
	.. section: Library

	Fix IndexError in parsing invalid date in the :mod:`email` module.

	..

	.. date: 2022-07-24-12-00-06
	.. gh-issue: 95199
	.. nonce: -5A64k
	.. section: Library

	Upgrade bundled setuptools to 63.2.0.

	..

	.. date: 2022-07-24-09-15-35
	.. gh-issue: 95194
	.. nonce: ERVmqG
	.. section: Library

	Upgrade bundled pip to 22.2.

	..

	.. date: 2022-07-23-10-50-05
	.. gh-issue: 93899
	.. nonce: VT34A5
	.. section: Library

	Fix check for existence of :data:`os.EFD_CLOEXEC`, :data:`os.EFD_NONBLOCK`
	and :data:`os.EFD_SEMAPHORE` flags on older kernel versions where these
	flags are not present. Patch by Kumar Aditya.

	..

	.. date: 2022-07-23-10-42-05
	.. gh-issue: 95166
	.. nonce: xw6p3C
	.. section: Library

	Fix :meth:`concurrent.futures.Executor.map` to cancel the currently waiting
	on future on an error - e.g. TimeoutError or KeyboardInterrupt.

	..

	.. date: 2022-07-22-17-19-57
	.. gh-issue: 93157
	.. nonce: RXByAk
	.. section: Library

	Fix :mod:`fileinput` module didn't support ``errors`` option when
	``inplace`` is true.

	..

	.. date: 2022-07-14-00-43-52
	.. gh-issue: 94821
	.. nonce: e17ghU
	.. section: Library

	Fix binding of unix socket to empty address on Linux to use an available
	address from the abstract namespace, instead of "\0".

	..

	.. date: 2022-07-11-10-41-48
	.. gh-issue: 94736
	.. nonce: EbsgeK
	.. section: Library

	Fix crash when deallocating an instance of a subclass of
	``_multiprocessing.SemLock``. Patch by Kumar Aditya.

	..

	.. date: 2022-07-07-15-46-55
	.. gh-issue: 94637
	.. nonce: IYEiUM
	.. section: Library

	:meth:`SSLContext.set_default_verify_paths` now releases the GIL around
	``SSL_CTX_set_default_verify_paths`` call. The function call performs I/O
	and CPU intensive work.

	..

	.. date: 2022-07-02-19-46-30
	.. gh-issue: 94510
	.. nonce: xOatDC
	.. section: Library

	Re-entrant calls to :func:`sys.setprofile` and :func:`sys.settrace` now
	raise :exc:`RuntimeError`. Patch by Pablo Galindo.

	..

	.. date: 2022-06-29-09-48-37
	.. gh-issue: 92336
	.. nonce: otA6c6
	.. section: Library

	Fix bug where :meth:`linecache.getline` fails on bad files with
	:exc:`UnicodeDecodeError` or :exc:`SyntaxError`. It now returns an empty
	string as per the documentation.

	..

	.. date: 2022-06-26-10-59-15
	.. gh-issue: 89988
	.. nonce: K8rnmt
	.. section: Library

	Fix memory leak in :class:`pickle.Pickler` when looking up
	:attr:`dispatch_table`. Patch by Kumar Aditya.

	..

	.. date: 2022-06-25-16-27-02
	.. gh-issue: 94254
	.. nonce: beP16v
	.. section: Library

	Fixed types of :mod:`struct` module to be immutable. Patch by Kumar Aditya.

	..

	.. date: 2022-06-25-13-33-18
	.. gh-issue: 94245
	.. nonce: -zQY1a
	.. section: Library

	Fix pickling and copying of ``typing.Tuple[()]``.

	..

	.. date: 2022-06-24-19-23-59
	.. gh-issue: 94207
	.. nonce: VhS1eS
	.. section: Library

	Made :class:`_struct.Struct` GC-tracked in order to fix a reference leak in
	the :mod:`_struct` module.

	..

	.. date: 2022-06-22-11-16-11
	.. gh-issue: 94101
	.. nonce: V9vDG8
	.. section: Library

	Manual instantiation of :class:`ssl.SSLSession` objects is no longer allowed
	as it lead to misconfigured instances that crashed the interpreter when
	attributes where accessed on them.

	..

	.. date: 2022-06-21-11-40-31
	.. gh-issue: 84753
	.. nonce: FW1pxO
	.. section: Library

	:func:`inspect.iscoroutinefunction`, :func:`inspect.isgeneratorfunction`,
	and :func:`inspect.isasyncgenfunction` now properly return ``True`` for
	duck-typed function-like objects like instances of
	:class:`unittest.mock.AsyncMock`.

	This makes :func:`inspect.iscoroutinefunction` consistent with the behavior
	of :func:`asyncio.iscoroutinefunction`. Patch by Mehdi ABAAKOUK.

	..

	.. date: 2022-06-15-21-28-16
	.. gh-issue: 83499
	.. nonce: u3DQJ-
	.. section: Library

	Fix double closing of file description in :mod:`tempfile`.

	..

	.. date: 2022-06-11-13-32-17
	.. gh-issue: 79512
	.. nonce: A1KTDr
	.. section: Library

	Fixed names and ``__module__`` value of :mod:`weakref` classes
	:class:`~weakref.ReferenceType`, :class:`~weakref.ProxyType`,
	:class:`~weakref.CallableProxyType`. It makes them pickleable.

	..

	.. date: 2022-06-08-20-11-02
	.. gh-issue: 90494
	.. nonce: LIZT85
	.. section: Library

	:func:`copy.copy` and :func:`copy.deepcopy` now always raise a TypeError if
	``__reduce__()`` returns a tuple with length 6 instead of silently ignore
	the 6th item or produce incorrect result.

	..

	.. date: 2022-06-07-14-53-46
	.. gh-issue: 90549
	.. nonce: T4FMKY
	.. section: Library

	Fix a multiprocessing bug where a global named resource (such as a
	semaphore) could leak when a child process is spawned (as opposed to
	forked).

	..

	.. date: 2022-06-06-12-58-27
	.. gh-issue: 79579
	.. nonce: e8rB-M
	.. section: Library

	:mod:`sqlite3` now correctly detects DML queries with leading comments.
	Patch by Erlend E. Aasland.

	..

	.. date: 2022-06-05-22-22-42
	.. gh-issue: 93421
	.. nonce: 43UO_8
	.. section: Library

	Update :data:`sqlite3.Cursor.rowcount` when a DML statement has run to
	completion. This fixes the row count for SQL queries like ``UPDATE ...
	RETURNING``. Patch by Erlend E. Aasland.

	..

	.. date: 2022-06-02-08-40-58
	.. gh-issue: 91810
	.. nonce: Gtk44w
	.. section: Library

	Suppress writing an XML declaration in open files in ``ElementTree.write()``
	with ``encoding='unicode'`` and ``xml_declaration=None``.

	..

	.. date: 2022-05-31-14-58-40
	.. gh-issue: 93353
	.. nonce: 9Hvm6o
	.. section: Library

	Fix the :func:`importlib.resources.as_file` context manager to remove the
	temporary file if destroyed late during Python finalization: keep a local
	reference to the :func:`os.remove` function. Patch by Victor Stinner.

	..

	.. date: 2022-05-30-21-42-50
	.. gh-issue: 83658
	.. nonce: 01Ntx0
	.. section: Library

	Make :class:`multiprocessing.Pool` raise an exception if
	``maxtasksperchild`` is not ``None`` or a positive int.

	..

	.. date: 2022-05-24-11-19-04
	.. gh-issue: 74696
	.. nonce: -cnf-A
	.. section: Library

	:func:`shutil.make_archive` no longer temporarily changes the current
	working directory during creation of standard ``.zip`` or tar archives.

	..

	.. date: 2022-04-15-17-38-55
	.. gh-issue: 91577
	.. nonce: Ah7cLL
	.. section: Library

	Move imports in :class:`~multiprocessing.SharedMemory` methods to module
	level so that they can be executed late in python finalization.

	..

	.. bpo: 47231
	.. date: 2022-04-08-22-12-11
	.. nonce: lvyglt
	.. section: Library

	Fixed an issue with inconsistent trailing slashes in tarfile longname
	directories.

	..

	.. bpo: 46755
	.. date: 2022-02-15-12-40-48
	.. nonce: zePJfx
	.. section: Library

	In :class:`QueueHandler`, clear ``stack_info`` from :class:`LogRecord` to
	prevent stack trace from being written twice.

	..

	.. bpo: 46053
	.. date: 2022-02-06-12-59-32
	.. nonce: sHFo3S
	.. section: Library

	Fix OSS audio support on NetBSD.

	..

	.. bpo: 46197
	.. date: 2022-01-03-15-07-06
	.. nonce: Z0djv6
	.. section: Library

	Fix :mod:`ensurepip` environment isolation for subprocess running ``pip``.

	..

	.. bpo: 45924
	.. date: 2021-12-27-15-32-15
	.. nonce: 0ZpHX2
	.. section: Library

	Fix :mod:`asyncio` incorrect traceback when future's exception is raised
	multiple times. Patch by Kumar Aditya.

	..

	.. bpo: 34828
	.. date: 2018-09-28-22-18-03
	.. nonce: 5Zyi_S
	.. section: Library

	:meth:`sqlite3.Connection.iterdump` now handles databases that use
	``AUTOINCREMENT`` in one or more tables.

	..

	.. date: 2022-07-07-08-42-05
	.. gh-issue: 94321
	.. nonce: pmCIPb
	.. section: Documentation

	Document the :pep:`246` style protocol type
	:class:`sqlite3.PrepareProtocol`.

	..

	.. date: 2022-06-19-18-18-22
	.. gh-issue: 86128
	.. nonce: 39DDTD
	.. section: Documentation

	Document a limitation in ThreadPoolExecutor where its exit handler is
	executed before any handlers in atexit.

	..

	.. date: 2022-06-16-10-10-59
	.. gh-issue: 61162
	.. nonce: 1ypkG8
	.. section: Documentation

	Clarify :mod:`sqlite3` behavior when
	:ref:`sqlite3-connection-context-manager`.

	..

	.. date: 2022-06-15-12-12-49
	.. gh-issue: 87260
	.. nonce: epyI7D
	.. section: Documentation

	Align :mod:`sqlite3` argument specs with the actual implementation.

	..

	.. date: 2022-05-29-21-22-54
	.. gh-issue: 86986
	.. nonce: lFXw8j
	.. section: Documentation

	The minimum Sphinx version required to build the documentation is now 3.2.

	..

	.. date: 2022-05-26-14-51-25
	.. gh-issue: 88831
	.. nonce: 5Cccr5
	.. section: Documentation

	Augmented documentation of asyncio.create_task(). Clarified the need to keep
	strong references to tasks and added a code snippet detailing how to do
	this.

	..

	.. bpo: 47161
	.. date: 2022-03-30-17-56-01
	.. nonce: gesHfS
	.. section: Documentation

	Document that :class:`pathlib.PurePath` does not collapse initial double
	slashes because they denote UNC paths.

	..

	.. date: 2022-07-26-15-22-19
	.. gh-issue: 95280
	.. nonce: h8HvbP
	.. section: Tests

	Fix problem with ``test_ssl`` ``test_get_ciphers`` on systems that require
	perfect forward secrecy (PFS) ciphers.

	..

	.. date: 2022-07-24-20-19-05
	.. gh-issue: 95212
	.. nonce: fHiU4e
	.. section: Tests

	Make multiprocessing test case ``test_shared_memory_recreate``
	parallel-safe.

	..

	.. date: 2022-07-05-17-53-13
	.. gh-issue: 91330
	.. nonce: Qys5IL
	.. section: Tests

	Added more tests for :mod:`dataclasses` to cover behavior with data
	descriptor-based fields.

	..

	.. date: 2022-06-27-21-27-20
	.. gh-issue: 94208
	.. nonce: VR6HX-
	.. section: Tests

	``test_ssl`` is now checking for supported TLS version and protocols in more
	tests.

	..

	.. date: 2022-06-17-15-20-09
	.. gh-issue: 93951
	.. nonce: CW1Vv4
	.. section: Tests

	In test_bdb.StateTestCase.test_skip, avoid including auxiliary importers.

	..

	.. date: 2022-06-17-13-55-11
	.. gh-issue: 93957
	.. nonce: X4ovYV
	.. section: Tests

	Provide nicer error reporting from subprocesses in
	test_venv.EnsurePipTest.test_with_pip.

	..

	.. date: 2022-06-03-16-26-04
	.. gh-issue: 57539
	.. nonce: HxWgYO
	.. section: Tests

	Increase calendar test coverage for
	:meth:`calendar.LocaleTextCalendar.formatweekday`.

	..

	.. date: 2022-05-25-23-00-35
	.. gh-issue: 92886
	.. nonce: Y-vrWj
	.. section: Tests

	Fixing tests that fail when running with optimizations (``-O``) in
	``test_zipimport.py``

	..

	.. bpo: 47016
	.. date: 2022-03-14-23-28-17
	.. nonce: K-t2QX
	.. section: Tests

	Create a GitHub Actions workflow for verifying bundled pip and setuptools.
	Patch by Illia Volochii and Adam Turner.

	..

	.. date: 2022-07-14-02-45-44
	.. gh-issue: 94841
	.. nonce: lLRTdf
	.. section: Build

	Fix the possible performance regression of :c:func:`PyObject_Free` compiled
	with MSVC version 1932.

	..

	.. bpo: 45816
	.. date: 2021-11-16-14-44-06
	.. nonce: nbdmVK
	.. section: Build

	Python now supports building with Visual Studio 2022 (MSVC v143, VS Version
	17.0). Patch by Jeremiah Vivian.

	..

	.. date: 2022-07-16-16-18-32
	.. gh-issue: 90844
	.. nonce: vwITT3
	.. section: Windows

	Allow virtual environments to correctly launch when they have spaces in the
	path.

	..

	.. date: 2022-05-16-11-45-06
	.. gh-issue: 92841
	.. nonce: NQx107
	.. section: Windows

	:mod:`asyncio` no longer throws ``RuntimeError: Event loop is closed`` on
	interpreter exit after asynchronous socket activity. Patch by Oleg Iarygin.

	..

	.. bpo: 42658
	.. date: 2022-03-20-15-47-35
	.. nonce: 16eXtb
	.. section: Windows

	Support native Windows case-insensitive path comparisons by using
	``LCMapStringEx`` instead of :func:`str.lower` in :func:`ntpath.normcase`.
	Add ``LCMapStringEx`` to the :mod:`_winapi` module.

	..

	.. date: 2022-07-31-22-15-14
	.. gh-issue: 95511
	.. nonce: WX6PmB
	.. section: IDLE

	Fix the Shell context menu copy-with-prompts bug of copying an extra line
	when one selects whole lines.

	..

	.. date: 2022-07-30-15-10-39
	.. gh-issue: 95471
	.. nonce: z3scVG
	.. section: IDLE

	In the Edit menu, move ``Select All`` and add a new separator.

	..

	.. date: 2022-07-29-11-08-52
	.. gh-issue: 95411
	.. nonce: dazlqH
	.. section: IDLE

	Enable using IDLE's module browser with .pyw files.

	..

	.. date: 2022-07-28-18-56-57
	.. gh-issue: 89610
	.. nonce: hcosiM
	.. section: IDLE

	Add .pyi as a recognized extension for IDLE on macOS. This allows opening
	stub files by double clicking on them in the Finder.

	..

	.. date: 2022-07-04-01-37-42
	.. gh-issue: 94538
	.. nonce: 1rgy1Y
	.. section: Tools/Demos

	Fix Argument Clinic output to custom file destinations. Patch by Erlend E.
	Aasland.

	..

	.. date: 2022-06-29-22-47-11
	.. gh-issue: 94430
	.. nonce: hdov8L
	.. section: Tools/Demos

	Allow parameters named ``module`` and ``self`` with custom C names in
	Argument Clinic. Patch by Erlend E. Aasland

	..

	.. date: 2022-07-17-18-21-40
	.. gh-issue: 94930
	.. nonce: gPFGDL
	.. section: C API

	Fix ``SystemError`` raised when :c:func:`PyArg_ParseTupleAndKeywords` is
	used with ``#`` in ``(...)`` but without ``PY_SSIZE_T_CLEAN`` defined.

	..

	.. date: 2022-07-16-14-57-23
	.. gh-issue: 94864
	.. nonce: Pb41ab
	.. section: C API

	Fix ``PyArg_Parse*`` with deprecated format units "u" and "Z". It returned 1
	(success) when warnings are turned into exceptions.