Merge tag 'v3.8.10' into 3.8

Python 3.8.10

47 files changed, 498 insertions, 125 deletions

diff --git a/Include/patchlevel.h b/Include/patchlevel.h
index e074b01..d23d5af 100644
--- a/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@ -18,12 +18,12 @@
 /*--start constants--*/
 #define PY_MAJOR_VERSION        3
 #define PY_MINOR_VERSION        8
-#define PY_MICRO_VERSION        9
+#define PY_MICRO_VERSION        10
 #define PY_RELEASE_LEVEL        PY_RELEASE_LEVEL_FINAL
 #define PY_RELEASE_SERIAL       0
 
 /* Version as a string */
-#define PY_VERSION              "3.8.9+"
+#define PY_VERSION              "3.8.10"
 /*--end constants--*/
 
 /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.
diff --git a/Lib/pydoc_data/topics.py b/Lib/pydoc_data/topics.py
index 2a16970..e3dc1c5 100644
--- a/Lib/pydoc_data/topics.py
+++ b/Lib/pydoc_data/topics.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Autogenerated by Sphinx on Fri Apr  2 12:30:35 2021
+# Autogenerated by Sphinx on Mon May  3 11:26:22 2021
 topics = {'assert': 'The "assert" statement\n'
            '**********************\n'
            '\n'
@@ -987,9 +987,9 @@ topics = {'assert': 'The "assert" statement\n'
                      '\n'
                      'For instance bindings, the precedence of descriptor '
                      'invocation depends\n'
-                     'on the which descriptor methods are defined.  A '
-                     'descriptor can define\n'
-                     'any combination of "__get__()", "__set__()" and '
+                     'on which descriptor methods are defined.  A descriptor '
+                     'can define any\n'
+                     'combination of "__get__()", "__set__()" and '
                      '"__delete__()".  If it\n'
                      'does not define "__get__()", then accessing the '
                      'attribute will return\n'
@@ -2746,7 +2746,7 @@ topics = {'assert': 'The "assert" statement\n'
              'Calls.\n'
              'A function call always assigns values to all parameters '
              'mentioned in\n'
-             'the parameter list, either from position arguments, from '
+             'the parameter list, either from positional arguments, from '
              'keyword\n'
              'arguments, or from default values.  If the form “"*identifier"” '
              'is\n'
@@ -2758,8 +2758,14 @@ topics = {'assert': 'The "assert" statement\n'
              'new\n'
              'empty mapping of the same type.  Parameters after “"*"” or\n'
              '“"*identifier"” are keyword-only parameters and may only be '
-             'passed\n'
-             'used keyword arguments.\n'
+             'passed by\n'
+             'keyword arguments.  Parameters before “"/"” are positional-only\n'
+             'parameters and may only be passed by positional arguments.\n'
+             '\n'
+             'Changed in version 3.8: The "/" function parameter syntax may be '
+             'used\n'
+             'to indicate positional-only parameters. See **PEP 570** for '
+             'details.\n'
              '\n'
              'Parameters may have an *annotation* of the form “": '
              'expression"”\n'
@@ -5201,7 +5207,7 @@ topics = {'assert': 'The "assert" statement\n'
                   'character that can be any character and defaults to a space '
                   'if\n'
                   'omitted. It is not possible to use a literal curly brace '
-                  '(“"{"” or\n'
+                  '(”"{"” or\n'
                   '“"}"”) as the *fill* character in a formatted string '
                   'literal or when\n'
                   'using the "str.format()" method.  However, it is possible '
@@ -5874,7 +5880,7 @@ topics = {'assert': 'The "assert" statement\n'
              'Calls.\n'
              'A function call always assigns values to all parameters '
              'mentioned in\n'
-             'the parameter list, either from position arguments, from '
+             'the parameter list, either from positional arguments, from '
              'keyword\n'
              'arguments, or from default values.  If the form “"*identifier"” '
              'is\n'
@@ -5886,8 +5892,14 @@ topics = {'assert': 'The "assert" statement\n'
              'new\n'
              'empty mapping of the same type.  Parameters after “"*"” or\n'
              '“"*identifier"” are keyword-only parameters and may only be '
-             'passed\n'
-             'used keyword arguments.\n'
+             'passed by\n'
+             'keyword arguments.  Parameters before “"/"” are positional-only\n'
+             'parameters and may only be passed by positional arguments.\n'
+             '\n'
+             'Changed in version 3.8: The "/" function parameter syntax may be '
+             'used\n'
+             'to indicate positional-only parameters. See **PEP 570** for '
+             'details.\n'
              '\n'
              'Parameters may have an *annotation* of the form “": '
              'expression"”\n'
@@ -6875,7 +6887,7 @@ topics = {'assert': 'The "assert" statement\n'
             '\n'
             'Note that numeric literals do not include a sign; a phrase like '
             '"-1"\n'
-            'is actually an expression composed of the unary operator ‘"-"‘ '
+            'is actually an expression composed of the unary operator ‘"-"’ '
             'and the\n'
             'literal "1".\n',
  'numeric-types': 'Emulating numeric types\n'
@@ -7473,12 +7485,18 @@ topics = {'assert': 'The "assert" statement\n'
           '\n'
           'The "from" clause is used for exception chaining: if given, the '
           'second\n'
-          '*expression* must be another exception class or instance, which '
-          'will\n'
-          'then be attached to the raised exception as the "__cause__" '
-          'attribute\n'
-          '(which is writable).  If the raised exception is not handled, both\n'
-          'exceptions will be printed:\n'
+          '*expression* must be another exception class or instance. If the\n'
+          'second expression is an exception instance, it will be attached to '
+          'the\n'
+          'raised exception as the "__cause__" attribute (which is writable). '
+          'If\n'
+          'the expression is an exception class, the class will be '
+          'instantiated\n'
+          'and the resulting exception instance will be attached to the '
+          'raised\n'
+          'exception as the "__cause__" attribute. If the raised exception is '
+          'not\n'
+          'handled, both exceptions will be printed:\n'
           '\n'
           '   >>> try:\n'
           '   ...     print(1 / 0)\n'
@@ -8820,10 +8838,10 @@ topics = {'assert': 'The "assert" statement\n'
                  '\n'
                  'For instance bindings, the precedence of descriptor '
                  'invocation depends\n'
-                 'on the which descriptor methods are defined.  A descriptor '
-                 'can define\n'
-                 'any combination of "__get__()", "__set__()" and '
-                 '"__delete__()".  If it\n'
+                 'on which descriptor methods are defined.  A descriptor can '
+                 'define any\n'
+                 'combination of "__get__()", "__set__()" and "__delete__()".  '
+                 'If it\n'
                  'does not define "__get__()", then accessing the attribute '
                  'will return\n'
                  'the descriptor object itself unless there is a value in the '
@@ -10049,7 +10067,7 @@ topics = {'assert': 'The "assert" statement\n'
                    '*start* and\n'
                    '   *end* are interpreted as in slice notation.\n'
                    '\n'
-                   'str.encode(encoding="utf-8", errors="strict")\n'
+                   "str.encode(encoding='utf-8', errors='strict')\n"
                    '\n'
                    '   Return an encoded version of the string as a bytes '
                    'object. Default\n'
@@ -10496,7 +10514,7 @@ topics = {'assert': 'The "assert" statement\n'
                    'followed by\n'
                    '   the string itself.\n'
                    '\n'
-                   'str.rsplit(sep=None, maxsplit=-1)\n'
+                   'str.rsplit(sep=None, maxsplit=- 1)\n'
                    '\n'
                    '   Return a list of the words in the string, using *sep* '
                    'as the\n'
@@ -10527,7 +10545,7 @@ topics = {'assert': 'The "assert" statement\n'
                    "      >>> 'mississippi'.rstrip('ipz')\n"
                    "      'mississ'\n"
                    '\n'
-                   'str.split(sep=None, maxsplit=-1)\n'
+                   'str.split(sep=None, maxsplit=- 1)\n'
                    '\n'
                    '   Return a list of the words in the string, using *sep* '
                    'as the\n'
@@ -11485,7 +11503,7 @@ topics = {'assert': 'The "assert" statement\n'
           '         points. All the code points in the range "U+0000 - '
           'U+10FFFF"\n'
           '         can be represented in a string.  Python doesn’t have a '
-          '"char"\n'
+          '*char*\n'
           '         type; instead, every code point in the string is '
           'represented\n'
           '         as a string object with length "1".  The built-in '
diff --git a/Misc/NEWS.d/3.8.10.rst b/Misc/NEWS.d/3.8.10.rst
new file mode 100644
index 0000000..5612f75
--- /dev/null
+++ b/Misc/NEWS.d/3.8.10.rst
@@ -0,0 +1,450 @@
+.. bpo: 43434
+.. date: 2021-05-02-17-50-23
+.. nonce: cy7xz6
+.. release date: 2021-05-03
+.. section: Security
+
+Creating a :class:`sqlite3.Connection` object now also produces a
+``sqlite3.connect`` :ref:`auditing event <auditing>`. Previously this event
+was only produced by :func:`sqlite3.connect` calls. Patch by Erlend E.
+Aasland.
+
+..
+
+.. bpo: 43472
+.. date: 2021-04-21-22-53-31
+.. nonce: gjLBTb
+.. section: Security
+
+Ensures interpreter-level audit hooks receive the
+``cpython.PyInterpreterState_New`` event when called through the
+``_xxsubinterpreters`` module.
+
+..
+
+.. bpo: 43075
+.. date: 2021-01-31-05-28-14
+.. nonce: DoAXqO
+.. section: Security
+
+Fix Regular Expression Denial of Service (ReDoS) vulnerability in
+:class:`urllib.request.AbstractBasicAuthHandler`.  The ReDoS-vulnerable
+regex has quadratic worst-case complexity and it allows cause a denial of
+service when identifying crafted invalid RFCs. This ReDoS issue is on the
+client side and needs remote attackers to control the HTTP server.
+
+..
+
+.. bpo: 43105
+.. date: 2021-03-31-20-35-11
+.. nonce: PBVmHm
+.. section: Core and Builtins
+
+Importlib now resolves relative paths when creating module spec objects from
+file locations.
+
+..
+
+.. bpo: 42924
+.. date: 2021-01-13-14-06-01
+.. nonce: _WS1Ok
+.. section: Core and Builtins
+
+Fix ``bytearray`` repetition incorrectly copying data from the start of the
+buffer, even if the data is offset within the buffer (e.g. after reassigning
+a slice at the start of the ``bytearray`` to a shorter byte string).
+
+..
+
+.. bpo: 43993
+.. date: 2021-04-30-19-23-45
+.. nonce: T7_yoq
+.. section: Library
+
+Update bundled pip to 21.1.1.
+
+..
+
+.. bpo: 43937
+.. date: 2021-04-25-13-34-13
+.. nonce: isx95l
+.. section: Library
+
+Fixed the :mod:`turtle` module working with non-default root window.
+
+..
+
+.. bpo: 43930
+.. date: 2021-04-24-14-23-07
+.. nonce: R7ah0m
+.. section: Library
+
+Update bundled pip to 21.1 and setuptools to 56.0.0
+
+..
+
+.. bpo: 43920
+.. date: 2021-04-23-11-54-38
+.. nonce: cJMQ2D
+.. section: Library
+
+OpenSSL 3.0.0: :meth:`~ssl.SSLContext.load_verify_locations` now returns a
+consistent error message when cadata contains no valid certificate.
+
+..
+
+.. bpo: 43607
+.. date: 2021-04-22-22-39-58
+.. nonce: 7IYDkG
+.. section: Library
+
+:mod:`urllib` can now convert Windows paths with ``\\?\`` prefixes into URL
+paths.
+
+..
+
+.. bpo: 43284
+.. date: 2021-04-21-14-50-57
+.. nonce: 2QZn2T
+.. section: Library
+
+platform.win32_ver derives the windows version from
+sys.getwindowsversion().platform_version which in turn derives the version
+from kernel32.dll (which can be of a different version than Windows itself).
+Therefore change the platform.win32_ver to determine the version using the
+platform module's _syscmd_ver private function to return an accurate
+version.
+
+..
+
+.. bpo: 42248
+.. date: 2021-04-11-21-10-57
+.. nonce: pedB1E
+.. section: Library
+
+[Enum] ensure exceptions raised in ``_missing__`` are released
+
+..
+
+.. bpo: 43799
+.. date: 2021-04-10-11-35-50
+.. nonce: 1iV4pX
+.. section: Library
+
+OpenSSL 3.0.0: define ``OPENSSL_API_COMPAT`` 1.1.1 to suppress deprecation
+warnings. Python requires OpenSSL 1.1.1 APIs.
+
+..
+
+.. bpo: 43794
+.. date: 2021-04-09-16-14-22
+.. nonce: -1XPDH
+.. section: Library
+
+Add :data:`ssl.OP_IGNORE_UNEXPECTED_EOF` constants (OpenSSL 3.0.0)
+
+..
+
+.. bpo: 43789
+.. date: 2021-04-09-14-08-03
+.. nonce: eaHlAm
+.. section: Library
+
+OpenSSL 3.0.0: Don't call the password callback function a second time when
+first call has signaled an error condition.
+
+..
+
+.. bpo: 43788
+.. date: 2021-04-09-12-08-01
+.. nonce: YsvInM
+.. section: Library
+
+The header files for :mod:`ssl` error codes are now OpenSSL
+version-specific. Exceptions will now show correct reason and library codes.
+The ``make_ssl_data.py`` script has been rewritten to use OpenSSL's text
+file with error codes.
+
+..
+
+.. bpo: 43655
+.. date: 2021-04-04-20-51-19
+.. nonce: LwGy8R
+.. section: Library
+
+:mod:`tkinter` dialog windows are now recognized as dialogs by window
+managers on macOS and X Window.
+
+..
+
+.. bpo: 43534
+.. date: 2021-03-18-15-46-08
+.. nonce: vPE9Us
+.. section: Library
+
+:func:`turtle.textinput` and :func:`turtle.numinput` create now a transient
+window working on behalf of the canvas window.
+
+..
+
+.. bpo: 43522
+.. date: 2021-03-16-22-37-32
+.. nonce: dhNwOu
+.. section: Library
+
+Fix problem with :attr:`~ssl.SSLContext.hostname_checks_common_name`.
+OpenSSL does not copy hostflags from *struct SSL_CTX* to *struct SSL*.
+
+..
+
+.. bpo: 42967
+.. date: 2021-03-11-00-31-41
+.. nonce: 2PeQRw
+.. section: Library
+
+Allow :class:`bytes` ``separator`` argument in ``urllib.parse.parse_qs`` and
+``urllib.parse.parse_qsl`` when parsing :class:`str` query strings.
+Previously, this raised a ``TypeError``.
+
+..
+
+.. bpo: 43176
+.. date: 2021-02-09-07-24-29
+.. nonce: bocNQn
+.. section: Library
+
+Fixed processing of a dataclass that inherits from a frozen dataclass with
+no fields.  It is now correctly detected as an error.
+
+..
+
+.. bpo: 34463
+.. date: 2020-12-22-22-51-48
+.. nonce: TUD8V5
+.. section: Library
+
+Fixed discrepancy between :mod:`traceback` and the interpreter in formatting
+of SyntaxError with lineno not set (:mod:`traceback` was changed to match
+interpreter).
+
+..
+
+.. bpo: 41735
+.. date: 2020-09-07-21-51-17
+.. nonce: NKqGKy
+.. section: Library
+
+Fix thread locks in zlib module may go wrong in rare case. Patch by Ma Lin.
+
+..
+
+.. bpo: 26053
+.. date: 2020-09-01-10-12-13
+.. nonce: hXikw_
+.. section: Library
+
+Fixed bug where the :mod:`pdb` interactive run command echoed the args from
+the shell command line, even if those have been overridden at the pdb
+prompt.
+
+..
+
+.. bpo: 36470
+.. date: 2020-06-13-23-33-32
+.. nonce: oi6Kdb
+.. section: Library
+
+Fix dataclasses with ``InitVar``\s and :func:`~dataclasses.replace()`. Patch
+by Claudiu Popa.
+
+..
+
+.. bpo: 28577
+.. date: 2020-03-02-23-52-38
+.. nonce: EK91ae
+.. section: Library
+
+The hosts method on 32-bit prefix length IPv4Networks and 128-bit prefix
+IPv6Networks now returns a list containing the single Address instead of an
+empty list.
+
+..
+
+.. bpo: 32745
+.. date: 2018-08-09-23-47-10
+.. nonce: iQi9hI
+.. section: Library
+
+Fix a regression in the handling of ctypes' :data:`ctypes.c_wchar_p` type:
+embedded null characters would cause a :exc:`ValueError` to be raised. Patch
+by Zackery Spytz.
+
+..
+
+.. bpo: 43959
+.. date: 2021-04-27-22-22-22
+.. nonce: n2261q
+.. section: Documentation
+
+The documentation on the PyContextVar C-API was clarified.
+
+..
+
+.. bpo: 43938
+.. date: 2021-04-25-22-44-27
+.. nonce: nC660q
+.. section: Documentation
+
+Update dataclasses documentation to express that FrozenInstanceError is
+derived from AttributeError.
+
+..
+
+.. bpo: 43739
+.. date: 2021-04-06-07-05-49
+.. nonce: L4HjiX
+.. section: Documentation
+
+Fixing the example code in Doc/extending/extending.rst to declare and
+initialize the pmodule variable to be of the right type.
+
+..
+
+.. bpo: 43842
+.. date: 2021-04-16-14-07-40
+.. nonce: w60GAH
+.. section: Tests
+
+Fix a race condition in the SMTP test of test_logging. Don't close a file
+descriptor (socket) from a different thread while asyncore.loop() is polling
+the file descriptor. Patch by Victor Stinner.
+
+..
+
+.. bpo: 43811
+.. date: 2021-04-12-11-14-28
+.. nonce: vGNbnD
+.. section: Tests
+
+Tests multiple OpenSSL versions on GitHub Actions. Use ccache to speed up
+testing.
+
+..
+
+.. bpo: 43791
+.. date: 2021-04-09-15-10-38
+.. nonce: 4KxiXK
+.. section: Tests
+
+OpenSSL 3.0.0: Disable testing of legacy protocols TLS 1.0 and 1.1. Tests
+are failing with TLSV1_ALERT_INTERNAL_ERROR.
+
+..
+
+.. bpo: 35306
+.. date: 2021-04-22-20-39-49
+.. nonce: F0Cg6X
+.. section: Windows
+
+Avoid raising errors from :meth:`pathlib.Path.exists()` when passed an
+invalid filename.
+
+..
+
+.. bpo: 38822
+.. date: 2021-04-22-19-49-20
+.. nonce: jgdPmq
+.. section: Windows
+
+Fixed :func:`os.stat` failing on inaccessible directories with a trailing
+slash, rather than falling back to the parent directory's metadata. This
+implicitly affected :func:`os.path.exists` and :func:`os.path.isdir`.
+
+..
+
+.. bpo: 26227
+.. date: 2021-04-21-23-37-34
+.. nonce: QMY_eA
+.. section: Windows
+
+Fixed decoding of host names in :func:`socket.gethostbyaddr` and
+:func:`socket.gethostbyname_ex`.
+
+..
+
+.. bpo: 43745
+.. date: 2021-04-06-12-27-33
+.. nonce: rdKNda
+.. section: Windows
+
+Actually updates Windows release to OpenSSL 1.1.1k. Earlier releases were
+mislabelled and actually included 1.1.1i again.
+
+..
+
+.. bpo: 43492
+.. date: 2021-03-15-11-34-33
+.. nonce: AsYnVX
+.. section: Windows
+
+Upgrade Windows installer to use SQLite 3.35.5.
+
+..
+
+.. bpo: 44009
+.. date: 2021-05-02-03-45-30
+.. nonce: uvhmlh
+.. section: macOS
+
+Provide "python3.x-intel64" executable to allow reliably forcing macOS
+universal2 framework builds to run under Rosetta 2 Intel-64 emulation on
+Apple Silicon Macs.  This can be useful for testing or when universal2
+wheels are not yet available.
+
+..
+
+.. bpo: 41100
+.. date: 2021-04-10-17-01-18
+.. nonce: N9FhqU
+.. section: macOS
+
+As of 3.8.10, Python now supports building and running on macOS 11 (Big Sur)
+and on Apple Silicon Macs (based on the ``ARM64`` architecture). A new
+universal build variant, ``universal2``, is also available to natively
+support both ``ARM64`` and ``Intel 64`` in one set of executables. This
+backport from Python 3.9 does not include support for "weaklinking"; to
+support a range of macOS versions, continue to target for and build on the
+oldest version in the range; for 3.8.x, the ``universal2`` variant is only
+useful on macOS 11 or later.
+
+..
+
+.. bpo: 43492
+.. date: 2021-03-15-11-32-23
+.. nonce: 1ZRcV9
+.. section: macOS
+
+Update macOS installer to use SQLite 3.35.4.
+
+..
+
+.. bpo: 43655
+.. date: 2021-04-04-20-52-07
+.. nonce: HSyaKH
+.. section: IDLE
+
+IDLE dialog windows are now recognized as dialogs by window managers on
+macOS and X Window.
+
+..
+
+.. bpo: 43962
+.. date: 2021-04-28-13-13-07
+.. nonce: 9Jzs5X
+.. section: C API
+
+_PyInterpreterState_IDIncref() now calls _PyInterpreterState_IDInitref() and
+always increments id_refcount. Previously, calling
+_xxsubinterpreters.get_current() could create an id_refcount inconsistency
+when a _xxsubinterpreters.InterpreterID object was deallocated. Patch by
+Victor Stinner.
diff --git a/Misc/NEWS.d/next/C API/2021-04-28-13-13-07.bpo-43962.9Jzs5X.rst b/Misc/NEWS.d/next/C API/2021-04-28-13-13-07.bpo-43962.9Jzs5X.rst
deleted file mode 100644
index 3216416..0000000
--- a/Misc/NEWS.d/next/C API/2021-04-28-13-13-07.bpo-43962.9Jzs5X.rst
+++ /dev/null
@@ -1,5 +0,0 @@
-_PyInterpreterState_IDIncref() now calls _PyInterpreterState_IDInitref() and
-always increments id_refcount. Previously, calling
-_xxsubinterpreters.get_current() could create an id_refcount inconsistency
-when a _xxsubinterpreters.InterpreterID object was deallocated. Patch by
-Victor Stinner.
diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-01-13-14-06-01.bpo-42924._WS1Ok.rst b/Misc/NEWS.d/next/Core and Builtins/2021-01-13-14-06-01.bpo-42924._WS1Ok.rst
deleted file mode 100644
index 33fbb52..0000000
--- a/Misc/NEWS.d/next/Core and Builtins/2021-01-13-14-06-01.bpo-42924._WS1Ok.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fix ``bytearray`` repetition incorrectly copying data from the start of the buffer, even if the data is offset within the buffer (e.g. after reassigning a slice at the start of the ``bytearray`` to a shorter byte string).
diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-03-31-20-35-11.bpo-43105.PBVmHm.rst b/Misc/NEWS.d/next/Core and Builtins/2021-03-31-20-35-11.bpo-43105.PBVmHm.rst
deleted file mode 100644
index dd4c186..0000000
--- a/Misc/NEWS.d/next/Core and Builtins/2021-03-31-20-35-11.bpo-43105.PBVmHm.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-Importlib now resolves relative paths when creating module spec objects from
-file locations.
diff --git a/Misc/NEWS.d/next/Documentation/2021-04-06-07-05-49.bpo-43739.L4HjiX.rst b/Misc/NEWS.d/next/Documentation/2021-04-06-07-05-49.bpo-43739.L4HjiX.rst
deleted file mode 100644
index 9f8d362..0000000
--- a/Misc/NEWS.d/next/Documentation/2021-04-06-07-05-49.bpo-43739.L4HjiX.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fixing the example code in Doc/extending/extending.rst to declare and initialize the pmodule variable to be of the right type.
\ No newline at end of file
diff --git a/Misc/NEWS.d/next/Documentation/2021-04-25-22-44-27.bpo-43938.nC660q.rst b/Misc/NEWS.d/next/Documentation/2021-04-25-22-44-27.bpo-43938.nC660q.rst
deleted file mode 100644
index dcf252e..0000000
--- a/Misc/NEWS.d/next/Documentation/2021-04-25-22-44-27.bpo-43938.nC660q.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-Update dataclasses documentation to express that FrozenInstanceError is
-derived from AttributeError.
diff --git a/Misc/NEWS.d/next/Documentation/2021-04-27-22-22-22.bpo-43959.n2261q.rst b/Misc/NEWS.d/next/Documentation/2021-04-27-22-22-22.bpo-43959.n2261q.rst
deleted file mode 100644
index ba23ffd..0000000
--- a/Misc/NEWS.d/next/Documentation/2021-04-27-22-22-22.bpo-43959.n2261q.rst
+++ /dev/null
@@ -1 +0,0 @@
-The documentation on the PyContextVar C-API was clarified.
diff --git a/Misc/NEWS.d/next/IDLE/2021-04-04-20-52-07.bpo-43655.HSyaKH.rst b/Misc/NEWS.d/next/IDLE/2021-04-04-20-52-07.bpo-43655.HSyaKH.rst
deleted file mode 100644
index 105ec92..0000000
--- a/Misc/NEWS.d/next/IDLE/2021-04-04-20-52-07.bpo-43655.HSyaKH.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-IDLE dialog windows are now recognized as dialogs by window managers on
-macOS and X Window.
diff --git a/Misc/NEWS.d/next/Library/2018-08-09-23-47-10.bpo-32745.iQi9hI.rst b/Misc/NEWS.d/next/Library/2018-08-09-23-47-10.bpo-32745.iQi9hI.rst
deleted file mode 100644
index e6a60fe..0000000
--- a/Misc/NEWS.d/next/Library/2018-08-09-23-47-10.bpo-32745.iQi9hI.rst
+++ /dev/null
@@ -1,3 +0,0 @@
-Fix a regression in the handling of ctypes' :data:`ctypes.c_wchar_p` type:
-embedded null characters would cause a :exc:`ValueError` to be raised. Patch
-by Zackery Spytz.
diff --git a/Misc/NEWS.d/next/Library/2020-03-02-23-52-38.bpo-28577.EK91ae.rst b/Misc/NEWS.d/next/Library/2020-03-02-23-52-38.bpo-28577.EK91ae.rst
deleted file mode 100644
index de4c064..0000000
--- a/Misc/NEWS.d/next/Library/2020-03-02-23-52-38.bpo-28577.EK91ae.rst
+++ /dev/null
@@ -1 +0,0 @@
-The hosts method on 32-bit prefix length IPv4Networks and 128-bit prefix IPv6Networks now returns a list containing the single Address instead of an empty list.
diff --git a/Misc/NEWS.d/next/Library/2020-06-13-23-33-32.bpo-36470.oi6Kdb.rst b/Misc/NEWS.d/next/Library/2020-06-13-23-33-32.bpo-36470.oi6Kdb.rst
deleted file mode 100644
index 9b6ab99..0000000
--- a/Misc/NEWS.d/next/Library/2020-06-13-23-33-32.bpo-36470.oi6Kdb.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-Fix dataclasses with ``InitVar``\s and :func:`~dataclasses.replace()`. Patch
-by Claudiu Popa.
diff --git a/Misc/NEWS.d/next/Library/2020-09-01-10-12-13.bpo-26053.hXikw_.rst b/Misc/NEWS.d/next/Library/2020-09-01-10-12-13.bpo-26053.hXikw_.rst
deleted file mode 100644
index e8720ac..0000000
--- a/Misc/NEWS.d/next/Library/2020-09-01-10-12-13.bpo-26053.hXikw_.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fixed bug where the :mod:`pdb` interactive run command echoed the args from the shell command line, even if those have been overridden at the pdb prompt.
diff --git a/Misc/NEWS.d/next/Library/2020-09-07-21-51-17.bpo-41735.NKqGKy.rst b/Misc/NEWS.d/next/Library/2020-09-07-21-51-17.bpo-41735.NKqGKy.rst
deleted file mode 100644
index 9e36435..0000000
--- a/Misc/NEWS.d/next/Library/2020-09-07-21-51-17.bpo-41735.NKqGKy.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fix thread locks in zlib module may go wrong in rare case. Patch by Ma Lin.
diff --git a/Misc/NEWS.d/next/Library/2020-12-22-22-51-48.bpo-34463.TUD8V5.rst b/Misc/NEWS.d/next/Library/2020-12-22-22-51-48.bpo-34463.TUD8V5.rst
deleted file mode 100644
index d045fb7..0000000
--- a/Misc/NEWS.d/next/Library/2020-12-22-22-51-48.bpo-34463.TUD8V5.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fixed discrepancy between :mod:`traceback` and the interpreter in formatting of SyntaxError with lineno not set (:mod:`traceback` was changed to match interpreter).
\ No newline at end of file
diff --git a/Misc/NEWS.d/next/Library/2021-02-09-07-24-29.bpo-43176.bocNQn.rst b/Misc/NEWS.d/next/Library/2021-02-09-07-24-29.bpo-43176.bocNQn.rst
deleted file mode 100644
index 016514d..0000000
--- a/Misc/NEWS.d/next/Library/2021-02-09-07-24-29.bpo-43176.bocNQn.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fixed processing of a dataclass that inherits from a frozen dataclass with no fields.  It is now correctly detected as an error.
diff --git a/Misc/NEWS.d/next/Library/2021-03-11-00-31-41.bpo-42967.2PeQRw.rst b/Misc/NEWS.d/next/Library/2021-03-11-00-31-41.bpo-42967.2PeQRw.rst
deleted file mode 100644
index f8ad3ea..0000000
--- a/Misc/NEWS.d/next/Library/2021-03-11-00-31-41.bpo-42967.2PeQRw.rst
+++ /dev/null
@@ -1,3 +0,0 @@
-Allow :class:`bytes` ``separator`` argument in ``urllib.parse.parse_qs`` and
-``urllib.parse.parse_qsl`` when parsing :class:`str` query strings.  Previously,
-this raised a ``TypeError``.
diff --git a/Misc/NEWS.d/next/Library/2021-03-16-22-37-32.bpo-43522.dhNwOu.rst b/Misc/NEWS.d/next/Library/2021-03-16-22-37-32.bpo-43522.dhNwOu.rst
deleted file mode 100644
index a17e1b4..0000000
--- a/Misc/NEWS.d/next/Library/2021-03-16-22-37-32.bpo-43522.dhNwOu.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fix problem with :attr:`~ssl.SSLContext.hostname_checks_common_name`. OpenSSL does not copy hostflags from *struct SSL_CTX* to *struct SSL*.
diff --git a/Misc/NEWS.d/next/Library/2021-03-18-15-46-08.bpo-43534.vPE9Us.rst b/Misc/NEWS.d/next/Library/2021-03-18-15-46-08.bpo-43534.vPE9Us.rst
deleted file mode 100644
index 7f2e5a4..0000000
--- a/Misc/NEWS.d/next/Library/2021-03-18-15-46-08.bpo-43534.vPE9Us.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-:func:`turtle.textinput` and :func:`turtle.numinput` create now a transient
-window working on behalf of the canvas window.
diff --git a/Misc/NEWS.d/next/Library/2021-04-04-20-51-19.bpo-43655.LwGy8R.rst b/Misc/NEWS.d/next/Library/2021-04-04-20-51-19.bpo-43655.LwGy8R.rst
deleted file mode 100644
index 7916d22..0000000
--- a/Misc/NEWS.d/next/Library/2021-04-04-20-51-19.bpo-43655.LwGy8R.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-:mod:`tkinter` dialog windows are now recognized as dialogs by window
-managers on macOS and X Window.
diff --git a/Misc/NEWS.d/next/Library/2021-04-09-12-08-01.bpo-43788.YsvInM.rst b/Misc/NEWS.d/next/Library/2021-04-09-12-08-01.bpo-43788.YsvInM.rst
deleted file mode 100644
index ff76256..0000000
--- a/Misc/NEWS.d/next/Library/2021-04-09-12-08-01.bpo-43788.YsvInM.rst
+++ /dev/null
@@ -1,4 +0,0 @@
-The header files for :mod:`ssl` error codes are now OpenSSL
-version-specific. Exceptions will now show correct reason and library
-codes. The ``make_ssl_data.py`` script has been rewritten to use OpenSSL's
-text file with error codes.
diff --git a/Misc/NEWS.d/next/Library/2021-04-09-14-08-03.bpo-43789.eaHlAm.rst b/Misc/NEWS.d/next/Library/2021-04-09-14-08-03.bpo-43789.eaHlAm.rst
deleted file mode 100644
index 1c08529..0000000
--- a/Misc/NEWS.d/next/Library/2021-04-09-14-08-03.bpo-43789.eaHlAm.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-OpenSSL 3.0.0: Don't call the password callback function a second time when
-first call has signaled an error condition.
diff --git a/Misc/NEWS.d/next/Library/2021-04-09-16-14-22.bpo-43794.-1XPDH.rst b/Misc/NEWS.d/next/Library/2021-04-09-16-14-22.bpo-43794.-1XPDH.rst
deleted file mode 100644
index 64894bd..0000000
--- a/Misc/NEWS.d/next/Library/2021-04-09-16-14-22.bpo-43794.-1XPDH.rst
+++ /dev/null
@@ -1 +0,0 @@
-Add :data:`ssl.OP_IGNORE_UNEXPECTED_EOF` constants (OpenSSL 3.0.0)
diff --git a/Misc/NEWS.d/next/Library/2021-04-10-11-35-50.bpo-43799.1iV4pX.rst b/Misc/NEWS.d/next/Library/2021-04-10-11-35-50.bpo-43799.1iV4pX.rst
deleted file mode 100644
index bd79519..0000000
--- a/Misc/NEWS.d/next/Library/2021-04-10-11-35-50.bpo-43799.1iV4pX.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-OpenSSL 3.0.0: define ``OPENSSL_API_COMPAT`` 1.1.1 to suppress deprecation
-warnings. Python requires OpenSSL 1.1.1 APIs.
diff --git a/Misc/NEWS.d/next/Library/2021-04-11-21-10-57.bpo-42248.pedB1E.rst b/Misc/NEWS.d/next/Library/2021-04-11-21-10-57.bpo-42248.pedB1E.rst
deleted file mode 100644
index 0722d35..0000000
--- a/Misc/NEWS.d/next/Library/2021-04-11-21-10-57.bpo-42248.pedB1E.rst
+++ /dev/null
@@ -1 +0,0 @@
-[Enum] ensure exceptions raised in ``_missing__`` are released
diff --git a/Misc/NEWS.d/next/Library/2021-04-21-14-50-57.bpo-43284.2QZn2T.rst b/Misc/NEWS.d/next/Library/2021-04-21-14-50-57.bpo-43284.2QZn2T.rst
deleted file mode 100644
index 7e41016..0000000
--- a/Misc/NEWS.d/next/Library/2021-04-21-14-50-57.bpo-43284.2QZn2T.rst
+++ /dev/null
@@ -1,6 +0,0 @@
-platform.win32_ver derives the windows version from
-sys.getwindowsversion().platform_version which in turn derives the version
-from kernel32.dll (which can be of a different version than Windows itself).
-Therefore change the platform.win32_ver to determine the version using the
-platform module's _syscmd_ver private function to return an accurate
-version.
diff --git a/Misc/NEWS.d/next/Library/2021-04-22-22-39-58.bpo-43607.7IYDkG.rst b/Misc/NEWS.d/next/Library/2021-04-22-22-39-58.bpo-43607.7IYDkG.rst
deleted file mode 100644
index fa62846..0000000
--- a/Misc/NEWS.d/next/Library/2021-04-22-22-39-58.bpo-43607.7IYDkG.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-:mod:`urllib` can now convert Windows paths with ``\\?\`` prefixes into URL
-paths.
diff --git a/Misc/NEWS.d/next/Library/2021-04-23-11-54-38.bpo-43920.cJMQ2D.rst b/Misc/NEWS.d/next/Library/2021-04-23-11-54-38.bpo-43920.cJMQ2D.rst
deleted file mode 100644
index 28ff0fb..0000000
--- a/Misc/NEWS.d/next/Library/2021-04-23-11-54-38.bpo-43920.cJMQ2D.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-OpenSSL 3.0.0: :meth:`~ssl.SSLContext.load_verify_locations` now returns a
-consistent error message when cadata contains no valid certificate.
diff --git a/Misc/NEWS.d/next/Library/2021-04-24-14-23-07.bpo-43930.R7ah0m.rst b/Misc/NEWS.d/next/Library/2021-04-24-14-23-07.bpo-43930.R7ah0m.rst
deleted file mode 100644
index 7dac21f..0000000
--- a/Misc/NEWS.d/next/Library/2021-04-24-14-23-07.bpo-43930.R7ah0m.rst
+++ /dev/null
@@ -1 +0,0 @@
-Update bundled pip to 21.1 and setuptools to 56.0.0
\ No newline at end of file
diff --git a/Misc/NEWS.d/next/Library/2021-04-25-13-34-13.bpo-43937.isx95l.rst b/Misc/NEWS.d/next/Library/2021-04-25-13-34-13.bpo-43937.isx95l.rst
deleted file mode 100644
index cb4d90b..0000000
--- a/Misc/NEWS.d/next/Library/2021-04-25-13-34-13.bpo-43937.isx95l.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fixed the :mod:`turtle` module working with non-default root window.
diff --git a/Misc/NEWS.d/next/Library/2021-04-30-19-23-45.bpo-43993.T7_yoq.rst b/Misc/NEWS.d/next/Library/2021-04-30-19-23-45.bpo-43993.T7_yoq.rst
deleted file mode 100644
index c9d2c45..0000000
--- a/Misc/NEWS.d/next/Library/2021-04-30-19-23-45.bpo-43993.T7_yoq.rst
+++ /dev/null
@@ -1 +0,0 @@
-Update bundled pip to 21.1.1.
\ No newline at end of file
diff --git a/Misc/NEWS.d/next/Security/2021-01-31-05-28-14.bpo-43075.DoAXqO.rst b/Misc/NEWS.d/next/Security/2021-01-31-05-28-14.bpo-43075.DoAXqO.rst
deleted file mode 100644
index 1c9f727..0000000
--- a/Misc/NEWS.d/next/Security/2021-01-31-05-28-14.bpo-43075.DoAXqO.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fix Regular Expression Denial of Service (ReDoS) vulnerability in :class:`urllib.request.AbstractBasicAuthHandler`.  The ReDoS-vulnerable regex has quadratic worst-case complexity and it allows cause a denial of service when identifying crafted invalid RFCs. This ReDoS issue is on the client side and needs remote attackers to control the HTTP server.
diff --git a/Misc/NEWS.d/next/Security/2021-04-21-22-53-31.bpo-43472.gjLBTb.rst b/Misc/NEWS.d/next/Security/2021-04-21-22-53-31.bpo-43472.gjLBTb.rst
deleted file mode 100644
index e38dc16..0000000
--- a/Misc/NEWS.d/next/Security/2021-04-21-22-53-31.bpo-43472.gjLBTb.rst
+++ /dev/null
@@ -1,3 +0,0 @@
-Ensures interpreter-level audit hooks receive the
-``cpython.PyInterpreterState_New`` event when called through the
-``_xxsubinterpreters`` module.
diff --git a/Misc/NEWS.d/next/Security/2021-05-02-17-50-23.bpo-43434.cy7xz6.rst b/Misc/NEWS.d/next/Security/2021-05-02-17-50-23.bpo-43434.cy7xz6.rst
deleted file mode 100644
index 28b7fc5..0000000
--- a/Misc/NEWS.d/next/Security/2021-05-02-17-50-23.bpo-43434.cy7xz6.rst
+++ /dev/null
@@ -1,4 +0,0 @@
-Creating a :class:`sqlite3.Connection` object now also produces
-a ``sqlite3.connect`` :ref:`auditing event <auditing>`.
-Previously this event was only produced by :func:`sqlite3.connect`
-calls. Patch by Erlend E. Aasland.
diff --git a/Misc/NEWS.d/next/Tests/2021-04-09-15-10-38.bpo-43791.4KxiXK.rst b/Misc/NEWS.d/next/Tests/2021-04-09-15-10-38.bpo-43791.4KxiXK.rst
deleted file mode 100644
index 964ae5a..0000000
--- a/Misc/NEWS.d/next/Tests/2021-04-09-15-10-38.bpo-43791.4KxiXK.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-OpenSSL 3.0.0: Disable testing of legacy protocols TLS 1.0 and 1.1. Tests
-are failing with TLSV1_ALERT_INTERNAL_ERROR.
diff --git a/Misc/NEWS.d/next/Tests/2021-04-12-11-14-28.bpo-43811.vGNbnD.rst b/Misc/NEWS.d/next/Tests/2021-04-12-11-14-28.bpo-43811.vGNbnD.rst
deleted file mode 100644
index d4c7066..0000000
--- a/Misc/NEWS.d/next/Tests/2021-04-12-11-14-28.bpo-43811.vGNbnD.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-Tests multiple OpenSSL versions on GitHub Actions. Use ccache to speed up
-testing.
diff --git a/Misc/NEWS.d/next/Tests/2021-04-16-14-07-40.bpo-43842.w60GAH.rst b/Misc/NEWS.d/next/Tests/2021-04-16-14-07-40.bpo-43842.w60GAH.rst
deleted file mode 100644
index 5b4a120..0000000
--- a/Misc/NEWS.d/next/Tests/2021-04-16-14-07-40.bpo-43842.w60GAH.rst
+++ /dev/null
@@ -1,4 +0,0 @@
-Fix a race condition in the SMTP test of test_logging. Don't close a file
-descriptor (socket) from a different thread while asyncore.loop() is polling
-the file descriptor.
-Patch by Victor Stinner.
diff --git a/Misc/NEWS.d/next/Windows/2021-03-15-11-34-33.bpo-43492.AsYnVX.rst b/Misc/NEWS.d/next/Windows/2021-03-15-11-34-33.bpo-43492.AsYnVX.rst
deleted file mode 100644
index 93da1b6..0000000
--- a/Misc/NEWS.d/next/Windows/2021-03-15-11-34-33.bpo-43492.AsYnVX.rst
+++ /dev/null
@@ -1 +0,0 @@
-Upgrade Windows installer to use SQLite 3.35.5.
diff --git a/Misc/NEWS.d/next/Windows/2021-04-06-12-27-33.bpo-43745.rdKNda.rst b/Misc/NEWS.d/next/Windows/2021-04-06-12-27-33.bpo-43745.rdKNda.rst
deleted file mode 100644
index 8ec498d..0000000
--- a/Misc/NEWS.d/next/Windows/2021-04-06-12-27-33.bpo-43745.rdKNda.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-Actually updates Windows release to OpenSSL 1.1.1k. Earlier releases were
-mislabelled and actually included 1.1.1i again.
diff --git a/Misc/NEWS.d/next/Windows/2021-04-21-23-37-34.bpo-26227.QMY_eA.rst b/Misc/NEWS.d/next/Windows/2021-04-21-23-37-34.bpo-26227.QMY_eA.rst
deleted file mode 100644
index d6826fb..0000000
--- a/Misc/NEWS.d/next/Windows/2021-04-21-23-37-34.bpo-26227.QMY_eA.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-Fixed decoding of host names in :func:`socket.gethostbyaddr` and
-:func:`socket.gethostbyname_ex`.
diff --git a/Misc/NEWS.d/next/Windows/2021-04-22-19-49-20.bpo-38822.jgdPmq.rst b/Misc/NEWS.d/next/Windows/2021-04-22-19-49-20.bpo-38822.jgdPmq.rst
deleted file mode 100644
index 072a969..0000000
--- a/Misc/NEWS.d/next/Windows/2021-04-22-19-49-20.bpo-38822.jgdPmq.rst
+++ /dev/null
@@ -1,3 +0,0 @@
-Fixed :func:`os.stat` failing on inaccessible directories with a trailing
-slash, rather than falling back to the parent directory's metadata. This
-implicitly affected :func:`os.path.exists` and :func:`os.path.isdir`.
diff --git a/Misc/NEWS.d/next/Windows/2021-04-22-20-39-49.bpo-35306.F0Cg6X.rst b/Misc/NEWS.d/next/Windows/2021-04-22-20-39-49.bpo-35306.F0Cg6X.rst
deleted file mode 100644
index af41b3c..0000000
--- a/Misc/NEWS.d/next/Windows/2021-04-22-20-39-49.bpo-35306.F0Cg6X.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-Avoid raising errors from :meth:`pathlib.Path.exists()` when passed an
-invalid filename.
diff --git a/Misc/NEWS.d/next/macOS/2021-03-15-11-32-23.bpo-43492.1ZRcV9.rst b/Misc/NEWS.d/next/macOS/2021-03-15-11-32-23.bpo-43492.1ZRcV9.rst
deleted file mode 100644
index 39f1537..0000000
--- a/Misc/NEWS.d/next/macOS/2021-03-15-11-32-23.bpo-43492.1ZRcV9.rst
+++ /dev/null
@@ -1 +0,0 @@
-Update macOS installer to use SQLite 3.35.4.
diff --git a/Misc/NEWS.d/next/macOS/2021-04-10-17-01-18.bpo-41100.N9FhqU.rst b/Misc/NEWS.d/next/macOS/2021-04-10-17-01-18.bpo-41100.N9FhqU.rst
deleted file mode 100644
index e087df9..0000000
--- a/Misc/NEWS.d/next/macOS/2021-04-10-17-01-18.bpo-41100.N9FhqU.rst
+++ /dev/null
@@ -1,9 +0,0 @@
-As of 3.8.10, Python now supports building and running on macOS 11
-(Big Sur) and on Apple Silicon Macs (based on the ``ARM64`` architecture).
-A new universal build variant, ``universal2``, is also available to natively
-support both ``ARM64`` and ``Intel 64`` in one set of executables.
-This backport from Python 3.9 does not include support for "weaklinking";
-to support a range of macOS versions, continue to target
-for and build on the oldest version in the range; for 3.8.x, the
-``universal2`` variant is only useful on macOS 11 or later.
-
diff --git a/Misc/NEWS.d/next/macOS/2021-05-02-03-45-30.bpo-44009.uvhmlh.rst b/Misc/NEWS.d/next/macOS/2021-05-02-03-45-30.bpo-44009.uvhmlh.rst
deleted file mode 100644
index f9f11c8..0000000
--- a/Misc/NEWS.d/next/macOS/2021-05-02-03-45-30.bpo-44009.uvhmlh.rst
+++ /dev/null
@@ -1,4 +0,0 @@
-Provide "python3.x-intel64" executable to allow reliably forcing macOS
-universal2 framework builds to run under Rosetta 2 Intel-64 emulation on
-Apple Silicon Macs.  This can be useful for testing or when universal2
-wheels are not yet available.
diff --git a/README.rst b/README.rst
index f836af1..49eb70f 100644
--- a/README.rst
+++ b/README.rst
@@ -1,5 +1,5 @@
-This is Python version 3.8.9
-============================
+This is Python version 3.8.10
+=============================
 
 .. image:: https://travis-ci.org/python/cpython.svg?branch=3.8
    :alt: CPython build status on Travis CI