.. bpo: 33363
.. date: 2018-04-26-22-48-28
.. nonce: 8RCnN2
.. release date: 2018-05-02
.. section: Core and Builtins
Raise a SyntaxError for ``async with`` and ``async for`` statements outside
of async functions.
..
.. bpo: 33128
.. date: 2018-04-24-22-31-04
.. nonce: g2yLuf
.. section: Core and Builtins
Fix a bug that causes PathFinder to appear twice on sys.meta_path. Patch by
Pablo Galindo Salgado.
..
.. bpo: 33312
.. date: 2018-04-19-08-30-07
.. nonce: mDe2iL
.. section: Core and Builtins
Fixed clang ubsan (undefined behavior sanitizer) warnings in dictobject.c by
adjusting how the internal struct _dictkeysobject shared keys structure is
declared.
..
.. bpo: 33231
.. date: 2018-04-05-22-20-44
.. nonce: 3Jmo0q
.. section: Core and Builtins
Fix potential memory leak in ``normalizestring()``.
..
.. bpo: 33205
.. date: 2018-04-03-00-58-41
.. nonce: lk2F3r
.. section: Core and Builtins
Change dict growth function from
``round_up_to_power_2(used*2+hashtable_size/2)`` to
``round_up_to_power_2(used*3)``. Previously, dict is shrunk only when
``used == 0``. Now dict has more chance to be shrunk.
..
.. bpo: 29922
.. date: 2018-04-03-00-30-25
.. nonce: CdLuMl
.. section: Core and Builtins
Improved error messages in 'async with' when ``__aenter__()`` or
``__aexit__()`` return non-awaitable object.
..
.. bpo: 33199
.. date: 2018-04-02-09-32-40
.. nonce: TPnxQu
.. section: Core and Builtins
Fix ``ma_version_tag`` in dict implementation is uninitialized when copying
from key-sharing dict.
..
.. bpo: 33281
.. date: 2018-05-01-22-35-50
.. nonce: d4jOt4
.. section: Library
Fix ctypes.util.find_library regression on macOS.
..
.. bpo: 33383
.. date: 2018-04-29-11-15-38
.. nonce: g32YWn
.. section: Library
Fixed crash in the get() method of the :mod:`dbm.ndbm` database object when
it is called with a single argument.
..
.. bpo: 33329
.. date: 2018-04-23-13-21-39
.. nonce: lQ-Eod
.. section: Library
Fix multiprocessing regression on newer glibcs
..
.. bpo: 991266
.. date: 2018-04-21-00-24-08
.. nonce: h93TP_
.. section: Library
Fix quoting of the ``Comment`` attribute of
:class:`http.cookies.SimpleCookie`.
..
.. bpo: 33131
.. date: 2018-04-20-10-43-17
.. nonce: L2E977
.. section: Library
Upgrade bundled version of pip to 10.0.1.
..
.. bpo: 33308
.. date: 2018-04-18-19-12-25
.. nonce: fW75xi
.. section: Library
Fixed a crash in the :mod:`parser` module when converting an ST object to a
tree of tuples or lists with ``line_info=False`` and ``col_info=True``.
..
.. bpo: 33266
.. date: 2018-04-16-15-59-21
.. nonce: w2PAm-
.. section: Library
lib2to3 now recognizes ``rf'...'`` strings.
..
.. bpo: 11594
.. date: 2018-04-16-08-42-03
.. nonce: QLo4vv
.. section: Library
Ensure line-endings are respected when using lib2to3.
..
.. bpo: 33254
.. date: 2018-04-13-15-14-47
.. nonce: DS4KFK
.. section: Library
Have :func:`importlib.resources.contents` and
:meth:`importlib.abc.ResourceReader.contents` return an :term:`iterable`
instead of an :term:`iterator`.
..
.. bpo: 33256
.. date: 2018-04-10-20-57-14
.. nonce: ndHkqu
.. section: Library
Fix display of ``<module>`` call in the html produced by ``cgitb.html()``.
Patch by Stéphane Blondon.
..
.. bpo: 33185
.. date: 2018-04-08-22-54-07
.. nonce: Id-Ba9
.. section: Library
Fixed regression when running pydoc with the :option:`-m` switch. (The
regression was introduced in 3.7.0b3 by the resolution of :issue:`33053`)
This fix also changed pydoc to add ``os.getcwd()`` to :data:`sys.path` when
necessary, rather than adding ``"."``.
..
.. bpo: 33169
.. date: 2018-04-06-14-56-26
.. nonce: ByhDqb
.. section: Library
Delete entries of ``None`` in :data:`sys.path_importer_cache` when
:meth:`importlib.machinery.invalidate_caches` is called.
..
.. bpo: 33217
.. date: 2018-04-05-13-36-09
.. nonce: FfOKDI
.. section: Library
Deprecate looking up non-Enum objects in Enum classes and Enum members (will
raise :exc:`TypeError` in 3.8+).
..
.. bpo: 33203
.. date: 2018-04-05-11-09-45
.. nonce: Hje9Py
.. section: Library
``random.Random.choice()`` now raises ``IndexError`` for empty sequences
consistently even when called from subclasses without a ``getrandbits()``
implementation.
..
.. bpo: 33224
.. date: 2018-04-04-23-41-30
.. nonce: pyR0jB
.. section: Library
Update difflib.mdiff() for :pep:`479`. Convert an uncaught StopIteration in a
generator into a return-statement.
..
.. bpo: 33209
.. date: 2018-04-03-10-37-13
.. nonce: 9sGWE_
.. section: Library
End framing at the end of C implementation of :func:`pickle.Pickler.dump`.
..
.. bpo: 20104
.. date: 2018-04-01-19-21-04
.. nonce: -AKcGa
.. section: Library
Improved error handling and fixed a reference leak in
:func:`os.posix_spawn`.
..
.. bpo: 33175
.. date: 2018-03-29-04-32-25
.. nonce: _zs1yM
.. section: Library
In dataclasses, Field.__set_name__ now looks up the __set_name__ special
method on the class, not the instance, of the default value.
..
.. bpo: 33097
.. date: 2018-03-18-16-48-23
.. nonce: Yl4gI2
.. section: Library
Raise RuntimeError when ``executor.submit`` is called during interpreter
shutdown.
..
.. bpo: 31908
.. date: 2017-10-31
.. nonce: g4xh8x
.. section: Library
Fix output of cover files for ``trace`` module command-line tool. Previously
emitted cover files only when ``--missing`` option was used. Patch by
Michael Selik.
..
.. bpo: 33378
.. date: 2018-04-29-04-02-18
.. nonce: -anAHN
.. section: Documentation
Add Korean language switcher for https://docs.python.org/3/
..
.. bpo: 33276
.. date: 2018-04-20-14-09-36
.. nonce: rA1z_3
.. section: Documentation
Clarify that the ``__path__`` attribute on modules cannot be just any value.
..
.. bpo: 33201
.. date: 2018-04-01-21-03-41
.. nonce: aa8Lkl
.. section: Documentation
Modernize documentation for writing C extension types.
..
.. bpo: 33195
.. date: 2018-04-01-14-30-36
.. nonce: dRS-XX
.. section: Documentation
Deprecate ``Py_UNICODE`` usage in ``c-api/arg`` document. ``Py_UNICODE``
related APIs are deprecated since Python 3.3, but it is missed in the
document.
..
.. bpo: 8243
.. date: 2018-01-13-20-30-53
.. nonce: s98r28
.. section: Documentation
Add a note about curses.addch and curses.addstr exception behavior when
writing outside a window, or pad.
..
.. bpo: 32337
.. date: 2017-12-22-17-29-37
.. nonce: eZe-ID
.. section: Documentation
Update documentation related with ``dict`` order.
..
.. bpo: 33358
.. date: 2018-04-27-11-46-35
.. nonce: _OcR59
.. section: Tests
Fix ``test_embed.test_pre_initialization_sys_options()`` when the
interpreter is built with ``--enable-shared``.
..
.. bpo: 33394
.. date: 2018-04-30-17-36-46
.. nonce: _Vdi4t
.. section: Build
Enable the verbose build for extension modules, when GNU make is passed
macros on the command line.
..
.. bpo: 33393
.. date: 2018-04-30-17-19-37
.. nonce: HkVCqI
.. section: Build
Update config.guess and config.sub files.
..
.. bpo: 33377
.. date: 2018-04-30-16-53-00
.. nonce: QBh6vP
.. section: Build
Add new triplets for mips r6 and riscv variants (used in extension
suffixes).
..
.. bpo: 32232
.. date: 2018-04-17-00-38-19
.. nonce: o7G_UO
.. section: Build
By default, modules configured in ``Modules/Setup`` are no longer built with
``-DPy_BUILD_CORE``. Instead, modules that specifically need that preprocessor
definition include it in their individual entries.
..
.. bpo: 33182
.. date: 2018-03-30-14-55-48
.. nonce: CePczb
.. section: Build
The embedding tests can once again be built with clang 6.0
..
.. bpo: 33184
.. date: 2018-04-13-11-28-55
.. nonce: 7YhqQE
.. section: Windows
Update Windows installer to use OpenSSL 1.1.0h.
..
.. bpo: 33184
.. date: 2018-04-07-00-51-34
.. nonce: 3j208P
.. section: macOS
Update macOS installer build to use OpenSSL 1.1.0h.
..
.. bpo: 21474
.. date: 2018-04-29-16-13-02
.. nonce: bglg-F
.. section: IDLE
Update word/identifier definition from ascii to unicode. In text and entry
boxes, this affects selection by double-click, movement left/right by
control-left/right, and deletion left/right by control-BACKSPACE/DEL.
..
.. bpo: 33204
.. date: 2018-04-02-00-28-13
.. nonce: NBsuIv
.. section: IDLE
IDLE: consistently color invalid string prefixes. A 'u' string prefix cannot
be paired with either 'r' or 'f'. Consistently color as much of the prefix,
starting at the right, as is valid. Revise and extend colorizer test.
..
.. bpo: 33189
.. date: 2018-04-03-18-10-00
.. nonce: QrXR00
.. section: Tools/Demos
:program:`pygettext.py` now recognizes only literal strings as docstrings
and translatable strings, and rejects bytes literals and f-string
expressions.
..
.. bpo: 31920
.. date: 2018-03-26-18-54-24
.. nonce: u_WKsT
.. section: Tools/Demos
Fixed handling directories as arguments in the ``pygettext`` script. Based
on patch by Oleg Krasnikov.
..
.. bpo: 29673
.. date: 2018-03-16-17-25-05
.. nonce: m8QtaW
.. section: Tools/Demos
Fix pystackv and pystack gdbinit macros.
..
.. bpo: 31583
.. date: 2017-09-26-10-11-21
.. nonce: TM90_H
.. section: Tools/Demos
Fix 2to3 for using with --add-suffix option but without --output-dir option
for relative path to files in current directory.
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