525 lines
11 KiB
ReStructuredText
525 lines
11 KiB
ReStructuredText
.. bpo: 44022
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.. date: 2021-05-05-17-37-04
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.. nonce: bS3XJ9
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.. release date: 2021-05-31
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.. section: Security
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mod:`http.client` now avoids infinitely reading potential HTTP headers after
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a ``100 Continue`` status response from the server.
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..
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.. bpo: 43667
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.. date: 2021-05-27-17-34-29
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.. nonce: ND9jP3
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.. section: Core and Builtins
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Improve Unicode support in non-UTF locales on Oracle Solaris. This issue
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does not affect other Solaris systems.
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..
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.. bpo: 44232
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.. date: 2021-05-25-18-20-10
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.. nonce: DMcCCf
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.. section: Core and Builtins
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Fix a regression in :func:`type` when a metaclass raises an exception. The C
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function :c:func:`type_new` must properly report the exception when a
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metaclass constructor raises an exception and the winner class is not the
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metaclass. Patch by Victor Stinner.
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..
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.. bpo: 44201
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.. date: 2021-05-21-21-16-03
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.. nonce: bGaSjt
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.. section: Core and Builtins
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Avoid side effects of checking for specialized syntax errors in the REPL
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that was causing it to ask for extra tokens after a syntax error had been
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detected. Patch by Pablo Galindo
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..
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.. bpo: 44184
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.. date: 2021-05-21-01-42-45
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.. nonce: 9qOptC
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.. section: Core and Builtins
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Fix a crash at Python exit when a deallocator function removes the last
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strong reference to a heap type. Patch by Victor Stinner.
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..
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.. bpo: 44180
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.. date: 2021-05-19-20-33-36
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.. nonce: mQVaAs
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.. section: Core and Builtins
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The parser doesn't report generic syntax errors that happen in a position
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further away that the one it reached in the first pass. Patch by Pablo
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Galindo
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..
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.. bpo: 44168
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.. date: 2021-05-18-11-27-02
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.. nonce: mgB-rt
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.. section: Core and Builtins
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Fix error message in the parser involving keyword arguments with invalid
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expressions. Patch by Pablo Galindo
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..
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.. bpo: 44143
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.. date: 2021-05-15-17-30-57
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.. nonce: 7UTS6H
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.. section: Core and Builtins
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Fixed a crash in the parser that manifest when raising tokenizer errors when
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an existing exception was present. Patch by Pablo Galindo.
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..
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.. bpo: 44114
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.. date: 2021-05-12-14-26-16
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.. nonce: p-WfAE
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.. section: Core and Builtins
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Fix incorrect dictkeys_reversed and dictitems_reversed function signatures
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in C code, which broke webassembly builds.
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..
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.. bpo: 43149
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.. date: 2021-05-08-17-18-37
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.. nonce: Kp5FxD
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.. section: Core and Builtins
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Corrent the syntax error message regarding multiple exception types to not
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refer to "exception groups". Patch by Pablo Galindo
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..
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.. bpo: 44056
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.. date: 2021-05-06-12-43-04
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.. nonce: 4LWcJW
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.. section: Core and Builtins
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Syntax errors when default ``except`` is not the last ``except`` are
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reported with the correct location. Patch by Mark Shannon.
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..
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.. bpo: 43822
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.. date: 2021-05-04-01-01-04
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.. nonce: 9VeCg0
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.. section: Core and Builtins
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The parser will prioritize tokenizer errors over custom syntax errors when
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raising exceptions. Patch by Pablo Galindo.
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..
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.. bpo: 28146
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.. date: 2021-01-13-19-34-41
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.. nonce: AZBBkH
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.. section: Core and Builtins
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Fix a confusing error message in :func:`str.format`.
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..
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.. bpo: 44254
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.. date: 2021-05-29-01-05-43
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.. nonce: f06xDm
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.. section: Library
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On Mac, give turtledemo button text a color that works on both light or dark
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background. Programmers cannot control the latter.
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..
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.. bpo: 38693
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.. date: 2021-05-26-14-50-06
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.. nonce: NkMacJ
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.. section: Library
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Prefer f-strings to ``.format`` in importlib.resources.
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..
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.. bpo: 33693
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.. date: 2021-05-26-13-34-37
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.. nonce: 3okzdo
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.. section: Library
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Importlib.metadata now prefers f-strings to .format.
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..
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.. bpo: 44241
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.. date: 2021-05-26-13-15-51
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.. nonce: TBqej8
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.. section: Library
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Incorporate minor tweaks from importlib_metadata 4.1: SimplePath protocol,
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support for Metadata 2.2.
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..
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.. bpo: 44210
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.. date: 2021-05-21-21-23-43
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.. nonce: 5afQ3K
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.. section: Library
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Make importlib.metadata._meta.PackageMetadata public.
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..
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.. bpo: 43643
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.. date: 2021-05-21-12-12-35
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.. nonce: GWnmcF
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.. section: Library
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Declare readers.MultiplexedPath.name as a property per the spec.
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..
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.. bpo: 33433
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.. date: 2021-05-16-17-48-24
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.. nonce: MyzO71
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.. section: Library
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For IPv4 mapped IPv6 addresses (:rfc:`4291` Section 2.5.5.2), the
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:mod:`ipaddress.IPv6Address.is_private` check is deferred to the mapped IPv4
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address. This solves a bug where public mapped IPv4 addresses were
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considered private by the IPv6 check.
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..
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.. bpo: 44145
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.. date: 2021-05-16-00-00-38
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.. nonce: ko5SJ7
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.. section: Library
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:mod:`hmac` computations were not releasing the GIL while calling the
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OpenSSL ``HMAC_Update`` C API (a new feature in 3.9). This unintentionally
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prevented parallel computation as other :mod:`hashlib` algorithms support.
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..
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.. bpo: 37788
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.. date: 2021-05-13-19-07-28
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.. nonce: adeFcf
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.. section: Library
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Fix a reference leak when a Thread object is never joined.
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..
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.. bpo: 38908
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.. date: 2021-05-12-16-43-21
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.. nonce: nM2_rO
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.. section: Library
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Subclasses of ``typing.Protocol`` which only have data variables declared
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will now raise a ``TypeError`` when checked with ``isinstance`` unless they
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are decorated with :func:`runtime_checkable`. Previously, these checks
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passed silently. Patch provided by Yurii Karabas.
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..
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.. bpo: 44098
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.. date: 2021-05-10-17-45-00
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.. nonce: _MoxuZ
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.. section: Library
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``typing.ParamSpec`` will no longer be found in the ``__parameters__`` of
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most :mod:`typing` generics except in valid use locations specified by
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:pep:`612`. This prevents incorrect usage like ``typing.List[P][int]``. This
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change means incorrect usage which may have passed silently in 3.10 beta 1
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and earlier will now error.
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..
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.. bpo: 44089
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.. date: 2021-05-09-22-52-34
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.. nonce: IoANsN
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.. section: Library
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Allow subclassing ``csv.Error`` in 3.10 (it was allowed in 3.9 and earlier
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but was disallowed in early versions of 3.10).
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..
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.. bpo: 44059
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.. date: 2021-05-06-16-01-55
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.. nonce: GF5r6O
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.. section: Library
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Register the SerenityOS Browser in the :mod:`webbrowser` module.
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..
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.. bpo: 36515
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.. date: 2021-05-05-11-44-49
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.. nonce: uOSa3q
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.. section: Library
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The :mod:`hashlib` module no longer does unaligned memory accesses when
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compiled for ARM platforms.
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..
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.. bpo: 44018
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.. date: 2021-05-03-10-07-43
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.. nonce: VDyW8f
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.. section: Library
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random.seed() no longer mutates bytearray inputs.
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..
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.. bpo: 38352
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.. date: 2021-05-02-13-54-25
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.. nonce: N9MlhV
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.. section: Library
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Add ``IO``, ``BinaryIO``, ``TextIO``, ``Match``, and ``Pattern`` to
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``typing.__all__``. Patch by Jelle Zijlstra.
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..
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.. bpo: 43972
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.. date: 2021-04-30-16-58-24
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.. nonce: Y2r9lg
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.. section: Library
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When :class:`http.server.SimpleHTTPRequestHandler` sends a ``301 (Moved
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Permanently)`` for a directory path not ending with `/`, add a
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``Content-Length: 0`` header. This improves the behavior for certain
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clients.
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..
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.. bpo: 28528
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.. date: 2021-04-29-00-48-00
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.. nonce: JLAVWj
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.. section: Library
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Fix a bug in :mod:`pdb` where :meth:`~pdb.Pdb.checkline` raises
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:exc:`AttributeError` if it is called after :meth:`~pdb.Pdb.reset`.
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..
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.. bpo: 43650
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.. date: 2021-03-29-00-23-30
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.. nonce: v01tic
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.. section: Library
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Fix :exc:`MemoryError` in :func:`shutil.unpack_archive` which fails inside
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:func:`shutil._unpack_zipfile` on large files. Patch by Igor Bolshakov.
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..
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.. bpo: 41730
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.. date: 2020-09-10-07-23-24
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.. nonce: DyKFi9
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.. section: Library
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``DeprecationWarning`` is now raised when importing :mod:`tkinter.tix`,
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which has been deprecated in documentation since Python 3.6.
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..
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.. bpo: 42392
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.. date: 2021-05-26-11-16-33
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.. nonce: oxRx6E
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.. section: Documentation
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Document the deprecation and removal of the ``loop`` parameter for many
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functions and classes in :mod:`asyncio`.
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..
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.. bpo: 44195
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.. date: 2021-05-23-09-11-28
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.. nonce: 1bqkOs
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.. section: Documentation
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Corrected references to ``TraversableResources`` in docs. There is no
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``TraversableReader``.
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..
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.. bpo: 41963
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.. date: 2021-05-17-20-03-47
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.. nonce: eUz9_o
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.. section: Documentation
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Document that ``ConfigParser`` strips off comments when reading
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configuration files.
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..
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.. bpo: 44072
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.. date: 2021-05-08-09-48-05
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.. nonce: fb2x5I
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.. section: Documentation
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Correct where in the numeric ABC hierarchy ``**`` support is added, i.e., in
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numbers.Complex, not numbers.Integral.
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..
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.. bpo: 43558
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.. date: 2021-05-07-12-27-09
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.. nonce: UGhA8R
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.. section: Documentation
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Add the remark to :mod:`dataclasses` documentation that the :meth:`__init__`
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of any base class has to be called in :meth:`__post_init__`, along with a
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code example.
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..
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.. bpo: 44025
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.. date: 2021-05-03-22-08-08
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.. nonce: gcB7iP
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.. section: Documentation
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Clarify when '_' in match statements is a keyword, and when not.
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..
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.. bpo: 31904
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.. date: 2021-05-07-15-46-04
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.. nonce: 8dk3la
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.. section: Tests
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Ignore error string case in test_py_compile ``test_file_not_exists()``.
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..
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.. bpo: 42083
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.. date: 2021-05-04-18-10-57
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.. nonce: EMS2TK
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.. section: Tests
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Add test to check that ``PyStructSequence_NewType`` accepts a
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``PyStructSequence_Desc`` with ``doc`` field set to ``NULL``.
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..
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.. bpo: 35753
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.. date: 2020-10-25-19-20-26
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.. nonce: 2LT-hO
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.. section: Tests
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Fix crash in doctest when doctest parses modules that include unwrappable
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functions by skipping those functions.
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..
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.. bpo: 41282
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.. date: 2021-05-24-03-31-17
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.. nonce: L8nP44
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.. section: Build
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Fix broken ``make install`` that caused standard library extension modules
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to be unnecessarily and incorrectly rebuilt during the install phase of
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cpython.
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..
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.. bpo: 42686
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.. date: 2021-01-01-21-21-03
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.. nonce: G_f-TC
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.. section: Windows
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Build :mod:`sqlite3` with math functions enabled. Patch by Erlend E.
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Aasland.
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..
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.. bpo: 43109
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.. date: 2021-05-24-21-15-41
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.. nonce: npKJ9c
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.. section: macOS
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Allow --with-lto configure option to work with Apple-supplied Xcode or
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Command Line Tools.
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..
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.. bpo: 41611
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.. date: 2021-05-27-18-22-46
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.. nonce: jOKpfc
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.. section: IDLE
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Avoid uncaught exceptions in ``AutoCompleteWindow.winconfig_event()``.
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..
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.. bpo: 41611
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.. date: 2021-05-27-13-39-43
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.. nonce: liNQqj
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.. section: IDLE
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Fix IDLE sometimes freezing upon tab-completion on macOS.
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..
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.. bpo: 44010
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.. date: 2021-05-09-09-02-09
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.. nonce: TaLe9x
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.. section: IDLE
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Highlight the new :ref:`match <match>` statement's :ref:`soft keywords
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<soft-keywords>`: :keyword:`match`, :keyword:`case <match>`, and :keyword:`_
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<wildcard-patterns>`. However, this highlighting is not perfect and will be
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incorrect in some rare cases, including some ``_``-s in ``case`` patterns.
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..
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.. bpo: 44026
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.. date: 2021-05-05-09-45-24
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.. nonce: m2Z0zR
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.. section: IDLE
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Include interpreter's typo fix suggestions in message line for NameErrors
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and AttributeErrors. Patch by E. Paine.
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..
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.. bpo: 44074
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.. date: 2021-05-08-13-57-00
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.. nonce: F09kCK
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.. section: Tools/Demos
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Make patchcheck automatically detect the correct base branch name
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(previously it was hardcoded to 'master')
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..
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.. bpo: 43795
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.. date: 2021-05-19-15-09-47
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.. nonce: WAHRxt
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.. section: C API
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The undocumented function :c:func:`Py_FrozenMain` is removed from the
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Limited API.
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..
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.. bpo: 43795
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.. date: 2021-05-05-19-04-50
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.. nonce: 9Ojj73
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.. section: C API
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:c:func:`PyCodec_Unregister` is now properly exported as a function in the
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Windows Stable ABI DLL.
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