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bpo-37207: Update whatsnews for 3.9 (GH-21337)

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Dong-hee Na 2020-07-06 20:22:04 +09:00 committed by GitHub
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@ -685,6 +685,10 @@ in nanoseconds. The benchmarks were measured on an
running the macOS 64-bit builds found at
`python.org <https://www.python.org/downloads/mac-osx/>`_.
* A number of Python builtins (:class:`range`, :class:`tuple`, :class:`set`, :class:`frozenset`, :class:`list`, :class:`dict`)
are now sped up by using :pep:`590` vectorcall protocol.
(Contributed by Dong-hee Na, Mark Shannon, Jeroen Demeyer and Petr Viktorin in :issue:`37207`.)
Deprecated
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