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authorNed Deily <nad@python.org>2020-11-23 04:43:04 (GMT)
committerGitHub <noreply@github.com>2020-11-23 04:43:04 (GMT)
commit5aa6c99da1087ded0ccb99bb12591e5ab31d75c3 (patch)
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bpo-41100: Update Whatsnew and installer ReadME for 3.9.1 (GH-23472)
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-rw-r--r--Doc/whatsnew/3.9.rst16
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diff --git a/Doc/whatsnew/3.9.rst b/Doc/whatsnew/3.9.rst
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@@ -1482,4 +1482,18 @@ and to match the behavior of static type checkers specified in the PEP.
File "<stdin>", line 1, in <module>
TypeError: unhashable type: 'set'
-(Contributed by Yurii Karabas in :issue:`42345`.) \ No newline at end of file
+(Contributed by Yurii Karabas in :issue:`42345`.)
+
+macOS 11.0 (Big Sur) and Apple Silicon Mac support
+--------------------------------------------------
+
+As of 3.9.1, Python now fully supports building and running on macOS 11.0
+(Big Sur) and on Apple Silicon Macs (based on the ``ARM64`` architecture).
+A new universal build variant, ``universal2``, is now available to natively
+support both ``ARM64`` and ``Intel 64`` in one set of executables. Binaries
+can also now be built on current versions of macOS to be deployed on a range
+of older macOS versions (tested to 10.9) while making some newer OS
+functions and options conditionally available based on the operating system
+version in use at runtime ("weaklinking").
+
+(Contributed by Ronald Oussoren and Lawrence D'Anna in :issue:`41100`.)