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{\rtf1\ansi\ansicpg1252\cocoartf2513
\cocoatextscaling0\cocoaplatform0{\fonttbl\f0\fswiss\fcharset0 Helvetica;\f1\fswiss\fcharset0 Helvetica-Bold;\f2\fswiss\fcharset0 Helvetica-Oblique;
\f3\fmodern\fcharset0 CourierNewPSMT;}
{\colortbl;\red255\green255\blue255;}
{\*\expandedcolortbl;;}
\margl1440\margr1440\vieww13380\viewh14580\viewkind0
\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
\f0\fs24 \cf0 This package will install Python $FULL_VERSION for macOS $MACOSX_DEPLOYMENT_TARGET for the following architecture(s): $ARCHITECTURES.\
\
\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\partightenfactor0
\f1\b \cf0 NOTE:
\f0\b0 This is an alpha test preview of Python 3.10.0, the next feature release of Python 3. It is not intended for production use.\
\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
\cf0 \
\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
\f1\b \cf0 \ul \ulc0 Certificate verification and OpenSSL\
\f0\b0 \ulnone \
This package includes its own private copy of OpenSSL 1.1.1. The trust certificates in system and user keychains managed by the
\f2\i Keychain Access
\f0\i0 application and the
\f2\i security
\f0\i0 command line utility are not used as defaults by the Python
\f3 ssl
\f0 module. A sample command script is included in
\f3 /Applications/Python 3.9
\f0 to install a curated bundle of default root certificates from the third-party
\f3 certifi
\f0 package ({\field{\*\fldinst{HYPERLINK "https://pypi.org/project/certifi/"}}{\fldrslt https://pypi.org/project/certifi/}}). Double-click on
\f3 Install Certificates
\f0 to run it.\
\
The bundled
\f3 pip
\f0 has its own default certificate store for verifying download connections.\
\
\f1\b \ul Using IDLE or other Tk applications
\f0\b0 \ulnone \
\
This package includes its own private version of Tcl/Tk 8.6. It does not use any system-supplied or third-party supplied versions of Tcl/Tk.\
\
Due to new security checks on macOS 10.15 Catalina, when launching IDLE macOS may open a window with a message
\f1\b "Python" would like to access files in your Documents folder
\f0\b0 . This is normal as IDLE uses your
\f1\b Documents
\f0\b0 folder as its default when opening and saving files; you can still choose other locations in the
\f1\b Open
\f0\b0 and
\f1\b Save
\f0\b0 file dialog windows. Click on the
\f1\b OK
\f0\b0 button to proceed.\
\
\f1\b \ul macOS 11.0 (Big Sur) and Apple Silicon Mac support [new in 3.10.0a3]\
\f0\b0 \ulnone \
As of 2020-11, macOS 11.0 (Big Sur) is the latest release of macOS and one of its major features is the support of new Apple Silicon Macs that are based on the ARM64 CPU architecture specification rather than the Intel 64 (x86_64) architecture used previously. There are other changes in Big Sur that affect Python operation regardless of CPU architecture.\
\
Beginning with 3.10.0a3, we provide a new "universal2" installer variant that provides universal binaries for both ARM64 and Intel 64 architectures and is also supported on all Macs that support macOS 10.9 or later. Some of the advantages of the new installer variant: native ARM64 code on Apple Silicon Macs should run significantly faster than Rosetta2-emulated code; some operating system functions and options introduced in macOS releases since 10.9 are now exposed when available (primarily in the os module); the new installer variant includes Tcl/Tk 8.6.10 rather than 8.6.8.\
\f1\b \ul \
Other changes\
\f0\b0 \ulnone \
For other changes in this release, see the
\f2\i What's new
\f0\i0 section in the {\field{\*\fldinst{HYPERLINK "https://www.python.org/doc/"}}{\fldrslt Documentation Set}} for this release and its
\f2\i Release Notes
\f0\i0 link at {\field{\*\fldinst{HYPERLINK "https://www.python.org/downloads/"}}{\fldrslt https://www.python.org/downloads/}}.\
}
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