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[3.8] Add note to Mac installer ReadMe about macOS 10.15 Gatekeeper changes. #18647

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Feb 24, 2020
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[3.8] Add note to Mac installer ReadMe about macOS 10.15 Gatekeeper changes. #18647

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16 changes: 10 additions & 6 deletions Mac/BuildScript/resources/ReadMe.rtf
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
{\rtf1\ansi\ansicpg1252\cocoartf1671\cocoasubrtf600
{\fonttbl\f0\fswiss\fcharset0 Helvetica;\f1\fswiss\fcharset0 Helvetica-Bold;\f2\fswiss\fcharset0 Helvetica-Oblique;
{\rtf1\ansi\ansicpg1252\cocoartf2511
\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;;}
Expand Down Expand Up @@ -36,8 +36,7 @@ The bundled
\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.\
\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
\cf0 \
\
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
Expand All @@ -49,9 +48,14 @@ Due to new security checks on macOS 10.15 Catalina, when launching IDLE macOS ma
\f0\b0 file dialog windows. Click on the
\f1\b OK
\f0\b0 button to proceed.\
\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0

\f1\b \cf0 \ul \ulc0 \
\f1\b \ul \
macOS 10.15 (Catalina) Gatekeeper Requirements [changed in 3.8.2]\

\f0\b0 \ulnone \
As of 2020-02-03, Apple has changed how third-party installer packages, like those provided by python.org, are notarized for verification by Gatekeeper and begun enforcing additional requirements such as code signing and use of the hardened runtime. As of 3.8.2, python.org installer packages now meet those additional notarization requirements. The necessary changes in packaging should be transparent to your use of Python but, in the unlikely event that you encounter changes in behavior between 3.8.1 and 3.8.2 in areas like ctypes, importlib, or mmap, please check bugs.python.org for existing reports and, if necessary, open a new issue.\

\f1\b \ul \
Other changes\

\f0\b0 \ulnone \
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