Please carefully read the Important Information displayed during installation for information about SSL/TLS certificate validation and the Install mand. Both installer variants include private copies of OpenSSL 1.1.0.Both variants come with batteries-included versions of Tcl/Tk 8.6 for users of IDLE and other tkinter-based GUI applications third-party and system versions of Tcl/Tk are no longer used. Use the 10.9 64-bit-only installer variant unless you are building Python applications that also need to work on older macOS systems. We also continue to provide a 64-bit/32-bit variant that works on all versions of macOS from 10.6 (Snow Leopard) on. The default variant is 64-bit-only and works on macOS 10.9 (Mavericks) and later systems.
For Python 3.7 releases, we provide two binary installer options for download.Please see What’s New In Python 3.7 for more information. Notable performance improvements in many areas.The insertion-order preservation nature of dict objects is now an official part of the Python language spec.Avoiding the use of ASCII as a default text encoding ( PEP 538, legacy C locale coercion.PEP 565, Improved DeprecationWarning handling.PEP 564, Time functions with nanosecond resolution.PEP 563, Postponed evaluation of annotations.PEP 562, Customization of access to module attributes.PEP 560, Core support for typing module and generic types.New documentation translations: Japanese,.PEP 545, Python documentation translations.PEP 539, new C API for thread-local storage.We plan to continue to provide bugfix releasesįor 3.7.x until mid 2020 and security fixes until mid 2023.Īmong the major new features in Python 3.7 are: Get the latest releases of 3.7.x and 3.8.x here. There are now newer bugfix releases of Python 3.7 that supersede 3.7.3 and Python 3.8 is now the latest feature release of Python 3.
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