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.

The final source-only security fix release for 3.7 was 3.7.17.Īmong the major new features in Python 3.7 are: See the downloads page for currently supported versions of Python. Note: The release you are looking at is a bugfix release for the legacy 3.7 series which has now reached end-of-life and is no longer supported.

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