The next pre-release of Python 3.12 will be 3.12.0a3, currently scheduled for.

(Hey, fellow core developer, if a feature you find important is missing from this list, let Thomas know.)įor more details on the changes to Python 3.12, see What's new in Python 3.12.A number of other old, broken and deprecated functions, classes and methods have been removed.The setuptools package (installed by default in virtualenvs and many other places) continues to provide the distutils module. The deprecated smtpd and distutils modules have been removed (see PEP 594 and PEP 632.(They had been deprecated since Python 3.1 or 3.2). In the unittest module, a number of long deprecated methods and classes were removed.The deprecated wstr and wstr_length members of the C implementation of unicode objects were removed, per PEP 623.Support for the Linux perf profiler to report Python function names in traces.More exceptions potentially caused by typos now make suggestions to the user. Among the new major new features and changes so far: Many new features for Python 3.12 are still being planned and written. Please keep in mind that this is a preview release and its use is not recommended for production This release, 3.12.0a2 is the second of seven planned alpha releases.Īlpha releases are intended to make it easier to test the current state of new features and bug fixes and to test the release process.ĭuring the alpha phase, features may be added up until the start of the beta phase () and, if necessary, may be modified or deleted up until the release candidate phase (). Major new features of the 3.12 series, compared to 3.11 This is an early developer preview of Python 3.12.

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