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.Many large and small performance improvements (like PEP 709).More exceptions potentially caused by typos now make suggestions to the user. More flexible f-string parsing, allowing many things previously disallowed ( PEP 701).New type annotation syntax for generic classes ( PEP 695).

Some of the new major new features and changes in Python 3.12 are:

Major new features of the 3.12 series, compared to 3.11 Please keep in mind that this is a preview release and its use is not recommended for production environments. To achieve that, it will be extremely important to get as much exposure for 3.12 as possible during the beta phase. Our goal is to have no ABI changes after beta 4 and as few code changes as possible after 3.12.0rc1, the first release candidate. While the release is planned to be feature complete entering the beta phase, it is possible that features may be modified or, in rare cases, deleted up until the start of the release candidate phase (Monday, ). We strongly encourage maintainers of third-party Python projects to test with 3.12 during the beta phase and report issues found to [the Python bug tracker () as soon as possible. This release, 3.12.0b2 is the second of four beta release previews of 3.12.īeta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to support the new feature release. Release Date: JThis is a beta preview of Python 3.12

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