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    Python 3.11.0 was officially released on October 24, 2022. This release marks a significant update to the Python programming language, introducing numerous new features and optimizations.

    Key Features and Changes in Python 3.11

    General Changes

    • PEP 657: Includes fine-grained error locations in tracebacks.

    • PEP 654: Introduces exception groups and the except* syntax.

    • PEP 680: Adds support for parsing TOML in the standard library.

    • gh-90908: Introduces task groups to asyncio.

    • gh-34627: Adds support for atomic grouping and possessive quantifiers in regular expressions.

    Performance Improvements

    The Faster CPython Project has made Python 3.11 up to 10-60% faster than Python 3.10. On average, a 1.22x speedup was measured on the standard benchmark suite.

    Typing and Language Changes

    • PEP 673: Introduces the Self type.

    • PEP 646: Adds variadic generics.

    • PEP 675: Introduces arbitrary literal string types.

    • PEP 655: Allows marking individual TypedDict items as required or potentially missing.

    • PEP 681: Adds data class transforms.

    Python 3.11.0 is a major release that brings substantial improvements and new features, making it a significant update for Python developers. For more details, you can refer to the official release page.

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    When will Python 311 be released?
    Some time after the release of 3.12.0 final, the ninth and final 3.11 bugfix update will be released. After that, it is expected that security updates (source only) will be released until 5 years after the release of 3.11.0 final, so until approximately October 2027. Some of the notable features of Python 3.11 include:
    peps.python.org
    Download Python | Python.org
    Python.org
    Python Release Python 3.11.1 | Python.org
    Python.org
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