Verified [work] - Python 313 Release Notes

movie: Movie = "title": "Inception", "year": 2010 movie["year"] = 2011 # OK movie["title"] = "Interstellar" # Type checker error (mypy/pyright with 3.13 support)

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Following the deprecation roadmap established in PEP 594, Python 3.13 officially purges legacy, unmaintained standard library modules to reduce the interpreter's footprint. What's New In Python 3.13 — Python 3.14.5 documentation python 313 release notes verified

introduces default values for type parameters. TypeVar , ParamSpec , and TypeVarTuple now accept a default argument, simplifying generic class definitions. This aligns the typing system with function parameters, where defaults have long been standard. This aligns the typing system with function parameters,

If you are looking to upgrade to this version, would you like to see a list of the to look out for, or perhaps a guide on how to test your code in free-threaded mode ? Python Release Python 3.13.13 This means:

Python 3.13 raises the minimum required OpenSSL version to . This means: