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Newest Python PEPs	2026年07月25日 03時43分
Newest Python Enhancement Proposals (PEPs): Information on new language features and some meta-information like release procedure and schedules.

PEP 840: Name Resolution in Class Namespaces
There is a long-standing inconsistency in the way variable names are resolved in classes. Several alternatives to resolve this inconsistency are discussed.

PEP 838: Adding python-version to pyvenv.cfg
This PEP proposes adding a python-version field to pyvenv.cfg which records the Python interpreter used by a virtual environment. It records only the major and minor version to be resilient to patch v...

PEP 837: Extensible JSON serialization
This PEP adds an extension mechanism to the json encoder consisting of three complementary parts, one per level of customization:

PEP 836: JIT Go Brrr: The Path to a Supported JIT Compiler for CPython
The experimental Just-in-Time (JIT) compiler has been part of CPython’s main branch since Python 3.13. PEP 744 described part of its initial design and explicitly deferred a number of questions about...

PEP 835: Shorthand syntax for Annotated type metadata
This PEP proposes overloading the @ operator on types to allow writing Annotated[T, M] as T @M.

PEP 833: Freezing the HTML simple repository API
This PEP proposes freezing the standard HTML representation of the simple repository API, as originally specified in PEP 503 and updated over subsequent PEPs.