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Newest Python PEPs	2026年02月08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 821: Support for unpacking TypedDicts in Callable type hints
This PEP proposes allowing Unpack[TypedDict] in the parameter list inside Callable, enabling concise and type-safe ways to describe keyword-only callable signatures. Currently, Callable assumes positi...

PEP 822: Dedented Multiline String (d-string)
This PEP proposes to add a feature that automatically removes indentation from multiline string literals.

PEP 820: PySlot: Unified slot system for the C API
Replace type and module slots with a new structure: a tagged anonymous union with flags. This improves type safety and allows adding new slots in a more forward-compatible way.

PEP 819: JSON Package Metadata
This PEP proposes introducing JSON encoded core metadata and wheel file format metadata files in Python packages. Python package metadata (“core metadata”) was first defined in PEP 241 to use RFC 82...

PEP 817: Wheel Variants: Beyond Platform Tags
Python’s existing wheel packaging format uses packaging:specifications/platform-compatibility-tags to specify a given wheel’s supported environments. These tags are unable to express modern hardware...

PEP 815: Deprecate ``RECORD.jws`` and ``RECORD.p7s``
This PEP deprecates the RECORD.jws and RECORD.p7s wheel signature files. Lack of support in tooling means that these virtually unused files do not provide the security they purport. Users looking for ...