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Newest Python PEPs	2026年01月18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 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, more type-safe structure that 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 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 ...

PEP 814: Add frozendict built-in type
A new public immutable type frozendict is added to the builtins module.

PEP 816: WASI Support
This PEP outlines the expected support for WASI by CPython. It contains enough details to know what WASI and WASI SDK version is expected to be supported for any release of CPython while official WASI...