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Newest Python PEPs	2026年10月21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 850: Wheel Variants: Providers
This PEP extends PEP 825 by defining how variant properties are governed and how their compatibility is determined. This is done either via static feature and feature value compatibility lists specifi...

PEP 849: More Expressive Type Expressions
Currently, the Python interpreter allows any expression to be used as an annotation. But their most popular usage, type annotations, are restricted to only a small subset of possible expressions. This...

PEP 824: None-coalescing operators
This PEP proposes adding two new operators.

PEP 823: None-aware access operators
This PEP proposes adding two new operators.

PEP 848: Generational Incremental Garbage Collection
This PEP proposes adding a new cyclic garbage collector to CPython. The new collector will be both generational and incremental. Collections will alternate: a young collection, then an (incremental) o...

PEP 846: Docstrings for Type Aliases
This PEP proposes preserving a string literal immediately following a type statement as the resulting type alias object’s __doc__ attribute, exposing that documentation through ast, and displaying it...

PEP 845: Leading-Dot Value Patterns
This PEP enables the use of non-attribute names as value patterns in match statements. A name prefixed with a dot is looked up using the normal name resolution rules and compared to the match subject ...