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Newest Python PEPs

Get the latest updates from Newest Python PEPs directly as they happen.

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Latest posts

Last updated 9 days ago

PEP 790: Python 3.15 Release Schedule

13 days ago

This document describes the development and release schedule for Python 3.15.

PEP 788: Reimagining native threads

16 days ago

PyGILState_Ensure(), PyGILState_Release(), and other related functions in the PyGILState family are the...

PEP 787: Safer subprocess usage using t-strings

26 days ago

PEP 750 introduced template strings (t-strings) as a generalization of f-strings, providing...

PEP 785: New methods for easier handling of ``ExceptionGroup``\ s

about 1 month ago

As PEP 654 ExceptionGroup has come into widespread use across the Python...

PEP 784: Adding Zstandard to the standard library

about 1 month ago

Zstandard is a widely adopted, mature, and highly efficient compression standard. This...

PEP 783: Emscripten Packaging

about 1 month ago

This PEP proposes a new platform tag series pyodide for binary Python...

PEP 782: Add PyBytesWriter C API

about 1 month ago

Add a new PyBytesWriter C API to create bytes objects.

PEP 781: Make ``TYPE_CHECKING`` a built-in constant

about 2 months ago

This PEP proposes adding a new built-in variable, TYPE_CHECKING, to improve the...

PEP 780: ABI features as environment markers

about 2 months ago

This PEP defines using ABI features as environment markers for project dependencies...

PEP 776: Emscripten Support

about 2 months ago

Emscripten is a complete open source compiler toolchain. It compiles C/C++ code...

PEP 775: Make zlib required to build CPython

2 months ago

Building CPython without the zlib compression library will no be longer supported...

PEP 779: Criteria for supported status for free-threaded Python

3 months ago

The acceptance of PEP 703 (Making the Global Interpreter Lock Optional in...