Python 3.15 released: Lazy imports, UTF-8 and new data types

Python 3.15 is expected to speed up some programs and simplifies handling immutable data. UTF-8 as standard requires testing.

Identifying standard library APIs removed in Python 3.15 from your code using AST—502 public name differences and a comparison with ruff, pyupgrade, and ver…

Python 3.15.0 was released on October 9, 2026. The "Removed" section of the official "What's New in Python 3.15" document ...

Is Python 3.15 "1.45x Faster"? Decoding Benchmark Numbers #KomaPy

In benchmarks comparing Python 3.15 and Python 3.14, Python 3.15 was found to be approximately 1.45 times faster overall.
Windows Report on MSN

Microsoft Brings Native Python Support to Windows on Arm PCs

Python 3.15 brings native Arm64 support to Windows on Arm, with 94% package compatibility and new GitHub Actions runners.
Phoronix

Python 3.15 Released With Experimental JIT Compiler Running Faster

Python 3.15 is out today as the newest annual feature release for the Python programming language. Python's JIT compiler is ...
Linux Journal

Python 3.13.5 Patch Release Packed with Fixes & Stability Boosts

On June 11, 2025, the Python core team released Python 3.13.5, the fifth maintenance update to the 3.13 line. This release is not about flashy new language features, instead, it addresses some ...
BetaNews

Python 3.15 arrives with lazy imports, UTF-8 by default and a faster JIT

Python 3.15 is out with explicit lazy imports, UTF-8 as the default encoding, frozendict and sentinel types, the Tachyon ...

Rust in CPython: Python 3.16 to bring optional Rust backend for zlib

The roadmap was already presented by David Hewitt, maintainer of the Rust binding PyO3, in July at the Python Language Summit 2026, the annual meeting of the core developers. In extensions for Python, ...