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.
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 ...
InfoWorld

The best new features in Python 3.15

Highlights of Python 3.15 include lazy imports, faster JIT compilation, better error messages, and smarter profiling. The general release is now available. Python 3. ...

[IT News] Python 3.15.0 Officially Released: A Summary of Official Announcements on What Has Changed

This article is a summary of the official announcement. Verification date: 2026-10-10. Screens and conditions are subject to ...

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 ...