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.
LWN.net

Explicit lazy imports for Python

Importing modules in Python is ubiquitous; most Python programs start with at least a few import statements. But the performance impact of those imports can be large—and may be entirely wasted effort ...
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 ...

Python 3.15 erschienen: Faule Importe, UTF-8 und neue Datentypen

Python 3.15 soll manche Programme schneller starten lassen und vereinfacht den Umgang mit unveränderlichen Daten. UTF-8 als ...

Python 3.15 で消えた標準ライブラリの API を、ご自身のコードから AST で洗い出す――公開名の差分 502 件と、ruff・pyupgrade・vermin との ...

Python 3.15.0 が 2026 年 10 月 9 日にリリースされました。公式の「What's New in Python 3.15」の Removed ...