Python 3.14, named after a famous irrational constant, has arrived in preview. Plus new goodness in Cython 3.1, using Python’s structural pattern matching, querying the NanoCube, and more.

Python 3.14 引入的改进大多数都很细微，但这些小变化会让代码写起来更流畅，运行也更稳定。本文整理了 10 个实用的特性改进，每个都配了代码示例。 配置字典里的可选字段以前处理起来比较麻烦，现在有了明确的标注方式。 from typing import TypedDict, NotRequired ...

Official support for free-threaded Python, and free-threaded improvements Python’s free-threaded build promises true parallelism for threads in Python programs by removing the Global Interpreter Lock ...