Ruby 4.0.0正式发布，这是面向对象编程语言Ruby的最新版本。该更新引入了全新的即时编译器ZJIT和实验性的"Ruby Box"功能，用于进程内类和模块的隔离。Ruby Box为代码、库和补丁提供独立空间，支持测试隔离、蓝绿部署等场景。ZJIT作为YJIT的下一代编译器，性能优于解释器但尚未达到YJIT水平。此外，并行执行机制Ractor也得到改进。

Ruby and Ruby on Rails exploded onto the web development scene in the early aughts. But while JavaScript and Python rule the roost today, Ruby still has its place. If you’ve been around the world of ...