Checking out CPython 3.14’s remote debugging protocol A hands-on session with one of Python 3.14’s less-sung but still powerful features: the ability to attach a debugger to a running Python program.

Python 3.13 introduced the first public, if experimental, “free-threaded” or “no-GIL” builds of the language, which we’ll call “3.13t.” 3.13t allows CPU-bound Python threads to run ...