In a Q&A, Python programming language creator Guido van Rossum said it was "almost taboo to talk about a Python 4 in a serious sense" following the troubled migration from Python 2.0 to Python 3.0.

JetBrains delivers a new integrated development environment for Python, Django and Google App Engine developers, known as PyCharm 1.0.

While it’s in early stages, Cython 3.1 adds powerful new type annotation features, and it includes compatibility with the free-threaded or “no-GIL” build of Python.