Python: 4.0
: There should be one — and preferably only one — obvious way to do it. A rushed 4.0 would violate that. So it won't happen until the obvious way fundamentally changes.
The Python Steering Council and core developers (notably Guido van Rossum's successor regime) have explicitly stated that a 4.0 version is not on any roadmap. The last major version bump (2→3) was so traumatic that the community swore never to repeat it lightly. python 4.0
First, the most important fact: There is no planned Python 4.0 release date, nor an official feature list. : There should be one — and preferably
