On Sun, May 6, 2018 at 7:35 PM Nick Coghlan <ncoghlan@gmail.com> wrote:

I'm inclined to agree that a Python 3.8 PEP in the spirit of the PEP 3003 language moratorium could be a very good idea. Between matrix multiplication, enhanced tuple unpacking, native coroutines, f-strings, and type hinting for variable assignments, we've had quite a bit of syntactic churn in the past few releases, and the rest of the ecosystem really hasn't caught up on it all yet (and that's not just other implementations - it's training material, online courses, etc, etc).

If we're going to take such a step, now's also the time to do it, since 3.8 feature development is only just getting under way, and if we did decide to repeat the language moratorium, we could co-announce it with the Python 3.7 release.

Would it be reasonable to request a 10 year moratorium on making changes to the core Python language,

and for the next 10 years only focus on things that do not require core language changes,

such as improving/bugfixing existing libraries, writing new libraries, improving tooling, improving infrastructure (PyPI),
improving performance, etc., etc.?

There are still many companies still stuck on Python 2, so giving 10 years of breathing room

for these companies to catch up to Python 3 core language, even past 2020 would be very helpful.

--

Craig

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