[Numpy-discussion] Unsupporting python3.5

Charles R Harris charlesr.harris at gmail.com
Thu Oct 10 22:17:37 EDT 2019

On Thu, Oct 10, 2019 at 6:02 PM Stefan van der Walt <stefanv at berkeley.edu>

> On Thu, Oct 10, 2019, at 09:34, Charles R Harris wrote:
> I think we can support 3.5 as long as we please, the question is how long
> we *want* to support it. I don't plan to release 1.18 wheels for 3.5, but
> I'm concerned about making 1.18 outright incompatible with 3.5. I would
> like to see the random interface settle before we do that. So my preference
> would be to drop 3.5 in 1.19 with a future warning in the 1.18 release
> notes. Alternatively, we could backport all the random changes to 1.17, but
> I would rather not do that.
> The language in the NEP is:
> "we recommend that they support at least all minor versions of Python
> introduced and released in the prior 42 months"
> i.e., a lower bound for support, such that compatibility with more
> versions of Python is perfectly OK and, in the case of NumPy, probably
> encouraged.  The NEP is meant to lift the burden of very long support
> cycles from smaller projects.
> Stéfan
The 1.18.0rc1 is about one month out, so we should spend some effort on
those PRs and issues with the 1.18 milestone. Dealing with issues and
milestones, plus putting together the release notes, is the major pain
point in making releases these days.

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