On Sat, 9 Mar 2024 at 10:16, Ralf Gommers <ralf.gomm...@gmail.com> wrote:
>
> On Sat, Mar 9, 2024 at 2:03 AM Oscar Benjamin <oscar.j.benja...@gmail.com> 
> wrote:
>>
>> On Sat, 9 Mar 2024 at 00:44, Charles R Harris <charlesr.har...@gmail.com> 
>> wrote:
>> >
>> > About a month from now.
>>
>> What will happen about a month from now? It might seem obvious to you
>> but I can interpret this in different ways.
>>
>> To be clear numpy 2.0 is expected to be released in full to the public
>> in about one month's time from today?
>
> Let me give the optimistic and pessimistic timelines. Optimistic:
>
> - 2.0.0b1 later today
> - 2.0.0rc1 (ABI stable) in 7-10 days
> - 2.0.0 final release in 1 month
>
> Pessimistic:
>
> - 2.0.0b1 within a few days
> - 2.0.0rc1 (ABI stable) in 2 weeks
> - 2.0.0rc2 in 4 weeks
> - 2.0.0rc3 in 6 weeks
> - 2.0.0 final release in 8 weeks

Thanks Ralf and Chuck. Sorry, I meant to reply to this earlier but got
distracted with other things.

We are now 16 days into the future so NumPy 2.0 would be 2 weeks time
for the optimistic timescale.

I assume that now the beta release is out the intention is no further
breaking changes. Then if SymPy master is currently compatible with
NumPy 2.0.0b1 a good time for a SymPy release with accumulated fixes
is... ASAP!

Presumably now that NumPy 2.0 is branched downstream projects should
test in CI against the prereleases (pip install --pre numpy) rather
than the nightly wheels. (SymPy does not usually test against the
nightly wheels. I added that for NumPy 2.0 but maybe we should keep
it...)

--
Oscar
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