[Numpy-discussion] NumPy EOL Versions?

[Ralf Gommers]

On Wed, Jan 13, 2021 at 6:50 PM Charles R Harris <charlesr.harris at gmail.com>
wrote:

>
>
> On Wed, Jan 13, 2021 at 10:47 AM Charles R Harris <
> charlesr.harris at gmail.com> wrote:
>
>>
>>
>> On Wed, Jan 13, 2021 at 9:04 AM Ralf Gommers <ralf.gommers at gmail.com>
>> wrote:
>>
>>>
>>>
>>> On Wed, Jan 13, 2021 at 4:41 PM Matti Picus <matti.picus at gmail.com>
>>> wrote:
>>>
>>>> This message ended up in my spam box for some reason, sorry for the
>>>> late
>>>> reply.
>>>>
>>>>
>>>> We typically release a new version twice a year, and support two
>>>> versions at a time. So right now we are releasing version 1.20 and will
>>>> support 1.19 and 1.20 for the next period. When 1.21 is released, we
>>>> will support 1.20 and 1.21. Support for the released version is limited
>>>> to bug fixes.
>>>>
>>>
>>> Is this two-version thing actually something we're committed to doing?
>>> Chuck started doing it at some point, which as release manager is his
>>> decision - but I don't think we ever really decided or announced this as a
>>> policy.
>>>
>>> If we're committed to it, we should probably mention it somewhere in the
>>> docs or release how-to. And I should go update our Tidelift data.
>>>
>>> Cheers,
>>> Ralf
>>>
>>> We only support *one* version at a time. Supporting two is hard,
>> backports become difficult. The only time we have supported two was the
>> 1.16.x LTS release. At the moment things are a bit different because we are
>> waiting on pyarrow before releasing 1.20.0, it is a temporary measure.
>>
>> The binannual release cycle is because 300-500 merges per release felt
>> about right. If the merge rate goes way up and stays there we may release
>> more often. But that is unlikely unless we get a lot more support.
>>
>
Thanks for clarifying Chuck, that all makes perfect sense.

Cheers,
Ralf
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