[Bf-committers] VFX reference platform 2022 draft

Bastien Montagne montagne29 at wanadoo.fr
Tue May 18 16:14:21 CEST 2021


The only info regarding versions availability we have is that sentence:

> A change in policy to only allow released versions to be included in 
> each year's VFX Reference Platform

This is fairly vague and unclear, since it does not specify any limit 

I asked about why they still stick to a fairly old python version on the 
discussion thread Brecht linked (message is pending approval currently), 
we'll see if we get an answer.

I would indeed much rather use a version of python that is actively 
maintained during the whole year the VFX recommendations apply. And 
python has a history track now of being reliable on their release dates, 
so I do think VFX could be a bit less conservative on this tool (and go 
back to an older version in October/November in the very unlikely case 
that python would be unable to release 3.10 on time).

That being said, sticking to 3.9 for 2022 is not as bad as what they did 
for 2021, so I would not be too annoyed if that was the case either.


On 5/18/21 2:50 PM, Ray Molenkamp via Bf-committers wrote:
> imho 3.9 is the only version they could have picked, the
> proposed release date for 3.10 is 2021-10-04 [1]. While
> the VFX platform aims to finalize in august [2]. I was
> rather vocal last year for them putting versions on that
> had not been released yet (some of which got delayed well
> into 2021) I'm happy to see for 2022 a more conservative
> stance has been taken.
> With bugfix support for 3.9 ending on 2022-05-02 [3] that
> does put them in an odd situation, they'll either have
> to recommend a version that may not be released on time,
> or recommend a version that will not see bug fixes for most
> of the year. There seemingly is no winning solution here
> since the problem appears to be the somewhat short
> support window for python releases.
> As much as I picked on them last year for making very
> strange recommendations, I feel they struck a good balance
> for 2022.
> --Ray
> [1] https://www.python.org/dev/peps/pep-0619/
> [2] https://vfxplatform.com/about/
> [3] https://www.python.org/dev/peps/pep-0596/
> On 2021-05-18 2:47 a.m., Sybren A. Stüvel via Bf-committers wrote:
>> Hello,
>> On Mon, 17 May 2021 at 19:54, Brecht Van Lommel via Bf-committers <
>> bf-committers at blender.org> wrote:
>>> There is a draft for the next VFX reference platform up now. Since we had
>>> some issues with the last one, it would be good to give feedback if
>>> necessary.
>> Good call.
>>> Python was upgraded to 3.9, which will still trail behind 3.10 that will be
>>> released this year. So the question about diverging or not will remain.
>> My preference would be to, for non-LTS releases at least, stick to versions
>> of Python that still receive bugfixes. In the past we've had crashes of
>> Blender that were due to a bug in Python. The only way to solve that was to
>> upgrade Python itself. This in itself is rare, but I don't remember having
>> such issues at all until we stuck to the old py3.7 to adhere to the VFX
>> Platform.
>> Is there anything known about the policy of the VFX Platform when it comes
>> to picking which Python version to stick to? Is it always going to be
>> "whatever version was released a year earlier"? Or is there still an
>> acceleration happening after sticking to py2.7 so long, and will they
>> eventually be targeting the latest versions? If it's the latter I'd be fine
>> with following the VFX Platform and sticking to py3.9 for a while longer.
>> If sticking to the platform means that for a significant amount of time
>> we'll be on versions of Python that don't receive bugfixes any more, I'm
>> less positive.
>> Sybren
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