I agree with most of this.
> I also consider Cython 3.1 a prime target for better Limited API
support.
Yes - but I wouldn't treat complete support as a blocker (I don't think
this is what you meant though).
There's a separate question about what we consider the minimum viable
Limited API version we want to support. I imagine that'll ultimately be
decided by "what we can make work", but I don't think it'll be less that
3.4 (when PyType_GetSlot) was added. It's probably something to decide
later.
David
On 05/11/2023 22:06, Stefan Behnel wrote:
Hi all,
it looks like Cython 3.0.6 is going to be a "most things fixed" kind
of release for the 3.0.x release series. Given the work that lies
ahead of us for Cython 3.1, I think we're at a point to get started on
that, making the future 3.0.x releases stable and "boring".
As a reminder, Cython 3.1 will remove support for Python 2.7 and
Python 3.[567], i.e. all Python versions that are now EOL. Python 3.8
will continue to receive security fixes for another year. Python 3.7
is EOL but still up for debate since it's probably not hard to support
and still maintained in some Linux distributions for another couple of
years. But I'm fine with considering it legacy. We'll probably notice
if it gets in the way while preparing Cython 3.0, and can leave
support in until there's a reason to remove it.
https://github.com/cython/cython/issues/2800
I'd like to ease our feature development by using more modern Python
features in our code base and by targeting less Python versions in
Cython 3.1 compared to the "all things supported" Cython 3.0.
I also consider Cython 3.1 a prime target for better Limited API
support. Users probably won't care both for that and for outdated
Python versions at the same time. Or, they can use Cython 3.0.x for
continued legacy support.
Since Cython 3.1 is mostly about ripping out old code, we can try to
keep the development cycle short, so that new features don't have to
wait that long. Certainly not as long as for Cython 3.0…
Is everyone and everything ready to start working on Cython 3.1?
Stefan
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