Still working on it :) Specifically the grammar changes in cpython, though I haven't found much time to work on it recently. Tune into the tensor typing meeting on Monday for a more detailed update.

On Thu, 8 Jul 2021 at 19:49, Filipe Laíns <lains@archlinux.org> wrote:
On Sat, 2021-03-20 at 14:08 +0000, Matthew Rahtz via Python-Dev wrote:
> Hi everyone,
> We've got to the stage now with PEP 646 that we're feeling pretty happy with
> it. So far though we've mainly been workshopping it in typing-sig, so as PEP 1
> requires we're asking for some feedback here too before submitting it to the
> steering council.
>
> If you have time over the next couple of weeks, please take a look at the
> current draft and let us know your
> thoughts: https://www.python.org/dev/peps/pep-0646/ (Note that the final
> couple of sections are out of date; https://github.com/python/peps/pull/1880
> clarifies which grammar changes would be required, now that PEP 637 has been
> rejected. We also have a second PR in progress at
> https://github.com/python/peps/pull/1881 clarifying some of the motivation.)
>
> Thanks!
> Matthew and Pradeep

Hey,

Any updates on this? I am very excited about this PEP :)

Cheers,
Filipe Laíns