On Nov 28, 2019, at 07:50, Guido van Rossum <gu...@python.org> wrote: > > Everybody has long presumed we'd go with 3.10. Maybe we're not following > semver to the letter, but this part of it we follow -- 4.0 would mean a major > rewrite or incompatible change. > > For a long time I had hoped that Larry Hastings' Gilectomy project would > succeed, in which case that would be a logical candidate for 4.0, since it > requires a lot of incompatible C API changes. But Victor seems to have a > better plan for evolving the C API, and the Gilectomy doesn't seem to be > proceeding.
I’ve always expected that 4.0 would be reserved for such incompatible C API changes. I remember we had a similar discussion when 2.7.x was rolling over to x > 9. We didn’t bump it to 2.8 then, so I think we should just be prepared for Python 3.10 when the time comes. -Barry
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