[issue39599] ABI breakage between Python 3.7.4 and 3.7.5: change in PyGC_Head structure

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

> Understood; thanks. I agree that there shouldn't be a guarantee for private undocumented calls.

I concur. That's a good summary. We don't provide ABI stability for Julien's use case.

Julien: You cannot use the same wheel package for all Python 3.7.x versions: you need to either always compile at the installation, or ship a different wheel package per micro Python 3.7.x version.

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resolution:  -> not a bug
stage:  -> resolved
status: open -> closed

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