Message 400899 - Python tracker
> On Sep 1, 2021, at 22:58, Ned Deily <report@bugs.python.org> wrote: > > I don't think we have ever claimed to support building on an older system with a newer SDK, as in building on 10.15 with an 11 SDK. My initial report was from a 10.15 Intel machine in GitHub Actions. My comment a few hours ago was from an 11.3 M1 cross-compiling to x86_64 and targeting 10.9 from a 11.X SDK.