I haven't fully confirmed this but my understanding is the proposal forks the ABI into two versions. which IIUC means any package with native extensions needs

I haven't fully confirmed this but my understanding is the proposal forks the ABI into two versions. which IIUC means any package with native extensions needs to release 2x as many wheel files (not to mention if I need to have two versions of the interpreter installed to build them, not sure though). seems like a mess