Changing the default x86-64 compilation target to v2 or v3 - Page 3 - compiler - Rust Internals
One option here is that cargo's release profile could default to a higher version than the target's baseline. That's admittedly easier said than done but it would solve the tension between "this is the absolute minimum we support" and "this is what 99% of people probably want".| Rust Internals
