> modulo any security issues I'm not sure there are any security issues associated with using an older edition. I think when soundness holes and other things l

> modulo any security issues I'm not sure there are any security issues associated with using an older edition. I think when soundness holes and other things like that are fixed, they're usually fixed across all editions. Sometimes that's technically a backwards-incompatible change/fix, but Rust's back compat policy considers that acceptable if the breakage isn't widespread.