That’s why they said “closer”
replyJust wait until someone relies on that bug too.
replyRust considers fix to unsoundness bug, a change that can be done at any SemVer revision (i.e. a patch version bump can break it).
replyIf your spacebar heater relies on such behaviour Rust can and will break it. If you're in the crater group you'll be notified and urged to upgrade it.