So from a compat viewpoint we just need: - the existing *setting* on bm nodes to keep working for H - use of that setting to log a deprecation warning - a new thing, whatever it is, to also work during H
Then for I the existing setting can be removed.
So from a compat viewpoint we just need:
- the existing *setting* on bm nodes to keep working for H
- use of that setting to log a deprecation warning
- a new thing, whatever it is, to also work during H
Then for I the existing setting can be removed.